EP1231375A2 - Soupape de recyclage de gaz d'échappement pour un moteur à combustion interne - Google Patents

Soupape de recyclage de gaz d'échappement pour un moteur à combustion interne Download PDF

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Publication number
EP1231375A2
EP1231375A2 EP01125727A EP01125727A EP1231375A2 EP 1231375 A2 EP1231375 A2 EP 1231375A2 EP 01125727 A EP01125727 A EP 01125727A EP 01125727 A EP01125727 A EP 01125727A EP 1231375 A2 EP1231375 A2 EP 1231375A2
Authority
EP
European Patent Office
Prior art keywords
valve
exhaust gas
valve closing
gas recirculation
closing member
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Withdrawn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
EP01125727A
Other languages
German (de)
English (en)
Other versions
EP1231375A3 (fr
Inventor
Helmut Blank
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.)
Pierburg GmbH
Original Assignee
Pierburg 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
Application filed by Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP1231375A2 publication Critical patent/EP1231375A2/fr
Publication of EP1231375A3 publication Critical patent/EP1231375A3/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Withdrawn legal-status Critical Current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
    • F02M26/65—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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • 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

Definitions

  • the invention relates to an exhaust gas recirculation control valve for an internal combustion engine with a housing that has an exhaust gas inlet connected to the exhaust system and has an exhaust outlet connected to the air intake system, at least a valve closing element arranged in a flow cross section, which is actuated by a valve pivot axis that is perpendicular to the central axis of the flow cross-section, and with a drive module that the valve pivot axis drives.
  • Such an exhaust gas recirculation control valve is known, for example, from EP - A 1 - 1 002 947 known.
  • a valve closing member designed as a pivotable flap formed according to a known throttle valve and the same Way connected to the valve pivot axis.
  • Special construction engineering Difficulties arise with such a design of the valve closing member, on the one hand to design the valve so that when closed No leakage of exhaust gas occurs and, on the other hand, jamming-free, if possible to ensure smooth pivoting of the valve closing member.
  • the object of the invention is an exhaust gas recirculation control valve to create that the above Avoids disadvantage.
  • valve pivot axis eccentric with respect to the valve closing member arranged in a plane running parallel to the valve closing member is.
  • the valve closing member pivotal movement around the valve swivel axis. It has proven to be particularly advantageous proved that the valve closing member is circular, it is can taper towards the side facing the valve rod, in particular to provide narrow tolerances in the closed position of the exhaust gas recirculation control valve.
  • FIG. 1 shows a perspective view of the exhaust gas recirculation control valve according to the invention 1, which is partially cut in the area of a valve closing member 2 is.
  • the exhaust gas recirculation control valve has a housing in a known manner 3, in which a drive module, not shown, and a transmission are arranged in a known manner and a valve pivot axis on which the valve closing member 2 is fastened.
  • the closing member 2 closes or opens a flow cross section 5, which represents the connection between one Exhaust gas inlet 6 and one connected to the air intake system of the internal combustion engine Exhaust outlet 7.
  • valve pivot axis 4 arranged perpendicular to the central axis of the flow cross section 5, however, runs eccentrically with respect to the valve closing member 2 in one to the valve closing member 2 parallel plane. This way, a ensures particularly simple, frictionless pivoting of the flap without that the valve closing element can tilt.
  • FIG. 2 now shows schematically four selected pivot positions of the valve closing member 2 around the valve pivot axis 4.
  • the four pivot positions are in the present illustration with I (fully closed) over II and III to marked to IV (fully open).
  • the easy pivoting is clearly recognizable due to the inventive design of the valve closing member 2 on the valve pivot axis 4.

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)
EP01125727A 2001-02-13 2001-10-27 Soupape de recyclage de gaz d'échappement pour un moteur à combustion interne Withdrawn EP1231375A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10106608 2001-02-13
DE10106608A DE10106608A1 (de) 2001-02-13 2001-02-13 Abgasrückführsteuerventil für eine Brennktaftmaschine

Publications (2)

Publication Number Publication Date
EP1231375A2 true EP1231375A2 (fr) 2002-08-14
EP1231375A3 EP1231375A3 (fr) 2004-01-02

Family

ID=7673861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01125727A Withdrawn EP1231375A3 (fr) 2001-02-13 2001-10-27 Soupape de recyclage de gaz d'échappement pour un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1231375A3 (fr)
DE (1) DE10106608A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426589A3 (fr) * 2002-11-20 2005-05-25 Denso Corporation Dispositif de commande de recirculation de gaz d'échappement
CN100430593C (zh) * 2003-12-19 2008-11-05 库帕-标准汽车（德国）有限责任公司 废气再循环阀

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1002947A1 (fr) 1998-11-18 2000-05-24 Delphi Technologies, Inc. Ensemble de soupapes ayant un papillon pour la recirculation de gaz d'échappement et un papillon pour l'air d'admission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909786C (de) * 1941-08-16 1954-04-26 Draegerwerk Ag Absperrorgan fuer Gas oder Fluessigkeiten fuehrende Leitungen
DE1600980A1 (de) * 1967-06-26 1970-06-25 Vogelsang Carl Fa Klappenventil mit einer Klappe,die beim OEffnen vom Sitz abgehoben und dann gedreht wird
GB1249813A (en) * 1969-05-30 1971-10-13 Broby Armaturfabrik Ab Improvements in or relating to flow control valves
DE3336879A1 (de) * 1983-10-11 1985-04-25 Harald 6707 Schifferstadt Hoffmann Ventilsitzeinrichtung, insbesondere fuer drehkegelstellventile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1002947A1 (fr) 1998-11-18 2000-05-24 Delphi Technologies, Inc. Ensemble de soupapes ayant un papillon pour la recirculation de gaz d'échappement et un papillon pour l'air d'admission

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426589A3 (fr) * 2002-11-20 2005-05-25 Denso Corporation Dispositif de commande de recirculation de gaz d'échappement
CN100430593C (zh) * 2003-12-19 2008-11-05 库帕-标准汽车（德国）有限责任公司 废气再循环阀

Also Published As

Publication number Publication date
EP1231375A3 (fr) 2004-01-02
DE10106608A1 (de) 2002-08-22

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