CLASS 110, FURNACES |
185 | WITH CONTROL MEANS RESPONSIVE TO A SENSED CONDITION: |
This subclass is indented under the class definition. Apparatus provided with detection means for sensing a particular
state, property, or characteristic or a change in the state, property,
or characteristic of the apparatus or combustion constituents or
combustion products used or produced by the apparatus and with a
mechanism, actuated by or responsive to the detection means, for
regulating the operation of the apparatus.
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186 | . Feed control: |
This subclass is indented under subclass 185. Apparatus wherein the mechanism is provided for regulating
the supply of combustion constituents to the apparatus.
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187 | .. Supplemental burner: |
This subclass is indented under subclass 186. Apparatus wherein means are provided for controlling the
addition of supplemental heat.
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188 | .. Of noncombustible fluid; e.g., air, etc: |
This subclass is indented under subclass 186. Apparatus wherein the constituent being supplied is air,
steam, or water.
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189 | ... Pressure sensor: |
This subclass is indented under subclass 188. Apparatus wherein the sensed state, property, or characteristic
is the force per unit area existing at a point within the combustion
chamber or in fluid lines connected thereto.
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190 | ... Temperature sensor: |
This subclass is indented under subclass 188. Apparatus wherein the sensed state, property, or characteristic
is sensible heat.
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191 | WITH PROGRAMMED OR CYCLIC CONTROL MEANS: |
This subclass is indented under the class definition. Apparatus provided with (a) means for storing coded instructions
or other data necessary to regulate the operation of the apparatus, or
(b) means repetitively regulating the sequence of operational steps
performed in or by the apparatus.
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192 | . Timer: |
This subclass is indented under subclass 191. Apparatus wherein means are provided to control any or all
of the operation(s) or operational step(s) of the apparatus for
a specific duration.
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193 | WITH SAFETY MEANS: |
This subclass is indented under the class definition. Apparatus provided with means to prevent direct injury to
the apparatus or to a human being.
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194 | CREMATORY: |
This subclass is indented under the class definition. Apparatus specially adapted for the burning of human corpses or animal carcasses. | |
195 | FORGE: |
This subclass is indented under the class definition. Apparatus specially adapted for building a blacksmith"s
fire generally consisting of an open firepot and means for feeding
air thereto, together with other combustion features peculiar to
such an organization.
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196 | STRAW BURNER AND FEEDER: |
This subclass is indented under the class definition. Apparatus specially adapted for burning straw and the feeding
means thereof.
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197 | . External structure detachable from firebox: |
This subclass is indented under subclass 196. External structure detachable from firebox: Apparatus having fireboxes located exteriorly of the main furnace structure and capable of being readily separated or detached therefrom. | |
198 | LOCOMOTIVE: |
This subclass is indented under the class definition. Apparatus specially adapted for use with mechanical structure
movable upon a railway track and propelled by a steam engine.
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199 | . Having noncombustible fluid feed means: |
This subclass is indented under subclass 198. Apparatus provided with means to inject air, steam, or water
into a combustion chamber.
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200 | .. And noncombustible fluid treatment means: |
This subclass is indented under subclass 199. And noncombustible fluid treatment means: Apparatus provided
with means for modifying the physical properties of the fluid prior
to its injection into the combustion chamber.
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201 | ... Preheater: |
This subclass is indented under subclass 200. Apparatus wherein the modifying means is provided to increase
the temperature of the fluid.
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202 | .. Undergrate feed: |
This subclass is indented under subclass 199. Apparatus provided with means for feeding the fluid below
the combustion reaction.
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203 | WITH EXHAUST GAS TREATMENT MEANS: |
This subclass is indented under the class definition. Apparatus provided with means for conditioning combustion
products subsequent to their production and prior to their venting
to the atmosphere to render them less objectionable to the environment.
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204 | . Recirculation means: |
This subclass is indented under subclass 203. Apparatus wherein the conditioning means returns all or
part of the products of combustion to a combustion chamber.
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205 | .. Air supply means: |
This subclass is indented under subclass 204. Apparatus provided with means for introducing air into the combustion products being returned to the combustion chamber. | |
206 | ... Including pump: |
This subclass is indented under subclass 205. Apparatus provided with means for impelling the returned combustion products into the combustion chamber. | |
207 | .... Eductor: |
This subclass is indented under subclass 206. Apparatus wherein the impelling means is a moving stream of fluid which mixes with and draws the returning combustion products into the combustion chamber. | |
208 | . Furnace having multiple firebox: |
This subclass is indented under subclass 203. Apparatus having a plurality of combustion chambers and
further provided with means for passing combustion products from
one combustion chamber to another.
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209 | .. By undergate means: |
This subclass is indented under subclass 208. Apparatus provided with means for passing combustion products beneath a combustion reaction. | |
210 | . Afterburning means: |
This subclass is indented under subclass 203. Apparatus wherein the treating means includes means to effect
combustion of unburned components in the gaseous products of combustion.
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211 | .. Means directing main flame or combustion products for afterburning: |
This subclass is indented under subclass 210. Apparatus wherein means is associated with the main burner to direct a portion of the flame into an afterburning zone spaced from the main combustion zone or to redirect the gaseous products of combustion through the flame of the main burner. | |
212 | .. Liquid or gaseous fueled: |
This subclass is indented under subclass 210. Apparatus wherein an auxiliary fluid fueled burner is used to assist in effecting combustion of unburned components in the gaseous products of combustion. | |
213 | ... Swirl inducing: |
This subclass is indented under subclass 212. Apparatus wherein the fluid fueled burner is arranged to induce a turbulent or whirling motion to the products of combustion to promote burning of the unburned components. | |
214 | .. Including means to add air: |
This subclass is indented under subclass 210. Apparatus including means to supply air to the afterburner zone to effect combustion of the unburned components of the gaseous products of combustion. | |
215 | . Means contacting exhaust gas with liquid: |
This subclass is indented under subclass 203. Means contacting exhaust gas with liquid: Apparatus including
means to commingle or otherwise encounter the gaseous products of combustion
with a liquid medium to remove impurities from the gaseous products.
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216 | . Means separating particles from exhaust gas: |
This subclass is indented under subclass 203. Apparatus including means to remove particulate matter suspended
in the gaseous products of combustion.
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217 | .. Outlet screen: |
This subclass is indented under subclass 216. Apparatus wherein the chimney or flue has a foraminous member
for preventing discharge of solid particles to the environment.
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218 | WITH FUEL TREATMENT MEANS: |
This subclass is indented under the class definition. Apparatus provided with means to enhance the combustible
properties of the solid fuel to be burned or refuse to be incinerated.
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219 | . Preliminary refuse treatment means: |
This subclass is indented under subclass 218. Apparatus provided with means for conditioning the refuse to be incinerated prior to burning. | |
220 | .. Sorter: |
This subclass is indented under subclass 219. Apparatus provided with means for separating the waste material
on the basis of some physical characteristic.
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221 | ... Dewatering: |
This subclass is indented under subclass 220. Apparatus having means for removing liquid from the refuse.
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222 | .. Comminutor: |
This subclass is indented under subclass 219. Apparatus provided with means for breaking up or reducing
in size the waste material.
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223 | .. Compactor: |
This subclass is indented under subclass 219. Apparatus provided with means for condensing or densifying
the waste material.
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224 | .. Dryer: |
This subclass is indented under subclass 219. Apparatus provided with means for driving off moisture from
the waste material by heating the material prior to delivery to
an incineration zone.
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225 | ... Furnace with multiple hearth: |
This subclass is indented under subclass 224. Apparatus provided with plural drying means wherein the refuse is moved progressively from one drying zone to another. | |
226 | ... Rotary drum type: |
This subclass is indented under subclass 224. Apparatus wherein the means to drive off the moisture includes
a barrel-like receptacle which is mounted to revolve about its longitudinal
axis while the material is being dried.
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227 | ... Having means to effect or facilitate refuse movement: |
This subclass is indented under subclass 224. Apparatus having means to either cause or to aid in the passage of the material being treated from a drying zone to a combustion zone. | |
228 | .... Mechanical conveying means: |
This subclass is indented under subclass 227. Apparatus wherein the means to cause or to aid in the passage
of the material includes a power-driven conveyor.
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229 | . Means for liberating gas from solid fuel: |
This subclass is indented under subclass 218. Apparatus wherein the means produces a combustible fluid
from the solid fuel.
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230 | .. Coking means: |
This subclass is indented under subclass 229. Apparatus provided with means to separate or eliminate the
combustible fluid from the solid fuel such that the distilled fuel
is mainly consumed within the combustion chamber.
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231 | ... Undergrate: |
This subclass is indented under subclass 230. Apparatus provided with means to pass the separated fluid under the fuel supporting means and through a combustion reaction. | |
232 | . Means for pulverizing solid fuel: |
This subclass is indented under subclass 218. Apparatus wherein the means is capable of comminuting or
disintegrating solid lump fuel into powdered fuel for use in a powdered
fuel burner.
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233 | COMBINED: |
This subclass is indented under the class definition. Apparatus including means in addition to the incinerating
or burning apparatus for performing some additional nonincinerating
or nonburning function or for perfecting the operation of the basic
incinerating or burning apparatus not provided for in another class.
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234 | . With boiler: |
This subclass is indented under subclass 233. Apparatus wherein the addition apparatus is a liquid heater
or vaporizer.
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235 | REFUSE INCINERATOR: |
This subclass is indented under the class definition. Apparatus specially adapted for burning waste material.
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236 | . Means for cleaning by combustion: |
This subclass is indented under subclass 235. Apparatus including means to effect the burning of the unwanted
waste material from a salvable item.
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237 | . For explosive or radioactive material: |
This subclass is indented under subclass 235. Apparatus specially adapted to burn radioactive or explosive waste material. | |
238 | . For liquid refuse: |
This subclass is indented under subclass 235. Apparatus specially adapted for the burning of liquid waste
material.
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239 | . For stump in situ: |
This subclass is indented under subclass 235. Apparatus specially adapted for burning stumps of trees
in their original place.
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240 | . Vehicle mounted: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator is mounted on an ambulant structure. | |
241 | . Portable: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator is constructed to be readily transported from place to place. | |
242 | . Closed vessel: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator is a sealed container
into which the refuse is placed and incinerated over the fire.
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243 | . Refuse suspended in or supported by a fluid medium: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator consists of means by which the material to be incinerated either floats on the surface of a body of liquid or is carried within and by a moving stream of gas during its incineration. | |
244 | .. Suspended in a gaseous medium: |
This subclass is indented under subclass 243. Apparatus wherein the incinerator consists of means by which
the material to be incinerated is carried within and by a moving
stream of gas during its incineration.
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245 | ... Fluidized bed of noncombustible particles: |
This subclass is indented under subclass 244. Apparatus wherein the incinerator consists of means by which
a distinct, flowable stratum of nonburnable particulate matter is
formed in the combustion zone by the action of gas passing upwardly
through the stratum.
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246 | . Rotary drum: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator is a barrellike receptacle
within which the refuse material is placed, which receptacle is
mounted to revolve about its longitudinal axis during incineration.
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247 | . Rotary grate movable about a vertical axis: |
This subclass is indented under subclass 235. Rotary grate movable about a vertical axis: Apparatus wherein
the incinerator has a grate that revolves about an axis which is
generally normal to the horizon upon which grate the refuse is supported.
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248 | . Refuse supported above grate: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator has means to support the refuse over the grate in spaced relation thereto, which means allows for circulation of air through the refuse. | |
249 | . Reverberatory type: |
This subclass is indented under subclass 235. Apparatus wherein the incinerator has means to shield the
refuse over which the flames of the furnace pass to consume the
refuse.
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250 | . With electric heater: |
This subclass is indented under subclass 235. Apparatus including electrical heating means to assist or
perform incineration of the refuse.
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251 | . Including air supply means extending vertically within refuse: |
This subclass is indented under subclass 235. Apparatus having means extending upwardly within a mass
of the refuse to supply air thereto.
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252 | .. With supplementary burner: |
This subclass is indented under subclass 251. Apparatus including a burner for discharging hot gases or flames vertically into the mass of refuse. | |
253 | . With means shielding burner from refuse: |
This subclass is indented under subclass 235. Apparatus including means to prevent refuse from clogging or effecting operation of the burner. | |
254 | . With air preheater: |
This subclass is indented under subclass 235. Apparatus including means to raise the temperature of air
being delivered to the combustion chamber.
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255 | . With means for advancing or handling refuse or residue: |
This subclass is indented under subclass 235. Apparatus including similar means for feeding, conveying,
or agitating refuse to or within the combustion chamber or for discharging
ash from the chamber, without particular heating or combustion chamber
structure.
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256 | .. Means for feeding through chimney: |
This subclass is indented under subclass 255. Apparatus having means to deliver the refuse through the
chimney or offtake flue to the combustion chamber.
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257 | .. Continuous advance: |
This subclass is indented under subclass 235. Apparatus having mechanical means to cause or aid in continuous
movement of refuse through the furnace.
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258 | .. Refuse agitating: |
This subclass is indented under subclass 255. Apparatus having means within the combustion chamber to
stir or shake the burning mass of refuse.
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259 | .. Residue handling; e.g., ash, etc.: |
This subclass is indented under subclass 255. Apparatus for receiving or removing the spent solid products
of combustion from the incinerator.
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260 | INCLUDING FLUID FUEL BURNER: |
This subclass is indented under the class definition. Apparatus provided with means for burning solid fuel and
liquid or gaseous fuel.
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261 | . Powdered solid fuel: |
This subclass is indented under subclass 260. Apparatus capable of burning pulverized solid fuel.
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262 | .. Alternate fuel: |
This subclass is indented under subclass 261. Apparatus wherein the apparatus is capable of burning either
powdered solid fuel or fluid fuel.
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263 | UTILIZING POWDERED FUEL: |
This subclass is indented under the class definition. Apparatus provided with means for burning pulverized solid
fuel which has been suspended in air such that the burning occurs
as the fuel remains so suspended.
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264 | . Having rotary flow means: |
This subclass is indented under subclass 263. Apparatus provided with vane or vanelike structure through
which the pulverized fuel and air mixture is caused to flow into
the combustion chamber thereby producing a rotary flow of the mixture.
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265 | . Having secondary air mixing means: |
This subclass is indented under subclass 263. Apparatus provided with variable control means to intermingle the suspended pulverized fuel with air other than that used to suspend the fuel to thereby produce a desired air-fuel mixture. | |
266 | . With residue handling means (e.g., ash, etc.): |
This subclass is indented under subclass 263. Apparatus further provided with means to remove or dispose
of the solid or liquid waste produced by the combustion of the pulverized solid
fuel.
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267 | INCLUDING MEANS TO FEED SOLID FUEL: |
This subclass is indented under the class definition. Apparatus provided with means for conveying lump combustible
material to the combustion chamber.
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268 | . Movable grate: |
This subclass is indented under subclass 267. Apparatus wherein the fuel conveying means in an ambulatory
perforated plate or bar structure which also supports the fuel during
the burning.
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269 | .. Endless chain: |
This subclass is indented under subclass 268. Apparatus wherein the movable grate is composed of an assemblage
of link sections attached together to form a beltlike conveyor structure.
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270 | ... Including air supply means: |
This subclass is indented under subclass 269. Apparatus provided with means for introducing air to the
endless chain grate to thereby promote and support the burning of
the fuel on the grate.
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271 | .... And chain seal: |
This subclass is indented under subclass 270. Apparatus further provided with means contiguous to and
communicating with the chain grate to prevent the escape of supplied
air or burning gases associated with the burning fuel.
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272 | ..... Between runs: |
This subclass is indented under subclass 209. Apparatus wherein the seal means is located either within the interior or contiguous to a longitudinal side of the endless grate. | |
273 | ... Inclined run: |
This subclass is indented under subclass 269. Apparatus provided with means to vertically dispose one end of the chain grate so that the longitudinal axis of the grate is at an angle with the horizon. | |
274 | ... Mobile support: |
This subclass is indented under subclass 269. Apparatus wherein the grate rests upon an ambulatory structure capable of allowing the entire grate to be moved as an entity with respect to the remainder of the combustion apparatus. | |
275 | .. Rotary: |
This subclass is indented under subclass 268. Apparatus wherein the grate or grate element is movable
about its longitudinal axis and further wherein the fuel is fed
onto the top of the grate or grate element.
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276 | ... About horizontal axis: |
This subclass is indented under subclass 275. Apparatus wherein the axis of the rotary grate is at a right
angle to plumb line.
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277 | ... Conical type: |
This subclass is indented under subclass 275. Apparatus wherein the rotary grate is in the shape of a
pyramid having a circular base.
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278 | .. Oscillatory: |
This subclass is indented under subclass 268. Apparatus wherein the grate or grate element is fixed at
a fulcrum point and capable of moving alternately backward and forward
thereby advancing the fuel along the grate.
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279 | ... Manual actuation means: |
This subclass is indented under subclass 278. Apparatus further provided with means for producing the oscillatory motion by human hand motion. | |
280 | ... Multiple retort: |
This subclass is indented under subclass 278. Apparatus provided with plurality of grate assemblages. | |
281 | .. Reciprocatory: |
This subclass is indented under subclass 268. Apparatus wherein the grate or grate elements are mounted
for linear alternate back and forth motion.
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282 | ... Including power feed: |
This subclass is indented under subclass 281. Apparatus further provided with fuel supply means driven
by mechanical device for feeding the fuel from a supply hopper to
the reciprocating moving grate.
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283 | .... UNDERFEED: |
This subclass is indented under subclass 282. Apparatus wherein the fuel supply means lies in a plane below the topmost point of the grate structure. | |
284 | ..... Power feed perpendicular to grate: |
This subclass is indented under subclass 283. Apparatus wherein the power feed means is at a right angle
to the axis of the reciprocating motion of the grate.
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285 | .. Raking bar type: |
This subclass is indented under subclass 268. Apparatus wherein the movable grate is composed of relatively long evenly shaped pieces of metal interposed with similar stationary metal pieces such that the movable grate produces a raking action to advance the fuel. | |
286 | . Power driven: |
This subclass is indented under subclass 267. Apparatus wherein the fuel conveying means is a machine
propelled by mechanical energy.
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287 | .. Having circular grate: |
This subclass is indented under subclass 286. Apparatus provided with a fuel supporting means which is
round in structure.
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288 | ... And forced air supply: |
This subclass is indented under subclass 287. Apparatus further provided with air fan impeller means for
feeding air to the circular grate.
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289 | .. Pusher ram: |
This subclass is indented under subclass 286. Apparatus wherein the fuel supply means includes a fuel
engaging means and means to cause the engaging means to move alternately to
and fro along a straight line from a fuel engaging point to a fuel
releasing point.
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290 | ... Parallel to grate: |
This subclass is indented under subclass 289. Apparatus provided with a fuel supporting means composed
of an assemblage of elements the longitudinal axis of which is parallel
to the axis of the straight line movement of the fuel supply means.
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291 | .... Inclined step grate: |
This subclass is indented under subclass 290. Apparatus wherein the grate assemblage is composed such
that the elements overlap one another in a descending configuration
thereby producing a steplike structure.
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292 | . Separate feed: |
This subclass is indented under subclass 267. Apparatus provided with means to supply the fuel in discrete
separate quantities.
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293 | . Supply hopper; e.g., magazine, etc.: |
This subclass is indented under subclass 267. Apparatus wherein the feed means is of the chute type such
that the fuel is fed to the combustion chamber by its own weight.
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294 | .. Cage grate: |
This subclass is indented under subclass 293. Apparatus wherein the lower part of the magazine has perforations
or bars on opposite sides such that air may enter one side of the
burning fuel and flames may pass out of the other.
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295 | HAVING MULTIPLE FIREBOX: |
This subclass is indented under the class definition. Apparatus provided with more than one combustion chamber.
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296 | . Including fluid supply means: |
This subclass is indented under subclass 295. Apparatus provided with means to supply air, steam, or water
to a combustion chamber.
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297 | INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS: |
This subclass is indented under the class definition. Apparatus provided with means to inject a noncombustible
gas or liquid into a combustion chamber to thereby promote or support
the combustion reaction.
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298 | . Hollow grate: |
This subclass is indented under subclass 297. Apparatus wherein the fluid supply means is composed of
a mechanical structure provided with an internal closed cavity for
allowing the fluid to pass therethrough such that mechanical structure
is additionally used to support the fuel during combustion.
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299 | .. Having flow controller: |
This subclass is indented under subclass 298. Apparatus provided with means to directly modify the direction,
velocity, or pressure of the fluid through the hollow grate.
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300 | ... For forced air supply: |
This subclass is indented under subclass 299. Apparatus wherein the flow control means is an impeller fan. | |
301 | . Having treatment means: |
This subclass is indented under subclass 297. Apparatus provided with means to modify the physical properties
of the fluid passing into the combustion chamber.
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302 | .. Preheater: |
This subclass is indented under subclass 301. Apparatus wherein the modifying means increases the temperature
of the fluid prior to entering the combustion chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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303 | ... And furnace gas mixer: |
This subclass is indented under subclass 302. Apparatus further provided with means to intermingle the incoming fluid with gases rising from the combustion of the fuel. | |
304 | ... Remote from combustion chamber: |
This subclass is indented under subclass 302. Apparatus wherein the preheater is located such that it
receives its heat from the combustion chamber exhaust gases, but
the preheater is external to the combustion chamber.
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305 | ... Bridgewall: |
This subclass is indented under subclass 302. Apparatus further provided with a hollow barrier structure located at the rear of the fire grate attached to the preheater such that the heated fluid enters the combustion reaction from barrier structure. | |
306 | ... Water or steam: |
This subclass is indented under subclass 302. Apparatus wherein the fluid being injected into the combustion chamber is water in either its liquid or gaseous state. | |
307 | .... Below grate: |
This subclass is indented under subclass 306. Apparatus wherein the water or steam is fed below the fuel supporting means. | |
308 | ... Internal to or attachable to wall: |
This subclass is indented under subclass 302. Apparatus wherein the preheater means is located on the interior of or is contiguous to a sidewall of the combustion chamber. | |
309 | .. And flow modifying means: |
This subclass is indented under subclass 301. Apparatus further provided with means to modify the course of the fluid through the combustion chamber. | |
310 | ... Deflector: |
This subclass is indented under subclass 309. Apparatus wherein the flow modifying means is in the form
of a plate or sheet for diverting the fluid.
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311 | .... Grate mounted: |
This subclass is indented under subclass 310. Apparatus wherein the deflector is attached to or substantially contiguous to the fuel supporting means. | |
312 | ..... Below grate: |
This subclass is indented under subclass 311. Apparatus wherein the deflector is located below the grate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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313 | ... Feed nozzle: |
This subclass is indented under subclass 309. Apparatus wherein the flow modifying means is a terminal
shaping outlet.
SEE OR SEARCH CLASS:
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314 | . Supplying through hollow bridgewall: |
This subclass is indented under subclass 297. Apparatus provided with a vertical barrier structure at the rear of the firebox having a substantially closed cavity through which the fluid may pass into the combustion chamber. | |
315 | DOWNDRAFT: |
This subclass is indented under the class definition. Apparatus provided with a grate and further having means
to cause the incoming air to flow down through the fuel and grate.
SEE OR SEARCH CLASS:
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316 | . Grateless: |
This subclass is indented under subclass 315. Apparatus wherein the fuel support means is the solid unperforated bottom of the combustion chamber. | |
317 | INCLUDING FIREBOX: |
This subclass is indented under the class definition. Apparatus relating to combustion chamber construction. | |
318 | . Having arch: |
This subclass is indented under subclass 317. Apparatus provided with structure specifically provided to reflect heat or combustion products in a desired direction or to a desired area. | |
319 | .. And flame shaper: |
This subclass is indented under subclass 318. Apparatus provided with means having a series of relatively
small openings designed to contour and direct the combustion flames
onto the structure desired to be heated.
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320 | .. Adjustable dimension firebox: |
This subclass is indented under subclass 318. Apparatus provided with means to vary the size of the combustion chamber either by a vertically movable grate, a movable bridgewall, or a movable dead plate which can vary the effective area of the grate surface. | |
321 | .. Door arch: |
This subclass is indented under subclass 318. Apparatus wherein the arch extends from the front of the combustion chamber over the combustion reaction. | |
322 | BAFFLE OR HEAT RETAINER STRUCTURE: |
This subclass is indented under the class definition. Structure relating to construction specially designed or
provided for to either reflect or retard heat.
SEE OR SEARCH CLASS:
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323 | . Refractory type: |
This subclass is indented under subclass 322. Structure wherein the baffle or retainer is composed of a ceramic or ceramic-like material which is resistant to high temperatures and large quantities of heat. | |
324 | .. Having concavity for engaging pipe exterior: |
This subclass is indented under subclass 323. Structure wherein the refractory structure is provided with a negatively curved area adapted to mate with the external surface of a boiler tube. | |
325 | ... And structure to bridge pipes: |
This subclass is indented under subclass 324. Structure wherein the refractory structure is further provided with a second concavity such that refractory structure simultaneously engages two separate boiler water tubes. | |
326 | . Metallic type: |
This subclass is indented under subclass 322. Structure wherein the baffle or retainer is composed of metal. | |
327 | SOLID FUEL FEED STRUCTURE: |
This subclass is indented under the class definition. Structure relating to a component of an apparatus, device,
or mechanism used to supply either fluid or solid fuel to a combustion chamber
of the class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
328 | . Movable grate: |
This subclass is indented under subclass 327. Structure relating to a solid fuel feed component which
additionally supports the fuel during burning.
SEE OR SEARCH CLASS:
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329 | .. Endless chain: |
This subclass is indented under subclass 328. Structure relating to endless conveyor component.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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330 | ... Having sprocket drive: |
This subclass is indented under subclass 329. Structure provided with a wheel structure provided with projections on its periphery such that the projections engage chain links to thereby impel the chain. | |
331 | ARCH OR ROOF STRUCTURE: |
This subclass is indented under the class definition. Structure relating to combustion chamber ceiling construction provided to reflect and direct combustion gases and heat back to the burning fuel to thereby further promote the burning action. | |
332 | . Planar surface area: |
This subclass is indented under subclass 331. Structure wherein the roof has a flat horizontal contour. | |
333 | .. Inclined: |
This subclass is indented under subclass 332. Structure further provided with a section having a plane
surface area which is at an angle with the horizon.
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334 | ... And convex surface area: |
This subclass is indented under subclass 333. Structure further provided with an outwardly curved contoured
area.
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335 | . Concave surface area: |
This subclass is indented under subclass 331. Structure wherein the arch has an inwardly curved contour.
SEE OR SEARCH CLASS:
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336 | WALL STRUCTURE: |
This subclass is indented under the class definition. Structure relating to vertical barrier construction of a
combustion chamber of the class.
SEE OR SEARCH CLASS:
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337 | . Bridgewall: |
This subclass is indented under subclass 336. Structure relating to wall structure for use at the rear
of the fire grate generally provided to turn the burning flame upwards
and to the structure to be heated.
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338 | BRICK ELEMENT: |
This subclass is indented under the class definition. Structure relating to a monolithic structure specially adapted
for use as a basic building element in a furnace wall, ceiling,
baffle, or arch.
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339 | . Having hanger: |
This subclass is indented under subclass 338. Structure provided with distinct attached means to allow
the brick element to be suspended from a separate support structure.
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340 | .. And metal casing: |
This subclass is indented under subclass 339. Structure further provided with a metallic sheathing enclosing
substantially all of the brick element.
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341 | PROCESS: |
This subclass is indented under the class definition. Method drawn to an operation peculiar to an apparatus of
the class.
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342 | . Treating fuel constituent or combustion product: |
This subclass is indented under subclass 341. Process wherein the fuel, refuse, or a combustion product
is subjected to a distinctive agent, action, device, or apparatus
in order to bring about a desired result.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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343 | .. To prevent corrosion of furnace: |
This subclass is indented under subclass 342. Process wherein the desired result is the hindrance of the
decay of the apparatus.
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344 | .. Combustion product: |
This subclass is indented under subclass 342. Process for treating the material produced during the combustion
reaction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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345 | ... Exhaust gas; e.g., pollution control, etc.: |
This subclass is indented under subclass 344. Exhaust gas; e.g., pollution control, etc.: Process wherein
the materials to be treated are the gaseous fumes normally expended
to the atmosphere.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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346 | . Incinerating refuse: |
This subclass is indented under subclass 341. Subject matter including processes for the combustion of
refuse material and the operation of incinerating apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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347 | . Burning pulverized fuel: |
This subclass is indented under subclass 341. Process relating to the combustion of solid powdered fuel
suspended in a fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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348 | . Supplying fluid: |
This subclass is indented under subclass 341. Process relating to the injecting of gases or liquids into
the combustion apparatus.
SEE OR SEARCH CLASS:
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101R | FUEL FEEDERS: |
This subclass is indented under the class definition. Devices for feeding fuel to furnaces not provided for above.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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102 | . Shavings and sawdust: |
This subclass is indented under subclass 101. Fuel-feeding devices especially adapted for feeding shaving
and sawdust to furnaces.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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103 | . Boiler controlled: |
This subclass is indented under subclass 101. Devices for feeding fuel whose operation is controlled by
the pressure of steam in the boiler heated by the fuel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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104R | . Blower: |
This subclass is indented under subclass 101. Devices for blowing the fuel into the firebox either by
air or steam or both conjoined together, with devices for conveying
the fuel to the blower into the path of the fluid current, and all
devices for preparing the fuel by pulverizing it if subsequently
delivered to the furnace by a fluidjet.
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| |||||||
105 | .. Hopper: |
This subclass is indented under subclass 104. Feeders in which the fuel is fed from a hopper and delivered
to furnace by a blast of air or steam, such hopper being immediately
attached to the furnace.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
105.5 | .. Locomotive stroker type: |
This subclass is indented under subclass 104. Devices in which a solid fuel feeder has fluid jet means
for distributing the fuel over a fire bed or grate. These devices
are generally known as the locomotive stoker type of blower feeders
though some are not disclosed for use on locomotives.
SEE OR SEARCH CLASS:
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105.6 | ... Underfeed to jet only: |
This subclass is indented under subclass 105.5. Devices in which the fuel feeding means causes the fuel
to be elevated from below and presented directly to the front of
the fluid jets.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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106 | .. Pulverizer: |
This subclass is indented under subclass 104. Devices having a fan blower where the fuel is passed through
the fan casing and is pulverized by the fan blades, and it includes
also those devices having a fan blower and a rotary grinder in the
same casing or in a casing in close proximity to the fan casing
for pulverizing the fuel, and the fuel is passed on by the air-current
to the firebox.
SEE OR SEARCH CLASS:
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104A | .. Locomotive distributor plates |
This subclass has no definition. | |
104B | .. Burners, per se |
This subclass has no definition. | |
107 | . Bridgewall: |
This subclass is indented under subclass 101. Devices for feeding fuel to the furnace at the bridge wall.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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108 | . Hopper: |
This subclass is indented under subclass 101. Subject matter relating to feed-hoppers, per se. | |
This subclass has no definition. | |
109 | ... Reciprocating: |
This subclass is indented under subclass 108. Devices in which the fuel is simply pushed into the furnace by a reciprocating member. | |
110 | ... Screw: |
This subclass is indented under subclass 108. Devices that push the fuel into the body of fuel in the firebox by a rotary screw. | |
This subclass has no definition. | |
111 | .. Carrier: |
This subclass is indented under subclass 101. Devices that have a carrier for taking the fuel into the
furnace over the fire and scattering it thereon, such carrier not
passing through the door.
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112 | ... Door: |
This subclass is indented under subclass 111. Devices for carrying fuel through the furnace door over the fire and scattering it thereon. | |
113 | .. Oscillating: |
This subclass is indented under subclass 101. Devices having an oscillating fuel spreader that scatters
the fuel delivered upon it over the fire.
SEE OR SEARCH CLASS:
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114 | .. Reciprocating plunger: |
This subclass is indented under subclass 101. Devices that deliver the fuel before a plunger that scatters
the coal over the fire.
SEE OR SEARCH CLASS:
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115 | .. Rotary: |
This subclass is indented under subclass 101. Devices having a rotary fuel-spreader that scatters the
fuel delivered to it over the fire.
SEE OR SEARCH CLASS:
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This subclass has no definition. | |
116 | .. Door: |
This subclass is indented under subclass 101. Devices for feeding fuel through a gravity-feed chute to the furnace through the furnace doorway. | |
117 | ... Multiple charge: |
This subclass is indented under subclass 116. Devices for charging furnaces with fuel at intervals, either motor or clock operated or operated by hand, at the will of the operator, such being fed through the doorway of the furnace. | |
118 | . Vertical drop: |
This subclass is indented under subclass 101. Devices for delivering fuel to the firebox by gravity feed
when the fuel is fed from overhead and falls directly upon the fire
from above.
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101A | . Shiftable stoker |
This subclass has no definition. | |
101C | . Automatic control |
This subclass has no definition. | |
101CF | . Fuel control |
This subclass has no definition. | |
101CA | . Feeder responsive to fuel bed temperature |
This subclass has no definition. | |
101CB | . Feeder responsive to fuel bed pressure |
This subclass has no definition. | |
101CC | . Feeder responsive to fuel bed weight |
This subclass has no definition. | |
101CD | . Feeder responsive to fuel bed height |
This subclass has no definition. | |
119 | SPARK ARRESTERS: |
This subclass is indented under the class definition. Devices for preventing live sparks from passing out of the
stack or chimney. This is accomplished either by screens, baffles,
steam or water spray located either in the smokebox or smokestack
and in some cases by screens in the boiler flues.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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120 | . Furnace conductor: |
This subclass is indented under subclass 119. Devices in which the sparks are returned to the furnace,
either to the firebox or ashpan.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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121 | . Combined stack and smokebox: |
This subclass is indented under subclass 119. Devices in which the arrester is contained in both the stack
and smokebox.
SEE OR SEARCH CLASS:
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122 | . Smokebox: |
This subclass is indented under subclass 119. Devices located in the smokebox for arresting sparks. | |
123 | .. Draft regulator: |
This subclass is indented under subclass 122. Subject matter including also draft regulation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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124 | .. Divided: |
This subclass is indented under subclass 122. Devices having two compartments, into one of which the sparks are precipitated. | |
125 | .. Hood: |
This subclass is indented under subclass 122. Devices having a hood over the boiler tubes, through which the products of combustion must pass. | |
126 | .. Vertical drum: |
This subclass is indented under subclass 122. Devices where the arrester is hollow, somewhat cylindrical
in form, and vertically arranged, through which the exhaust-steam passes.
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127 | .. Ejector: |
This subclass is indented under subclass 122. Devices for ejecting the sparks from the smokebox by a jet of steam, air, water, fan, or other means. | |
128 | .. Water receptacle: |
This subclass is indented under subclass 122. Devices where the sparks are precipitated into a water receptacle
in the smokebox and also includes devices with a steam or water
spray in combination with the receptacle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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129 | .. Discharge valve: |
This subclass is indented under subclass 122. Devices including discharge-valves for dumping the sparks from the smokebox. | |
145 | SPARK AND SMOKE CONDUCTORS: |
This subclass is indented under the class definition. Devices applied to a stack or smokebox for conducting the
smoke and sparks and discharging them upon the ground or into the
air. They need not necessarily be conduits but may be shields or
deflectors. Includes conduits applied the stack of a boiler used
for threshing purposes on a farm, the conduit being carried at a
distance from the boiler or engine and discharging into a water
receptacle to prevent the sparks setting fire to the straw.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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146 | . Train: |
This subclass is indented under subclass 145. Devices having a conduit extending from the smoke-discharge
end of the locomotive past the cars of the train to carry away the
smoke and sparks and discharge them at the rear of the train.
SEE OR SEARCH CLASS:
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147 | DRAFT REGULATORS: |
This subclass is indented under the class definition. Devices which act directly on the products of combustion
after they leave the firebox to affect the velocity of said products.
Also devices that act directly on the fire as blowers for the fire,
in combination with steam or air jets that either increase or decrease
the draft; and exhaust mechanisms that have exhaust nozzles.
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148 | . Separation of gases: |
This subclass is indented under subclass 147. Devices for separating the heavy gases and drawing them off, allowing only the lighter gases to pass through the stack. | |
150 | . Steam injector: |
This subclass is indented under subclass 147. Devices in which steam is injected into the path of the products of combustion to regulate its velocity. | |
157 | .. Feeding air: |
This subclass is indented under subclass 147. Devices for admitting air to the smokebox or base of stack
to retard the draft.
SEE OR SEARCH CLASS:
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158 | ... Door operated: |
This subclass is indented under subclass 157. Devices having an air-opening valve controlled by movement
of a furnace door.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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This subclass has no definition. | |
159 | .. Portable: |
This subclass is indented under subclass 147. Devices applied to a stack for a limited time to assist the draft, especially in firing up a locomotive. | |
160 | .. Air jet: |
This subclass is indented under subclass 147. Devices for forcing a jet of air into a stack or chimney
to regulate the draft by induction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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161 | ... Steam injected: |
This subclass is indented under subclass 160. Devices comprising a jet of steam.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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162 | . Fan exhaust: |
This subclass is indented under subclass 147. Devices in which the products of combustion or a part of
them are drawn through a fan to increase the draft.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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163 | . Damper: |
This subclass is indented under subclass 147. Devices movable in the path of the products of combustion
for regulating the cross sectional area of said path or for closing
one path in order to pass them through another or longer course.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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165R | ASH RECEIVING AND HANDLING DEVICES: |
This subclass is indented under the class definition. Devices for receiving and removing ashes, including ashpit
structures, ashpans and conveyors when furnace structure is included.
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166 | . Ashpans: |
This subclass is indented under subclass 165. Devices comprising receptacles under a furnace-grate for
receiving the ashes as they fall therefrom, except the ash-pit itself.
The pan must be a removable receptacle suspended from the furnace
or resting on a support beneath the grate or permanently attached
to the furnace, as in some locomotive structures.
SEE OR SEARCH CLASS:
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167 | .. Dumping: |
This subclass is indented under subclass 166. Devices relating to mechanical devices for emptying the
ashpan, including pans having scrapers or carriers, valves in the
bottom for allowing the ashes to fall out when opened, or pans allowing
the whole bottom to swing down to dump the ashes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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168 | ... Conjoined floor sections: |
This subclass is indented under subclass 167. Devices whose bottoms are made of a plurality of sections pivoted at each end and connected to a common operating-bar. | |
169 | ... Reciprocating discharge valve: |
This subclass is indented under subclass 167. Ashpans that dump the contents by reciprocating one or more valves in the bottom of the pan. | |
170 | ... Scraper: |
This subclass is indented under subclass 167. Ashpans that have a scraper for pushing the contents out of the pan. | |
171 | .. Steam and water attachments: |
This subclass is indented under subclass 166. Devices where water or steam is injected into the ashpan for the purpose of ejecting the ashes or extinguishing sparks. | |
165A | . Fly ash disposers |
This subclass has no definition. | |
172 | FRONTS: |
This subclass is indented under the class definition. Constructions for furnace-fronts, including door structures
in furnace-fronts.
SEE OR SEARCH CLASS:
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173R | DOORS: |
This subclass is indented under the class definition. Subject matter relating to closures for openings in furnace-walls.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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174 | . Feeding air and steam: |
This subclass is indented under subclass 173. Doors through which air and steam or steam are fed to the
fire and also where air and steam or steam is fed to the fire when
the valve controlling the admission of the fluid is operated by
the door, whether the fluid passes through the door or not.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
175R | . Feeding air: |
This subclass is indented under subclass 173. Doors which admit air to the furnace either by ports or
conduits through the door structure or having means for keeping
the door partly open where the construction is especially adapted
for admitting air other than by simply opening a door of common
construction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
175A | .. Automatic door dampers |
This subclass has no definition. | |
176 | . Operators: |
This subclass is indented under subclass 173. Devices for opening and closing doors aside from the ordinary
latch.
SEE OR SEARCH CLASS:
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177 | .. Motor: |
This subclass is indented under subclass 176. Devices including a motor.
SEE OR SEARCH CLASS:
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178 | .. Pedal: |
This subclass is indented under subclass 176. Devices using foot-power directly.
SEE OR SEARCH CLASS:
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179 | . Fluid screens: |
This subclass is indented under subclass 173. Devices for preventing the heat, gases, or flames from passing
out of the furnace when the door is opened either by a spray of
steam, air, or water or by causing air to be drawn into the door
or having means to draw the gases through a bypass when the door
is opened. These devices also serve to prevent the cold outside
air from cooling the boiler.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
173A | . Soaking pit covers |
This subclass has no definition. | |
173B | . Explosion relief doors |
This subclass has no definition. | |
173C | . Compound doors |
This subclass has no definition. | |
This subclass has no definition. | |
180 | . Cooling: |
This subclass is indented under the class definition. Subject matter relating to doors and casings that are kept
cool by the circulation of steam or air through them.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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181 | DOOR CASINGS AND ARCHES: |
This subclass is indented under the class definition. Subject matter relating to the construction of casings and
arches for furnace doors.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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182 | . Feeding air: |
This subclass is indented under subclass 181. Arches and casings with circulation conduits through which
air or air and steam are passed to be fed to the furnace.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
182.5 | TUYERES: |
This subclass is indented under the class definition. Subject matter relating to conduits for feeding air to furnaces.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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182.6 | . Forge: |
This subclass is indented under subclass 182.5. Tuyeres for a type used in a forge and in which the direction
of the air blast is usually vertical.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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184 | SMOKESTACKS: |
This subclass is indented under the class definition. Subject matter relating to metal smokestacks of locomotives
and portable boilers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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349 | MISCELLANEOUS: |
This subclass is indented under the class definition. Inventions specially adapted for use with an apparatus of the class but not provided for elsewhere. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |