F24D   1/00		˼ϰ˼ƣģǮΤ줿ǮѤ˼ƣģˡΣ	Steam central heating systems(district heating systems <b>F24D10/00</b>; central heating systems using heat accumulated in storage masses <b>F24D11/00</b>)	1278
F24D   1/02		ǺѤ	operating with live steam	398
F24D   1/04		ӽоǺѤ	operating with exhaust steam	170
F24D   1/06		ǮǺѤ	operating with superheated steam	78
F24D   1/08		۴֡㡥ñ֤	Feed-line arrangements, e.g. providing for one-pipe system	666
F24D   3/00		˼ϰ˼ƣģǮΤ줿ǮѤ˼ƣģˡΣ	Hot-water central heating systems(district heating systems <b>F24D10/00</b>; central heating systems using heat accumulated in storage masses <b>F24D11/00</b>)	8906
F24D   3/02		۴ĤˤΡ㡥ݥפˤΡʥݥפι¤ƣ	with forced circulation, e.g. by pumps	6184
F24D   3/04		ⰵˤ	with the water under high pressure	338
F24D   3/06		ⰵ³뤿ޤ	Arrangements or devices for maintaining high pressure	223
F24D   3/08		Ѳ嶡Τȷ礹	in combination with systems for domestic hot-water supply	5937
F24D   3/10		۴֡㡥Ǯ¢塤ĥ	Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks	12915
F24D   3/12		ŷ桤ɡޤϾ˼Ѥδɤӥѥͥ֡ŵŪʾ˼ƣģˡΣ	Tube and panel arrangements for ceiling, wall, or underfloor heating (electric underfloor heating <b>F24D13/02</b>)	4351
F24D   3/14		ŷ桤ɤޤϾȤ߹ޤ줿ΡΣ	incorporated in a ceiling, wall or floor	6311
F24D   3/16		ŷ桤ɤޤϾľܤޤܤƼդ줿ΡΣ	mounted on, or adjacent to, a ceiling, wall or floor	4953
F24D   3/18		ҡȥݥפѤΡΣ	using heat pumps	6177
F24D   5/00		˼ϰ˼ƣģǮΤ줿ǮѤ˼ƣģĴƣơˡӵ˼Σ	Hot-air central heating systems(district heating systems <b>F24D10/00</b>; central heating systems using heat accumulated in storage masses <b>F24D11/00</b>; air conditioning <b>F24F</b>);Exhaust-gas central heating systems	2375
F24D   5/02		˼Τޤϰ˲ФƺѤ	operating with discharge of hot air into the space or area to be heated	2895
F24D   5/04		βǮ˶	with return of the air to the air heater	892
F24D   5/06		˼Τޤϰ˲ФʤǺѤ	operating without discharge of hot air into the space or area to be heated	147
F24D   5/08		Ǯ̤äƳ	with hot air led through radiators	637
F24D   5/10		ɡޤŷɤ̤äƳ	with hot air led through heat-exchange ducts in the walls, floor, or ceiling	1306
F24D   5/12		ҡȥݥפѤΡΣ	using heat pumps	461
F24D   7/00		롼ףƣģƣģޤʤǮήΤѤ˼㡥ޤϥϰ˼ƣģǮΤ줿ǮѤ˼ƣģˡΣ	Central heating systems employing heat-transfer fluids not covered by groups <b>F24D1/00 to F24D5/00</b> , e.g. oil, salt or gas (district heating systems <b>F24D10/00</b>;  central heating systems using heat accumulated in storage masses <b>F24D11/00</b>)	1677
F24D   9/00		롼ףƣģƣģΣİʾޤ롤ǮήΤȹ礻Ѥ˼ϰ˼ƣģǮΤ줿ǮѤ˼ƣģˡΣ	Central heating systems employing combinations of heat-transfer fluids covered by two or more of groups <b>F24D1/00 to F24D7/00</b> (district heating systems <b>F24D10/00</b>; central heating systems using heat accumulated in storage masses <b>F24D11/00</b>)	462
F24D   9/02		Ⱦ	Hot water and steam systems	230
F24D  10/00		ϰ˼Σ	District heating systems	1645
F24D  11/00		ǮΤ줿ǮѤ˼ʼ¢Ǯ˼˥åȣƣģˡΣ	Central heating systems using heat accumulated in storage masses(self-contained storage heating units <b>F24D15/02</b>)	7153
F24D  11/02		ҡȥݥפѤ	using heat pumps	3850
F24D  12/00		¾˼	Other central heating systems	787
F24D  12/02		İʾβǮͭΡʥҡȥݥפѤΡ˼ˤΣƣģ˼ˤΣƣģǮΤѤ륷ƥˤΣƣģˡΣ	having more than one heat source (using heat pumps, in water central heating systems <b>F24D3/18</b>; in air central heating systems <b>F24D5/12</b>; in systems using heat storage masses <b>F24D11/02</b>)	2481
F24D  13/00		ŵ˼Σ	Electric heating systems	12062
F24D  13/02		ñ񹳲ǮλѤˤ	solely using resistance heating, e.g. underfloor heating	20676
F24D  13/04		ˤ륻ѥ졼ȥ˥åǮήΤŵǮ	using electric heating of heat-transfer fluid in separate units of the system	6542
F24D  15/00		¾βѤޤ϶˼Σ	Other domestic- or space-heating systems	11111
F24D  15/02		Ǯ˥åȤ¢Τ˼㡥Ǯ˼Σ	consisting of self-contained heating units, e.g. storage heaters	8543
F24D  15/04		ҡȥݥפѤΡΣ	using heat pumps	3731
F24D  17/00		Ѳ嶡Σ	Domestic hot-water supply systems	13291
F24D  17/02		ҡȥݥפѤΡΣ	using heat pumps	2973
F24D  18/00		˼˼ޤϲѲ嶡äŬ礹뾮ϤǮʻΣãȣСϥƥΣ<br><br><b><ul></ul></b><br>Υ롼פˤƤϡ롼ףƣģƣģΥǥ󥰥ɤղä뤳Ȥ˾ޤΣ	Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply; <br><br><b><u>Note(s)</u></b><br><br><ul><li>In this group, it is desirable to add the indexing codes of groups <b>F24D101/00 to F24D105/00</b> .</li></ul>	2155
F24D  19/00		ʿǮޤ϶Ǯ˴ؤΣƣȣŪǮ򴹤Ǯã֤˴ؤΣƣơˡΣ	Details(of water or air heaters <b>F24H9/00</b>; of heat-exchange or heat-transfer apparatus, of general application <b>F28F</b>)	26428
F24D  19/02		ǮΤμնޤϻٻ֡Σ	Arrangement of mountings or supports for radiators	9344
F24D  19/04		ˤΡΣ	in skirtings	514
F24D  19/06		ǮΤΥ󥰡ޤѥͥΣ	Casings, cover lids or ornamental panels, for radiators	7258
F24D  19/08		ӿ塤ӵޤϵ۵뤿֡ӵޤϵ۵ΤΤΣƣˣˡΣ	Arrangements for drainage, venting or aerating  (valves for venting or aerating <b>F16K24/00</b>)	4485
F24D  19/10		ޤϰ֤֤ޤϼաʲǮΤߤ椵ƤΣƣȣˡΣ	Arrangement or mounting of control or safety devices (only the heater being controlled <b>F24H9/20</b>)	45209
F24D 101/00		ϤǮʻΣãȣСϥƥȯŵΣ	Electric generators of small-scale CHP systems	7
F24D 101/10		ӥ󡨾ؤޤϾݥӥ󡨿ϥӥ㡥ƻɤˤΡΣ	Gas turbines; Steam engines or steam turbines; Water turbines, e.g. located in water pipes	439
F24D 101/20		ϥӥΣ	Wind turbines	110
F24D 101/30		ǳӡΣ	Fuel cells	87
F24D 101/40		۸ȯšΣУ֡ϥ⥸塼Σ	Photovoltaic [PV] modules	408
F24D 101/50		ǮϡΣԣУ֡ϥ⥸塼Σ	Thermophotovoltaic [TPV] modules	145
F24D 101/60		Ǯȯŵ㡥ڥǻҤޤϥ٥åǻҡΣ	Thermoelectric generators, e.g. Peltier or Seebeck elements	30
F24D 101/70		ǳءΣɣãšϤˤưȯŵΣ	Electric generators driven by internal combustion engines [ICE]	19
F24D 101/80		ǳؤˤưȯŵ㡥󥰥󥸥Σ	Electric generators driven by external combustion engines, e.g. Stirling engines	6
F24D 103/00		ϤǮʻΣãȣСϥƥǮδΣ	Thermal aspects of small-scale CHP systems	3
F24D 103/10		Ǯ˥åȤħΤ뾮ϤǮʻΣãȣСϥƥΣ	Small-scale CHP systems characterised by their heat recovery units	33
F24D 103/13		Ǯ򴹴ħΤΡΣ	characterised by their heat exchangers	71
F24D 103/17		¢󥯡Σ	Storage tanks	34
F24D 103/20		Ǯ٤뤿ɲǮΣ	Additional heat sources for supporting thermal peak loads	6
F24D 105/00		ϤǮʻΣãȣСϥƥι¤δΣ	Constructional aspects of small-scale CHP systems	4
F24D 105/10		ײΣ	Sound insulation	3
