FR2674288B1 - - Google Patents
Info
- Publication number
- FR2674288B1 FR2674288B1 FR9201125A FR9201125A FR2674288B1 FR 2674288 B1 FR2674288 B1 FR 2674288B1 FR 9201125 A FR9201125 A FR 9201125A FR 9201125 A FR9201125 A FR 9201125A FR 2674288 B1 FR2674288 B1 FR 2674288B1
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- 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
-
- 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
- F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67377791A | 1991-03-21 | 1991-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2674288A1 FR2674288A1 (fr) | 1992-09-25 |
FR2674288B1 true FR2674288B1 (US08197722-20120612-C00042.png) | 1995-03-17 |
Family
ID=24704083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9201125A Granted FR2674288A1 (fr) | 1991-03-21 | 1992-01-31 | Soupape de commande et de non-retour d'air secondaire. |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4208045B4 (US08197722-20120612-C00042.png) |
FR (1) | FR2674288A1 (US08197722-20120612-C00042.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4307798A1 (de) * | 1993-03-12 | 1994-09-15 | Bosch Gmbh Robert | Kombiventil |
JP2825062B2 (ja) * | 1994-11-02 | 1998-11-18 | 株式会社デンソー | 電動エアポンプを備えた二次空気供給システム |
FR2727156B1 (fr) * | 1994-11-17 | 1996-12-27 | Sagem Allumage | Vanne de coupure pour circuit d'injection d'air a l'echappement de moteur a combustion interne |
JP4540762B2 (ja) * | 1999-01-18 | 2010-09-08 | 本田技研工業株式会社 | 排気2次空気弁を備えた鞍乗型車両 |
DE20109053U1 (de) * | 2001-05-30 | 2002-10-10 | Reich KG Regel- und Sicherheitstechnik, 35713 Eschenburg | Ventilvorrichtung und Verteilervorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7109404U (de) * | 1971-06-16 | Ihle K | Kombiniertes Absperr Rückschlagventil | |
DE1762819U (de) * | 1953-07-31 | 1958-03-06 | G Bee Appbau | Niederschraubventil, insbesondere fuer feuerloeschgeraete. |
DE1789822U (de) * | 1959-02-13 | 1959-06-04 | Ind G M B H & Co K G | Rueckschlagsicherung. |
DE1844469U (de) * | 1961-11-21 | 1962-01-04 | Josef Mueller | Rueckflussverhinderer mit absperreinrichtung. |
DE7720905U1 (de) * | 1977-07-04 | 1978-10-19 | Cillichemie Ernst Vogelmann, 7100 Heilbronn | Drosselventil |
JPS59218324A (ja) * | 1983-05-26 | 1984-12-08 | Nissan Motor Co Ltd | 内燃機関の二次空気供給装置 |
US4550749A (en) * | 1984-03-12 | 1985-11-05 | C. R. Bard, Inc. | Adjustable check valve |
DE4025267C2 (de) * | 1990-08-09 | 2000-06-08 | Pierburg Ag | Rückschlagventil für eine Gasleitung |
-
1992
- 1992-01-31 FR FR9201125A patent/FR2674288A1/fr active Granted
- 1992-03-13 DE DE4208045A patent/DE4208045B4/de not_active Revoked
Also Published As
Publication number | Publication date |
---|---|
DE4208045B4 (de) | 2005-11-03 |
FR2674288A1 (fr) | 1992-09-25 |
DE4208045A1 (de) | 1992-09-24 |