F22D   1/00  \	0	0	3L074	F22D   1/00	104	Ǯ㡥ͽǮ	Feed-water heaters, e.g. preheaters
F22D   1/02  \	1	1	3L074	F22D   1/02	355	ϧɤޤϱƻ󤵤줿ɤĤΡΣ	with water tubes arranged in the boiler furnaces, fire tubes or flue ways[2006.01]
F22D   1/04  \	2	2	3L074	F22D   1/04	80	ñʳ̤ͭɡ㡥ľĤ	the tubes having plain outer surfaces, e.g. in vertical arrangement
F22D   1/06  \	3	3	3L074	F22D   1/06	113	ʿĤ	in horizontal arrangement
F22D   1/08  \	2	2	3L074	F22D   1/08	28	̤˥ե󡤥֡ԡʤˡⲡʤͭɡ㡥ľĤ	the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement
F22D   1/10  \	3	3	3L074	F22D   1/10	57	ʿĤΡΣ	in horizontal arrangement
F22D   1/12  \	2	2	3L074	F22D   1/12	241	֡㡥Ĵ	Control devices, e.g. for regulating steam temperature
F22D   1/14  \	2	2	3L074	F22D   1/14	122	֤ޤӵ֡Σ	Safety or venting devices
F22D   1/16  \	1	1	3L074	F22D   1/16	118	ϧɡƻʳ󤵤줿ɤˤ	with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
F22D   1/18  \	2	2	3L074	F22D   1/18	123	ܲǮˤ	and heated indirectly
F22D   1/20  \	2	2	3L074	F22D   1/20	49	ܥľϢܤ줿	and directly connected to boilers
F22D   1/22  \	2	2	3L074	F22D   1/22	0	žưԤ	and provided for rotary movement
F22D   1/24  \	1	1	3L074	F22D   1/24	41	ƴǤɤޤϱƻˤ	with fire tubes or flue ways traversing feed-water vessels
F22D   1/26  \	1	1	3L074	F22D   1/26	12	ɰʳΡ太ӲǮΤʬΥʤˤΡ㡥ȢޤϱƻǤ줿ƻޤϴɤͭʤ緿Ǯ	with means, other than tubes, to separate water and heating medium, e.g. bulk heaters without internal flues or tubes, jacketted smoke-boxes or flues
F22D   1/28  \	1	1	3L074	F22D   1/28	62	ľǮãˤΡ㡥太Ӿκˤ	for direct heat transfer, e.g. by mixing water and steam
F22D   1/28  A	1	0	3L074	F22D   1/28	222	æι¤	Constructions of deaerators
F22D   1/28  B	1	0	3L074	F22D   1/28	104	æο	Water level control of deaerators
F22D   1/28  C	1	0	3L074	F22D   1/28	75	æΰ	Pressure control of deaerators
F22D   1/28  Z	1	0	3L074	F22D   1/28	217	¾Τ	Others
F22D   1/30  \	2	2	3L074	F22D   1/30	93	ޤι߲򵯤볬ʡġġߴľο¤ޤ¾μʤͭ	with stages, steps, baffles, dishes, circular troughs, or other means to cause interrupted or cascading fall of water
F22D   1/32  \	1	1	3L074	F22D   1/32	137	ˤǮˤΡ㡥ӥ󤫤Τ	arranged to be heated by steam, e.g. bled from turbines
F22D   1/32  A	1	0	3L074	F22D   1/32	151	Ǯι¤	Constructions of feed-water heaters
F22D   1/32  B	1	1	3L074	F22D   1/32	289	ǮǤ	being horizontal feed-water heaters
F22D   1/32  C	1	1	3L074	F22D   1/32	42	ΩǮǤ	being vertical feed-water heaters
F22D   1/32  D	1	0	3L074	F22D   1/32	177	ǮΥɥ	Drain water level control for feed-water heaters
F22D   1/32  Z	1	0	3L074	F22D   1/32	370	¾Τ	Others
F22D   1/34  \	2	2	3L074	F22D   1/34	51	ܥ˼ȤȤ˶Žʪ᤹	and returning condensate to boiler with main feed supply
F22D   1/36  \	1	1	3L074	F22D   1/36	51	太ӶͽǮ	Water and air preheating systems
F22D   1/38  \	2	2	3L074	F22D   1/38	20	太ӶͽǮι¤Ūħ	Constructional features of water and air preheating systems
F22D   1/40  \	1	1	3L074	F22D   1/40	6	ӾǳƥȤ߹蘆줿ͽǮΣ	Combinations of exhaust-steam and smoke-gas preheaters
F22D   1/42  \	1	1	3L074	F22D   1/42	16	ؼѤäŬ	specially adapted for locomotives
F22D   1/44  \	2	2	3L074	F22D   1/44	0	ǳƥͽǮ	Smoke-gas preheaters
F22D   1/46  \	2	2	3L074	F22D   1/46	0	ӾͽǮ	Exhaust-steam preheaters
F22D   1/48  \	2	2	3L074	F22D   1/48	0		Details
F22D   1/50  \	1	1	3L074	F22D   1/50	35	ǮŪæȰΤˤʤäΡľǮãǤæƣģˡΣ	incorporating thermal de-aeration of feed-water (de-aeration produced in the course of direct heat transfer F22D 1/28)
F22D   3/00  \	0	0	3L074	F22D   3/00	48	ͽǮѥ졼	Accumulators for preheated water
F22D   3/02  \	1	1	3L074	F22D   3/02	0	ǳƼ󤵤줿	arranged within combustion chambers
F22D   3/04  \	1	1	3L074	F22D   3/04	3	졼Ȥ߹蘆줿	combined with steam accumulators
F22D   3/06  \	1	1	3L074	F22D   3/06	3	ܥľϢ뤷	directly connected to boilers
F22D   3/08  \	1	1	3L074	F22D   3/08	0	ؼѤäŬΡΣ	specially adapted for locomotives
F22D   3/10  \	2	2	3L074	F22D   3/10	0	֡Σ	Control devices
F22D   5/00  \	0	0	3L074	F22D   5/00	46	ޤϿ̤桨ưŪʵޤϿ̤Ĵ֡Σ	Controlling water feed or water level; Automatic water feeding or water-level regulators
F22D   5/00  A	0	0	3L074	F22D   5/00	164	ܥο	Water level control units for boilers
F22D   5/00  B	0	1	3L074	F22D   5/00	219	ܥˤ	in small boilers
F22D   5/00  Z	0	0	3L074	F22D   5/00	154	¾Τ	Others
F22D   5/02  \	1	1	3L074	F22D   5/02	2	ư̤ˤä椵롤ڤ򵡳Ūư塤夬ϤˤäήФֻڤ꤬	with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level
F22D   5/04  \	1	1	3L074	F22D   5/04	1	ž	with pivoting buckets
F22D   5/06  \	1	1	3L074	F22D   5/06	75	ܥȼͳϢ̤̤Ѳ˱ƾ岼ưΤŬƴ郎̤ˤ	with receptacles external to, but in free communication with, the boilers and adapted to move up and down in accordance with change in water level
F22D   5/08  \	1	1	3L074	F22D   5/08	210	եȼưۤ	with float-actuated valves
F22D   5/10  \	2	2	3L074	F22D   5/10	59	ۤȰΤΥԥȥޤĤ	and with pistons or membranes unitary with the feed inlet valves
F22D   5/12  \	2	2	3L074	F22D   5/12	2	дɤĤ	and with dipping tubes
F22D   5/14  \	1	1	3L074	F22D   5/14	12	ǮĥǮ̤˱Ρ㡥Ǥˤ	responsive to thermal expansion and contraction, e.g. of solid elements
F22D   5/16  \	2	2	3L074	F22D   5/16	1	ήǤˤ	of fluids
F22D   5/18  \	1	1	3L074	F22D   5/18	16	ݥפ®٤ޤǽаϤѲ뤿Τ	for varying the speed or delivery pressure of feed pumps
F22D   5/20  \	2	2	3L074	F22D   5/20	2	եȤʤ	without floats
F22D   5/22  \	2	2	3L074	F22D   5/22	3	եȤ	with floats
F22D   5/24  \	1	1	3L074	F22D   5/24	54	ŵ	with electric switches
F22D   5/26  \	1	1	3L074	F22D   5/26	67	ư楷ƥʼư֣ƣ£̣ǣ	Automatic feed-control systems
F22D   5/26  A	1	0	3L074	F22D   5/26	68	ȯƽ۴ή	Controlling recirculating flow amount in evaporating parts
F22D   5/26  B	1	0	3L074	F22D   5/26	66	ưε	Feed-control during starting-up periods
F22D   5/26  C	1	0	3L074	F22D   5/26	125	ٸΤˤ	Feed-control by detecting temperature
F22D   5/26  Z	1	0	3L074	F22D   5/26	196	¾Τ	Others
F22D   5/28  \	2	2	3L074	F22D   5/28	69	Ф̤˱ΡϤ˱	responsive to amount of steam withdrawn; responsive to steam pressure
F22D   5/30  \	2	2	3L074	F22D   5/30	220	̤ȡ̤ޤϾϤȡξ˱	responsive to both water level and amount of steam withdrawn or steam pressure
F22D   5/32  \	2	2	3L074	F22D   5/32	91	ݥפ®٤ޤǽаϤ˱ƶ	influencing the speed or delivery pressure of the feed pumps
F22D   5/32  A	2	0	3L074	F22D   5/32	197	ݥӥưݥפ˴ؤ	Control related to turbine driven pumps
F22D   5/32  Z	2	0	3L074	F22D   5/32	198	¾Τ	Others
F22D   5/34  \	2	2	3L074	F22D   5/34	65	ۤŬѡΣ	Applications of valves
F22D   5/34  A	2	0	3L074	F22D   5/34	115	ݥפκƽ۴	Controlling recirculating valves of water-feed pumps
F22D   5/34  Z	2	0	3L074	F22D   5/34	215	¾Τ	Others
F22D   5/36  \	2	2	3L074	F22D   5/36	29	ۤäϰϤβ٤ӰϤ߷פ줿¿ξȯ˵夹	for feeding a number of steam boilers designed for different ranges of temperature and pressure
F22D   7/00  \	0	0	3L074	F22D   7/00	25	ν۴Ĥ¥ʤ֡Σ	Auxiliary devices for promoting water circulation
F22D   7/02  \	1	1	3L074	F22D   7/02	68	ϧɤ˸ꤵ줿ȡʤޤμդĤˤ	Saddles or like directing plates fitted to furnace tubes
F22D   7/04  \	1	1	3L074	F22D   7/04	96	ޤϾΤΥ󥸥	Injectors for water or steam
F22D   7/06  \	1	1	3L074	F22D   7/06	9	ž֡㡥ץڥ	Rotary devices, e.g. propellers
F22D   7/08  \	2	2	3L074	F22D   7/08	98	ݥ֡㡥ܥ鳰¦	Arrangements of pumps, e.g. outside the boilers
F22D   7/10  \	3	3	3L074	F22D   7/10	9	ܥ¦	within the boilers
F22D   7/12  \	1	1	3L074	F22D   7/12	4		Control devices
F22D   7/14  \	1	1	3L074	F22D   7/14	6	ä˵ؼ֥ܥŬ	specially adapted for locomotive boilers
F22D  11/00  \	0	0	3L074	F22D  11/00	155	¾Υᥤ󥰥롼פ°ʤζ	Feed-water supply not provided for in other main groups
F22D  11/00  A	0	0	3L074	F22D  11/00	21	ȯ緿ܥ˴ؤ	related to large boilers for electric power generation
F22D  11/00  B	0	1	3L074	F22D  11/00	241		Feed-water systems
F22D  11/00  C	0	2	3L074	F22D  11/00	239		Condenser systems
F22D  11/00  D	0	2	3L074	F22D  11/00	97		Makeup water systems
F22D  11/00  E	0	2	3L074	F22D  11/00	51	ݥץݥߥ󥰷	Warming systems for feed-water pumps
F22D  11/00  F	0	2	3L074	F22D  11/00	43	ݥפμ	Shaft-sealed water systems for water-feed pumps
F22D  11/00  G	0	2	3L074	F22D  11/00	415	ݥ󥢥ĥס̾ͷ	Cleanup (purification) systems
F22D  11/00  H	0	1	3L074	F22D  11/00	287	ɥ	Drain collection systems
F22D  11/00  J	0	0	3L074	F22D  11/00	44	ܥ˴ؤ	related to small boilers
F22D  11/00  K	0	1	3L074	F22D  11/00	177		Feed-water systems
F22D  11/00  L	0	2	3L074	F22D  11/00	142		Makeup water systems
F22D  11/00  M	0	3	3L074	F22D  11/00	83	奿	Feed-water tanks
F22D  11/00  N	0	2	3L074	F22D  11/00	89	ݥ󥢥ĥס̾ͷ	Cleanup (purification) systems
F22D  11/00  Z	0	0	3L074	F22D  11/00	45	¾Τ	Others
F22D  11/02  \	1	1	3L074	F22D  11/02	29	ݥפ֡Σ	Arrangements of feed-water pumps
F22D  11/04  \	2	2	3L074	F22D  11/04	3	ʤˤ	with means to eliminate steam formation
F22D  11/06  \	2	2	3L074	F22D  11/06	84	ܥ˶Ž᤹̿	for returning condensate to boiler
F22D  11/06  A	2	0	3L074	F22D  11/06	457		Condensate collection arrangements
F22D  11/06  B	2	1	3L074	F22D  11/06	202	ˤ	by ejectors
F22D  11/06  Z	2	0	3L074	F22D  11/06	59	¾Τ	Others
