EP1820956A2 - Soupape de recirculation de gaz d'échappement - Google Patents

Soupape de recirculation de gaz d'échappement Download PDF

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Publication number
EP1820956A2
EP1820956A2 EP06019126A EP06019126A EP1820956A2 EP 1820956 A2 EP1820956 A2 EP 1820956A2 EP 06019126 A EP06019126 A EP 06019126A EP 06019126 A EP06019126 A EP 06019126A EP 1820956 A2 EP1820956 A2 EP 1820956A2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
gas recirculation
recirculation valve
valve according
housing
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Withdrawn
Application number
EP06019126A
Other languages
German (de)
English (en)
Other versions
EP1820956A3 (fr
Inventor
Mathias ELSÄSSER
Siegfried Keusch
Florian Bantle
Ulrich Müller-Boysen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gustav Wahler GmbH and Co KG
Original Assignee
Gustav Wahler GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gustav Wahler GmbH and Co KG filed Critical Gustav Wahler GmbH and Co KG
Publication of EP1820956A2 publication Critical patent/EP1820956A2/fr
Publication of EP1820956A3 publication Critical patent/EP1820956A3/fr
Withdrawn legal-status Critical Current

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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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • 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
    • F02M26/70—Flap valves; Rotary valves; Sliding valves; Resilient valves
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
    • F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
EP06019126A 2006-02-21 2006-09-13 Soupape de recirculation de gaz d'échappement Withdrawn EP1820956A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006007949A DE102006007949A1 (de) 2006-02-21 2006-02-21 Abgasrückführventil

Publications (2)

Publication Number Publication Date
EP1820956A2 true EP1820956A2 (fr) 2007-08-22
EP1820956A3 EP1820956A3 (fr) 2011-01-19

Family

ID=37876940

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06019126A Withdrawn EP1820956A3 (fr) 2006-02-21 2006-09-13 Soupape de recirculation de gaz d'échappement

Country Status (2)

Country Link
EP (1) EP1820956A3 (fr)
DE (1) DE102006007949A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020809A (en) * 1975-06-02 1977-05-03 Caterpillar Tractor Co. Exhaust gas recirculation system for a diesel engine
US5740785A (en) * 1997-06-09 1998-04-21 Southwest Research Institute Two way-high pressure loop, exhaust gas recirculation valve
US6000222A (en) * 1997-12-18 1999-12-14 Allied Signal Inc. Turbocharger with integral turbine exhaust gas recirculation control valve and exhaust gas bypass valve
DE19858626C1 (de) * 1998-12-18 2000-05-04 Mtu Friedrichshafen Gmbh Abgasklappenmechanismus für eine Brennkraftmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020809A (en) * 1975-06-02 1977-05-03 Caterpillar Tractor Co. Exhaust gas recirculation system for a diesel engine
US5740785A (en) * 1997-06-09 1998-04-21 Southwest Research Institute Two way-high pressure loop, exhaust gas recirculation valve
US6000222A (en) * 1997-12-18 1999-12-14 Allied Signal Inc. Turbocharger with integral turbine exhaust gas recirculation control valve and exhaust gas bypass valve
DE19858626C1 (de) * 1998-12-18 2000-05-04 Mtu Friedrichshafen Gmbh Abgasklappenmechanismus für eine Brennkraftmaschine

Also Published As

Publication number Publication date
EP1820956A3 (fr) 2011-01-19
DE102006007949A1 (de) 2007-08-23

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