EP0349729A1 - Dispositif de recirculation de gaz d'échappement - Google Patents
Dispositif de recirculation de gaz d'échappement Download PDFInfo
- Publication number
- EP0349729A1 EP0349729A1 EP89108300A EP89108300A EP0349729A1 EP 0349729 A1 EP0349729 A1 EP 0349729A1 EP 89108300 A EP89108300 A EP 89108300A EP 89108300 A EP89108300 A EP 89108300A EP 0349729 A1 EP0349729 A1 EP 0349729A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- gas recirculation
- air intake
- intake duct
- pneumatic actuator
- Prior art date
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/51—EGR valves combined with other devices, e.g. with intake valves or compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
- F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/52—Systems for actuating EGR valves
- F02M26/64—Systems for actuating EGR valves the EGR valve being operated together with an intake air throttle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/65—Constructional details of EGR valves
- F02M26/66—Lift valves, e.g. poppet valves
- F02M26/67—Pintles; Spindles; Springs; Bearings; Sealings; Connections to actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/0276—Throttle and EGR-valve operated together
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
Definitions
- the invention relates to an exhaust gas recirculation device in an internal combustion engine for motor vehicles, in particular in a diesel engine.
- an exhaust gas recirculation valve is disclosed in DE-OS 35 11 638, which has diaphragm heating prevention means.
- This is, for example, a particularly shaped ring plate arranged in the membrane box or a star-shaped heat dissipation plate which has a plurality of ribs projecting downwards in a radial manner and is fastened to a valve rod below a membrane plate.
- the object of the invention is therefore to design a generic inexpensive exhaust gas recirculation device in such a way that the disadvantages mentioned above are avoided.
- the pneumatic actuator of the exhaust gas recirculation device is arranged on the air intake duct of the internal combustion engine in such a way that its diaphragm rod extends through the air intake duct transversely to its direction of flow and a valve member connected to the diaphragm rod controls the flow cross section of the exhaust gas recirculation duct at its confluence with the air intake duct.
- the valve member which is strongly heated via the exhaust gas stream, is cooled by the intake air stream flowing past, which is cool in relation to the hot exhaust gas stream, and experiences an additional temperature reduction through the membrane rod connected to it and also arranged in the cool intake air stream.
- Contaminants introduced by the exhaust gas flow such as soot and rust particles, are transported away from the intake air flow without getting between the membrane rod guide and the membrane rod shaft, as a result of which valve pinching is avoided.
- Another advantage is that cheaper materials can be used due to the exhaust gas recirculation valve temperatures kept relatively low with the invention.
- the exhaust gas recirculation device enables, in a further embodiment, the coupling of the pneumatic actuator to a known throttle valve for intake air throttling, which is adjusted as a function of the adjustment movement of the valve member or the membrane rod or by a second pneumatic actuator.
- the adjustment movement of the throttle valve has the opposite effect to the adjustment movement of the valve member.
- the pneumatic actuator and the throttle valve with control box can be arranged on one component, the intake manifold, with the advantage of a space-saving, inexpensive construction.
- FIG. 1 An embodiment of the invention is shown in the drawing and is described below.
- the drawing shows a longitudinal section through a first embodiment of an exhaust gas recirculation device.
- the drawing shows an embodiment of an exhaust gas recirculation device 1 according to the invention, consisting of an air intake duct designed as an intake port 2, into which an exhaust gas recirculation channel 3 opens, and on which a pneumatic actuator 4 is arranged such that its membrane rod 5 projects through the intake port 2 transversely to the direction of flow and enters with the membrane rod 5 connected valve member 6 controls a mouth 8 formed as a seat 7 of the exhaust gas recirculation channel 3 in the intake manifold 2.
- a throttle valve 10 mounted on a throttle valve shaft 9 is connected to the diaphragm rod 5 via a lever system 11, so that with increasing opening of the valve member 6 and the associated increase in the amount of exhaust gas by closing the throttle valve 10, the fresh air supply is reduced (process shown in dashed lines in the drawing). .
- control of the throttle valve 10 can also be carried out by a further pneumatic actuator (not shown in the drawing), as a result of which the ratio of exhaust gas recirculation rate and fresh air can be controlled more finely and independently of one another.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3822954 | 1988-07-07 | ||
DE3822954A DE3822954C2 (de) | 1988-07-07 | 1988-07-07 | Abgasrückführeinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0349729A1 true EP0349729A1 (fr) | 1990-01-10 |
Family
ID=6358122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89108300A Withdrawn EP0349729A1 (fr) | 1988-07-07 | 1989-05-09 | Dispositif de recirculation de gaz d'échappement |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0349729A1 (fr) |
DE (1) | DE3822954C2 (fr) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0636781A1 (fr) * | 1993-07-27 | 1995-02-01 | Bayerische Motoren Werke Aktiengesellschaft | Soupape de mélange, notamment une soupape de recirculation de gaz d'échappement pour un moteur à combustion interne |
GB2291127A (en) * | 1994-07-13 | 1996-01-17 | Bosch Gmbh Robert | Exhaust gas recirculation valve mounting |
EP0753656A1 (fr) * | 1995-07-13 | 1997-01-15 | Aisan Kogyo Kabushiki Kaisha | Recirculation de gaz d'échappement |
EP0780565A2 (fr) | 1995-12-21 | 1997-06-25 | Denso Corporation | Système de recirculation de gaz d'échappement avec valve de commande disposée perpendiculairement par rapport à l'axe d'un conduit d'admission d'air |
WO1997024522A1 (fr) * | 1995-12-29 | 1997-07-10 | Robert Bosch Gmbh | Dispositif de recyclage de gaz d'echappement comportant un element de fermeture actionnable dans le canal d'aspiration |
EP0900930A2 (fr) * | 1997-09-04 | 1999-03-10 | General Motors Corporation | Soupape de recirculation de gaz d'échappement |
FR2806448A1 (fr) * | 2000-03-16 | 2001-09-21 | Coutier Moulage Gen Ind | Dispositif d'obturation et de regulation du debit de gaz d'echappement dans une ligne de recyclage de gaz d'echappement connectee a une ligne d'admission d'air d'un moteur a combustion interne |
EP1136688A3 (fr) * | 2000-03-22 | 2002-06-12 | Delphi Technologies, Inc. | Dispositif de recirculation de gaz d'échappement pour un moteur à combustion interne |
DE4338194C2 (de) * | 1993-11-09 | 2003-04-03 | Pierburg Gmbh | Luftansaugkanalsystem für Brennkraftmaschinen |
EP1369559A3 (fr) * | 2002-06-06 | 2006-04-05 | Pierburg GmbH | Dispositif de soupape |
FR2921434A1 (fr) * | 2007-09-26 | 2009-03-27 | Renault Sas | Dispositif de filtrage des gaz de recirculation d'un moteur a combustion |
EP2317109A1 (fr) * | 2009-11-03 | 2011-05-04 | Cooper-Standard Automotive (Deutschland) GmbH | Système de recircualtion des gaz d'échappement et procédé de fonctionnement d'un système de recirculation des gaz d'échappement |
CN103912414A (zh) * | 2014-04-16 | 2014-07-09 | 无锡隆盛科技股份有限公司 | 一种电动egr阀的中心杆连接结构 |
FR3007071A1 (fr) * | 2013-06-17 | 2014-12-19 | Peugeot Citroen Automobiles Sa | Moteur thermique a actionneur commun pour vanne egr et vanne d'air |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1751655B1 (de) * | 1968-07-04 | 1971-11-18 | Motoren Werke Mannheim Ag | Ventil fuer die Zumischung von Abgas zur Ansaugluft von Brennkraftmaschinen |
DE2212007A1 (de) * | 1972-03-13 | 1973-09-20 | Bosch Gmbh Robert | Ventil zur abgasrueckfuehrung bei brennkraftmaschinen |
GB1335487A (en) * | 1971-11-22 | 1973-10-31 | Chrysler Corp | Internal combustion engine exhaust gas recirculation |
FR2277984A1 (fr) * | 1974-07-10 | 1976-02-06 | Hoechst Ag | Procede et dispositif pour la preparation de melanges inflammables pour moteurs a combustion interne a partir de carburants de pouvoirs calorifiques differents |
US3961610A (en) * | 1974-10-29 | 1976-06-08 | General Motors Corporation | Exhaust gas recirculation control system |
DE2855027A1 (de) * | 1976-12-22 | 1980-07-10 | Bosch Gmbh Robert | Einrichtung zur betaetigung eines auf eine abgasrueckfuehrsteuereinrichtung wirkenden stellorgans bei brennkraftmaschinen |
DE2908386A1 (de) * | 1979-03-03 | 1980-09-11 | Bosch Gmbh Robert | Einrichtung zum regeln des mengenverhaeltnisses luft/kraftstoff bei brennkraftmaschinen |
JPS60243359A (ja) * | 1984-05-16 | 1985-12-03 | Nippon Denso Co Ltd | 排気ガス還流装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3511638C3 (de) * | 1985-03-29 | 1996-06-20 | Daimler Benz Ag | Abgasrückführventil |
-
1988
- 1988-07-07 DE DE3822954A patent/DE3822954C2/de not_active Revoked
-
1989
- 1989-05-09 EP EP89108300A patent/EP0349729A1/fr not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1751655B1 (de) * | 1968-07-04 | 1971-11-18 | Motoren Werke Mannheim Ag | Ventil fuer die Zumischung von Abgas zur Ansaugluft von Brennkraftmaschinen |
GB1335487A (en) * | 1971-11-22 | 1973-10-31 | Chrysler Corp | Internal combustion engine exhaust gas recirculation |
DE2212007A1 (de) * | 1972-03-13 | 1973-09-20 | Bosch Gmbh Robert | Ventil zur abgasrueckfuehrung bei brennkraftmaschinen |
FR2277984A1 (fr) * | 1974-07-10 | 1976-02-06 | Hoechst Ag | Procede et dispositif pour la preparation de melanges inflammables pour moteurs a combustion interne a partir de carburants de pouvoirs calorifiques differents |
US3961610A (en) * | 1974-10-29 | 1976-06-08 | General Motors Corporation | Exhaust gas recirculation control system |
DE2855027A1 (de) * | 1976-12-22 | 1980-07-10 | Bosch Gmbh Robert | Einrichtung zur betaetigung eines auf eine abgasrueckfuehrsteuereinrichtung wirkenden stellorgans bei brennkraftmaschinen |
DE2908386A1 (de) * | 1979-03-03 | 1980-09-11 | Bosch Gmbh Robert | Einrichtung zum regeln des mengenverhaeltnisses luft/kraftstoff bei brennkraftmaschinen |
JPS60243359A (ja) * | 1984-05-16 | 1985-12-03 | Nippon Denso Co Ltd | 排気ガス還流装置 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 10, no. 114 (M-473)(2171) 26 April 1986, & JP-A-60 243359 (NIPPON DENSO) 03 Dezember 1985, * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0636781A1 (fr) * | 1993-07-27 | 1995-02-01 | Bayerische Motoren Werke Aktiengesellschaft | Soupape de mélange, notamment une soupape de recirculation de gaz d'échappement pour un moteur à combustion interne |
DE4338194C2 (de) * | 1993-11-09 | 2003-04-03 | Pierburg Gmbh | Luftansaugkanalsystem für Brennkraftmaschinen |
GB2291127A (en) * | 1994-07-13 | 1996-01-17 | Bosch Gmbh Robert | Exhaust gas recirculation valve mounting |
GB2291127B (en) * | 1994-07-13 | 1996-10-30 | Bosch Gmbh Robert | Exhaust-gas recirculation valve |
EP0753656A1 (fr) * | 1995-07-13 | 1997-01-15 | Aisan Kogyo Kabushiki Kaisha | Recirculation de gaz d'échappement |
EP0780565A2 (fr) | 1995-12-21 | 1997-06-25 | Denso Corporation | Système de recirculation de gaz d'échappement avec valve de commande disposée perpendiculairement par rapport à l'axe d'un conduit d'admission d'air |
EP0780565A3 (fr) * | 1995-12-21 | 1998-02-25 | Denso Corporation | Système de recirculation de gaz d'échappement avec valve de commande disposée perpendiculairement par rapport à l'axe d'un conduit d'admission d'air |
US5746190A (en) * | 1995-12-21 | 1998-05-05 | Denso Corporation | EGR system using perpendicularly arranged control valve |
WO1997024522A1 (fr) * | 1995-12-29 | 1997-07-10 | Robert Bosch Gmbh | Dispositif de recyclage de gaz d'echappement comportant un element de fermeture actionnable dans le canal d'aspiration |
US5785034A (en) * | 1995-12-29 | 1998-07-28 | Robert Bosch Gmbh | Exhaust gas recirculation apparatus with a closing element actuatable in the intake conduit |
EP0900930A3 (fr) * | 1997-09-04 | 1999-12-22 | General Motors Corporation | Soupape de recirculation de gaz d'échappement |
US6039034A (en) * | 1997-09-04 | 2000-03-21 | General Motors Corporation | Exhaust gas recirculation valve |
EP0900930A2 (fr) * | 1997-09-04 | 1999-03-10 | General Motors Corporation | Soupape de recirculation de gaz d'échappement |
FR2806448A1 (fr) * | 2000-03-16 | 2001-09-21 | Coutier Moulage Gen Ind | Dispositif d'obturation et de regulation du debit de gaz d'echappement dans une ligne de recyclage de gaz d'echappement connectee a une ligne d'admission d'air d'un moteur a combustion interne |
EP1136688A3 (fr) * | 2000-03-22 | 2002-06-12 | Delphi Technologies, Inc. | Dispositif de recirculation de gaz d'échappement pour un moteur à combustion interne |
EP1369559A3 (fr) * | 2002-06-06 | 2006-04-05 | Pierburg GmbH | Dispositif de soupape |
FR2921434A1 (fr) * | 2007-09-26 | 2009-03-27 | Renault Sas | Dispositif de filtrage des gaz de recirculation d'un moteur a combustion |
EP2042723A1 (fr) * | 2007-09-26 | 2009-04-01 | Renault | Dispositif de filtrage des gaz de recirculation d'un moteur à combustion |
EP2317109A1 (fr) * | 2009-11-03 | 2011-05-04 | Cooper-Standard Automotive (Deutschland) GmbH | Système de recircualtion des gaz d'échappement et procédé de fonctionnement d'un système de recirculation des gaz d'échappement |
FR3007071A1 (fr) * | 2013-06-17 | 2014-12-19 | Peugeot Citroen Automobiles Sa | Moteur thermique a actionneur commun pour vanne egr et vanne d'air |
CN103912414A (zh) * | 2014-04-16 | 2014-07-09 | 无锡隆盛科技股份有限公司 | 一种电动egr阀的中心杆连接结构 |
Also Published As
Publication number | Publication date |
---|---|
DE3822954C2 (de) | 1997-02-27 |
DE3822954A1 (de) | 1990-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT DE ES FR GB IT |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PIERBURG GMBH |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19900711 |