FR2238039A1 - - Google Patents
Info
- Publication number
- FR2238039A1 FR2238039A1 FR7425205A FR7425205A FR2238039A1 FR 2238039 A1 FR2238039 A1 FR 2238039A1 FR 7425205 A FR7425205 A FR 7425205A FR 7425205 A FR7425205 A FR 7425205A FR 2238039 A1 FR2238039 A1 FR 2238039A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
- F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732337228 DE2337228A1 (de) | 1973-07-21 | 1973-07-21 | Brennkraftmaschine mit einer auslassleitung mit reduktionskatalysator und oxydationskatalysator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2238039A1 true FR2238039A1 (fr) | 1975-02-14 |
FR2238039B1 FR2238039B1 (fr) | 1977-03-18 |
Family
ID=5887667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7425205A Expired FR2238039B1 (fr) | 1973-07-21 | 1974-07-19 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4125997A (fr) |
JP (1) | JPS5042221A (fr) |
DE (1) | DE2337228A1 (fr) |
FR (1) | FR2238039B1 (fr) |
GB (1) | GB1481103A (fr) |
IT (1) | IT1016347B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001027446A1 (fr) * | 1999-10-08 | 2001-04-19 | Mezhotraslevoe Juridicheskoe Agentstvo Zakrytoe Aktsionernoe Obschestvo 'jurpromkonsulting' | Dispositif d'epuration des gaz d'echappement provenant d'un moteur a combustion interne |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4192141A (en) * | 1977-05-02 | 1980-03-11 | Toyota Jidosha Kegko Kabushiki Kaisha | Exhaust gas purifying system for engines |
US4873645A (en) * | 1987-12-18 | 1989-10-10 | Pitney Bowes, Inc. | Secure postage dispensing system |
SE500701C2 (sv) * | 1991-02-22 | 1994-08-15 | Volvo Ab | Förfarande och anordning vid katalytisk avgasrening för fordon med elektriskt uppvärmd startkatalysator |
DE4204603C2 (de) * | 1992-02-15 | 1996-02-29 | Hager & Elsaesser | Vorrichtung zur mehrstufigen, katalytischen Verbrennung von stickstoffhaltigen Gasen |
DE4436415A1 (de) * | 1994-10-12 | 1996-04-18 | Bosch Gmbh Robert | Einrichtung zum Nachbehandeln von Abgasen einer selbstzündenden Brennkraftmaschine |
JPH09133016A (ja) * | 1995-11-09 | 1997-05-20 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
DE19617563C2 (de) * | 1996-05-02 | 2000-06-15 | Daimler Chrysler Ag | Abgaskatalysatoranlage für einen Dieselmotor |
DE10005714A1 (de) * | 2000-02-09 | 2001-12-20 | Volkswagen Ag | Katalysatorsystem zur Nachbehandlung eines von einer Verbrennungskraftmaschine erzeugten Abgases |
WO2004097190A1 (fr) * | 2003-05-01 | 2004-11-11 | Yamaha Hatsudoki Kabushiki Kaisha | Moteur |
MY141622A (en) * | 2003-06-19 | 2010-05-31 | Yamaha Motor Co Ltd | Exhaust system for an engine |
JP2006199176A (ja) * | 2005-01-21 | 2006-08-03 | Yamaha Motor Co Ltd | スノーモービルの排気装置 |
JP2006199175A (ja) | 2005-01-21 | 2006-08-03 | Yamaha Motor Co Ltd | スノーモービル |
US8661786B2 (en) * | 2008-07-01 | 2014-03-04 | Woodward, Inc. | Passive secondary air delivery system for two bed catalyst system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826089A (en) * | 1971-07-07 | 1974-07-30 | Nissan Motor | Air-pollution preventive arrangement |
US3757521A (en) * | 1971-04-05 | 1973-09-11 | Chemical Construction Corp | Integrated engine exhaust emission control system |
JPS4832764A (fr) * | 1971-08-30 | 1973-05-02 | ||
FR2166504A5 (fr) * | 1971-12-28 | 1973-08-17 | Peugeot & Renault | |
US3809743A (en) * | 1972-01-07 | 1974-05-07 | Monsanto Co | Process for treating automotive exhaust |
US3825654A (en) * | 1972-04-21 | 1974-07-23 | Gulf Research Development Co | Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines |
-
1973
- 1973-07-21 DE DE19732337228 patent/DE2337228A1/de not_active Withdrawn
-
1974
- 1974-07-09 IT IT51983/74A patent/IT1016347B/it active
- 1974-07-12 GB GB31007/74A patent/GB1481103A/en not_active Expired
- 1974-07-19 US US05/490,106 patent/US4125997A/en not_active Expired - Lifetime
- 1974-07-19 FR FR7425205A patent/FR2238039B1/fr not_active Expired
- 1974-07-20 JP JP49082758A patent/JPS5042221A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001027446A1 (fr) * | 1999-10-08 | 2001-04-19 | Mezhotraslevoe Juridicheskoe Agentstvo Zakrytoe Aktsionernoe Obschestvo 'jurpromkonsulting' | Dispositif d'epuration des gaz d'echappement provenant d'un moteur a combustion interne |
Also Published As
Publication number | Publication date |
---|---|
GB1481103A (en) | 1977-07-27 |
IT1016347B (it) | 1977-05-30 |
FR2238039B1 (fr) | 1977-03-18 |
US4125997A (en) | 1978-11-21 |
DE2337228A1 (de) | 1975-02-06 |
JPS5042221A (fr) | 1975-04-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |