EP1526272A1 - Soupape de recirculation de gaz d'échappement - Google Patents

Soupape de recirculation de gaz d'échappement Download PDF

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Publication number
EP1526272A1
EP1526272A1 EP03024509A EP03024509A EP1526272A1 EP 1526272 A1 EP1526272 A1 EP 1526272A1 EP 03024509 A EP03024509 A EP 03024509A EP 03024509 A EP03024509 A EP 03024509A EP 1526272 A1 EP1526272 A1 EP 1526272A1
Authority
EP
European Patent Office
Prior art keywords
cam
valve
exhaust gas
rotation
gas recirculation
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
EP03024509A
Other languages
German (de)
English (en)
Other versions
EP1526272B2 (fr
EP1526272B1 (fr
Inventor
Christoph Thiery
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34384636&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1526272(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to ES03024509T priority Critical patent/ES2280668T5/es
Priority to DE50306462T priority patent/DE50306462D1/de
Priority to PT03024509T priority patent/PT1526272E/pt
Priority to AT03024509T priority patent/ATE353400T1/de
Priority to EP03024509A priority patent/EP1526272B2/fr
Application filed by Cooper Standard Automotive Deutschland GmbH filed Critical Cooper Standard Automotive Deutschland GmbH
Priority to CNB200410095436XA priority patent/CN100487236C/zh
Priority to KR1020040085409A priority patent/KR100677942B1/ko
Publication of EP1526272A1 publication Critical patent/EP1526272A1/fr
Publication of EP1526272B1 publication Critical patent/EP1526272B1/fr
Application granted granted Critical
Publication of EP1526272B2 publication Critical patent/EP1526272B2/fr
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
    • F02M26/52—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
    • 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

Definitions

  • the invention relates to an exhaust gas recirculation valve after Preamble of claim 1.
  • valves For exhaust gas recirculation valves are different types of Actuation known to open and close the valve.
  • the valve element such as a Valve plate
  • the valve element by a translational movement of his Release valve seat.
  • it is from the EP 0 856 657 B1, to provide a cam which is of a drive is driven to rotate, and with a translationally movable valve stem in such a manner is that the valve stem during a rotational movement of Cam translationally moved and, for example, when opening is raised from its valve seat.
  • EP 1 245 820 A1 is an exhaust gas recirculation valve after the The preamble of claim 1 known.
  • the invention is based on the object Exhaust gas recirculation valve with a simple and compact design to accomplish.
  • the exhaust gas recirculation valve according to the invention a rotary drive and a valve element on the between an opening and closing position is rotationally operated.
  • the rotational movement of the rotary drive is suitable Way to transfer to the valve element such that this also rotates and rotates between the open and closed position is moved.
  • this can be a translatory movement of the valve element respectively.
  • this translational movement cause the actual opening and closing of the valve, while also between the open and closed positions taking place rotational movement of the valve member serves this for example, to twist at its valve seat to To solve soiling. It comes for the invention just a hint that some kind of rotation of the Valve element is generated.
  • a cam element with a cam curve provided that transmits said rotary motion.
  • the cam element can drive both the driving and the be driven element.
  • the cam element is Cam element in a suitable manner, optionally below Interposition of a transmission, for example with Gears, connected to the rotary drive.
  • the cam element is suitably separated from the Rotary drive is driven and is connected to the valve element connected so that the generated rotation of the cam member causes a rotation of the valve element.
  • an element is provided with the Cam cam of the cam member cooperates such that the described rotations can be generated.
  • a role that can be attached to a lever on the cam curve roll.
  • there are any other types for one Element that interacts with the cam curve conceivable.
  • Cam curve of the cam element has a desired characteristic be realized in the power transmission when opening.
  • the angle that covers the cam curve, and the is passed through accordingly when opening, in a suitable Be set way When trying to get here favorable results for angles ranging from about 70 ° up to 360 ° result.
  • the cam element for a Output angle of 90 ° so a rotation of the Valve element by 90 °, both angles smaller and larger 90 °.
  • both an over- and a Reduction can be achieved to certain, below to achieve more detailed effects.
  • the cam member in any way with be provided a cam curve.
  • a cam curve For example, it may be to act a cam in the narrower sense, on the circumference of the Cam curve is formed.
  • Special advantages with regard to on a compact design and a reliable at the same time Function have, however, for a cam element in shape a cam shown in the cam curve in shape a recess is provided.
  • the recess can be used as a groove be designed with a floor, or it can be used as an opening or opening formed continuously.
  • the cam element cooperates with a roller, the is rotatably mounted on a lever. This is the running Roll off the cam curve to some extent and transmit the Movement on the lever. This allows the other Transmission of the rotary movement between the rotary drive and the Valve element done.
  • the exhaust gas recirculation valve 10 shown in FIG. 1 has First, a rotary drive 12, for example, in the form a torque or rotary motor can be provided. Before on the transmission of the rotational movement of the rotary drive 12 to the valve element is received, should first the Valve element will be described.
  • the valve element is a flapper valve, this essentially according to the above-mentioned application of Applicant can be designed.
  • the present invention is only important that a Valve plate 14 to a lying outside of the valve disk Axis 16 rotating between an open and closed position is moved. In other words, starting from the in Fig. 1 shown closed state, a rotation in which case away from the viewer to the axis 16, the Valve disc 14 lifts off from his valve seat and him here in a sense, in a lateral border area of the flowed through and closed with the valve disk 14 Line moves.
  • a lever 20 To transmit the rotational movement of the rotary drive 12 to the valve element 14 is on the one hand to the axis 18 of the Rotary drive 12 a lever 20 firmly attached. At the free end the lever 20 is rotatably a roller 22 in the case shown intended. This role 22 acts with a in the Cam member 24 formed as a penetration cam curve 26 together. The cam member 24 is in turn fixed with the axis 16 of the valve element 14 is connected.
  • the roller 22 in the Transmission of rotary motion the driving element while the cam member 24 is driven.
  • the lever 20 rotates with the attached role 22 to the viewer, and the role 22 acts in such a way with the cam curve 26 that the cam member 24 away from the viewer, from above is turned clockwise.
  • FIGS. 2a to d This is additionally apparent from FIGS. 2a to d.
  • Fig. 2a is initially shown the initial state in which the valve closed is.
  • the Roller 22 presses on the radially inner flank the cam curve 26. Since the cam curve of the axis of rotation 16 the cam element approximates, thereby a rotation of the Cam member 24 is generated in the clockwise direction become.
  • the cam curve is chosen in this case, that an exemplary rotation of the lever 20 by 20 ° only to a rotation of the cam member to (in the shown example) leads 11.7 °.
  • the driving element describes a larger angle than the driven element.
  • the generated thereby Power amplification can be used advantageously, for possible adhesions of the valve element 14 at its seat to solve, or a reliable opening of the valve even then to effect when a gas pressure acts on the valve.
  • suitable design can also achieve a high control quality become. In other words, an accurate dosing of small amounts of exhaust gas recirculation possible, by small Valve opening angle can be adjusted.
  • the Characteristics also suitably adapted
  • the cam curve 26 may be so designed be that towards the end of the opening movement by a comparatively small rotation of the lever 20 a more extensive rotation of the cam member 24 and thus of the Valve element 14 is effected.
  • a rotation of the lever 20 um 50 ° takes place while the cam member 24 is already around about 59 °, in a concrete case has moved 58.7 °.
  • a Power boost was here accordingly no longer used.
  • Fig. 2d is the final state, so the fully open State of the valve element shown.
  • the roller 22 on the lever 20 has reached the end of the cam curve 22, and the lever 20th has described an example of an angle of 70 °.
  • the cam member 24 and thus the valve member 14 are However, rotated by 90 °, so that the valve element 14th such in a lateral region of the flow-through line It was panned that there was no appreciable Represents flow resistance more.
  • the cam curve 126 cooperates with a roller 122 in the cam curve 126 is arranged and also rotatable on a lever 120 is stored.
  • the lever 120 is like the Embodiment of Fig. 1 at the axis of rotation 116 of the Valve element 114 mounted so that the lever 120 as driven element, by the rotary drive 112 by means of the cam member 124 transmitted rotational movement on the Valve element 114 transmits.
  • Fig. 4 is shown in a plan view in addition, as this rotational movement to form a special Characteristic can be transferred.
  • the cam curve 126 in this case a Covering angle of about 360 °. It is important to emphasize that also smaller or larger angles than 360 ° are possible, and the cam member 24 according to the embodiment of Fig. 1 and 2 only a cam curve with an angular range of 70 ° having.
  • the cam curve 126 may, however a particularly extensive power boost in certain Phases of the opening process are generated. This results for example, from the fact that the cam curve 126 at her Beginning, i. starting from a closed position of the valve, is extremely flat.
  • the Cam member 124 is rotated counterclockwise, and the radially outer edge of the cam curve 126 pushes the roller 122 increasingly inward, so that too the lever 120 and thus the valve element 114 in the closed position is pushed back. Also for this embodiment is to recognize that the axis of rotation 116 of the Valve element and the axis of rotation 130 of the cam member close can be arranged to each other, so that a compact Design can be realized.
EP03024509A 2003-10-24 2003-10-24 Soupape de recirculation de gaz d'échappement Expired - Lifetime EP1526272B2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE50306462T DE50306462D1 (de) 2003-10-24 2003-10-24 Abgasrückführventil
PT03024509T PT1526272E (pt) 2003-10-24 2003-10-24 Válvula de recirculação de gases de escape
AT03024509T ATE353400T1 (de) 2003-10-24 2003-10-24 Abgasrückführventil
EP03024509A EP1526272B2 (fr) 2003-10-24 2003-10-24 Soupape de recirculation de gaz d'échappement
ES03024509T ES2280668T5 (es) 2003-10-24 2003-10-24 Válvula de recirculación de gases de escape
CNB200410095436XA CN100487236C (zh) 2003-10-24 2004-10-24 废气再循环阀
KR1020040085409A KR100677942B1 (ko) 2003-10-24 2004-10-25 배기가스 재순환 밸브

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03024509A EP1526272B2 (fr) 2003-10-24 2003-10-24 Soupape de recirculation de gaz d'échappement

Publications (3)

Publication Number Publication Date
EP1526272A1 true EP1526272A1 (fr) 2005-04-27
EP1526272B1 EP1526272B1 (fr) 2007-02-07
EP1526272B2 EP1526272B2 (fr) 2012-04-11

Family

ID=34384636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03024509A Expired - Lifetime EP1526272B2 (fr) 2003-10-24 2003-10-24 Soupape de recirculation de gaz d'échappement

Country Status (7)

Country Link
EP (1) EP1526272B2 (fr)
KR (1) KR100677942B1 (fr)
CN (1) CN100487236C (fr)
AT (1) ATE353400T1 (fr)
DE (1) DE50306462D1 (fr)
ES (1) ES2280668T5 (fr)
PT (1) PT1526272E (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1876348A1 (fr) * 2006-07-06 2008-01-09 Cooper-Standard Automotive (Deutschland) GmbH Vanne de recirculation des gaz d'échappement
EP1882843A2 (fr) * 2006-07-05 2008-01-30 Gustav Wahler GmbH u. Co.KG Dispositif d'actionnement d'une soupape, en particulier d'une soupape de clapet anti-retour
WO2011061051A1 (fr) * 2009-11-19 2011-05-26 Pierbrug Gmbh Dispositif de réglage permettant de convertir un mouvement rotatif en un mouvement linéaire
WO2012000780A1 (fr) * 2010-06-29 2012-01-05 Pierbrug Gmbh Dispositif de commande
DE102011078907A1 (de) 2010-07-12 2012-01-12 Sonceboz Automative Sa Vervollkommnetes Ventil und Anwendung
EP2453155A1 (fr) * 2010-11-10 2012-05-16 Pierburg GmbH Dispositif de réglage
WO2013021133A1 (fr) 2011-08-08 2013-02-14 Sonceboz Automotive Sa Dispositif de dosage compact
EP2650524A3 (fr) * 2012-04-12 2014-02-19 Kamtec Inc. Soupape de recirculation de gaz d'échappement et procédé de fabrication de came associée

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101011643B1 (ko) * 2010-09-08 2011-01-28 주식회사 유니크 차량용 이지알 밸브

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1176433B (de) * 1959-01-16 1964-08-20 Paul Vulliez Betaetigungseinrichtung fuer ein in zwei Stufen be-wegliches Kueken eines Hahns
DE1750293B1 (de) * 1968-04-19 1971-07-29 Emil Haselhofer Feinmechanik E Mischventil mit steuerkurvenscheiben
EP0856657A2 (fr) * 1997-02-04 1998-08-05 Gustav Wahler GmbH u. Co Soupape de recirculation de gaz d'échappement pour un moteur à combustion
EP1103715A1 (fr) * 1999-11-29 2001-05-30 Delphi Technologies, Inc. Dispositif de recirculation des gaz d'échappement d'un moteur à combustion interne

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3417612A1 (de) † 1984-05-23 1985-11-14 Csongrád Megyei Víz- és Csatornamü Vállalat, Szentes Gesteuerter durchflussregler
US20030136930A1 (en) † 2002-01-23 2003-07-24 Dowden David E. Non-coaxial rotary linkage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1176433B (de) * 1959-01-16 1964-08-20 Paul Vulliez Betaetigungseinrichtung fuer ein in zwei Stufen be-wegliches Kueken eines Hahns
DE1750293B1 (de) * 1968-04-19 1971-07-29 Emil Haselhofer Feinmechanik E Mischventil mit steuerkurvenscheiben
EP0856657A2 (fr) * 1997-02-04 1998-08-05 Gustav Wahler GmbH u. Co Soupape de recirculation de gaz d'échappement pour un moteur à combustion
EP1103715A1 (fr) * 1999-11-29 2001-05-30 Delphi Technologies, Inc. Dispositif de recirculation des gaz d'échappement d'un moteur à combustion interne

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1882843A2 (fr) * 2006-07-05 2008-01-30 Gustav Wahler GmbH u. Co.KG Dispositif d'actionnement d'une soupape, en particulier d'une soupape de clapet anti-retour
EP1882843A3 (fr) * 2006-07-05 2008-09-03 Gustav Wahler GmbH u. Co.KG Dispositif d'actionnement d'une soupape, en particulier d'une soupape de clapet anti-retour
EP1876348A1 (fr) * 2006-07-06 2008-01-09 Cooper-Standard Automotive (Deutschland) GmbH Vanne de recirculation des gaz d'échappement
US7533659B2 (en) 2006-07-06 2009-05-19 Cooper-Standard Automotive (Deutchland) Gmbh Exhaust-gas recirculation valve
WO2011061051A1 (fr) * 2009-11-19 2011-05-26 Pierbrug Gmbh Dispositif de réglage permettant de convertir un mouvement rotatif en un mouvement linéaire
WO2012000780A1 (fr) * 2010-06-29 2012-01-05 Pierbrug Gmbh Dispositif de commande
DE102011078907A1 (de) 2010-07-12 2012-01-12 Sonceboz Automative Sa Vervollkommnetes Ventil und Anwendung
EP2453155A1 (fr) * 2010-11-10 2012-05-16 Pierburg GmbH Dispositif de réglage
WO2013021133A1 (fr) 2011-08-08 2013-02-14 Sonceboz Automotive Sa Dispositif de dosage compact
EP2650524A3 (fr) * 2012-04-12 2014-02-19 Kamtec Inc. Soupape de recirculation de gaz d'échappement et procédé de fabrication de came associée

Also Published As

Publication number Publication date
ATE353400T1 (de) 2007-02-15
PT1526272E (pt) 2007-03-30
ES2280668T3 (es) 2007-09-16
KR100677942B1 (ko) 2007-02-06
KR20050039683A (ko) 2005-04-29
EP1526272B2 (fr) 2012-04-11
ES2280668T5 (es) 2012-10-15
EP1526272B1 (fr) 2007-02-07
DE50306462D1 (de) 2007-03-22
CN1641204A (zh) 2005-07-20
CN100487236C (zh) 2009-05-13

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