F23N   1/00		ǳĴ	Regulating fuel supply	12084
F23N   1/02		ȤȤ˹Ԥʤ	conjointly with air supply	8032
F23N   1/04		뤪Ȥ˹Ԥʤ	conjointly with air supply and with draught	347
F23N   1/06		ȤȤ˹Ԥʤ	conjointly with draught	329
F23N   1/08		¾Ρ㡥ܥ塤ȤȤ˹Ԥʤ	conjointly with another medium, e.g. boiler water	3237
F23N   1/10		ޤȤȤ˹Ԥʤ	and with air supply or draught	410
F23N   3/00		ޤĴǳȤȤ˹ԤʤΣƣΣ	Regulating air supply or draught(conjointly with fuel supply <b>F23N1/00</b>)	4111
F23N   3/02		ñۤޤϥѤľܰ뤳ȤˤĴ	Regulating draught by direct pressure operation of single valves or dampers	1041
F23N   3/04		ΤˤñۤޤϥѤƹԤʤ	by operation of single valves or dampers by temperature-sensitive elements	909
F23N   3/06		ޤϤʾۤޤϥѤηˤΡưϥƥˤΣƣΣˡΣ	by conjoint operation of two or more valves or dampers (by power-assisted systems <b>F23N3/08</b>)	626
F23N   3/08		ưϥƥˤ	by power-assisted systems	1960
F23N   5/00		ǳΥƥǳĴƣΣޤĴƣΣˡΣ	Systems for controlling combustion (regulating fuel supply <b>F23N1/00</b>;  regulating air supply or draught <b>F23N3/00</b>)	9641
F23N   5/02		ΤǮŪѲޤǮĥ˱֤Ѥ	using devices responsive to thermal changes or to thermal expansion of a medium	5835
F23N   5/04		Х᥿ǻҤѤ	using bimetallic elements	902
F23N   5/06		٥ѤΡեѤ	using bellows; using diaphragms	633
F23N   5/08		ǻҤѤ	using light-sensitive elements	3444
F23N   5/10		ǮФѤ	using thermocouples	4910
F23N   5/12		󲽴ǻҡʤե졼åɡѤ	using ionisation-sensitive elements, i.e. flame rods	3275
F23N   5/14		ǮΤѤ	using thermo-sensitive resistors	2365
F23N   5/16		Τ븡дѤ	using noise-sensitive detectors	385
F23N   5/18		ޤǳήγΤ븡дѤ	using detectors sensitive to rate of flow of air or fuel	3943
F23N   5/20		ŵŪʡ㡥ٱŴλѡˤäƷޤ륿ץĤΡΣ	with a time program acting through electrical means, e.g. using time-delay relays	6231
F23N   5/22		Ūʡ㡥λѡˤäƷޤ륿ץĤΡΣ	with a time program acting through mechanical means, e.g. using cams	1108
F23N   5/24		۾ޤ˾ޤʤȯͽɡʤ֡ʣƣΣƣΣͥ	Preventing development of abnormal or undesired conditions, i.e. safety arrangements(<b>F23N5/02 to F23N5/18</b>  take precedence)	17159
F23N   5/26			Details	4797
