F28F   1/00		ɾǡɾǤΩΡʱưѤäŬΣƣƣ	Tubular elements; Assemblies of tubular elements(specially adapted for movement <b>F28F5/00</b>)	6771
F28F   1/02		̤߷δɾǡʣƣƣƣƣͥ	Tubular elements of cross-section which is non-circular(<b>F28F1/08</b>, <b>F28F1/10</b> take precedence)	7195
F28F   1/04		¿ѷ㡥Ĺ	polygonal, e.g. rectangular	1298
F28F   1/06		̤ˤƤ¤餻ޤȷˤ	crimped or corrugated in cross-section	859
F28F   1/08		Ĺ̤ˤƤ¤餻ޤȷˤɾ	Tubular elements crimped or corrugated in longitudinal section	1873
F28F   1/10		ǮãѤä뤿μʤĴɾǤޤϤΩΡ㡥եġͽġߤĤΡʤ¤餻ޤȷˤɾǣƣƣƣƣ	Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses(crimped or corrugated elements <b>F28F1/06</b>, <b>F28F1/08</b>)	3742
F28F   1/12		ʤɾǤγ̤Τߤˤ	the means being only outside the tubular element	6931
F28F   1/14		Ĺ˱ߤΡʣƣƣͥ	and extending longitudinally(<b>F28F1/38</b> takes precedence)	1388
F28F   1/16		ʤǤȰΤǤ롤㡥ˡˤ줿Ρʣƣƣͥ	the means being integral with the element, e.g. formed by extrusion(<b>F28F1/22</b> takes precedence)	1028
F28F   1/18		Ǥեդ줿ʬȤ߾夲Ƥ	the element being built-up from finned sections	569
F28F   1/20		ʤǤ˼ղǽǤΡʣƣƣͥ	the means being attachable to the element(<b>F28F1/22</b> takes precedence)	1202
F28F   1/22		ʤɾǤˤ˷礹ʬĤ	the means having portions engaging further tubular elements	1127
F28F   1/24		Ĳ˱ߤΡʣƣƣͥ	and extending transversely(<b>F28F1/38</b> takes precedence)	2545
F28F   1/26		ʤǤȰΤǤΡʣƣƣͥ	the means being integral with the element(<b>F28F1/32</b> takes precedence)	715
F28F   1/28		Ǥեդ줿ʬȤ߾夲Ƥ	the element being built-up from finned sections	689
F28F   1/30		ʤǤ˼ղǽǤΡʣƣƣͥ	the means being attachable to the element(<b>F28F1/32</b> takes precedence)	4315
F28F   1/32		ʤɾǤˤ˷礹ʬĤ	the means having portions engaging further tubular elements	10312
F28F   1/34		ļйԤƱߤΡʣƣƣͥ	and extending obliquely(<b>F28F1/38</b> takes precedence)	795
F28F   1/36		ʤ˴줿եǤޤϥ磻αǤ	the means being helically-wound fins or wire spirals	2829
F28F   1/38		ĸߤ㤤֤ƶʤ꤯ͤäήϩ	and being staggered to form tortuous fluid passages	164
F28F   1/40		ʤɾǤ¦Τߤˤ	the means being only inside the tubular element	6621
F28F   1/42		ʤɾǤ¦ȳ¦ξˤ	the means being both outside and inside the tubular element	3294
F28F   1/44		Ķ֤줿	and being formed of wire mesh	83
F28F   3/00		ľΤޤؤ줿ǡľΤޤؤ줿ǤΩΡʱưѤäŬ礹ǣƣƣ	Plate-like or laminated elements; Assemblies of plate-like or laminated elements(specially adapted for movement <b>F28F5/00</b>)	5476
F28F   3/02		ǮãѤä뤿μʤǤޤϤΩΡ㡥եġߤġȾĤΡʣƣƣͥ	Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations(<b>F28F3/08</b> takes precedence)	7639
F28F   3/04		ʤǤȰΤǤ	the means being integral with the element	5986
F28F   3/06		ʤǤ˼ղǽǤ	the means being attachable to the element	1983
F28F   3/08		ΤȤ߾夲뤿˹줿ǡ㡥ݤΤʬΥ뤳ȤǤ	Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning	8982
F28F   3/10		̩뤿	Arrangement for sealing the margins	2187
F28F   3/12		ѥͥη˹줿ǡ㡥ϩĤ	Elements constructed in the shape of a hollow panel, e.g. with channels	4368
F28F   3/14		ФܹĤΰʬΥơ㡥ĥˤäơϩΡʤ¤£С	by separating portions of a pair of joined sheets to form channels, e.g. by inflation(manufacture thereof <b>B23P</b>)	907
F28F   5/00		ưѤäŬ礹ǡΣ	Elements specially adapted for movement	834
F28F   5/02		žɥޤϥ	Rotary drums or rollers	710
F28F   5/04		֡㡥ޤ	Hollow impellers, e.g. stirring vane	472
F28F   5/06		ͤ٥	Hollow screw conveyors	164
F28F   7/00		롼ףƣƣƣƣޤϣƣƣޤʤ	Elements not covered by group <b>F28F1/00</b>, <b>F28F3/00</b>, or <b>F28F5/00</b>	4055
F28F   7/02		ǮΤϩڤ	Blocks traversed by passages for heat-exchange media	1064
F28F   9/00		ȢɴȢǤٻ񡨳Ȣ	Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings	22716
F28F   9/007		ǤΤٻΣ	Auxiliary supports for elements	7340
F28F   9/013		ɤޤϴΩΤΤΤΡΣ	for tubes or tube-assemblies	8551
F28F   9/02		ɴȢü	Header boxes; End plates	22797
F28F   9/04		ɴȢޤüؤǤ򥷡뤹뤿֡ΤФɤϢ̣ƣ̣	Arrangements for sealing elements into header boxes or end plates(joining pipes to walls in general <b>F16L41/00</b>)	2875
F28F   9/06		ϤǤѤˤ	by dismountable joints	1373
F28F   9/08		ӷϢˤΡ㡥ơѥե롼	by wedge-type connections, e.g. taper ferrule	147
F28F   9/10		ͤϢˤΡ㡥ѥå󲡤	by screw-type connections, e.g. gland	2897
F28F   9/12		ե󥸷Ϣˤ	by flange-type connections	1425
F28F   9/14		ܹˤ	by force-joining	397
F28F   9/16		ʵŪѤˤΡ㡥ˤΡʶ°ùˡ̣££äˣ£ģ£ˡ	by permanent joints, e.g. by rolling(metal-working procedures in general <b>B21</b>, <b>B23</b>, particularly <b>B21D39/06</b>, <b>B23K</b>)	1722
F28F   9/18		ܤˤ	by welding	4956
F28F   9/20		Ǯȿʹ֡㡥̸Ĥˤߤȿ	Arrangements of heat reflectors, e.g. separately-insertible reflecting walls	186
F28F   9/22		Ϣ³ǮΤƳ֡㡥Ĥ	Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates	11475
F28F   9/24		ǮΤή¥ʤΤ֡㡥ĤˤΡʣƣƣͥ表ŪʤΣƣġ	Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates(<b>F28F1/38</b> takes precedence; in general <b>F15D</b>)	7194
F28F   9/26		Ǯǡ㡥ǮΰۤʤäʬϢ뤹뤿֡ʿǮˤۤʤäʬϢƣȣ	Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators(connecting different sections in water heaters <b>F24H9/14</b>)	20541
F28F  11/00		ϳ䤹ɤޤƳɤ̩뤿֡ʥѥޤϥѥפή̣߰ƣ̣	Arrangements for sealing leaky tubes or conduits(stopping flow from or in pipes in general <b>F16L55/10</b>)	4460
F28F  11/02		ߤΩĺǡ㡥å㡤ѤΡʣƣƣͥ	using obturating elements, e.g. washers, inserted and operated independently of each other(<b>F28F11/06</b> takes precedence)	3095
F28F  11/04		˼դФĺǡ㡥å㡤ѤΡʣƣƣͥ	using pairs of obturating elements, e.g. washers, mounted upon central operating rods(<b>F28F11/06</b> takes precedence)	132
F28F  11/06		ưĺ֤Ѥ	using automatic tube-obturating appliances	116
F28F  13/00		Ǯã㡥á뤿֡ʣƣƣƣƣͥ	Arrangements for modifying heat transfer, e.g. increasing, decreasing(<b>F28F1/00 to F28F11/00</b>  take precedence)	4787
F28F  13/02		ήΤζ˱ƶ򤪤ܤȤˤΡʶ̣ƣġ	by influencing fluid boundary(boundary-layer control in general <b>F15D</b>)	1665
F28F  13/04		Ǯ̤ˤŽ̿Ϣ³η˸뤳ȤˤΡ㡥ũ¥ʤ뤳Ȥˤ	by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation	720
F28F  13/06		ǮΤήͼ˱ƶͿ뤳Ȥˤ	by affecting the pattern of flow of the heat-exchange media	3799
F28F  13/08		ήϩβ̤Ѥ뤳Ȥˤ	by varying the cross-section of the flow channels	1781
F28F  13/10		ήФ̮ưͿ뤳ȤˤΡ㡥ȿưˤ	by imparting a pulsating motion to the flow, e.g. by sonic vibration	548
F28F  13/12		ή򵯤ȤˤΡ㡥ޤˤΡ۴ϤäˤΡʣƣƣͥ	by creating turbulence, e.g. by stirring, by increasing the force of circulation(<b>F28F13/08</b> takes precedence)	9551
F28F  13/14		ƳɤɤǮƳ٤ΰۤʤӰĤ뤳Ȥˤ	by endowing the walls of conduits with zones of different degrees of conduction of heat	557
F28F  13/16		ǮΤžͿ뤳Ȥˤ	by applying an electrostatic field to the body of the heat-exchange medium	377
F28F  13/18		ʤŬѤ뤳ȤˤΡ㡥ǮۼǮȿ͡ɽ̽ˤΡ㡥ĤФ	by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing	3840
F28F  17/00		Ǯ֤ɹޤϿν	Removing ice or water from heat-exchange apparatus	5127
F28F  19/00		ʪηޤ忩ͽɡ㡥Ѥ	Preventing the formation of deposits or corrosion, e.g. by using filters	7654
F28F  19/01		ʪǮήΤʬΥ뤿μʤѤ뤳ȤˤΡ㡥ե륿Σ	by using means for separating solid materials from heat-exchange fluids, e.g. filters	11922
F28F  19/02		ʤࡤ㡥饹ޤϥʥ졤λѤˤ	by using coatings, e.g. vitreous or enamel coatings	3269
F28F  19/04		ࡨץ饹åʪ˥ˤ	of rubber; of plastics material; of varnish	1494
F28F  19/06		°ˤ	of metal	2399
F28F  21/00		̤κħΤǮ֤ι¤	Constructions of heat-exchange apparatus characterised by the selection of particular materials	2405
F28F  21/02		úǡ㡥	of carbon, e.g. graphite	2099
F28F  21/04		ߥå󥯥꡼ȡŷ	of ceramic; of concrete; of natural stone	2221
F28F  21/06		ץ饹å	of plastics material	4174
F28F  21/08		°	of metal	14261
F28F  23/00		ǮʪλѤ˴ؤħ㡥	Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions	884
F28F  23/02		վ֤ƱͤˤޤϰݻǤ	Arrangements for obtaining or maintaining same in a liquid state	608
F28F  25/00		弰ѴιǡǮãä뤿֣ƣƣ֣ƣƣ	Component parts of trickle coolers(arrangements for increasing heat transfer <b>F28F13/00</b>; controlling arrangements <b>F28F27/00</b>)	4946
F28F  25/02		Τʬۤ롢۴Ĥޤα뤿ΤΡʮͤޤʮ̸̣£¡£ġ	for distributing, circulating, or accumulating liquid(spraying or atomising in general <b>B05B</b>, <b>B05D</b>)	4971
F28F  25/04		ʬۤޤϼդȤ	Distributing or accumulator troughs	2736
F28F  25/06		ʮͥΥޤʮͥѥ	Spray nozzles or spray pipes	6258
F28F  25/08		ϤͤĤޤϳʻҡ㡥ʮͤѤ뤿ΤΡܿѤä뤿ǤޤϾʽŶǰ̣£ʣ£ʣ	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 <b>B01J19/30</b>, <b>B01J19/32</b>)	5748
F28F  25/10		ޤϾ򶡵뤹뤿Τ	for feeding gas or vapour	2991
F28F  25/12		ȡⱩ㡥̤ζή򱿤֤Τ	Ducts; Guide vanes, e.g. for carrying currents to distinct zones	1984
F28F  27/00		Ǯ򴹤ޤǮã֤ΤäŬ֤ޤϰ	Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus	19195
F28F  27/02		ۤʤήϩ֤ǮΤʬۤ椹뤿ΤΡʰĤޤϰⱩ֣ƣƣƣƣ	for controlling the distribution of heat-exchange media between different channels(arrangements of guide plates or guide vanes <b>F28F9/22</b>, <b>F28F25/12</b>)	5094
F28F  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	142
