EP1526272A1 - Abgasrückführventil - Google Patents
Abgasrückführventil Download PDFInfo
- 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
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanically-Actuated Valves (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Es zeigen:
- Fig. 1
- eine perspektivische Explosionsansicht des erfindungsgemäßen Abgasrückführventils in einer ersten Ausführungsform;
- Fig. 2a bis d
- verschiedene Stellungen der die Drehbewegung übertragenden Elemente des Abgasrückführventils von Fig. 1;
- Fig. 3
- eine perspektivische Explosionsansicht des erfindungsgemäßen Abgasrückführventils in einer zweiten Ausführungsform; und
- Fig. 4
- eine Draufsicht der die Drehbewegung übertragenden Elemente des Abgasrückführventils gemäß Fig. 3.
Claims (6)
- Abgasrückführventil (10, 110), mit:einem Drehantrieb (12, 112), undeinem zwischen einer Öffnungs- und einer Schließstellung drehend betätigbaren Ventilelement (14, 114),
ein Nockenelement (24, 124) mit einer Nockenkurve (26, 126) vorgesehen ist, das die Drehbewegung von dem Drehantrieb (12, 112) auf das Ventilelement (14, 114) überträgt. - Abgasrückführventil nach Anspruch 1,
dadurch gekennzeichnet, dass
zumindest zwei der Drehachsen (16, 116, 18, 118, 130) des Drehantriebs (12, 112), des Nockenelements (24, 124) und des Ventilelements (14, 114) parallel zueinander sind. - Abgasrückführventil nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
die Nockenkurve (26, 126) des Nockenelements (24, 124) einen Winkel von 70° bis 360° abdeckt. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Nockenkurve (26, 126) ausgehend von einem Schließzustand am Beginn flach gestaltet ist, so dass eine Drehung des Drehantriebs (12, 112) um einen bestimmten Drehwinkel eine Drehung des Ventilelements (14, 114) mit einem geringeren Winkel als dem Drehwinkel des Drehantriebs (12, 112) erzeugt. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
das Nockenelement (24, 124) eine Kurvenscheibe ist, in der die Nockenkurve (26, 126) in Form einer Aussparung vorgesehen ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
das Nockenelement (24, 124) mit einer Rolle (22, 122) zusammenwirkt, die drehbar an einem Hebel (20, 120) angebracht ist.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50306462T DE50306462D1 (de) | 2003-10-24 | 2003-10-24 | Abgasrückführventil |
ES03024509T ES2280668T5 (es) | 2003-10-24 | 2003-10-24 | Válvula de recirculación de gases de escape |
EP03024509A EP1526272B2 (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 |
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 (de) | 2003-10-24 | 2003-10-24 | Abgasrückführventil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1526272A1 true EP1526272A1 (de) | 2005-04-27 |
EP1526272B1 EP1526272B1 (de) | 2007-02-07 |
EP1526272B2 EP1526272B2 (de) | 2012-04-11 |
Family
ID=34384636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03024509A Expired - Lifetime EP1526272B2 (de) | 2003-10-24 | 2003-10-24 | Abgasrückführventil |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1526272B2 (de) |
KR (1) | KR100677942B1 (de) |
CN (1) | CN100487236C (de) |
AT (1) | ATE353400T1 (de) |
DE (1) | DE50306462D1 (de) |
ES (1) | ES2280668T5 (de) |
PT (1) | PT1526272E (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1876348A1 (de) * | 2006-07-06 | 2008-01-09 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
EP1882843A2 (de) * | 2006-07-05 | 2008-01-30 | Gustav Wahler GmbH u. Co.KG | Betätigungseinrichtung eines Ventils, insbesondere eines Abgasrückführventils |
WO2011061051A1 (de) * | 2009-11-19 | 2011-05-26 | Pierbrug Gmbh | Stellvorrichtung zur umwandlung einer rotatorischen bewegung in eine lineare bewegung |
WO2012000780A1 (de) * | 2010-06-29 | 2012-01-05 | Pierbrug Gmbh | Stellvorrichtung |
DE102011078907A1 (de) | 2010-07-12 | 2012-01-12 | Sonceboz Automative Sa | Vervollkommnetes Ventil und Anwendung |
EP2453155A1 (de) * | 2010-11-10 | 2012-05-16 | Pierburg GmbH | Stellvorrichtung |
WO2013021133A1 (fr) | 2011-08-08 | 2013-02-14 | Sonceboz Automotive Sa | Dispositif de dosage compact |
EP2650524A3 (de) * | 2012-04-12 | 2014-02-19 | Kamtec Inc. | Abgasrückführventil und Verfahren zur Herstellung einer Nocke dafür |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101011643B1 (ko) * | 2010-09-08 | 2011-01-28 | 주식회사 유니크 | 차량용 이지알 밸브 |
Citations (4)
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 (de) * | 1997-02-04 | 1998-08-05 | Gustav Wahler GmbH u. Co | Abgasrückführventil für eine Brennkraftmaschine |
EP1103715A1 (de) * | 1999-11-29 | 2001-05-30 | Delphi Technologies, Inc. | Abgasrückführungsvorrichtung für eine Brennkraftmaschine |
Family Cites Families (2)
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 |
-
2003
- 2003-10-24 ES ES03024509T patent/ES2280668T5/es not_active Expired - Lifetime
- 2003-10-24 EP EP03024509A patent/EP1526272B2/de not_active Expired - Lifetime
- 2003-10-24 DE DE50306462T patent/DE50306462D1/de not_active Expired - Lifetime
- 2003-10-24 AT AT03024509T patent/ATE353400T1/de active
- 2003-10-24 PT PT03024509T patent/PT1526272E/pt unknown
-
2004
- 2004-10-24 CN CNB200410095436XA patent/CN100487236C/zh not_active Expired - Fee Related
- 2004-10-25 KR KR1020040085409A patent/KR100677942B1/ko active IP Right Grant
Patent Citations (4)
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 (de) * | 1997-02-04 | 1998-08-05 | Gustav Wahler GmbH u. Co | Abgasrückführventil für eine Brennkraftmaschine |
EP1103715A1 (de) * | 1999-11-29 | 2001-05-30 | Delphi Technologies, Inc. | Abgasrückführungsvorrichtung für eine Brennkraftmaschine |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1882843A2 (de) * | 2006-07-05 | 2008-01-30 | Gustav Wahler GmbH u. Co.KG | Betätigungseinrichtung eines Ventils, insbesondere eines Abgasrückführventils |
EP1882843A3 (de) * | 2006-07-05 | 2008-09-03 | Gustav Wahler GmbH u. Co.KG | Betätigungseinrichtung eines Ventils, insbesondere eines Abgasrückführventils |
EP1876348A1 (de) * | 2006-07-06 | 2008-01-09 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
US7533659B2 (en) | 2006-07-06 | 2009-05-19 | Cooper-Standard Automotive (Deutchland) Gmbh | Exhaust-gas recirculation valve |
WO2011061051A1 (de) * | 2009-11-19 | 2011-05-26 | Pierbrug Gmbh | Stellvorrichtung zur umwandlung einer rotatorischen bewegung in eine lineare bewegung |
WO2012000780A1 (de) * | 2010-06-29 | 2012-01-05 | Pierbrug Gmbh | Stellvorrichtung |
DE102011078907A1 (de) | 2010-07-12 | 2012-01-12 | Sonceboz Automative Sa | Vervollkommnetes Ventil und Anwendung |
EP2453155A1 (de) * | 2010-11-10 | 2012-05-16 | Pierburg GmbH | Stellvorrichtung |
WO2013021133A1 (fr) | 2011-08-08 | 2013-02-14 | Sonceboz Automotive Sa | Dispositif de dosage compact |
EP2650524A3 (de) * | 2012-04-12 | 2014-02-19 | Kamtec Inc. | Abgasrückführventil und Verfahren zur Herstellung einer Nocke dafür |
Also Published As
Publication number | Publication date |
---|---|
KR100677942B1 (ko) | 2007-02-06 |
EP1526272B1 (de) | 2007-02-07 |
ATE353400T1 (de) | 2007-02-15 |
DE50306462D1 (de) | 2007-03-22 |
KR20050039683A (ko) | 2005-04-29 |
EP1526272B2 (de) | 2012-04-11 |
CN1641204A (zh) | 2005-07-20 |
PT1526272E (pt) | 2007-03-30 |
CN100487236C (zh) | 2009-05-13 |
ES2280668T5 (es) | 2012-10-15 |
ES2280668T3 (es) | 2007-09-16 |
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