F01N   1/00  \	0	0	3G004	F01N   1/00	577	òˡˤäħŤ줿ò	Silencing apparatus characterised by method of silencing
F01N   1/00  A	0	0	3G004	F01N   1/00	954	հβȤȯ뤳Ȥˤò	Soundproofing by generating reverse-phase acoustic wave
F01N   1/00  B	0	0	3G004	F01N   1/00	147	üӤΤΤ	for special purposes
F01N   1/00  C	0	1	3G004	F01N   1/00	47	ѷ̵ѤΤ	for displacement compressors
F01N   1/00  D	0	0	3G004	F01N   1/00	397	ϼΤȤδطդħͭΡ̣ƣɣΣͥ	characterized by relationship or installation with the engine or body (F 01 N 7 takes precedence.)
F01N   1/00  E	0	0	3G004	F01N   1/00	293	ޥե鳰ħͭΡ㡢ˤײζɻߡ	Characterised by the outer cylinders of mufflers, e.g., sound insulation provided by the outer cylinder and prevention of resonance in the outer cylinder
F01N   1/00  F	0	0	3G004	F01N   1/00	40	ɲ󥸥ؤŬѡ̣ƣɣΣͥ	Application to soundproof type engines (F 01 N 7 takes precedence.)
F01N   1/00  H	0	0	3G004	F01N   1/00	54	ϥ˥ॻ롤󥺤Ѥˤò	Soundproofing by using a honey-comb cell or acoustic lens
F01N   1/00  Z	0	0	3G004	F01N   1/00	148	¾	Others
F01N   1/02  \	1	1	3G004	F01N   1/02	1038	ĤѤ	by using resonance
F01N   1/02  A	1	0	3G004	F01N   1/02	494	Ĵǽʤ	adjustable
F01N   1/02  B	1	0	3G004	F01N   1/02	128	üӤΤΤ	for special purposes
F01N   1/02  C	1	1	3G004	F01N   1/02	94	ѷ̵ѤΤ	for displacement compressors
F01N   1/02  D	1	0	3G004	F01N   1/02	98	ޥե顼ʳνؤζļ	providing a resonance chamber at a location other than the muffler
F01N   1/02  E	1	0	3G004	F01N   1/02	228	ӵơؤζļ	providing a resonance chamber at the exhaust pipe or tail
F01N   1/02  G	1	0	3G004	F01N   1/02	178	ĥ	Extensive resonance
F01N   1/02  S	1	0	3G004	F01N   1/02	131	ɥ֥	Sand branch
F01N   1/02  J	1	0	3G004	F01N   1/02	245	ޥե顼˶ļߤΡʣơˡΤȹ礻ޤࡣ	providing a resonance chamber on the muffler (including combinations between F and K to N)
F01N   1/02  K	1	1	3G004	F01N   1/02	381	ɤ¦̤ˤΤ߶Ĺͭ	providing a resonance hole on pipe sides only
F01N   1/02  F	1	1	3G004	F01N   1/02	147	ĴɤͭΡ̼ˡɤ¦̡	having a resonance pipe (mainly on pipe sides)
F01N   1/02  L	1	1	3G004	F01N   1/02	235	Ĥ˶Ĺޤ϶Ĵɤͭ	having a resonance hole or resonance pipe on the division plate
F01N   1/02  M	1	1	3G004	F01N   1/02	60	¿Ĥظ塤ޤϡ˶ļͭ	having a resonance chamber behind or on the outer wall of the perforated plate
F01N   1/02  N	1	1	3G004	F01N   1/02	106	ĥ桤ޤϡήϩ˶ļͭ	having a resonance chamber in the extension chamber or fluid channel
F01N   1/02  Z	1	0	3G004	F01N   1/02	1104	¾Τ	Others
F01N   1/04  \	2	2	3G004	F01N   1/04	475	ļ˵۲ʪĤ	having sound-absorbing materials in resonance chambers
F01N   1/04  B	2	0	3G004	F01N   1/04	26	üӤΤΤ	for special purposes
F01N   1/04  E	2	0	3G004	F01N   1/04	91	ӵơؤ	provided on the exhaust pipe or tail
F01N   1/04  J	2	0	3G004	F01N   1/04	156	ޥե顼ؤ	provided in the muffler
F01N   1/04  K	2	1	3G004	F01N   1/04	313	ɤ¦̤Τ	on pipe sides only
F01N   1/04  L	2	1	3G004	F01N   1/04	18	Τ	on the division plate only
F01N   1/04  M	2	1	3G004	F01N   1/04	129	¿Ĥظޤϳ	behind or the outer wall of the perforated plate
F01N   1/04  Z	2	0	3G004	F01N   1/04	32	¾	Others
F01N   1/06  \	1	1	3G004	F01N   1/06	567	ĸ̤Ѥ	by using interference effect
F01N   1/06  A	1	0	3G004	F01N   1/06	99	Ĵǽʤ	adjustable
F01N   1/06  B	1	0	3G004	F01N   1/06	87	üӤΤΤ	for special purposes
F01N   1/06  C	1	0	3G004	F01N   1/06	37	ѷ̵	for displacement compressors
F01N   1/06  F	1	0	3G004	F01N   1/06	232	ƱǤȿȤȤδĤˤò	Soundproofing by interference with the reflected wave in the same space
F01N   1/06  G	1	0	3G004	F01N   1/06	247	ήϩȱήϩϡʣήϩˤ봳Ĥˤò	Soundproofing by interference between the main fluid channel and bypass fluid channel or between multiple fluid channels
F01N   1/06  H	1	1	3G004	F01N   1/06	90	ϩ	Duct line
F01N   1/06  Z	1	0	3G004	F01N   1/06	84	¾	Others
F01N   1/08  \	1	1	3G004	F01N   1/08	2205	ʤޤϱήˤäӵͥ륮򸺾	by reducing exhaust energy by throttling or whirling
F01N   1/08  A	1	0	3G004	F01N   1/08	798	ĴǽʤΡ㡥ưࡤۡ	adjustable, e.g. movable member, valve
F01N   1/08  B	1	0	3G004	F01N   1/08	561	ݥȥХѤޤϣ뵡	for motorbike or two-cycle engines
F01N   1/08  C	1	0	3G004	F01N   1/08	308	üӤΤΤΡ㡥ѡ۹ѡ	for special purposes, e.g. for ducts, for inlet port
F01N   1/08  D	1	0	3G004	F01N   1/08	191	ѷ̵ѤΤΡ㡥ް̵ѤΤΡ	for displacement compressors, e.g. for refrigerant compressors
F01N   1/08  E	1	0	3G004	F01N   1/08	73	ѤΤ	for tools
F01N   1/08  F	1	0	3G004	F01N   1/08	242	ӵơ	Exhaust pipe, tail
F01N   1/08  G	1	0	3G004	F01N   1/08	440	Ϣ̴ɤħͭ	characterized by the communicating tube
F01N   1/08  H	1	1	3G004	F01N   1/08	304	ɤħ	characterized by the inlet tube
F01N   1/08  J	1	1	3G004	F01N   1/08	277	иɤħ	characterized by the outlet tube
F01N   1/08  K	1	0	3G004	F01N   1/08	627	ġüġħͭ	characterized by the division plate, end plate, or outer cylinder
F01N   1/08  L	1	0	3G004	F01N   1/08	354	Ȣ¦̤ɤޤϽиɤͭΡ碌ʥȥХѤϡͥ	Box type, having an inlet tube or outlet tube on a side, fitted type (B takes precedence for motorbikes.)
F01N   1/08  M	1	1	3G004	F01N   1/08	126	󥸥ľ뤵	directly connected to the engine
F01N   1/08  N	1	0	3G004	F01N   1/08	155	ʣɡޤϡʣνиɤͭ	having multiple inlet or outlet tubes
F01N   1/08  P	1	0	3G004	F01N   1/08	105	̥ޥե顼ؤƳɤνиФǡ߼˸ѤΡ	Bevel type (direction changeable to the circumferential direction at the outlet of the guide tube to the muffler)
F01N   1/08  Q	1	0	3G004	F01N   1/08	164	㡥ޤϡȾ˥ήϩĤΡ	Zigzag type, e.g. having a zigzag fluid channel in the axial or radial direction
F01N   1/08  R	1	0	3G004	F01N   1/08	92	餻󥿥סʣƣΣͥ	Helical type (F 01 N 1/12 takes precedence.)
F01N   1/08  S	1	0	3G004	F01N   1/08	157	иޤϢ³ľɤͭ	having a continuous straight tube from the inlet to the outlet
F01N   1/08  V	1	0	3G004	F01N   1/08	97	եήħͭ	characterized by the U-turn flow
F01N   1/08  Z	1	0	3G004	F01N   1/08	1729	¾Τ	Others
F01N   1/10  \	2	2	3G004	F01N   1/10	568	۲ʪȤ߹碌	in combination with sound-absorbing materials
F01N   1/10  A	2	0	3G004	F01N   1/10	168	ⰵѤΤΡ㡥񡤥ݥ	for high-pressure air, e.g. tools, air motors
F01N   1/10  B	2	0	3G004	F01N   1/10	123	üӤΤΤΡ̣ͥ	for special purposes (A takes precedence.)
F01N   1/10  D	2	0	3G004	F01N   1/10	16	Ĵǽʤ	adjustable
F01N   1/10  E	2	0	3G004	F01N   1/10	119	ӵơݥ	Exhaust pipe, tail
F01N   1/10  F	2	0	3G004	F01N   1/10	171	ե륿ݥס̵۲򥬥̲᤹Ρ	Filter type (gas passing through an acoustic material)
F01N   1/10  G	2	0	3G004	F01N   1/10	109	Ȣ¦̤Ͻиɤͭ	Box type, having an inlet tube or outlet tube on a side
F01N   1/10  Z	2	0	3G004	F01N   1/10	660	¾Τ	Others
F01N   1/12  \	2	2	3G004	F01N   1/12	290	ΥͥѤΡʣƣΣͥ表£á	using spirally- or helically-shaped channels (F01N 1/10 takes precedence; cyclones B04C)
F01N   1/14  \	1	1	3G004	F01N   1/14	223	ӥ˶ä	by adding air to exhaust gases
F01N   1/16  \	1	1	3G004	F01N   1/16	277	ưѤ	by using movable parts
F01N   1/18  \	2	2	3G004	F01N   1/18	108	žư	having rotary movement
F01N   1/20  \	2	2	3G004	F01N   1/20	84	ưޤϿưΡबɤǤΣƣΣ	having oscillating or vibrating movement (the parts being resilient walls F01N 1/22)
F01N   1/22  \	2	2	3G004	F01N   1/22	165	बɤǤ	the parts being resilient walls
F01N   1/24  \	1	1	3G004	F01N   1/24	889	۲ʪѤΡʣƣΣƣΣƣΣƣΣƣΣͥ	by using sound-absorbing materials (F01N 1/04, F01N 1/06, F01N 1/10, F01N 1/14, F01N 1/16 take precedence)
F01N   1/24  A	1	0	3G004	F01N   1/24	427	۲ΤħΡ㡤ʬħΡ	characterized by the acoustic material per se, e.g. characterized by the chemical component
F01N   1/24  C	1	1	3G004	F01N   1/24	68	¿۲ɽ̤ؤüʽ	Special treatment for the porous acoustic material surface
F01N   1/24  B	1	0	3G004	F01N   1/24	605	üӤΤΤΡ㡥۹ѡ	for special purposes, e.g. for the inlet port
F01N   1/24  D	1	1	3G004	F01N   1/24	362		for ducts
F01N   1/24  E	1	0	3G004	F01N   1/24	153	ӵơݥ˵۲ߤ	Acoustic material provided on the exhaust pipe or tail
F01N   1/24  F	1	0	3G004	F01N   1/24	317	۲μˡħͭ	characterized by the installation method of the acoustic material
F01N   1/24  Z	1	0	3G004	F01N   1/24	412	¾Τ	Others
F01N   3/00  \	0	0	3G091	F01N   3/00	30	ӵ̵ޤ¾ν򤹤ʤӵ⤷Ͼò֡ŵŪƣΣӵ֤ƻޤϿǤ֣ƣΣˡΣ	Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N 9/00; device for monitoring or diagnosing exhaust-gas treatment apparatus F01N 11/00) [4]
F01N   3/00  A	0	0	3G091	F01N   3/00	83	ţǣ	EGR
F01N   3/00  B	0	0	3G091	F01N   3/00	78	Сӵ	Ignition or feed/exhaust valves
F01N   3/00  C	0	0	3G091	F01N   3/00	38	켡ǳ	Primary air-fuel ratio control
F01N   3/00  D	0	0	3G091	F01N   3/00	93	ӵݡȹ¤	Exhaust port structure
F01N   3/00  E	0	0	3G091	F01N   3/00	60	ǳƼ¤	Combustion chamber structure
F01N   3/00  F	0	0	3G091	F01N   3/00	1349	ۡ	Valves, sensors
F01N   3/00  G	0	0	3G091	F01N   3/00	232		Test
F01N   3/00  Z	0	0	3G091	F01N   3/00	178	¾Τ	Others
F01N   3/01  \	1	1	3G190	F01N   3/01	579	ŵޤŵˤʬΥѤΡΣ	by means of electric or electrostatic separators [7]
F01N   3/02  \	1	1	3G091	F01N   3/02	1255	ӵѤ뤿ΤΡޤӵθʬ뤿ΤΡŵޤϤˤʬΥȤΣƣΣˡΣ	for cooling, or for removing solid constituents of, exhaust (using electrical or electrostatic separator F01N3/01) [1, 7]
F01N   3/02 101 \	2	2	3G091	F01N   3/02	2	ӵѤ뤿ΤΡʾ֤ѣƣΣޤѣƣΣǮѣƣΣ	for cooling exhaust (cooling purifier F01N3/18A, cooling catalyst F01N3/20A, for waste heat management F01N5/02)
F01N   3/02 101 A	2	0	3G091	F01N   3/02	132	ήȴϢӵ	Cooling of exhaust related to the refrigerant flow
F01N   3/02 101 B	2	1	3G091	F01N   3/02	145	ޥեȴϢ	related to the muffler
F01N   3/02 101 C	2	2	3G091	F01N   3/02	130	ޤӵȺ礷ʤ	Refrigerant not mixed with exhaust
F01N   3/02 101 D	2	1	3G091	F01N   3/02	75	ޤȴϢ	related to the catalyst
F01N   3/02 101 E	2	2	3G091	F01N   3/02	129	ޤӵȺ礷ʤ	Refrigerant not mixed with exhaust
F01N   3/02 101 F	2	1	3G091	F01N   3/02	62	¾ӵ֤ȴϢ	related to other exhaust clarifying devices
F01N   3/02 101 G	2	2	3G091	F01N   3/02	67	ޤӵȺ礷ʤ	Refrigerant not mixed with exhaust
F01N   3/02 101 H	2	1	3G091	F01N   3/02	113	ӵɽиˤ	Cooling at the outlet of the exhaust pipe
F01N   3/02 101 J	2	1	3G091	F01N   3/02	370	ޤΤǤ	Liquid refrigerant
F01N   3/02 101 K	2	1	3G091	F01N   3/02	205	ޤӵȺ礷ʤ	Refrigerant not mixed with exhaust
F01N   3/02 101 L	2	2	3G091	F01N   3/02	57	估	Forced air-cooling type
F01N   3/02 101 Z	2	0	3G091	F01N   3/02	116	¾Τ	Others
F01N   3/02 201 \	2	2	3G190	F01N   3/02	1585	ӵθʬ뤿ΤΤǡƣΣڤӣƣΣƣΣΤˤʬवʤ	for removing solid material of exhaust and not classified in any of F01N3/01 or F01N3/021 - F01N3/05
F01N   3/021  \	2	2	3G190	F01N   3/021	257	ե륿ѤΡΣ	by means of filters [7]
F01N   3/022  \	3	3	3G190	F01N   3/022	19	ä˥ե륿ι¤ħΤΡ㡥ϥ˥ܾޤݾΣ	characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous [7]
F01N   3/022  A	3	0	3G190	F01N   3/022	563	ݤʤե륿	Filter consisting of fibre
F01N   3/022  B	3	0	3G190	F01N   3/022	1270	ߥåΤʤե륿	Filter consisting of ceramic
F01N   3/022  C	3	1	3G190	F01N   3/022	2525		Alternate seal type
F01N   3/022  D	3	1	3G190	F01N   3/022	260	ܾȯˢξ	Three-dimensional mesh type, foam type
F01N   3/022  Z	3	0	3G190	F01N   3/022	77	¾ΤΡʿôե륿ϣƣΣ	others (catalyst carrying filter F01N3/035A)
F01N   3/023  \	3	3	3G190	F01N   3/023	25	ե륿κʤͭΡ㡥ὸʬǳƤΡΣ	using means for regenerating the filters, e.g. by burning trapped particles [7]
F01N   3/023  A	3	0	3G190	F01N   3/023	3993	¾֤ȤȤ߹碌ħΤΡڣƣΣƣΣƣΣʻͿ	characterized by combination with other device [additionally classified to F01N3/01, F01N3/031 - F01N3/05]
F01N   3/023  E	3	0	3G190	F01N   3/023	589	ŵŪʤˤäǳƤΡʣƣΣƣΣͥ	Combustion by an electrical means (F01N3/027 to F01N3/028 take precedence.)
F01N   3/023  K	3	0	3G190	F01N   3/023	2416	ܵͤޤꡤὸ̸мʡˡ	Clogging or collected volume detection means or method
F01N   3/023  Z	3	0	3G190	F01N   3/023	1210	¾Τ	Others
F01N   3/025  \	4	4	3G190	F01N   3/025	19	СʤѤΡޤӵǳźäΡΣ	using fuel burner or by adding fuel to exhaust [7]
F01N   3/025 101 \	5	5	3G190	F01N   3/025	2887	ӵǳźäΡ㡥ӵʮ͡ݥʮ	addition of fuel to exhaust, e.g. exhaust pipe injection, post injection
F01N   3/025 201 \	5	5	3G190	F01N   3/025	13	СʤѤΡޤźǳФ	using burner or ignite additive fuel
F01N   3/025 201 A	5	0	3G190	F01N   3/025	292	¾֤ȤȤ߹碌ħΤΡڣƣΣƣΣƣΣʻͿ	characterized by combination with other device [additionally classified to F01N3/01, F01N3/031 - F01N3/05]
F01N   3/025 201 B	5	0	3G190	F01N   3/025	123	ե륿ι¤	Filter structure or layout
F01N   3/025 201 C	5	0	3G190	F01N   3/025	382	Сι¤֡ʥСʼΣƣġ	Burner structure or layout (burner per se F 23 D)
F01N   3/025 201 F	5	0	3G190	F01N   3/025	179	ȤƶϤ桤	Mainly air system control or device
F01N   3/025 201 G	5	0	3G190	F01N   3/025	269	ȤǳϤ桤	Mainly fuel system control or device
F01N   3/025 201 J	5	0	3G190	F01N   3/025	89	ǳƷ	Alternate combustion type
F01N   3/025 201 L	5	0	3G190	F01N   3/025	18	ֳ֤ǳƤ	Combustion at a certain interval
F01N   3/025 201 S	5	0	3G190	F01N   3/025	225	٤˱	responding the temperature
F01N   3/025 201 T	5	1	3G190	F01N   3/025	33	ٰʳϿˤ	responding the input signals other than temperature
F01N   3/025 201 U	5	0	3G190	F01N   3/025	26	١ž˱ΡʣƣΣƣΣͥ	responding the load or number of revolutions
F01N   3/025 201 V	5	0	3G190	F01N   3/025	125	Ƚħ	characterized by recovery time identification.
F01N   3/025 201 Z	5	0	3G190	F01N   3/025	127	¾Τ	Others
F01N   3/027  \	4	4	3G190	F01N   3/027	5	ŵޤϼˤҡѤΡΣ	using electric or magnetic heating [7]
F01N   3/027  A	4	0	3G190	F01N   3/027	828	¾֤ȤȤ߹碌ħΤΡڣƣΣƣΣƣΣʻͿ	characterized by combination with other device [additionally classified to F01N3/01, F01N3/031 - F01N3/05]
F01N   3/027  B	4	0	3G190	F01N   3/027	404	ե륿ι¤	Filter structure or layout
F01N   3/027  C	4	0	3G190	F01N   3/027	546	ҡι¤ա֡ŵҡΣȣ¡	Heater structure, installation, or layout (electrical heater per se H 05 B)
F01N   3/027  D	4	1	3G190	F01N   3/027	359	ե륿˼ա֤Ρե륿ΤҡǤ	installed or placed inside the filter; the case that the filter per se is a heater
F01N   3/027  E	4	2	3G190	F01N   3/027	40	ץ饰˼ա֤	installed or placed on the seal plug.
F01N   3/027  H	4	0	3G190	F01N   3/027	502	¾źʪ򶡵뤹	supply air or any other additive
F01N   3/027  J	4	0	3G190	F01N   3/027	322	ǳƷ	Alternate combustion type
F01N   3/027  K	4	0	3G190	F01N   3/027	142	̤Ť	Individual electric conduction
F01N   3/027  S	4	0	3G190	F01N   3/027	254	٤˱	responding the temperature
F01N   3/027  V	4	0	3G190	F01N   3/027	373	Ƚħ	characterized by recovery time identification.
F01N   3/027  Z	4	0	3G190	F01N   3/027	282	¾Τ	Others
F01N   3/028  \	5	5	3G190	F01N   3/028	105	ޥȤѤΡΣ	using microwaves [7]
F01N   3/029  \	4	4	3G190	F01N   3/029	1	ӵǳʪźäΡΣ	by adding non-fuel substances to exhaust [7]
F01N   3/029  B	4	0	3G190	F01N   3/029	145	ǳ¥ʺޤźäΡӵǳźäΤϣƣΣ	adding catalyst or combustion improver (adding fuel to exhaust F01N3/025 101)
F01N   3/029  C	4	0	3G190	F01N   3/029	37	źä	adding water
F01N   3/029  Z	4	0	3G190	F01N   3/029	357	¾Τ	Others
F01N   3/031  \	3	3	3G190	F01N   3/031	683	ե륿ХѥʤĤΡ㡥ܵͤޤޤֻưΣ	having means for by-passing filters, e.g. when clogged or during cold engine start [7]
F01N   3/032  \	4	4	3G190	F01N   3/032	402	ե륿ΤߡΣ	during filter regeneration only [7]
F01N   3/033  \	3	3	3G190	F01N   3/033	0	¾֤Ȥ߹碌ΡΣ	in combination with other devices [7]
F01N   3/033  A	3	0	3G190	F01N   3/033	157	ХѥϩĤΡʥե륿ХѥΤϣƣΣƣΣ	having bypass passage (bypassing filter F01N3/031-f01N3/032)
F01N   3/033  B	3	0	3G190	F01N   3/033	217	ޥեȴϢ	related to the muffler
F01N   3/033  C	3	0	3G190	F01N   3/033	491	Ƴ	guiding outer air
F01N   3/033  D	3	0	3G190	F01N   3/033	138	ڴ۰ʳӥήεޤήʤĤ	having means to regulate or rectify flow of exhaust gas besides selector valve
F01N   3/033  E	3	0	3G190	F01N   3/033	457	۵¦ȴϢΡʣƣΣǡƣΣʤޤϣƣΣˤͥ	related to the feed side (F01N3/033G, F01N3/033J or F01N3/033K take precedence)
F01N   3/033  G	3	0	3G190	F01N   3/033	633	۵ʤꡤޤӵʤȴϢ	intake throttle or related to intake throttle
F01N   3/033  J	3	0	3G190	F01N   3/033	690	ţǣҤȴϢ	related to EGR
F01N   3/033  K	3	0	3G190	F01N   3/033	109	뵡ȴϢ	related to supercharger
F01N   3/033  Z	3	0	3G190	F01N   3/033	312	¾Τ	Others
F01N   3/035  \	4	4	3G190	F01N   3/035	17	ȿ֤ΡΣ	with catalytic reactors [7]
F01N   3/035  A	4	0	3G190	F01N   3/035	3797	ե륿ô	support filter
F01N   3/035  E	4	0	3G190	F01N   3/035	1394	ե륿ȤΤο֤Ȥ߹碌	combined with catalytic converter separated from filter
F01N   3/035  G	4	0	3G190	F01N   3/035	172	ե륿ȤΤε塤æ֤Ȥ߹碌	combined with adsorption deodorization device separated from filter
F01N   3/035  Z	4	0	3G190	F01N   3/035	8	¾Τ	Others
F01N   3/037  \	2	2	3G190	F01N   3/037	3	ϤޤϱϤˤʬΥѤΡ㡥졼ȴϢΡΣ	by means of inertial or centrifugal separators, e.g. associated with agglomerators [7]
F01N   3/037  A	2	0	3G190	F01N   3/037	150	ȥե륿ȤĤ	having the cyclone and filter
F01N   3/037  B	2	1	3G190	F01N   3/037	59	եʣΥե륿Ĥ	having multiple axial flow type filters
F01N   3/037  C	2	1	3G190	F01N   3/037	36	ǳƼʤĤ	having a combustion means
F01N   3/037  E	2	1	3G190	F01N   3/037	26	ʤĤ	having a washing means
F01N   3/037  F	2	0	3G190	F01N   3/037	37	ǳƼʤĤΡʣƣΣäͥ	having a combustion means (F01N3/037C takes precedence.)
F01N   3/037  Z	2	0	3G190	F01N   3/037	60	¾Τ	Others
F01N   3/038  \	2	2	3G190	F01N   3/038	1	γץ졼ȤˤĥˤΡΣ	by means of perforated plates defining expansion chambers associated with condensation and collection chambers [7]
F01N   3/04  \	2	2	3G091	F01N   3/04	12	ΤѤ	using liquid
F01N   3/04  A	2	0	3G091	F01N   3/04	412	ӵؤʮ̸ʤĤ	having a means of spray into the exhaust gas
F01N   3/04  B	2	1	3G091	F01N   3/04	15	Хѥϩʮ̸	spraying in the bypass channel
F01N   3/04  C	2	1	3G091	F01N   3/04	43	òȴϢ	related to soundproofing
F01N   3/04  D	2	1	3G091	F01N   3/04	200	ʳα	Liquids other than water
F01N   3/04  E	2	0	3G091	F01N   3/04	66	žΤĤ	having a rotor
F01N   3/04  F	2	1	3G091	F01N   3/04	61	ž	Rotary blade
F01N   3/04  G	2	1	3G091	F01N   3/04	57	Τν۴ĥݥ	Liquid circulation pump
F01N   3/04  H	2	0	3G091	F01N   3/04	62	òȴϢΡʣƣΣäͥ	related to soundproofing (F01N3/04C takes precedence.)
F01N   3/04  J	2	0	3G091	F01N   3/04	113	ʳαΡʣƣΣĤͥ	Liquids other than water (F01N3/04D takes precedence.)
F01N   3/04  Z	2	0	3G091	F01N   3/04	249	¾Τ	Others
F01N   3/05  \	2	2	3G091	F01N   3/05	25	ѤΡ㡥ӵ˶򺮤Ρӵ˶äòƣΣӵͭʬǮޤϿȿ֤ؤźö֣ƣΣˡΣ	by means of air, e.g. by mixing exhaust with air(silencers working by addition of air to exhaust F01N1/14; arrangements for the supply of additional air for the thermal or catalytic conversion of noxious components of exhaust F01N3/30) [7]
F01N   3/06  \	1	1	3G091	F01N   3/06	196	в֤äΤ	for extinguishing sparks
F01N   3/08  \	1	1	3G091	F01N   3/08	28	̵ˤ뤿ΤΡŵޤŵˤʬΥȤΣƣΣŪħΣ£ģˡΣ	for rendering innocuous (by using electric or electrostatic separator F01N3/01, having chemical characteristics B01D53/92) [1, 7]
F01N   3/08  A	1	0	3G091	F01N   3/08	5432	塤æ	Adsorption, deodorisation
F01N   3/08  B	1	0	3G091	F01N   3/08	7699	˥źˤΣϢ	removing NOx by adding ammonia, etc.
F01N   3/08  G	1	1	3G091	F01N   3/08	1471	ؾ֤ˤ椹	controlling depending on the engine state
F01N   3/08  H	1	2	3G091	F01N   3/08	907	ΣϢǻ٤򸡽Ф	detecting NOx concentration
F01N   3/08  C	1	0	3G091	F01N   3/08	1069	ŵ	Electrical or magnetic means
F01N   3/08  D	1	0	3G091	F01N   3/08	318	򶡵뤹	supplying ozone
F01N   3/08  E	1	0	3G091	F01N   3/08	13	Ķ	Supersonic wave
F01N   3/08  F	1	0	3G091	F01N   3/08	23		Radioactive ray
F01N   3/08  Z	1	0	3G091	F01N   3/08	420	¾Τ	Others
F01N   3/10  \	2	2	3G091	F01N   3/10	38	ӵͭʬǮޤϿޤѴ뤳ȤˤΡΣ	by thermal or catalytic conversion of noxious components of exhaust [3]
F01N   3/10  A	2	0	3G091	F01N   3/10	5343	ޤʬħΤ	characterized by the component of the catalyst
F01N   3/10  Z	2	0	3G091	F01N   3/10	527	¾Τ	Others
F01N   3/18  \	3	3	3G091	F01N   3/18	12	ˡħĤΡĴΣ	characterised by methods of operation; Regulation [3]
F01N   3/18  A	3	0	3G091	F01N   3/18	217	֤	Cooling the clarifying device
F01N   3/18  B	3	0	3G091	F01N   3/18	590	֤κ	Recovering the clarifying device
F01N   3/18  C	3	0	3G091	F01N   3/18	1213	֤η	Alarm means of the clarifying device
F01N   3/18  D	3	0	3G091	F01N   3/18	214	ֻưγ	Activity improvement at the start of the clarifying device
F01N   3/18  E	3	0	3G091	F01N   3/18	113	Ǥ֤γ	Activity improvement for the poisoned clarifying device
F01N   3/18  F	3	0	3G091	F01N   3/18	272	֤ХѥϩĤΡֿޡ	having a channel that bypasses the clarifying device, [figure]
F01N   3/18  G	3	0	3G091	F01N   3/18	130	֤ˤơХѥϩĤΡʣƣΣƤͥ	having a bypass channel in the clarifying device (other than F01N3/18F)
F01N   3/18  Z	3	0	3G091	F01N   3/18	120	¾Τ	Others
F01N   3/20  \	4	4	3G091	F01N   3/20	30	ä˿ޤˤѴŬѤΡʣƣΣͥˡΣ	specially adapted for catalytic conversion (F01N 3/22 takes precedence) [3]
F01N   3/20  A	4	0	3G091	F01N   3/20	450	ޤ	Cooling the catalyst
F01N   3/20  B	4	0	3G091	F01N   3/20	1895	ޤκ	Recovering the catalyst
F01N   3/20  C	4	0	3G091	F01N   3/20	2705	ޤη	Alarm means of the catalyst
F01N   3/20  D	4	0	3G091	F01N   3/20	2149	޻ưγ	Activity improvement at the start of the catalyst
F01N   3/20  H	4	1	3G091	F01N   3/20	493	ʣοޤĤ	having multiple catalysts
F01N   3/20  J	4	2	3G091	F01N   3/20	331	ХѥϩĤ	having a bypass channel
F01N   3/20  K	4	1	3G091	F01N   3/20	1879	ҡĤ	having a heater
F01N   3/20  L	4	1	3G091	F01N   3/20	325	СʤĤ	having a burner
F01N   3/20  E	4	0	3G091	F01N   3/20	1752	Ǥޤγ	Activity improvement for the poisoned catalyst
F01N   3/20  F	4	0	3G091	F01N   3/20	431	ޤХѥϩĤΡֿޡ	having a channel that bypasses the catalyst, [figure]
F01N   3/20  M	4	1	3G091	F01N   3/20	357	ڴۼ	Change-over valve per se
F01N   3/20  N	4	1	3G091	F01N   3/20	663	ʣοޤĤ	having multiple catalysts
F01N   3/20  P	4	1	3G091	F01N   3/20	213	ӵϤ¾֤ȴϢ	related to other devices in the exhaust system
F01N   3/20  Q	4	2	3G091	F01N   3/20	43	ޥե	Muffler
F01N   3/20  R	4	1	3G091	F01N   3/20	579	ӵϰʳ֡ȴϢ	related to control of the devices/engines other than the exhaust system
F01N   3/20  S	4	2	3G091	F01N   3/20	200	뵡	Supercharger
F01N   3/20  T	4	2	3G091	F01N   3/20	33		Control of the number of  cylinders
F01N   3/20  U	4	1	3G091	F01N   3/20	295	Хѥ̤ħ	characterized by control of the bypass volume
F01N   3/20  V	4	2	3G091	F01N   3/20	219	٤˱	responding the temperature
F01N   3/20  W	4	3	3G091	F01N   3/20	26	ҥ塼ۡήǻ	Fuse valve, fluid device
F01N   3/20  G	4	0	3G091	F01N   3/20	225	ޤˤơХѥϩĤΡʣƣΣƤͥ	having a bypass channel in the catalyst (other than F01N3/20F)
F01N   3/20  X	4	1	3G091	F01N   3/20	27	ȴϢ	related to control of the number of cylinders
F01N   3/20  Z	4	0	3G091	F01N   3/20	239	¾Τ	Others
F01N   3/22  \	4	4	3G091	F01N   3/22	269	źöζΤߤĴ㡥Хѥ뤤ϲѤζݥ׶ưʤˤΡΣ	Regulation of additional air supply only, e.g. using by-passes or variable air pump drives [3]
F01N   3/22 301 \	5	5	3G091	F01N   3/22	5	֤Фƶ뤹	supplied to the catalyst device
F01N   3/22 301 A	5	0	3G091	F01N   3/22	154	٤˱	responding the temperature
F01N   3/22 301 B	5	1	3G091	F01N   3/22	307	ӥβ١ʣƣΣˤͥ	Temperature of the catalyst or exhaust gas (F01N3/22 301K takes precedence.)
F01N   3/22 301 C	5	0	3G091	F01N   3/22	143	١˱	responding the altitude or atmospheric temperature
F01N   3/22 301 D	5	0	3G091	F01N   3/22	28	ե˱	responding the orifice differential pressure
F01N   3/22 301 E	5	0	3G091	F01N   3/22	83	ص̡٥鰵˱	responding the engine feed air volume or Venturi negative pressure
F01N   3/22 301 F	5	0	3G091	F01N   3/22	86	ӥ̡Ϥ˱	responding the exhaust gas volume or pressure
F01N   3/22 301 G	5	0	3G091	F01N   3/22	152	ӥ󥵤˱	responding the exhaust gas sensor
F01N   3/22 301 H	5	0	3G091	F01N   3/22	39	ʣζ븻Ĥ	having multiple air supply sources
F01N   3/22 301 J	5	0	3G091	F01N   3/22	97	ʣζĤ	having multiple air supply destinations
F01N   3/22 301 K	5	1	3G091	F01N   3/22	48	٤˱ΡʣƣΣ̤ͥ	responding the temperature (F01N3/22 301L takes precedence.)
F01N   3/22 301 L	5	1	3G091	F01N   3/22	112	ʣοޤĤ	having multiple catalysts
F01N   3/22 301 M	5	0	3G091	F01N   3/22	193	ޤβήʣοޤ֤˶뤹ΡʣƣΣ̤ͥ	supplied to the downstream of the catalyst or between multiple catalysts (F01N3/22 301L takes precedence.)
F01N   3/22 301 N	5	0	3G091	F01N   3/22	38	եСɻ	After-burning prevention
F01N   3/22 301 P	5	0	3G091	F01N   3/22	153	ðˤʣƣΣƣΣΤͥ	Control in pressurized supply (F01N3/22 301A to F01N3/22 301N take precedence.)
F01N   3/22 301 Q	5	1	3G091	F01N   3/22	91	ð򿮹ȤѤ	utilising the pressurised air as the signal
F01N   3/22 301 R	5	1	3G091	F01N   3/22	54	鰵ٱ䡤¤	delaying or mitigating the negative pressure signal
F01N   3/22 301 S	5	0	3G091	F01N   3/22	101		Control parts
F01N   3/22 301 T	5	1	3G091	F01N   3/22	55	ӵϤȥ꡼շϤȤڴ	Change-over valve between the exhaust system and relief system
F01N   3/22 301 U	5	1	3G091	F01N   3/22	48	鰵	Negative pressure control valve
F01N   3/22 301 V	5	1	3G091	F01N   3/22	42	꡼	Relief valve
F01N   3/22 301 W	5	1	3G091	F01N   3/22	30		Sensor
F01N   3/22 301 X	5	0	3G091	F01N   3/22	161	ݥ׶ư	Control of driving the air pump
F01N   3/22 301 Z	5	0	3G091	F01N   3/22	170	¾Τ	Others
F01N   3/22 311 \	6	6	3G091	F01N   3/22	1	źöְʳ֤ȴϢΡʣƣΣͥ	related to devices other than the added air supply device (F01N3/22 321 takes precedence.)
F01N   3/22 311 A	6	0	3G091	F01N   3/22	89	ţǣ	EGR
F01N   3/22 311 B	6	0	3G091	F01N   3/22	128	뵡	Supercharger
F01N   3/22 311 C	6	0	3G091	F01N   3/22	34	з	Ignition system
F01N   3/22 311 D	6	0	3G091	F01N   3/22	23	®å	Transmission, clutch
F01N   3/22 311 E	6	0	3G091	F01N   3/22	13	󥸥ѷ	Engine cooling system
F01N   3/22 311 F	6	0	3G091	F01N   3/22	114	۵¦	Feed side
F01N   3/22 311 G	6	1	3G091	F01N   3/22	39	ʤۤȵŪϢư	mechanically interlocked with the throttle valve
F01N   3/22 311 H	6	1	3G091	F01N   3/22	12	åȥ륪ץ	Throttle opener
F01N   3/22 311 J	6	1	3G091	F01N   3/22	23		Carbureter
F01N   3/22 311 K	6	2	3G091	F01N   3/22	29	硼	Choke valve
F01N   3/22 311 L	6	1	3G091	F01N   3/22	134	۵¦ǳ	Feed side air-fuel ratio
F01N   3/22 311 M	6	0	3G091	F01N   3/22	14	ȯ	Pressure generating device
F01N   3/22 311 N	6	0	3G091	F01N   3/22	12		Control of the number of  cylinders
F01N   3/22 311 Z	6	0	3G091	F01N   3/22	89	¾Τ	Others
F01N   3/22 321 \	6	6	3G091	F01N   3/22	2	ޤĤ	having a three-dimensional catalyst
F01N   3/22 321 A	6	0	3G091	F01N   3/22	45	٤˱	responding the temperature
F01N   3/22 321 B	6	1	3G091	F01N   3/22	76	ӥβ	Catalyst or exhaust gas temperature
F01N   3/22 321 C	6	0	3G091	F01N   3/22	2	١˱	responding the altitude or atmospheric temperature
F01N   3/22 321 D	6	0	3G091	F01N   3/22	44	ư³ַŪ˶뤹	supplied oscillatorily, continually, or intermittently
F01N   3/22 321 E	6	0	3G091	F01N   3/22	24	ţǣҤȴϢ	related to EGR
F01N   3/22 321 F	6	0	3G091	F01N   3/22	38	뵡ȴϢ	related to the supercharger
F01N   3/22 321 G	6	0	3G091	F01N   3/22	19	ȴϢ	related to control of the number of cylinders
F01N   3/22 321 H	6	0	3G091	F01N   3/22	33	ʣζĤ	having multiple air supply destinations
F01N   3/22 321 J	6	0	3G091	F01N   3/22	79	ʣοޤĤ	having multiple catalysts
F01N   3/22 321 K	6	0	3G091	F01N   3/22	53	󥵤ϥ󥵼	Air supply port, sensor layout, or sensor per se
F01N   3/22 321 L	6	0	3G091	F01N   3/22	81	۵¦֡ȴϢ	related to control of the devices/engines on the feed side
F01N   3/22 321 M	6	1	3G091	F01N   3/22	23		Carbureter
F01N   3/22 321 N	6	1	3G091	F01N   3/22	113	۵¦ǳ	Feed side air-fuel ratio
F01N   3/22 321 P	6	2	3G091	F01N   3/22	53	ɥϥեɥХå߻	during idling or feedback control stop
F01N   3/22 321 Q	6	2	3G091	F01N   3/22	4	۵¦ǳư	oscillating the feed side air-fuel ratio
F01N   3/22 321 R	6	0	3G091	F01N   3/22	104	ӥ󥵤ˤ룲ʣƣΣƣΣѤͥ	Secondary air control by the exhaust gas sensor (F01N3/22 321A to F01N3/22 321Q take precedence.)
F01N   3/22 321 S	6	1	3G091	F01N   3/22	24	ʣӥ󥵤Ĥ	having multiple exhaust gas sensors
F01N   3/22 321 T	6	1	3G091	F01N   3/22	15	åפ	Skipping
F01N   3/22 321 U	6	1	3G091	F01N   3/22	2	ۤκư®٤Ĵ	Control valve running speed adjustment
F01N   3/22 321 V	6	1	3G091	F01N   3/22	20	ʣƣΣդͥ	Response improvement (F01N3/22 321U takes precedence.)
F01N   3/22 321 W	6	1	3G091	F01N   3/22	3	٤ˤǳư򾮤	minimizing air-fuel ratio variation caused by the load
F01N   3/22 321 Z	6	0	3G091	F01N   3/22	57	¾Τ	Others
F01N   3/24  \	3	3	3G091	F01N   3/24	17	Ѵ֤ι¤Ṳ̄ħĤΡʿȿ֤Ȥ߹碌ɲ֣ƣΣˡΣ	characterised by constructional aspects of converting apparatus (filtering device combined with catalysisF01N3/035)  [3, 7]
F01N   3/24  A	3	0	3G091	F01N   3/24	321	ӵɤ˿ޤ¾ӵ֤ȤĤ	having the catalyst and another exhaust clarifying device in the exhaust pipe
F01N   3/24  B	3	1	3G091	F01N   3/24	636	ޤĤ	having a three-dimensional catalyst
F01N   3/24  C	3	1	3G091	F01N   3/24	1834	ʣοޤĤΡʣƣΣ¤ͥ	having multiple catalysts (F01N3/24B takes precedence.)
F01N   3/24  D	3	1	3G091	F01N   3/24	45	ޥꥢĤΡʣƣΣ¡ƣΣäͥ	having a thermal reactor (F01N3/24B and F01N3/24C take precedence.)
F01N   3/24  E	3	1	3G091	F01N   3/24	5120	ե륿Ĥ	having a filter or adsorbing material
F01N   3/24  F	3	0	3G091	F01N   3/24	703	ǳ϶ζӵӵϤ¾֤ȴϢ뿨ޡʣƣΣͥ表ޤΥХѥϩĤΤϣƣΣ	Catalyst related to the exhaust pipe or another device in the exhaust system except for fuel or air supply (F02N3/24A takes precedence; having a bypass channel for the catalyst F01N3/20)
F01N   3/24  G	3	1	3G091	F01N   3/24	480	ޥ˥ۥɰʳʣӵɤĤ	having multiple exhaust pipes besides manifold
F01N   3/24  H	3	2	3G091	F01N   3/24	161	ʣ	Multiple inlets
F01N   3/24  J	3	1	3G091	F01N   3/24	694	ޥեȴϢΡʣƣΣ̤ͥ	related to the muffler (F01N3/24L takes precedence.)
F01N   3/24  K	3	1	3G091	F01N   3/24	314	ưؼ	for motorbikes
F01N   3/24  L	3	1	3G091	F01N   3/24	3189	Ǯ򴹡ѡǮǮʤĤ	having a heat exchange, cooling, heating, or heat storage means
F01N   3/24  M	3	2	3G091	F01N   3/24	41	۵Ǯ	Feed heating
F01N   3/24  N	3	1	3G091	F01N   3/24	2388	ӥήεήʤĤ	having an exhaust gas flow regulation or adjustment means
F01N   3/24  P	3	2	3G091	F01N   3/24	157	¿ʿľʣƣΣѤͥ	Flat perforated plate (F01N3/24Q takes precedence.)
F01N   3/24  Q	3	2	3G091	F01N   3/24	182	޲ή¦	Downstream of the catalyst
F01N   3/24  R	3	0	3G091	F01N   3/24	4830	ӵϰʳ֡ȴϢ뿨	Catalyst related to control of the devices/engines other than the exhaust system
F01N   3/24  S	3	1	3G091	F01N   3/24	1146	ţǣ	EGR
F01N   3/24  T	3	1	3G091	F01N   3/24	961	뵡	Supercharger
F01N   3/24  U	3	1	3G091	F01N   3/24	687	ޤĤ	having a three-dimensional catalyst
F01N   3/24  Z	3	0	3G091	F01N   3/24	269	¾Τ	Others
F01N   3/26  \	4	4	3G091	F01N   3/26	3	Ǯȿ֤ι¤Σ	Construction of thermal reactors [3]
F01N   3/26  A	4	0	3G091	F01N   3/26	112	ݲǮǮ	Heat keeping, heat insulation, heat storage
F01N   3/26  B	4	1	3G091	F01N   3/26	102	ޥꥢ	Thermal reactor
F01N   3/26  C	4	2	3G091	F01N   3/26	78	ɤ˴Ϣ	related to the inlet tube
F01N   3/26  D	4	2	3G091	F01N   3/26	41	󥸥Τؤμ	Installation on the engine body
F01N   3/26  E	4	2	3G091	F01N   3/26	73	ȿι	Configuration of the inside of the reaction cylinder
F01N   3/26  F	4	3	3G091	F01N   3/26	63	ӥήεή	Exhaust gas flow regulation or adjustment means
F01N   3/26  G	4	2	3G091	F01N   3/26	99	ǮѷεۼѰ̲ǽȤ	Thermal deformation absorption or relative displacement enabled
F01N   3/26  H	4	2	3G091	F01N   3/26	16	ӵϤˤӥή	Exhaust gas return in the exhaust system
F01N   3/26  J	4	2	3G091	F01N   3/26	87	Ǯʤη	Heat insulation means shape or layout
F01N   3/26  K	4	2	3G091	F01N   3/26	30	Ǯɻߡ	Overheat prevention, cooling
F01N   3/26  L	4	0	3G091	F01N   3/26	175	ӵӵϤ¾֤ȴϢ	related to the exhaust pipe or another device in the exhaust system
F01N   3/26  M	4	0	3G091	F01N   3/26	77	ӵϰʳ֡ȴϢ	related to control of the devices/engines other than the exhaust system
F01N   3/26  Z	4	0	3G091	F01N   3/26	43	¾Τ	Others
F01N   3/28  \	4	4	3G091	F01N   3/28	674	ȿ֤ι¤Σ	Construction of catalytic reactors [3]
F01N   3/28  A	4	0	3G091	F01N   3/28	97	ե	Axial flow
F01N   3/28  B	4	0	3G091	F01N   3/28	129	饸ե	Radial flow
F01N   3/28  C	4	1	3G091	F01N   3/28	50	߿	Conical case
F01N   3/28  D	4	0	3G091	F01N   3/28	84	ե	Down flow
F01N   3/28  E	4	1	3G091	F01N   3/28	55	޾Υץ졼Ȥħ	characterised by the plate of the catalyst floor
F01N   3/28  F	4	1	3G091	F01N   3/28	73	ޤΥؤμ	Installing the catalyst on the case
F01N   3/28  G	4	0	3G091	F01N   3/28	36	롤饸ϥե	Axial, radial, or down flow
F01N   3/28  H	4	0	3G091	F01N   3/28	76	ȿžե	Inverted flow
F01N   3/28  J	4	0	3G091	F01N   3/28	347	ľʣοޤĤ	having multiple catalysts in series
F01N   3/28  K	4	1	3G091	F01N   3/28	55	ե	Down flow
F01N   3/28  L	4	0	3G091	F01N   3/28	141	ϥ˥࿨ޤĤ	having a honey-comb catalyst
F01N   3/28  M	4	0	3G091	F01N   3/28	161	ӵϤοްʳ֤ȴϢ	related to devices other than the catalyst in the exhaust system
F01N   3/28  N	4	1	3G091	F01N   3/28	241	ޥե	Muffler
F01N   3/28  P	4	0	3G091	F01N   3/28	111	ӵϰʳ֤ȴϢ	related to devices other than the exhaust system
F01N   3/28  Q	4	0	3G091	F01N   3/28	466	޼	Catalyst per se
F01N   3/28  Z	4	0	3G091	F01N   3/28	206	¾Τ	Others
F01N   3/28 301 \	5	5	3G091	F01N   3/28	20	ϥ˥ϥΥꥹ	Honey-comb or monolith type
F01N   3/28 301 A	5	0	3G091	F01N   3/28	384	ޤĤ	having a three-dimensional catalyst
F01N   3/28 301 B	5	1	3G091	F01N   3/28	397	ʣοޤĤ	having multiple catalysts
F01N   3/28 301 C	5	0	3G091	F01N   3/28	3304	ԸޤĤ	having a reducing catalyst
F01N   3/28 301 D	5	1	3G091	F01N   3/28	517	Ըޤβή˻ޤĤΡʣƣΣƤͥ	having an oxidating catalyst on the downstream of the reducing catalyst (F01N3/28 301F takes precedence.)
F01N   3/28 301 E	5	1	3G091	F01N   3/28	905	Ըޤξή˻ޤĤΡʣƣΣƤͥ	having an oxidating catalyst on the upstream of the reducing catalyst (F01N3/28 301F takes precedence.)
F01N   3/28 301 F	5	1	3G091	F01N   3/28	407	İʾοޤĤ	having at least three catalysts
F01N   3/28 301 G	5	0	3G091	F01N   3/28	833	ʣοޤĤ	having multiple catalysts
F01N   3/28 301 H	5	1	3G091	F01N   3/28	290		Parallel
F01N   3/28 301 J	5	1	3G091	F01N   3/28	226	İʾοޤĤ	having at least three catalysts
F01N   3/28 301 K	5	0	3G091	F01N   3/28	65	եʳΤ	other than axial flow
F01N   3/28 301 L	5	1	3G091	F01N   3/28	119	饸ե	Radial flow
F01N   3/28 301 M	5	1	3G091	F01N   3/28	51	եФե	Down flow, diagonal flow
F01N   3/28 301 N	5	0	3G091	F01N   3/28	153	ϥ˥࿨ޥåȤμռ	Means of installing the honey-comb catalyst cassette
F01N   3/28 301 P	5	0	3G091	F01N   3/28	4033	޼Τ¤	Internal structure of the catalyst per se
F01N   3/28 301 Q	5	1	3G091	F01N   3/28	799	ô̤Ѥ	changing the carried volume
F01N   3/28 301 R	5	1	3G091	F01N   3/28	59	̵Ǥ	Curved air vent
F01N   3/28 301 S	5	1	3G091	F01N   3/28	108	ܾ	Three-dimensional mesh type
F01N   3/28 301 T	5	1	3G091	F01N   3/28	56	ưؼ	for motorbikes
F01N   3/28 301 U	5	0	3G091	F01N   3/28	852	ޤΥؤμա	Installing the catalyst on the case, installed part
F01N   3/28 301 V	5	0	3G091	F01N   3/28	1026	ӵɤؤμա	Installing the case on the exhaust pipe, installed part
F01N   3/28 301 W	5	0	3G091	F01N   3/28	691	ʣƣΣաƣΣ֤ͥ	Case (F01N3/28 301U and F01N3/28 301V take precedence.)
F01N   3/28 301 Z	5	0	3G091	F01N   3/28	337	¾Τ	Others
F01N   3/28 311 \	6	6	3G091	F01N   3/28	0	޼Τ˲ɻ߼ʤĤ	having a mean of preventing the destruction of the catalyst per se
F01N   3/28 311 A	6	0	3G091	F01N   3/28	121	ʣοޤĤ	having multiple catalysts in the axial direction
F01N   3/28 311 B	6	0	3G091	F01N   3/28	67	ٻʤĤ	having an axial supporting means
F01N   3/28 311 C	6	1	3G091	F01N   3/28	131	ޤüбͭʤĤΡʣƣΣͥˡֿޡ	having a means of a cylinder with a bottom corresponding to the end of the catalyst (F01N3/28 311J takes precedence.) [figure]
F01N   3/28 311 D	6	2	3G091	F01N   3/28	21	̤Ĺ߷μʤĤΡֿޡ	having a means of a rectangular or circular cross section, [figure]
F01N   3/28 311 E	6	1	3G091	F01N   3/28	36	ƣΣäμʤоΤͭʤĤΡֿޡ	having a means of a cylinder with a bottom that is symmetrical to the means in F01N3/28 311C [figure]
F01N   3/28 311 F	6	2	3G091	F01N   3/28	57	̤Ĺ߷μʤĤΡֿޡ	having a means of a rectangular or circular cross section, [figure]
F01N   3/28 311 G	6	1	3G091	F01N   3/28	35	ƣΣäȣƣΣŤμʤ򶦤ˤĤΡֿޡ	having both means in F01N3/28 311C and F01N3/28 311E, [figure]
F01N   3/28 311 H	6	1	3G091	F01N   3/28	96	ٻʤ¤¤ˡ	Internal structure or manufacturing method of an axial supporting means
F01N   3/28 311 J	6	2	3G091	F01N   3/28	86	ٻʤƣΣäμʤǤ	Means in F01N3/28 311C for an axial supporting means
F01N   3/28 311 K	6	2	3G091	F01N   3/28	46	ơʡե󥸤ȴϢ	related to the retainer or flange
F01N   3/28 311 L	6	1	3G091	F01N   3/28	25	߿ٻʤĤ	having a conical supporting means
F01N   3/28 311 M	6	0	3G091	F01N   3/28	328	Ⱦٻʤħ	characterized by the radial supporting means
F01N   3/28 311 N	6	1	3G091	F01N   3/28	824	åࡤ¤¤ˡ	Internal structure or manufacturing method of the cushion material or seal material
F01N   3/28 311 P	6	2	3G091	F01N   3/28	328	¤ˡˡ	Manufacturing method, moulding method
F01N   3/28 311 Q	6	0	3G091	F01N   3/28	199	Ⱦåࡤμħ	characterised by axial fastening of the radical cushion material or seal material
F01N   3/28 311 R	6	0	3G091	F01N   3/28	265	޼Τη¤	Shape or internal structure of the catalyst per se
F01N   3/28 311 S	6	0	3G091	F01N   3/28	557	ޤΥؤμա	Installing the catalyst on the case, installed part
F01N   3/28 311 T	6	0	3G091	F01N   3/28	219	ӵɤؤμա	Installing the case on the exhaust pipe, installed part
F01N   3/28 311 U	6	0	3G091	F01N   3/28	309	ʣƣΣӡƣΣԤͥ	Case (F01N3/28 311S and F01N3/28 311T take precedence.)
F01N   3/28 311 Z	6	0	3G091	F01N   3/28	66	¾Τ	Others
F01N   3/30  \	4	4	3G091	F01N   3/30	0	źöζΤ֡Ĵ㡥Хѥ뤤ϲѤζݥ׶ưʤˤΡƣΣˡΣ	Arrangements for supply of additional air (regulation, e.g. using by-passes or variable air pump drives, F01N 3/22) [3]
F01N   3/30  A	4	0	3G091	F01N   3/30	104	ι¤	Structure or layout of the secondary air intake
F01N   3/30  B	4	0	3G091	F01N   3/30	214	ι¤	Structure or layout of the secondary air supply
F01N   3/30  C	4	1	3G091	F01N   3/30	109	ޤȴϢ	related to catalysts
F01N   3/30  D	4	0	3G091	F01N   3/30	87	ͽǮ	Preheat of the secondary air
F01N   3/30  E	4	0	3G091	F01N   3/30	74	ð鰵ξʤĤ	having both supply means of the pressurised type and negative pressure type
F01N   3/30  F	4	0	3G091	F01N   3/30	18	žԥȥ󵡴	for rotary piston engines
F01N   3/30  G	4	0	3G091	F01N   3/30	52	ưؼ	for motorbikes
F01N   3/30  Z	4	0	3G091	F01N   3/30	49	¾Τ	Others
F01N   3/32  \	5	5	3G091	F01N   3/32	26	ݥפѤΡʮήݥפѤΣƣΣݥװ̣ƣˡΣ	using air pumps (using jet air pumps F01N 3/34; pumps in general F04) [3]
F01N   3/32  A	5	0	3G091	F01N   3/32	72	ι¤	Structure or layout of the secondary air intake
F01N   3/32  B	5	0	3G091	F01N   3/32	190	ι¤	Structure or layout of the secondary air supply
F01N   3/32  C	5	0	3G091	F01N   3/32	21	󥯼̷ݥ	Crank chamber compression type air pump
F01N   3/32  D	5	0	3G091	F01N   3/32	70	ްʳӵ֤˴ؤ	related to the exhaust clarifying device other than the catalyst
F01N   3/32  E	5	0	3G091	F01N   3/32	72	ջۡ꡼ۼ	Check valve or relief valve per se
F01N   3/32  F	5	0	3G091	F01N   3/32	120	ݥ׼ΡʣƣΣäͥ	Air pump per se (F01N3/32C takes precedence.)
F01N   3/32  G	5	0	3G091	F01N   3/32	116	ݥפζưʡʣƣΣäͥ	Air pump driving means (F01N3/32C takes precedence.)
F01N   3/32  Z	5	0	3G091	F01N   3/32	151	¾Τ	Others
F01N   3/32 301 \	6	6	3G091	F01N   3/32	0	źöϩʤĤΡʣƣΣͥ	having a control means in the added air supply channel (F01N3/22 takes precedence.)
F01N   3/32 301 A	6	0	3G091	F01N   3/32	53	ޤĤ	having a three-dimensional catalyst
F01N   3/32 301 B	6	0	3G091	F01N   3/32	169	¾֤ȴϢ	related to other devices
F01N   3/32 301 C	6	1	3G091	F01N   3/32	36	ţǣ	EGR
F01N   3/32 301 D	6	1	3G091	F01N   3/32	63	뵡	Supercharger
F01N   3/32 301 Z	6	0	3G091	F01N   3/32	113	¾Τ	Others
F01N   3/34  \	5	5	3G091	F01N   3/34	1	ƳɤޤʮήݥפѤΡ㡥ؤӵζ˵Σ	using air conduits or jet air pumps, e.g. near the engine exhaust port [3]
F01N   3/34  A	5	0	3G091	F01N   3/34	97	޾ή˶뤹ΡʣƣΣäͥ	supplied to the upstream of the catalyst (F01N3/34C takes precedence.)
F01N   3/34  B	5	1	3G091	F01N   3/34	44	ưؼ	for motorbikes
F01N   3/34  C	5	0	3G091	F01N   3/34	89	ӵ˵˶뤹	supplied near the exhaust port
F01N   3/34  D	5	1	3G091	F01N   3/34	154	ưؼ	for motorbikes
F01N   3/34  E	5	0	3G091	F01N   3/34	171	ι¤	Structure or layout of the secondary air intake
F01N   3/34  F	5	0	3G091	F01N   3/34	54	ʣοޤ֤˶뤹	supplied between multiple catalysts
F01N   3/34  G	5	0	3G091	F01N   3/34	134	ϩ̤μʤĤ	having a special means in the secondary air channel
F01N   3/34  H	5	0	3G091	F01N   3/34	165	ջۼ	Check valve per se
F01N   3/34  J	5	0	3G091	F01N   3/34	23	ӵɤʣζĤ	having multiple supply ports on an exhaust pipe
F01N   3/34  K	5	0	3G091	F01N   3/34	178	ϩη	Shape or layout of the secondary air channel
F01N   3/34  L	5	0	3G091	F01N   3/34	35	ӵϰʳ֡ȴϢ	related to control of the devices/engines other than the exhaust system
F01N   3/34  M	5	1	3G091	F01N   3/34	35	ţǣҡ֥Х	EGR, blow-by gas
F01N   3/34  N	5	1	3G091	F01N   3/34	29	뵡	Supercharger
F01N   3/34  P	5	0	3G091	F01N   3/34	4	ޤĤ	having a three-dimensional catalyst
F01N   3/34  Z	5	0	3G091	F01N   3/34	31	¾Τ	Others
F01N   3/34 301 \	6	6	3G091	F01N   3/34	0	źöϩʤĤΡʣƣΣͥ	having a control means in the added air supply channel (F01N3/34 311 takes precedence.)
F01N   3/34 301 A	6	0	3G091	F01N   3/34	75	٤˱	responding the temperature
F01N   3/34 301 B	6	1	3G091	F01N   3/34	22	Х᥿뼰	Bimetal type
F01N   3/34 301 C	6	0	3G091	F01N   3/34	49	ι¤	Structure or layout of the secondary air intake
F01N   3/34 301 D	6	0	3G091	F01N   3/34	43	ʣΣϩϥХѥϩĤ	having multiple secondary air channels or bypass channels
F01N   3/34 301 E	6	0	3G091	F01N   3/34	26	ޤĤ	having a three-dimensional catalyst
F01N   3/34 301 F	6	1	3G091	F01N   3/34	47	۵¦ȴϢ	related to feed side engine control
F01N   3/34 301 G	6	1	3G091	F01N   3/34	26	ӥ󥵤ˤ룲	Secondary air control by using an exhaust gas sensor
F01N   3/34 301 H	6	1	3G091	F01N   3/34	20	ưؼ	for motorbikes
F01N   3/34 301 J	6	0	3G091	F01N   3/34	63	ջۼΡʣƣΣ¤ͥ	Check valve per se (F01N3/34 301B takes precedence.)
F01N   3/34 301 K	6	0	3G091	F01N   3/34	55	ưؼѡʣƣΣȤͥ	for motorbikes (F01N3/34 301H takes precedence.)
F01N   3/34 301 L	6	0	3G091	F01N   3/34	15	Хե饤ХַۤĤ	having a butterfly valve type control valve
F01N   3/34 301 M	6	0	3G091	F01N   3/34	36	ӵϰʳ֡ȴϢ	related to control of the devices/engines other than the exhaust system
F01N   3/34 301 N	6	1	3G091	F01N   3/34	8	۵ϣ	Feed system secondary air
F01N   3/34 301 P	6	1	3G091	F01N   3/34	26		Carbureter
F01N   3/34 301 Q	6	1	3G091	F01N   3/34	32	ţǣҡ֥Х	EGR, blow-by gas
F01N   3/34 301 R	6	1	3G091	F01N   3/34	21	뵡	Supercharger
F01N   3/34 301 Z	6	0	3G091	F01N   3/34	104	¾Τ	Others
F01N   3/34 311 \	6	6	3G091	F01N   3/34	0	ʮήݥפĤ	having a jet type air pump
F01N   3/34 311 A	6	0	3G091	F01N   3/34	84		Ejector
F01N   3/34 311 B	6	1	3G091	F01N   3/34	8	ХѥӵϩĤ	having an exhaust channel that bypasses the ejector
F01N   3/34 311 C	6	1	3G091	F01N   3/34	5	ʤήϩѤѲ	changing the fluid channel cross-sectional area at the drawn part
F01N   3/34 311 D	6	1	3G091	F01N   3/34	20	ӵήȿľή	Secondary air that flows in perpendicularly to the exhaust flow
F01N   3/34 311 Z	6	0	3G091	F01N   3/34	36	¾Τ	Others
F01N   3/36  \	4	4	3G091	F01N   3/36	1	źǳζΤ֡Σ	Arrangements for supply of additional fuel [3]
F01N   3/36  A	4	0	3G091	F01N   3/36	402	ǳ絤Τߤ򶡵뤹	supplying the fuel mixed air only
F01N   3/36  B	4	1	3G091	F01N   3/36	1730	ħ	characterized by control
F01N   3/36  C	4	1	3G091	F01N   3/36	724	ӵӵϤ¾֤ȴϢ	related to the exhaust pipe or another device in the exhaust system
F01N   3/36  D	4	1	3G091	F01N   3/36	217	СǮʤȴϢ	related to the ignition or heating means
F01N   3/36  E	4	0	3G091	F01N   3/36	56	Τߤ򶡵뤹	supplying the secondary air only
F01N   3/36  F	4	1	3G091	F01N   3/36	43	ħ	characterized by control
F01N   3/36  G	4	1	3G091	F01N   3/36	59	ӵӵϤ¾֤ȴϢ	related to the exhaust pipe or another device in the exhaust system
F01N   3/36  H	4	1	3G091	F01N   3/36	45	СǮʤȴϢ	related to the ignition or heating means
F01N   3/36  J	4	0	3G091	F01N   3/36	122	ǳ絤ȣȤ򶡵뤹	supplying the fuel mixed air and secondary air
F01N   3/36  K	4	1	3G091	F01N   3/36	79	ǳ絤Ϥħ	characterized by the fuel mixed air system
F01N   3/36  L	4	1	3G091	F01N   3/36	56	Ϥħ	characterized by the secondary air system
F01N   3/36  M	4	1	3G091	F01N   3/36	75	ӵӵϤ¾֤ȴϢ	related to the exhaust pipe or another device in the exhaust system
F01N   3/36  N	4	1	3G091	F01N   3/36	59	СǮʤȴϢ	related to the ignition or heating means
F01N   3/36  P	4	0	3G091	F01N   3/36	98	СǮ	Ignition or heating means
F01N   3/36  Q	4	0	3G091	F01N   3/36	18	ӵɤݲǮ	Heat keeping or heat insulation of the exhaust pipe
F01N   3/36  R	4	0	3G091	F01N   3/36	249	ӵϰʳ֡ȴϢ	related to control of the devices/engines other than the exhaust system
F01N   3/36  S	4	0	3G091	F01N   3/36	29	ǳƼιʣƣΣƣΣҤͥ	Configuration in the re-combustion chamber (F01N3/36A to F01N3/36R take precedence.)
F01N   3/36  Z	4	0	3G091	F01N   3/36	111	¾Τ	Others
F01N   3/38  \	4	4	3G091	F01N   3/38	74	ФΤ֡Σ	Arrangements for igniting [3]
F01N   5/00  \	0	0	3G004	F01N   5/00	9	ӵͥ륮Ѥ֤ȷޤȤ߹蘆ӵޤϾò֡ʵ뵤ΤΡӵϤˤӵαưޤưͥ륮ѣƣ¡ˡΣ	Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy (using kinetic or wave energy of exhaust gases in exhaust systems for charging F02B) [2006.01]
F01N   5/00  A	0	0	3G004	F01N   5/00	78	ӵΰϤѤ	utilising the exhaust pressure
F01N   5/00  B	0	1	3G004	F01N   5/00	40	ԥȥΡ̥ݥԥȥޤͤư	driving the piston body (including the rotary piston)
F01N   5/00  C	0	1	3G004	F01N   5/00	48	Ρ㡥䡤ĥͤľӵŶ	filling the exhaust gas directly into a bag body, e.g. tire, air jack
F01N   5/00  D	0	1	3G004	F01N   5/00	43	ӵϤ̮ưѤ	utilising pulsation of the exhaust pressure
F01N   5/00  Z	0	0	3G004	F01N   5/00	40	¾	Others
F01N   5/02  \	1	1	3G004	F01N   5/02	70	ǮѤ	the devices using heat
F01N   5/02  A	1	0	3G004	F01N   5/02	362	ήΤǮΡ㡥ӥΥޥ̣͡ơȤͥ	heating a fluid, e.g. exhaust gas economiser (F to H take precedence.)
F01N   5/02  B	1	1	3G004	F01N   5/02	914	Ǯι	Configuration of a heat exchanger
F01N   5/02  C	1	2	3G004	F01N   5/02	271	ǮòϿޥСݥȰΤȤʤĤ	Heat exchanger unitised with the muffler or catalyst converter
F01N   5/02  D	1	2	3G004	F01N   5/02	159	ҡݥȥѥפѤ	using a heat pipe
F01N   5/02  E	1	2	3G004	F01N   5/02	185	ǮΤ	Heat storage type
F01N   5/02  F	1	0	3G004	F01N   5/02	642	Ǯ줿ήΤˤưϤȯΡ㡥ݥӥưΡ͡ӵľܺưήΤȤ΢	generating kinetic power by the heated fluid, e.g. driving a turbine (exhaust gas as the direct working fluid  R 5/00, 5/04)
F01N   5/02  G	1	0	3G004	F01N   5/02	702	ϤѤήΡ㡥ѿͤǮ	heating the engine or fluid, e.g. cooling water used therefor
F01N   5/02  H	1	1	3G004	F01N   5/02	241	ǳϵ۵Ǯ	heating the fuel or feed system
F01N   5/02  J	1	0	3G004	F01N   5/02	633	Ǯͥ륮ӤħΤΡ̣Ȥͥ衤ӵΰϡưͥ륮Ѥ΢	characterized by the application of thermal energy (A to H take precedence. Mainly utilising the exhaust gas pressure or kinetic energy R 5/00, 5/04)
F01N   5/02  K	1	1	3G004	F01N   5/02	312	˼ĴѤΡ̣Τͥ	used for warming or air conditioning (N takes precedence.)
F01N   5/02  L	1	1	3G004	F01N   5/02	32	饹ݤѤΡ㡥磻ѡѡ	used for cleaning glass, etc., e.g. for wipers
F01N   5/02  M	1	1	3G004	F01N   5/02	22	δ硤̤Ѥ	used for drying or selection of cereal
F01N   5/02  N	1	1	3G004	F01N   5/02	40	ۼൡǮѤ	used for the heat source of an absorption refrigerating machine
F01N   5/02  Z	1	0	3G004	F01N   5/02	213	¾	Others
F01N   5/04  \	1	1	3G004	F01N   5/04	10	ưͥ륮Ѥ	the devices using kinetic energy
F01N   5/04  A	1	0	3G004	F01N   5/04	294	ӵǥݥӥưΡ̥ԥȥΤư΢¡Ǯ줿ήΤˤưϤȯ΢ơ	driving the turbine with the exhaust gas (driving the piston body R 5/00, B; generating kinetic power with a heated fluid R 5/02, F)
F01N   5/04  B	1	1	3G004	F01N   5/04	190	ݥӥˤ굡ؤŪ˶ưϵؤ䵡ư	driving the engine supplementarily with a turbine or driving the accessory machine of the engine
F01N   5/04  C	1	0	3G004	F01N   5/04	69	ĥȥݥפȤƺѤ	operated as a jet pump
F01N   5/04  Z	1	0	3G004	F01N   5/04	73	¾	Others
F01N   9/00  \	0	0	3G091	F01N   9/00	39	ӵ֤ŵŪӵ֤ƻޤϿǤ֣ƣΣİʾǳƵصǽζƱŵŪƣģˡΣ	Electrical control of exhaust gas treating apparatus (monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N 11/00; conjoint electrical control of two or more combustion engine functions F02D 43/00) [4]
F01N   9/00  A	0	0	3G091	F01N   9/00	196		Control parts
F01N   9/00  Z	0	0	3G091	F01N   9/00	597	¾Τ	Others
F01N  11/00  \	0	0	3G091	F01N  11/00	5421	ӵ֤ƻޤϿǤ֡Σ	Monitoring or diagnostic devices for exhaust-gas treatment apparatus [7]
F01N  13/00  \	0	0	3G004	F01N  13/00	36	¤ÿˤäħŤ줿ӵޤϾò֡Σ	Exhaust or silencing apparatus characterised by constructional features [2010.01]
F01N  13/00  A	0	0	3G004	F01N  13/00	941	дĤ	having detector
F01N  13/00  B	0	0	3G004	F01N  13/00	861	ȴԤ	excuting a liquid withdrawal
F01N  13/00  C	0	0	3G004	F01N  13/00	975	òλٻ	support of silencers
F01N  13/00  Z	0	0	3G004	F01N  13/00	1710	¾Τ	others
F01N  13/02  \	1	1	3G004	F01N  13/02	261	ĤޤϤʾΩòľˤ֡Σ	having two or more separate silencers in series [2010.01]
F01N  13/04  \	1	1	3G004	F01N  13/04	249	ĤޤϤʾξòˤ֡㡥¿ѤϢĤΡΣ	having two or more silencers in parallel, e.g. having interconnections for multi-cylinder engines [2010.01]
F01N  13/06  \	1	1	3G004	F01N  13/06	13	äŬѤΡ㡥ӵޥ˥ۥɡΣ	specially adapted for star-arrangement of cylinders, e.g. exhaust manifolds [2010.01]
F01N  13/08  \	1	1	3G004	F01N  13/08	74	ӵɤΤ¾ιޤŬѡΣ	Other arrangements or adaptations of exhaust conduits [2010.01]
F01N  13/08  A	1	0	3G004	F01N  13/08	1695	Ź¤Τ	having dual structure
F01N  13/08  B	1	0	3G004	F01N  13/08	1936	ۤĤ	having open and close valves
F01N  13/08  C	1	0	3G004	F01N  13/08	149	۵Ϥ˷礷	combined with air intake systems
F01N  13/08  D	1	0	3G004	F01N  13/08	1208	ӵɤλٻ	support of exhaust pipes
F01N  13/08  E	1	0	3G004	F01N  13/08	1539	ɷѼڤӥե	pipe joints and flanges
F01N  13/08  F	1	1	3G004	F01N  13/08	1157	ѼڤӲ	flexible couplings and flexible pipes
F01N  13/08  G	1	0	3G004	F01N  13/08	977	ݥȥХѤΤ	for motorcycles
F01N  13/08  Z	1	0	3G004	F01N  13/08	2196	¾Τ	others
F01N  13/10  \	2	2	3G004	F01N  13/10	2858	ӵɤФΡΣ	of exhaust manifolds [2010.01]
F01N  13/12  \	1	1	3G004	F01N  13/12	544	ä˿ӵŬѤΡΣ	specially adapted for submerged exhausting [2010.01]
F01N  13/14  \	1	1	3G004	F01N  13/14	2509	ǮʤĤΡΣ	having thermal insulation [2010.01]
F01N  13/16  \	1	1	3G004	F01N  13/16	886	üʪ򤷤ΡΣ	Selection of particular materials [2010.01]
F01N  13/18  \	1	1	3G004	F01N  13/18	2757	¤Ωʬưפˤ뤿ι¤Σ	Construction facilitating manufacture, assembly or disassembly [2010.01]
F01N  13/20  \	1	1	3G004	F01N  13/20	812	ȳиĤΡ㡥ҤΣ	having flared outlets, e.g. of fish-tail shape [2010.01]
F01N  13/20  B	1	0	3G004	F01N  13/20	208	ĴǽʤΡ㡥ӵѤΤΡ	capable of adjusting (e.g. variable exhaust direction)
F01N  13/20  C	1	1	3G004	F01N  13/20	130	Ĥͭ	having opening and closing plate
F01N  13/20  D	1	0	3G004	F01N  13/20	112	ݥȥХϣ뵡ѤΤ	for motorcycles or 2-cycle engines
F01N  13/20  E	1	0	3G004	F01N  13/20	368	ķ̱ľͤӵиӵиɤͭΡ㡥ȥ饯ѤΤΡ	with vertical (verticaled upward direction) exhaust outlets or exhaust outlet pipes (e.g. for tractors)
F01N  13/20  Z	1	0	3G004	F01N  13/20	1015	¾Τ	others
F01N  99/00  \	0	0	3G004	F01N  99/00	3730	Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass [2010.01]
