Version: 2025.01
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| F28F | DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) [2018-08] WARNING
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F28F 1/00 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) [2013-01] |
F28F 1/003 | . | {Multiple wall conduits, e.g. for leak detection (leak-detection in metal cooled nuclear reactor steam generators F22B 1/066)} [2013-01] |
F28F 1/006 | . | {with variable shape, e.g. with modified tube ends, with different geometrical features (F28F 1/025, F28F 1/06, F28F 1/08, F28F 9/16, F28F 9/18 take precedence)} [2013-01] |
F28F 1/02 | . |
F28F 1/022 | . . | {with multiple channels} [2013-01] |
F28F 1/025 | . . |
F28F 2001/027 | . . | {with dimples} [2013-01] |
F28F 1/04 | . . |
F28F 1/045 | . . . | {with assemblies of stacked elements} [2013-01] |
F28F 1/06 | . . | crimped or corrugated in cross-section [2013-01] |
F28F 1/08 | . | Tubular elements crimped or corrugated in longitudinal section [2013-01] |
F28F 1/10 | . |
F28F 1/105 | . . | {the means being corrugated elements extending around the tubular elements} [2013-01] |
F28F 1/12 | . . | the means being only outside the tubular element [2013-01] |
F28F 1/122 | . . . | {and being formed of wires} [2013-01] |
F28F 1/124 | . . . | {and being formed of pins} [2013-01] |
F28F 1/126 | . . . | {consisting of zig-zag shaped fins (F28F 1/105 takes precedence)} [2013-01] |
F28F 1/128 | . . . . | {Fins with openings, e.g. louvered fins} [2013-01] |
F28F 1/14 | . . . |
F28F 1/16 | . . . . | the means being integral with the element, e.g. formed by extrusion (F28F 1/22 takes precedence) [2013-01] |
F28F 1/18 | . . . . . | the element being built-up from finned sections [2013-01] |
F28F 1/20 | . . . . |
F28F 1/22 | . . . . | the means having portions engaging further tubular elements [2013-01] |
F28F 1/24 | . . . |
F28F 1/26 | . . . . |
F28F 1/28 | . . . . . | the element being built-up from finned sections [2013-01] |
F28F 1/30 | . . . . |
F28F 1/32 | . . . . | the means having portions engaging further tubular elements [2013-01] |
F28F 1/325 | . . . . . | {Fins with openings} [2013-01] |
F28F 1/34 | . . . |
F28F 1/36 | . . . . | the means being helically wound fins or wire spirals [2013-01] |
F28F 1/38 | . . . | and being staggered to form tortuous fluid passages [2013-01] |
F28F 1/40 | . . | the means being only inside the tubular element [2013-01] |
F28F 1/405 | . . . | {and being formed of wires} [2013-01] |
F28F 1/42 | . . | the means being both outside and inside the tubular element [2013-01] |
F28F 1/422 | . . . | {with outside means integral with the tubular element and inside means integral with the tubular element (F28F 1/424 takes precedence)} [2013-01] |
F28F 1/424 | . . . | {Means comprising outside portions integral with inside portions} [2013-01] |
F28F 1/426 | . . . . | {the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex} [2013-01] |
F28F 2001/428 | . . . | {Particular methods for manufacturing outside or inside fins} [2013-01] |
F28F 1/44 | . . . | and being formed of wire mesh [2013-01] |
F28F 3/00 | Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F 5/00) [2013-01] |
F28F 3/005 | . | {Arrangements for preventing direct contact between different heat-exchange media (F28F 3/10 takes precedence)} [2013-01] |
F28F 3/02 | . | Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F 3/08 takes precedence) [2013-01] |
F28F 3/022 | . . | {the means being wires or pins} [2013-01] |
F28F 3/025 | . . | {the means being corrugated, plate-like elements} [2013-01] |
F28F 3/027 | . . . | {with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips} [2013-01] |
F28F 3/04 | . . | the means being integral with the element [2013-01] |
F28F 3/042 | . . . | {in the form of local deformations of the element} [2013-01] |
F28F 3/044 | . . . . | {the deformations being pontual, e.g. dimples} [2013-01] |
F28F 3/046 | . . . . | {the deformations being linear, e.g. corrugations} [2013-01] |
F28F 3/048 | . . . | {in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels} [2013-01] |
F28F 3/06 | . . | the means being attachable to the element [2013-01] |
F28F 3/08 | . | Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning [2013-01] |
F28F 3/083 | . . | {capable of being taken apart} [2013-01] |
F28F 3/086 | . . | {having one or more openings therein forming tubular heat-exchange passages} [2013-01] |
F28F 3/10 | . . | Arrangements for sealing the margins [2013-01] |
F28F 3/12 | . |
F28F 3/14 | . . | by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P) [2013-01] |
F28F 5/00 | Elements specially adapted for movement [2024-01] |
F28F 5/02 | . | Rotary drums or rollers [2013-01] |
F28F 5/04 | . | Hollow impellers, e.g. stirring vane [2013-01] |
F28F 5/06 | . | Hollow screw conveyors [2016-05] |
F28F 7/00 |
F28F 9/00 | Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings [2013-01] |
F28F 9/001 | . | {Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core} [2013-01] |
F28F 9/002 | . . | {with fastening means for other structures} [2013-01] |
F28F 2009/004 | . . | {Common frame elements for multiple cores} [2013-01] |
F28F 9/005 | . | {Other auxiliary members within casings, e.g. internal filling means or sealing means} [2013-01] |
F28F 9/007 | . | Auxiliary supports for elements [2013-01] |
F28F 9/0075 | . . | {Supports for plates or plate assemblies} [2013-01] |
F28F 9/013 | . . | for tubes or tube-assemblies [2013-01] |
F28F 9/0131 | . . . | {formed by plates (F28F 9/0138 takes precedence)} [2013-01] |
F28F 9/0132 | . . . | {formed by slats, tie-rods, articulated or expandable rods} [2013-01] |
F28F 9/0133 | . . . | {formed by concentric strips} [2013-01] |
F28F 9/0135 | . . . | {formed by grids having only one tube per closed grid opening (F28F 9/0132 and F28F 9/0133 take precedence)} [2013-01] |
F28F 9/0136 | . . . . | {formed by intersecting strips} [2013-01] |
F28F 9/0137 | . . . | {formed by wires, e.g. helically coiled (F28F 9/0135 takes precedence)} [2013-01] |
F28F 9/0138 | . . . | {formed by sleeves for finned tubes} [2013-01] |
F28F 9/02 | . | Header boxes; End plates [2013-01] |
F28F 9/0202 | . . | {Header boxes having their inner space divided by partitions} [2013-01] |
F28F 9/0204 | . . . | {for elongated header box, e.g. with transversal and longitudinal partitions} [2013-01] |
F28F 9/0207 | . . . . | {the longitudinal or transversal partitions being separate elements attached to header boxes (F28F 9/0212, F28F 9/0217 take precedence)} [2013-01] |
F28F 9/0209 | . . . . | {having only transversal partitions} [2013-01] |
F28F 9/0212 | . . . . . | {the partitions being separate elements attached to header boxes} [2013-01] |
F28F 9/0214 | . . . . | {having only longitudinal partitions} [2013-01] |
F28F 9/0217 | . . . . . | {the partitions being separate elements attached to header boxes} [2013-01] |
F28F 9/0219 | . . | {Arrangements for sealing end plates into casing or header box; Header box sub-elements (F28F 9/0236 takes precedence)} [2013-01] |
F28F 9/0221 | . . . | {Header boxes or end plates formed by stacked elements} [2013-01] |
F28F 9/0224 | . . . | {Header boxes formed by sealing end plates into covers (F28F 9/0221 takes precedence)} [2013-01] |
F28F 9/0226 | . . . . | {with resilient gaskets} [2013-01] |
F28F 9/0229 | . . | {Double end plates; Single end plates with hollow spaces} [2013-01] |
F28F 9/0231 | . . | {Header boxes having an expansion chamber} [2013-01] |
F28F 9/0234 | . . | {having a second heat exchanger disposed there within, e.g. oil cooler} [2013-01] |
F28F 9/0236 | . . | {floating elements} [2013-01] |
F28F 9/0239 | . . . | {floating header boxes} [2013-01] |
F28F 9/0241 | . . . | {floating end plates} [2013-01] |
F28F 9/0243 | . . | {Header boxes having a circular cross-section} [2013-01] |
F28F 9/0246 | . . | {Arrangements for connecting header boxes with flow lines} [2013-01] |
F28F 9/0248 | . . . | {Arrangements for sealing connectors to header boxes} [2013-01] |
F28F 9/0251 | . . . | {Massive connectors, e.g. blocks; Plate-like connectors} [2013-01] |
F28F 9/0253 | . . . . | {with multiple channels, e.g. with combined inflow and outflow channels} [2013-01] |
F28F 9/0256 | . . . | {Arrangements for coupling connectors with flow lines} [2013-01] |
F28F 9/0258 | . . . . | {of quick acting type, e.g. with snap action} [2013-01] |
F28F 9/026 | . . | {with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits} [2013-01] |
F28F 9/0263 | . . . | {by varying the geometry or cross-section of header box} [2013-01] |
F28F 9/0265 | . . . | {by using guiding means or impingement means inside the header box} [2013-01] |
F28F 9/0268 | . . . . | {in the form of multiple deflectors for channeling the heat exchange medium} [2013-01] |
F28F 9/027 | . . . | {in the form of distribution pipes} [2013-01] |
F28F 9/0273 | . . . . | {with multiple holes} [2013-01] |
F28F 9/0275 | . . . . | {with multiple branch pipes} [2013-01] |
F28F 9/0278 | . . . | {in the form of stacked distribution plates or perforated plates arranged over end plates} [2013-01] |
F28F 9/028 | . . . | {by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels} [2013-01] |
F28F 9/0282 | . . . | {by varying the geometry of conduit ends, e.g. by using inserts or attachments for modifying the pattern of flow at the conduit inlet or outlet} [2013-01] |
F28F 2009/0285 | . . | {Other particular headers or end plates} [2013-01] |
F28F 2009/0287 | . . . | {having passages for different heat exchange media} [2013-01] |
F28F 2009/029 | . . . | {with increasing or decreasing cross-section, e.g. having conical shape} [2013-01] |
F28F 2009/0292 | . . . | {with fins} [2013-01] |
F28F 2009/0295 | . . . | {comprising cooling circuits} [2013-01] |
F28F 2009/0297 | . . . | {Side headers, e.g. for radiators having conduits laterally connected to common header} [2013-01] |
F28F 9/04 | . . | Arrangements for sealing elements into header boxes or end plates {(arrangements for sealing flow lines connectors to header boxes F28F 9/0248)} [2013-01] |
F28F 9/06 | . . . | by dismountable joints [2013-01] |
F28F 9/08 | . . . . | by wedge-type connections, e.g. taper ferrule [2013-01] |
F28F 9/10 | . . . . | by screw-type connections, e.g. gland [2013-01] |
F28F 9/12 | . . . . | by flange-type connections [2013-01] |
F28F 9/14 | . . . . | by force-joining [2013-01] |
F28F 9/16 | . . . | by permanent joints, e.g. by rolling (metal-working procedures in general B21, B32; particularly B21D 39/06, B23K) [2013-01] |
F28F 9/162 | . . . . | {by using bonding or sealing substances, e.g. adhesives (F28F 9/18 takes precedence)} [2013-01] |
F28F 9/165 | . . . . | {by using additional preformed parts, e.g. sleeves, gaskets (F28F 9/185 takes precedence)} [2013-01] |
F28F 9/167 | . . . . . | {the parts being inserted in the heat-exchange conduits} [2013-01] |
F28F 9/18 | . . . . | by welding [2013-01] |
F28F 9/182 | . . . . . | {the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments} [2013-01] |
F28F 9/185 | . . . . . | {with additional preformed parts} [2013-01] |
F28F 9/187 | . . . . . | {at least one of the parts being non-metallic, e.g. heat-sealing plastic elements} [2013-01] |
F28F 9/20 | . | Arrangements of heat reflectors, e.g. separately-insertible reflecting walls [2013-01] |
F28F 9/22 | . | Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates [2013-01] |
F28F 2009/222 | . . | {Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit} [2013-01] |
F28F 2009/224 | . . . | {Longitudinal partitions} [2013-01] |
F28F 2009/226 | . . . | {Transversal partitions} [2013-01] |
F28F 2009/228 | . . . | {Oblique partitions} [2013-01] |
F28F 9/24 | . |
F28F 9/26 | . | Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H 9/14 {, connecting headers with inlet or outlet fittings F28F 9/0246}) [2017-08] |
F28F 9/262 | . . | {for radiators (F28D 1/0408 takes precedence)} [2013-01] |
F28F 9/264 | . . . | {by sleeves, nipples} [2013-01] |
F28F 9/266 | . . . | {by screw-type connections} [2013-01] |
F28F 9/268 | . . . | {by permanent joints, e.g. by welding} [2013-01] |
F28F 11/00 | Arrangements for sealing leaky tubes and conduits (stopping flow from or in pipes in general F16L 55/10) [2013-01] |
F28F 11/02 | . | using obturating elements, e.g. washers, inserted and operated independently of each other (F28F 11/06 takes precedence) [2013-01] |
F28F 11/04 | . | using pairs of obturating elements, e.g. washers, mounted upon central operating rods (F28F 11/06 takes precedence) [2013-01] |
F28F 11/06 | . | using automatic tube obturating appliances [2013-01] |
F28F 13/00 | Arrangements for modifying heat-transfer, e.g. increasing, decreasing (F28F 1/00 - F28F 11/00 take precedence) [2016-05] |
F28F 2013/001 | . | {Particular heat conductive materials, e.g. superconductive elements} [2024-08] |
F28F 13/003 | . | {by using permeable mass, perforated or porous materials (F28F 13/18 takes precedence)} [2013-01] |
F28F 2013/005 | . | {Thermal joints} [2013-01] |
F28F 2013/006 | . . | {Heat conductive materials} [2013-01] |
F28F 2013/008 | . . | {Variable conductance materials; Thermal switches} [2013-01] |
F28F 13/02 | . |
F28F 13/04 | . | by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F 13/18 takes precedence)} [2013-01] |
F28F 13/06 | . | by affecting the pattern of flow of the heat-exchange media {(F28F 13/003 takes precedence; static flow control means in header boxes F28F 9/026)} [2013-01] |
F28F 13/08 | . . | by varying the cross-section of the flow channels [2013-01] |
F28F 13/10 | . . | by imparting a pulsating motion to the flow, e.g. by sonic vibration [2013-01] |
F28F 13/12 | . . | by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F 13/08 takes precedence) [2013-01] |
F28F 13/125 | . . . | {by stirring} [2013-01] |
F28F 13/14 | . | by endowing the walls of conduits with zones of different degrees of conduction of heat [2013-01] |
F28F 13/16 | . | by applying an electrostatic field to the body of the heat-exchange medium [2013-01] |
F28F 13/18 | . | by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing [2013-01] |
F28F 13/182 | . . | {especially adapted for evaporator or condenser surfaces (F28F 13/187 takes precedence)} [2013-01] |
F28F 13/185 | . . | {Heat-exchange surfaces provided with microstructures or with porous coatings} [2013-01] |
F28F 13/187 | . . . | {especially adapted for evaporator surfaces or condenser surfaces, e.g. with nucleation sites} [2013-01] |
F28F 17/00 | Removing ice or water from heat-exchange apparatus [2013-01] |
F28F 17/005 | . | {Means for draining condensates from heat exchangers, e.g. from evaporators (F28B 9/08 takes precedence)} [2013-01] |
F28F 19/00 | Preventing the formation of deposits or corrosion, e.g. by using filters {or scrapers} [2013-01] |
F28F 19/002 | . | {by using inserts or attachments} [2013-01] |
F28F 19/004 | . | {by using protective electric currents, voltages, cathodes, anodes, electric short-circuits} [2013-01] |
F28F 19/006 | . | {Preventing deposits of ice} [2013-01] |
F28F 19/008 | . | {by using scrapers} [2013-01] |
F28F 19/01 | . | by using means for separating solid materials from heat-exchange fluids, e.g. filters [2013-01] |
F28F 19/02 | . | by using coatings, e.g. vitreous or enamel coatings [2013-01] |
F28F 19/04 | . . | of rubber; of plastics material; of varnish [2013-01] |
F28F 19/06 | . . | of metal [2013-01] |
F28F 21/00 | Constructions of heat-exchange apparatus characterised by the selection of particular materials {(coatings for modifying heat-transfer F28F 13/18; coatings for preventing the formation of deposits or corrosion F28F 19/02)} [2013-01] |
F28F 21/003 | . | {for domestic or space-heating systems} [2013-01] |
F28F 21/006 | . | {of glass} [2013-01] |
F28F 21/02 | . | of carbon, e.g. graphite [2013-01] |
F28F 21/04 | . | of ceramic; of concrete; of natural stone [2013-01] |
F28F 21/045 | . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/06 | . | of plastics material [2013-01] |
F28F 21/061 | . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/062 | . . | {the heat-exchange apparatus employing tubular conduits} [2013-01] |
F28F 21/063 | . . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/065 | . . | {the heat-exchange apparatus employing plate-like or laminated conduits} [2013-01] |
F28F 21/066 | . . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/067 | . . | {Details} [2013-01] |
F28F 21/068 | . . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/08 | . | of metal [2013-01] |
F28F 21/081 | . . | {Heat exchange elements made from metals or metal alloys} [2013-01] |
F28F 21/082 | . . . | {from steel or ferrous alloys} [2013-01] |
F28F 21/083 | . . . . | {from stainless steel} [2013-01] |
F28F 21/084 | . . . | {from aluminium or aluminium alloys} [2013-01] |
F28F 21/085 | . . . | {from copper or copper alloys} [2013-01] |
F28F 21/086 | . . . | {from titanium or titanium alloys} [2013-01] |
F28F 21/087 | . . . | {from nickel or nickel alloys} [2013-01] |
F28F 21/088 | . . | {for domestic or space-heating systems} [2013-01] |
F28F 21/089 | . . | {Coatings, claddings or bonding layers made from metals or metal alloys (F28F 19/06 takes precedence)} [2013-01] |
F28F 23/00 | Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K 5/00) [2013-01] |
F28F 23/02 | . | Arrangements for obtaining or maintaining same in a liquid state [2013-01] |
F28F 25/00 | Component parts of trickle coolers (arrangements for increasing heat transfer F28F 13/00; controlling arrangements F28F 27/00) [2013-01] |
F28F 2025/005 | . | {Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid} [2013-01] |
F28F 25/02 | . |
F28F 25/04 | . . | Distributing or accumulator troughs [2013-01] |
F28F 25/06 | . . | Spray nozzles or spray pipes [2013-01] |
F28F 25/08 | . . | Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface (packing elements per se B01J 19/30, B01J 19/32) [2013-01] |
F28F 25/082 | . . . | {Spaced elongated bars, laths; Supports therefor} [2013-01] |
F28F 25/085 | . . . | {Substantially horizontal grids; Blocks} [2013-01] |
F28F 25/087 | . . . | {Vertical or inclined sheets; Supports or spacers} [2013-01] |
F28F 25/10 | . | for feeding gas or vapour [2013-01] |
F28F 25/12 | . . | Ducts; Guide vanes, e.g. for carrying currents to distinct zones [2013-01] |
F28F 27/00 | Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (control arrangements in general G05) [2013-01] |
F28F 27/003 | . | {specially adapted for cooling towers} [2013-01] |
F28F 27/006 | . | {specially adapted for regenerative heat-exchange apparatus} [2013-01] |
F28F 27/02 | . | for controlling the distribution of heat-exchange media between different channels ({static flow control means in header boxes F28F 9/026}; arrangements of guide plates or guide vanes F28F 9/22, F28F 25/12) [2013-01] |
F28F 99/00 | Subject matter not provided for in other groups of this subclass [2013-01] |
F28F 2200/00 | Prediction; Simulation; Testing [2024-08] |
F28F 2200/005 | . | Testing heat pipes [2013-01] |
F28F 2210/00 | Heat exchange conduits [2013-01] |
F28F 2210/02 | . | with particular branching, e.g. fractal conduit arrangements [2013-01] |
F28F 2210/04 | . | Arrangements of conduits common to different heat exchange sections, the conduits having channels for different circuits [2013-01] |
F28F 2210/06 | . | having walls comprising obliquely extending corrugations, e.g. in the form of threads [2013-01] |
F28F 2210/08 | . | Assemblies of conduits having different features [2013-01] |
F28F 2210/10 | . | Particular layout, e.g. for uniform temperature distribution [2013-01] |
F28F 2215/00 | Fins [2013-01] |
F28F 2215/02 | . | Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media [2013-01] |
F28F 2215/04 | . | Assemblies of fins having different features, e.g. with different fin densities [2013-01] |
F28F 2215/06 | . | Hollow fins; fins with internal circuits [2013-01] |
F28F 2215/08 | . | with openings, e.g. louvers [2024-08] |
F28F 2215/10 | . | Secondary fins, e.g. projections or recesses on main fins [2013-01] |
F28F 2215/12 | . | with U-shaped slots for laterally inserting conduits [2013-01] |
F28F 2215/14 | . | in the form of movable or loose fins [2013-01] |
F28F 2220/00 | Closure means, e.g. end caps on header boxes or plugs on conduits [2013-01] |
F28F 2225/00 | Reinforcing means [2013-01] |
F28F 2225/02 | . | for casings [2013-01] |
F28F 2225/04 | . | for conduits [2013-01] |
F28F 2225/06 | . | for fins [2013-01] |
F28F 2225/08 | . | for header boxes [2013-01] |
F28F 2230/00 | Sealing means [2013-01] |
F28F 2235/00 | Means for filling gaps between elements, e.g. between conduits within casings [2013-01] |
F28F 2240/00 | Spacing means [2013-01] |
F28F 2245/00 | Coatings; Surface treatments [2013-01] |
F28F 2245/02 | . | hydrophilic [2013-01] |
F28F 2245/04 | . | hydrophobic [2013-01] |
F28F 2245/06 | . | having particular radiating, reflecting or absorbing features, e.g. for improving heat transfer by radiation [2013-01] |
F28F 2245/08 | . | self-cleaning [2013-01] |
F28F 2250/00 | Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns [2024-08] |
F28F 2250/02 | . | Streamline-shaped elements [2013-01] |
F28F 2250/04 | . | Communication passages between channels [2013-01] |
F28F 2250/06 | . | Derivation channels, e.g. bypass [2013-01] |
F28F 2250/08 | . | Fluid driving means, e.g. pumps, fans [2013-01] |
F28F 2250/10 | . | Particular pattern of flow of the heat exchange media [2013-01] |
F28F 2250/102 | . . | with change of flow direction [2013-01] |
F28F 2250/104 | . . | with parallel flow [2013-01] |
F28F 2250/106 | . . | with cross flow [2013-01] |
F28F 2250/108 | . . | with combined cross flow and parallel flow [2013-01] |
F28F 2255/00 | Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes [2013-01] |
F28F 2255/02 | . | Flexible elements [2013-01] |
F28F 2255/04 | . | comprising shape memory alloys or bimetallic elements [2013-01] |
F28F 2255/06 | . | composite, e.g. polymers with fillers or fibres [2013-01] |
F28F 2255/08 | . | pressed; stamped; deep-drawn [2013-01] |
F28F 2255/10 | . | made by hydroforming [2013-01] |
F28F 2255/12 | . | expanded or perforated metal plate [2013-01] |
F28F 2255/14 | . | molded [2013-01] |
F28F 2255/143 | . . | injection molded [2013-01] |
F28F 2255/146 | . . | overmolded [2013-01] |
F28F 2255/16 | . | extruded [2013-01] |
F28F 2255/18 | . | sintered [2013-01] |
F28F 2255/20 | . | with nanostructures [2013-01] |
F28F 2260/00 | Heat exchangers or heat exchange elements having special size, e.g. microstructures [2024-08] |
F28F 2260/02 | . | having microchannels [2013-01] |
F28F 2265/00 | Safety or protection arrangements; Arrangements for preventing malfunction [2024-08] |
F28F 2265/02 | . | in the form of screens or covers [2024-08] |
F28F 2265/06 | . | by using means for draining heat exchange media from heat exchangers [2013-01] |
F28F 2265/10 | . | for preventing overheating, e.g. heat shields [2024-08] |
F28F 2265/12 | . | for preventing overpressure [2013-01] |
F28F 2265/14 | . | for preventing damage by freezing, e.g. for accommodating volume expansion [2013-01] |
F28F 2265/16 | . | for preventing leakage [2013-01] |
F28F 2265/18 | . | for removing contaminants, e.g. for degassing [2013-01] |
F28F 2265/20 | . | for preventing development of microorganisms [2013-01] |
F28F 2265/22 | . | for draining [2013-01] |
F28F 2265/24 | . | for electrical insulation [2013-01] |
F28F 2265/26 | . | for allowing differential expansion between elements [2024-08] |
F28F 2265/28 | . | for preventing noise [2024-08] |
F28F 2265/30 | . | for preventing vibrations [2013-01] |
F28F 2265/32 | . | for limiting movements, e.g. stops, locking means [2013-01] |
F28F 2270/00 | Thermal insulation; Thermal decoupling [2013-01] |
F28F 2270/02 | . | by using blind conduits [2013-01] |
F28F 2275/00 | Fastening; Joining [2013-01] |
F28F 2275/02 | . | by using bonding materials; by embedding elements in particular materials [2024-08] |
F28F 2275/025 | . . | by using adhesives [2013-01] |
F28F 2275/04 | . | by brazing [2024-08] |
F28F 2275/045 | . . | with particular processing steps, e.g. by allowing displacement of parts during brazing or by using a reservoir for storing brazing material [2013-01] |
F28F 2275/06 | . | by welding [2024-08] |
F28F 2275/061 | . . | by diffusion bonding [2013-01] |
F28F 2275/062 | . . | by impact pressure or friction welding [2013-01] |
F28F 2275/064 | . . | by induction welding or by using microwaves [2013-01] |
F28F 2275/065 | . . | by ultrasonic or vibration welding [2013-01] |
F28F 2275/067 | . . | by laser welding [2013-01] |
F28F 2275/068 | . . | by explosive welding [2013-01] |
F28F 2275/08 | . | by clamping or clipping [2013-01] |
F28F 2275/085 | . . | with snap connection [2013-01] |
F28F 2275/10 | . | by force joining [2013-01] |
F28F 2275/12 | . | by methods involving deformation of the elements [2013-01] |
F28F 2275/122 | . . | by crimping, caulking or clinching [2013-01] |
F28F 2275/125 | . . | by bringing elements together and expanding [2013-01] |
F28F 2275/127 | . . | by shrinking [2013-01] |
F28F 2275/14 | . | by using form fitting connection, e.g. with tongue and groove [2013-01] |
F28F 2275/143 | . . | with pin and hole connections [2013-01] |
F28F 2275/146 | . . | with bayonet connections [2013-01] |
F28F 2275/16 | . | with toothed elements, e.g. with serrations [2013-01] |
F28F 2275/18 | . | by using wedge effect [2013-01] |
F28F 2275/20 | . | with threaded elements [2013-01] |
F28F 2275/205 | . . | with of tie-rods [2013-01] |
F28F 2275/22 | . | by using magnetic effect [2013-01] |
F28F 2280/00 | Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts [2013-01] |
F28F 2280/02 | . | Removable elements [2013-01] |
F28F 2280/04 | . | Means for preventing wrong assembling of parts [2013-01] |
F28F 2280/06 | . | Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections [2013-01] |
F28F 2280/08 | . | Tolerance compensating means [2013-01] |
F28F 2280/10 | . | Movable elements, e.g. being pivotable [2024-08] |
F28F 2280/105 | . . | with hinged connections [2013-01] |