IPC-Stelle: F28F 1/36 [Version 2017.01]

SymbolTypTitel
FSKMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F28KLHEAT EXCHANGE IN GENERAL
F28FUKLDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; water or air traps, air venting F16)
F28F 1/00HGRTubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) [1, 2006.01]
F28F 1/02UGR1
.Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/10 take precedence) [1, 2006.01]
F28F 1/04UGR2
. .polygonal, e.g. rectangular [1, 2006.01]
F28F 1/06UGR2
. .crimped or corrugated in cross-section [1, 2006.01]
F28F 1/08UGR1
.Tubular elements crimped or corrugated in longitudinal section [1, 2006.01]
F28F 1/10UGR1
.Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F 1/06, F28F 1/08) [1, 2006.01]
F28F 1/12UGR2
. .the means being only outside the tubular element [1, 2006.01]
F28F 1/14UGR3
. . .and extending longitudinally (F28F 1/38 takes precedence) [1, 2006.01]
F28F 1/16UGR4
. . . .the means being integral with the element, e.g. formed by extrusion (F28F 1/22 takes precedence) [1, 2006.01]
F28F 1/18UGR5
. . . . .the element being built-up from finned sections [1, 2006.01]
F28F 1/20UGR4
. . . .the means being attachable to the element (F28F 1/22 takes precedence) [1, 2006.01]
F28F 1/22UGR4
. . . .the means having portions engaging further tubular elements [1, 2006.01]
F28F 1/24UGR3
. . .and extending transversely (F28F 1/38 takes precedence) [1, 2006.01]
F28F 1/26UGR4
. . . .the means being integral with the element (F28F 1/32 takes precedence) [1, 2006.01]
F28F 1/28UGR5
. . . . .the element being built-up from finned sections [1, 2006.01]
F28F 1/30UGR4
. . . .the means being attachable to the element (F28F 1/32 takes precedence) [1, 2006.01]
F28F 1/32UGR4
. . . .the means having portions engaging further tubular elements [1, 2006.01]
F28F 1/34UGR3
. . .and extending obliquely (F28F 1/38 takes precedence) [1, 2006.01]
F28F 1/36UGR4
. . . .the means being helically-wound fins or wire spirals [1, 2006.01]
F28F 1/38UGR3
. . .and being staggered to form tortuous fluid passages [1, 2006.01]
F28F 1/40UGR2
. .the means being only inside the tubular element [1, 2006.01]
F28F 1/42UGR2
. .the means being both outside and inside the tubular element [1, 2006.01]
F28F 1/44UGR3
. . .and being formed of wire mesh [1, 2006.01]
F28F 3/00HGRPlate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F 5/00) [1, 2006.01]
F28F 3/02UGR1
.Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F 3/08 takes precedence) [1, 2006.01]
F28F 3/04UGR2
. .the means being integral with the element [1, 2006.01]
F28F 3/06UGR2
. .the means being attachable to the element [1, 2006.01]
F28F 3/08UGR1
.Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning [1, 2006.01]
F28F 3/10UGR2
. .Arrangement for sealing the margins [1, 2006.01]
F28F 3/12UGR1
.Elements constructed in the shape of a hollow panel, e.g. with channels [1, 2006.01]
F28F 3/14UGR2
. .by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P) [1, 2006.01]
F28F 5/00HGRElements specially adapted for movement (arrangements for moving the elements, see the appropriate subclass for the apparatus concerned) [1, 2006.01]
F28F 5/02UGR1
.Rotary drums or rollers [1, 2006.01]
F28F 5/04UGR1
.Hollow impellers, e.g. stirring vane [1, 2006.01]
F28F 5/06UGR1
.Hollow screw conveyors [1, 2006.01]
F28F 7/00HGRElements not covered by group F28F 1/00, F28F 3/00, or F28F 5/00 [1, 2006.01]
F28F 7/02UGR1
.Blocks traversed by passages for heat-exchange media [1, 2006.01]
F28F 9/00HGRCasings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings [1, 2006.01]
F28F 9/007UGR1
.Auxiliary supports for elements [6, 2006.01]
F28F 9/013UGR2
. .for tubes or tube-assemblies [6, 2006.01]
F28F 9/02UGR1
.Header boxes; End plates [1, 2006.01]
F28F 9/04UGR2
. .Arrangements for sealing elements into header boxes or end plates (joining pipes to walls in general F16L 41/00) [1, 2006.01]
F28F 9/06UGR3
. . .by dismountable joints [1, 2006.01]
F28F 9/08UGR4
. . . .by wedge-type connections, e.g. taper ferrule [1, 2006.01]
F28F 9/10UGR4
. . . .by screw-type connections, e.g. gland [1, 2006.01]
F28F 9/12UGR4
. . . .by flange-type connections [1, 2006.01]
F28F 9/14UGR4
. . . .by force-joining [1, 2006.01]
F28F 9/16UGR3
. . .by permanent joints, e.g. by rolling (metal-working procedures in general B21, B23, particularly B21D 39/06, B23K) [1, 2006.01]
F28F 9/18UGR4
. . . .by welding [1, 2006.01]
F28F 9/20UGR1
.Arrangements of heat reflectors, e.g. separately-insertible reflecting walls [1, 2006.01]
F28F 9/22UGR1
.Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates [1, 2006.01]
F28F 9/24UGR1
.Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates (F28F 1/38 takes precedence; in general F15D) [1, 2006.01]
F28F 9/26UGR1
.Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H 9/14) [1, 2006.01]
F28F 11/00HGRArrangements for sealing leaky tubes or conduits (stopping flow from or in pipes in general F16L 55/10) [1, 2006.01]
F28F 11/02UGR1
.using obturating elements, e.g. washers, inserted and operated independently of each other (F28F 11/06 takes precedence) [1, 2006.01]
F28F 11/04UGR1
.using pairs of obturating elements, e.g. washers, mounted upon central operating rods (F28F 11/06 takes precedence) [1, 2006.01]
F28F 11/06UGR1
.using automatic tube-obturating appliances [1, 2006.01]
F28F 13/00HGRArrangements for modifying heat transfer, e.g. increasing, decreasing (F28F 1/00-F28F 11/00 take precedence) [1, 2006.01]
F28F 13/02UGR1
.by influencing fluid boundary (boundary-layer control in general F15D) [1, 2006.01]
F28F 13/04UGR1
.by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation [1, 2006.01]
F28F 13/06UGR1
.by affecting the pattern of flow of the heat-exchange media [1, 2006.01]
F28F 13/08UGR2
. .by varying the cross-section of the flow channels [1, 2006.01]
F28F 13/10UGR2
. .by imparting a pulsating motion to the flow, e.g. by sonic vibration [1, 2006.01]
F28F 13/12UGR2
. .by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F 13/08 takes precedence) [1, 2006.01]
F28F 13/14UGR1
.by endowing the walls of conduits with zones of different degrees of conduction of heat [1, 2006.01]
F28F 13/16UGR1
.by applying an electrostatic field to the body of the heat-exchange medium [1, 2006.01]
F28F 13/18UGR1
.by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing [1, 2006.01]
F28F 17/00HGRRemoving ice or water from heat-exchange apparatus [1, 2006.01]
F28F 19/00HGRPreventing the formation of deposits or corrosion, e.g. by using filters [1, 2006.01]
F28F 19/01UGR1
.by using means for separating solid materials from heat-exchange fluids, e.g. filters [6, 2006.01]
F28F 19/02UGR1
.by using coatings, e.g. vitreous or enamel coatings [1, 2006.01]
F28F 19/04UGR2
. .of rubber; of plastics material; of varnish [1, 2006.01]
F28F 19/06UGR2
. .of metal [1, 2006.01]
F28F 21/00HGRConstructions of heat-exchange apparatus characterised by the selection of particular materials [1, 2006.01]
F28F 21/02UGR1
.of carbon, e.g. graphite [1, 2006.01]
F28F 21/04UGR1
.of ceramic; of concrete; of natural stone [1, 2006.01]
F28F 21/06UGR1
.of plastics material [1, 2006.01]
F28F 21/08UGR1
.of metal [1, 2006.01]
F28F 23/00HGRFeatures relating to the use of intermediate heat-exchange materials, e.g. selection of compositions [1, 2006.01]
F28F 23/02UGR1
.Arrangements for obtaining or maintaining same in a liquid state [1, 2006.01]
F28F 25/00HGRComponent parts of trickle coolers (arrangements for increasing heat transfer F28F 13/00; controlling arrangements F28F 27/00) [1, 2006.01]
F28F 25/02UGR1
.for distributing, circulating, or accumulating liquid (spraying or atomising in general B05B, B05D) [1, 2006.01]
F28F 25/04UGR2
. .Distributing or accumulator troughs [1, 2006.01]
F28F 25/06UGR2
. .Spray nozzles or spray pipes [1, 2006.01]
F28F 25/08UGR2
. .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 in general B01J 19/30, B01J 19/32) [1, 2006.01]
F28F 25/10UGR1
.for feeding gas or vapour [1, 2006.01]
F28F 25/12UGR2
. .Ducts; Guide vanes, e.g. for carrying currents to distinct zones [1, 2006.01]
F28F 27/00HGRControl arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus [1, 2006.01]
F28F 27/02UGR1
.for controlling the distribution of heat-exchange media between different channels (arrangements of guide plates or guide vanes F28F 9/22, F28F 25/12) [1, 2006.01]
F28F 99/00HGRSubject matter not provided for in other groups of this subclass [2006.01]