Version: 2024.08
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| F23L | SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ({air-supply arrangements for fluent fuels F23C;} firebridges with means for feeding air or steam F23M 3/04; baffles or shields with air supply passages F23M 9/04); VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS {(dampers and throat restrictors for open fire-places F24; air inlet valves for open fire fronts F24)}; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES [2018-08] WARNING
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F23L 1/00 | Passages or apertures for delivering primary air for combustion (baffles or deflectors in air inlets F23M 9/02) [2021-08] |
F23L 1/02 | . | by discharging the air below the fire [2013-01] |
F23L 3/00 | Arrangements of valves or dampers before the fire [2013-01] |
F23L 5/00 | Blast-producing apparatus before the fire [2013-01] |
F23L 5/02 | . | Arrangements of fans or blowers [2018-08] |
F23L 5/04 | . | by induction of air for combustion, e.g. using steam jet [2013-01] |
F23L 7/00 | Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam [2013-01] |
F23L 7/002 | . | {Supplying water} [2013-01] |
F23L 7/005 | . . | {Evaporated water; Steam} [2013-01] |
F23L 7/007 | . | {Supplying oxygen or oxygen-enriched air} [2013-01] |
F23L 9/00 | Passages or apertures for delivering secondary air for completing combustion of fuel (baffles or deflectors in air inlets F23M 9/02) [2021-08] |
F23L 9/02 | . | by discharging the air above the fire [2013-01] |
F23L 9/04 | . | by discharging the air beyond the fire, i.e. nearer the smoke outlet [2013-01] |
F23L 9/06 | . | by discharging the air into the fire bed [2013-01] |
F23L 11/00 | Arrangements of valves or dampers after the fire [2013-01] |
F23L 11/005 | . | {for closing the flue during interruption of burner function} [2013-01] |
F23L 11/02 | . | for reducing draught by admission of air to flues [2013-01] |
F23L 13/00 | Construction of valves or dampers for controlling air supply or draught [2018-08] |
F23L 13/02 | . | pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L 13/08) [2013-01] |
F23L 13/04 | . . | with axis perpendicular to face [2013-01] |
F23L 13/06 | . | slidable only [2013-01] |
F23L 13/08 | . | operating as a roller blind; operating as a venetian blind [2013-01] |
F23L 13/10 | . | having a compound movement involving both sliding and pivoting [2013-01] |
F23L 15/00 | Heating of air supplied for combustion [2013-01] |
F23L 15/02 | . | Arrangements of regenerators [2013-01] |
F23L 15/04 | . | Arrangements of recuperators [2013-01] |
F23L 15/045 | . . | {using intermediate heat-transfer fluids} [2013-01] |
F23L 17/00 | Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues [2018-08] |
F23L 17/005 | . | {using fans} [2013-01] |
F23L 17/02 | . | Tops for chimneys or ventilating shafts; Terminals for flues [2013-01] |
F23L 17/04 | . . | Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet [2013-01] |
F23L 17/06 | . . | branched; T-headed [2013-01] |
F23L 17/08 | . . | with coaxial cones or louvres [2017-08] |
F23L 17/10 | . . | wherein the top moves as a whole [2013-01] |
F23L 17/12 | . . | Devices for fastening the top or terminal to chimney, shaft, or flue [2013-01] |
F23L 17/14 | . . | Draining devices [2013-01] |
F23L 17/16 | . | Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire [2013-01] |
F23L 99/00 | Subject matter not provided for in other groups of this subclass [2013-01] |
F23L 2700/00 | Installations for increasing draught in chimneys; Specific draught control devices for locomotives [2013-01] |
F23L 2700/001 | . | Installations for increasing draught in chimneys [2013-01] |
F23L 2700/002 | . | Specific draught control devices for locomotives [2013-01] |
F23L 2900/00 | Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber [2013-01] |
F23L 2900/00001 | . | Treating oxidant before combustion, e.g. by adding a catalyst [2013-01] |
F23L 2900/05021 | . | Gas turbine driven blowers for supplying combustion air or oxidant, i.e. turbochargers [2013-01] |
F23L 2900/07001 | . | Injecting synthetic air, i.e. a combustion supporting mixture made of pure oxygen and an inert gas, e.g. nitrogen or recycled fumes [2013-01] |
F23L 2900/07002 | . | Injecting inert gas, other than steam or evaporated water, into the combustion chambers [2013-01] |
F23L 2900/07003 | . | Controlling the inert gas supply [2013-01] |
F23L 2900/07004 | . | Injecting liquid or solid materials releasing oxygen, e.g. perchlorate, nitrate, peroxide, and chlorate compounds, or appropriate mixtures thereof [2013-01] |
F23L 2900/07005 | . | Injecting pure oxygen or oxygen enriched air [2013-01] |
F23L 2900/07006 | . | Control of the oxygen supply [2013-01] |
F23L 2900/07007 | . | using specific ranges of oxygen percentage [2013-01] |
F23L 2900/07008 | . | Injection of water into the combustion chamber [2013-01] |
F23L 2900/07009 | . | Injection of steam into the combustion chamber [2013-01] |
F23L 2900/15021 | . | using regenerative heat exchanger bodies with different layers of material [2013-01] |
F23L 2900/15022 | . | using pre-purging regenerator beds [2013-01] |
F23L 2900/15041 | . | Preheating combustion air by recuperating heat from ashes [2013-01] |
F23L 2900/15042 | . | Preheating combustion air by auxiliary combustion, e.g. in a turbine [2013-01] |
F23L 2900/15043 | . | Preheating combustion air by heat recovery means located in the chimney, e.g. for home heating devices [2013-01] |
F23L 2900/15044 | . | Preheating combustion air by heat recovery means using solar or other clean energy [2013-01] |