EP2172638A3 - Valve device for controlling an exhaust gas flow - Google Patents

Valve device for controlling an exhaust gas flow Download PDF

Info

Publication number
EP2172638A3
EP2172638A3 EP09010362A EP09010362A EP2172638A3 EP 2172638 A3 EP2172638 A3 EP 2172638A3 EP 09010362 A EP09010362 A EP 09010362A EP 09010362 A EP09010362 A EP 09010362A EP 2172638 A3 EP2172638 A3 EP 2172638A3
Authority
EP
European Patent Office
Prior art keywords
closing
exhaust gas
opening
controlling
gas flow
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.)
Granted
Application number
EP09010362A
Other languages
German (de)
French (fr)
Other versions
EP2172638A2 (en
EP2172638B1 (en
Inventor
Jens Dipl.-Ing. von Gregory
Thomas Dipl.-Ing. Blank (FH)
Björn Dipl.-Ing. Krieger (BA)
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 EP2172638A2 publication Critical patent/EP2172638A2/en
Publication of EP2172638A3 publication Critical patent/EP2172638A3/en
Application granted granted Critical
Publication of EP2172638B1 publication Critical patent/EP2172638B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02M26/65—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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
    • F02M26/54—Rotary actuators, e.g. step motors

Abstract

The device (10) has a shutoff device (13) arranged in an exhaust gas channel (12) that is pivotable between closing and opening positions by an adjusting drive (15) and a transfer device (16) in opening and closing directions. The shutoff device is pivotable during failure of drive in the closing direction by a reset spring (17) loadable in the opening direction. The shutoff device is pivotable back only during failure of the drive in a resting position between the closing and opening positions with a condition of only small opening position during pivoting movement in the closing direction.
EP09010362A 2008-10-04 2009-08-12 Valve device for controlling an exhaust gas flow Active EP2172638B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008050466.1A DE102008050466B4 (en) 2008-10-04 2008-10-04 Valve device for controlling an exhaust gas flow

Publications (3)

Publication Number Publication Date
EP2172638A2 EP2172638A2 (en) 2010-04-07
EP2172638A3 true EP2172638A3 (en) 2011-02-09
EP2172638B1 EP2172638B1 (en) 2011-11-02

Family

ID=41570042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010362A Active EP2172638B1 (en) 2008-10-04 2009-08-12 Valve device for controlling an exhaust gas flow

Country Status (3)

Country Link
EP (1) EP2172638B1 (en)
AT (1) ATE531924T1 (en)
DE (1) DE102008050466B4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049673B1 (en) * 2016-03-30 2018-11-23 Faurecia Systemes D'echappement EXHAUST LINE VALVE AND CORRESPONDING MOUNTING METHOD
DE102017209458A1 (en) * 2017-06-05 2018-12-06 Siemens Schweiz Ag Actuator with a return spring acting independently of the actuating operation on a control connection
DE102018123400A1 (en) * 2018-09-24 2020-03-26 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust flap

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1420158A2 (en) * 2002-11-15 2004-05-19 Denso Corporation Exhaust gas recirculation device
DE102004043662B3 (en) * 2004-09-08 2006-02-16 Benteler Automobiltechnik Gmbh Exhaust gas return valve for internal combustion engine has exhaust channel in form of a first tubular piece carried by U-shaped holder, and second one linked to it
WO2006096750A1 (en) * 2005-03-08 2006-09-14 Borgwarner Inc. Egr valve having rest position

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19825583B4 (en) * 1998-06-09 2014-04-03 Gustav Wahler Gmbh U. Co Kg Exhaust gas recirculation valve for internal combustion engines and method for operating such
DE102006054041B3 (en) * 2006-11-16 2008-05-08 Pierburg Gmbh Regulating device for an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1420158A2 (en) * 2002-11-15 2004-05-19 Denso Corporation Exhaust gas recirculation device
DE102004043662B3 (en) * 2004-09-08 2006-02-16 Benteler Automobiltechnik Gmbh Exhaust gas return valve for internal combustion engine has exhaust channel in form of a first tubular piece carried by U-shaped holder, and second one linked to it
WO2006096750A1 (en) * 2005-03-08 2006-09-14 Borgwarner Inc. Egr valve having rest position

Also Published As

Publication number Publication date
ATE531924T1 (en) 2011-11-15
DE102008050466B4 (en) 2021-01-28
EP2172638A2 (en) 2010-04-07
EP2172638B1 (en) 2011-11-02
DE102008050466A1 (en) 2010-04-08

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