EP1544449B1 - Abgasrückführventil - Google Patents

Abgasrückführventil Download PDF

Info

Publication number
EP1544449B1
EP1544449B1 EP03029491A EP03029491A EP1544449B1 EP 1544449 B1 EP1544449 B1 EP 1544449B1 EP 03029491 A EP03029491 A EP 03029491A EP 03029491 A EP03029491 A EP 03029491A EP 1544449 B1 EP1544449 B1 EP 1544449B1
Authority
EP
European Patent Office
Prior art keywords
valve
flow
valve element
exhaust gas
exhaust
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.)
Expired - Lifetime
Application number
EP03029491A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1544449A1 (de
Inventor
Christoph Thiery
Dirk Schliesche
Bernhard Klipfel
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.)
Cooper Standard Automotive Deutschland GmbH
Original Assignee
Cooper Standard Automotive Deutschland GmbH
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
Priority to PT03029491T priority Critical patent/PT1544449E/pt
Application filed by Cooper Standard Automotive Deutschland GmbH filed Critical Cooper Standard Automotive Deutschland GmbH
Priority to AT03029491T priority patent/ATE354726T1/de
Priority to EP03029491A priority patent/EP1544449B1/de
Priority to DE50306597T priority patent/DE50306597D1/de
Priority to ES03029491T priority patent/ES2280684T3/es
Priority to KR1020040106806A priority patent/KR101207865B1/ko
Priority to US11/015,342 priority patent/US7182315B2/en
Priority to CNB2004100104628A priority patent/CN100430593C/zh
Publication of EP1544449A1 publication Critical patent/EP1544449A1/de
Application granted granted Critical
Publication of EP1544449B1 publication Critical patent/EP1544449B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M26/65—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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/72—Housings

Definitions

  • valve element is arranged in the position releasing the opening at least partially behind the flow guide, leads to several advantages. First of all, it should be said about this arrangement relationship that it can be seen from a fluid axis. In other words, the point in the flow at which the valve element is in the opened state is considered. According to the invention, the valve element is at least partially not visible at this point of the flow, ie in the flow direction at the location of the open valve element, because it is at least partially "covered” by the flow guide. This "covered" position behind the flow-guiding element prevents the open valve element from influencing the flow extensively. As a result, flow losses can be reduced. Furthermore, the valve element is shielded in a favorable manner, as far as the temperature load is concerned.
  • the flow guide isolates the valve element, so to speak thermally from the hot exhaust gas flow, so that through the Arrangement of the invention, an opening of the valve element in the direction of the "hot" side is possible. In this open position, namely a thermal overloading of the valve element is prevented by the cover by means of the flow guide.
  • valve element with respect to the flow can be arranged such that the opening takes place against the flow direction.
  • This arrangement is advantageous in that it must not be ensured by special mechanisms that the valve element remains closed against the upcoming gas pressure. Rather, the upcoming gas itself presses the valve element in the closed position.
  • this advantageous arrangement is possible by the flow guide according to the invention by the valve element can be protected in its open position from the hot gases and at least partially thermally insulated.
  • a folding valve element For the axis of rotation of a folding valve element, it proves to be advantageous if it is arranged outside the plane of the valve opening. This leads to the advantage that the valve element is interrupted over its circumference continuously and not by parts of the axis of rotation, so that a particularly reliable seal is generated. Furthermore, can be achieved by the described arrangement of the axis of rotation in a favorable manner that the valve element in the protected position can be brought behind the flow guide.
  • the exhaust gas recirculation valve 10 shown in Fig. 1 is disposed in a portion of the exhaust gas recirculation line and is provided for this purpose at its respective ends with flanges 12, which allow mounting in the exhaust gas recirculation line.
  • the valve opening 14 is approximately circular and is defined by a valve seat. With the valve seat, a valve element 16 cooperates, which is approximately circular in accordance with the valve seat.
  • the valve element 16 is designed spherically in the case shown.
  • the valve element further consists of three parts.
  • a first part 18 forms a base body on which an annular element 20 is mounted for the actual interaction with the valve seat.
  • a third element 22 is provided, which completes the spherical on this side design.
  • this receiving space 30 is in the vicinity of the exhaust gas recirculation valve 10 shown, and integrally formed to detect a region 32, which can be used for example for the cooling of the exhaust gas recirculation valve and for the attachment of the necessary drives, sensors and the like.

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)
  • Lift Valve (AREA)
EP03029491A 2003-12-19 2003-12-19 Abgasrückführventil Expired - Lifetime EP1544449B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT03029491T ATE354726T1 (de) 2003-12-19 2003-12-19 Abgasrückführventil
EP03029491A EP1544449B1 (de) 2003-12-19 2003-12-19 Abgasrückführventil
DE50306597T DE50306597D1 (de) 2003-12-19 2003-12-19 Abgasrückführventil
ES03029491T ES2280684T3 (es) 2003-12-19 2003-12-19 Valvula de reciclaje de gases de escape.
PT03029491T PT1544449E (pt) 2003-12-19 2003-12-19 Válvula de recirculação de gases de escape
KR1020040106806A KR101207865B1 (ko) 2003-12-19 2004-12-16 배기 가스 재순환 밸브
US11/015,342 US7182315B2 (en) 2003-12-19 2004-12-17 Exhaust-gas recirculation valve
CNB2004100104628A CN100430593C (zh) 2003-12-19 2004-12-19 废气再循环阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03029491A EP1544449B1 (de) 2003-12-19 2003-12-19 Abgasrückführventil

Publications (2)

Publication Number Publication Date
EP1544449A1 EP1544449A1 (de) 2005-06-22
EP1544449B1 true EP1544449B1 (de) 2007-02-21

Family

ID=34486279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03029491A Expired - Lifetime EP1544449B1 (de) 2003-12-19 2003-12-19 Abgasrückführventil

Country Status (8)

Country Link
US (1) US7182315B2 (ko)
EP (1) EP1544449B1 (ko)
KR (1) KR101207865B1 (ko)
CN (1) CN100430593C (ko)
AT (1) ATE354726T1 (ko)
DE (1) DE50306597D1 (ko)
ES (1) ES2280684T3 (ko)
PT (1) PT1544449E (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1609976A1 (de) * 2004-06-25 2005-12-28 Cooper-Standard Automotive (Deutschland) GmbH Ventil im Bereich eines Verbrennungsmotors
DE102004054164B4 (de) * 2004-11-10 2011-06-16 Pierburg Gmbh Abgasrückführvorrichtung für eine Verbrennungskraftmaschine
EP1707790B1 (de) * 2005-03-31 2011-01-05 Cooper-Standard Automotive (Deutschland) GmbH Abgasrückführsystem
ATE450706T1 (de) 2007-07-30 2009-12-15 Cooper Standard Automotive D Abgasrückführsystem
DE102008011416A1 (de) * 2008-02-27 2009-09-10 Continental Automotive Gmbh Turbolader mit einer Betätigungseinrichtung zum Öffnen und Schließen eines Wastegate-Kanals
US9200532B2 (en) * 2012-09-13 2015-12-01 Honeywell International Inc. Turbine wastegate
JP6468094B2 (ja) * 2015-06-24 2019-02-13 株式会社デンソー 低圧ｅｇｒ装置
JP6460012B2 (ja) * 2016-03-03 2019-01-30 株式会社デンソー バルブ装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2883147A (en) * 1953-08-26 1959-04-21 Fairchild Engine & Airplane Valve mechanism
US3575376A (en) * 1968-10-30 1971-04-20 Thiokol Chemical Corp Dual position valve
DE2703687A1 (de) * 1977-01-29 1978-08-03 Bosch Gmbh Robert Vorrichtung fuer die steuerung zusaetzlicher gaszufuehrmengen in das saugrohr einer brennkraftmaschine
DE3336879A1 (de) 1983-10-11 1985-04-25 Harald 6707 Schifferstadt Hoffmann Ventilsitzeinrichtung, insbesondere fuer drehkegelstellventile
DE19549107A1 (de) 1995-12-29 1997-07-03 Bosch Gmbh Robert Vorrichtung zur Abgasrückführung mit einem im Ansaugkanal betätigbaren Schließelement
DE10104228A1 (de) * 2000-04-17 2001-10-25 Bosch Gmbh Robert Vorrichtung zur Mischung und Dosierung von Gasströmen an Verbrennungskraftmaschinen
EP1276982A1 (de) 2000-04-17 2003-01-22 Robert Bosch Gmbh Vorrichtung zur mischung und dosierung von gasströmen an verbrennungskraftmaschinen
DE10106608A1 (de) * 2001-02-13 2002-08-22 Pierburg Ag Abgasrückführsteuerventil für eine Brennktaftmaschine
ATE317062T1 (de) 2001-03-29 2006-02-15 Siebe Automotive Deutschland Gmbh Abgasrückführventil
DE10209335A1 (de) 2002-03-02 2003-09-11 Pierburg Gmbh Ventileinrichtung
EP1462643A1 (de) 2003-03-25 2004-09-29 Cooper-Standard Automotive (Deutschland) GmbH Ventil-Öffnungsmechanismus

Also Published As

Publication number Publication date
ES2280684T3 (es) 2007-09-16
US20050167629A1 (en) 2005-08-04
PT1544449E (pt) 2007-04-30
US7182315B2 (en) 2007-02-27
KR101207865B1 (ko) 2012-12-05
ATE354726T1 (de) 2007-03-15
EP1544449A1 (de) 2005-06-22
CN100430593C (zh) 2008-11-05
KR20050072050A (ko) 2005-07-08
DE50306597D1 (de) 2007-04-05
CN1637263A (zh) 2005-07-13

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