EP1111227A2 - Abgasrückführventil - Google Patents
Abgasrückführventil Download PDFInfo
- Publication number
- EP1111227A2 EP1111227A2 EP00127215A EP00127215A EP1111227A2 EP 1111227 A2 EP1111227 A2 EP 1111227A2 EP 00127215 A EP00127215 A EP 00127215A EP 00127215 A EP00127215 A EP 00127215A EP 1111227 A2 EP1111227 A2 EP 1111227A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- exhaust gas
- gas recirculation
- recirculation valve
- actuating mechanism
- 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 33
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 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
- 239000012535 impurity Substances 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
- F02M26/65—Constructional details of EGR valves
- F02M26/66—Lift valves, e.g. poppet valves
- F02M26/67—Pintles; Spindles; Springs; Bearings; Sealings; Connections to actuators
-
- 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
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
-
- 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 valve.
- the associated electrical exhaust gas recirculation valves are usually controlled as solenoid valves so that they move translationally so that a valve element, for example a valve disk, from its associated one Valve seat is removed, and a passage of exhaust gas is made possible.
- the invention is based on the object Exhaust gas recirculation valve to create a reliable Open the valve even if the Contact area between valve seat and valve plate with one compact actuation mechanism can be guaranteed.
- the exhaust gas recirculation valve an actuating mechanism on the valve element, the interacts with the valve seat, usually the Valve plate, at least at the beginning of the opening process Rotational movement granted about its axis.
- the valve disc as it were at the beginning of the Opening process at least slightly around the axis of the associated valve lifter rotated. This movement is therefore extremely reliable for opening with little force effective because the adhering contaminants between Valve element and valve seat forces acting as shear forces withstand worse than normal forces.
- valve element requires a higher force usually from the valve seat with which it is under Circumstances due to contamination is stuck through subtract linear displacement than the force required is used to loosen the valve element on the valve seat due to the impurities bonded around the Turn the valve tappet axis.
- this can be advantageous, the gluing loosening rotary movement at the beginning of the opening process alone be carried out, and the translational movement to actual opening of the valve can subsequently be applied become.
- the rotating and lifting movement to combine with each other, i.e. to carry out simultaneously, so that the valve element at the beginning of the opening process is not "straight" raised from the valve seat, but this lifting takes place to a certain extent in a rotating manner.
- One embodiment has been developed for the actuating mechanism turned out to be particularly advantageous, the mother-spindle system having. This can in particular simple and effective way of rotating a Drive motor in a combined rotation and stroke movement of the Valve element are converted.
- the ball track can be designed in an advantageous manner so that the Valve element initially only issued a rotary movement and, at some point, a combined rotation and lifting motion. For this, the ball track is first planar and spiraling from a certain point.
- an embodiment of the invention is preferred in which the actuating mechanism is a rotary element has, which has a contour or cam surface, the an element attached to the valve housing expires.
- the actuating mechanism is a rotary element has, which has a contour or cam surface
- the an element attached to the valve housing expires. This can be achieved through the interaction between the Contoured rotating element and on the valve housing attached elements such a movement of the rotating element achieved that this is rotated and trained by the corresponding contour from a certain point in time is raised.
- this Rotary element and the valve element for example the Valve tappet with the valve disk formed thereon, can the combined or sequential turning and Lifting motion can be transferred to the valve element.
- the invention Exhaust gas recirculation valve finally with a reset or Fail-save mechanism combined when opening the Valve on torsion and preferably additionally on pressure is claimed.
- a fail-save function supports this Circumstance account that the valve element according to the invention Rotary motion is given, so that the reset is safe can be done by a twisted reset device that the required rotation of the valve element Guaranteed a closing movement. When trying has been found to make this particularly safe Closing the valve can be achieved.
- the invention Exhaust gas recirculation valve 10 on a valve housing 12, which in its lower area through an opening 14 which with a Valve seat 16 is provided, through which exhaust gas flows.
- the Opening 14 is through a valve element, in the case shown a valve plate 18 closable.
- the valve plate 18 is attached to a valve lifter 20 shown in FIG Case in its upper area is designed as a spindle 22.
- the spindle 22 is, as shown, in a fixed in the Valve housing 12 anchored nut 24 with ball bearings.
- a so-called harmonic drive gear 26 or another compact gearbox provided to the rotational movement of an electric motor 28 to transmit the valve lifter 20.
- a return spring 30 fixed anchored which, as described below, is a safe one Return of the valve to the closed state also at Failure of the electric motor 28 guaranteed.
- a seal 32 for sealing the the area through which the exhaust gas flows Operating mechanism is shown below the Mother 24 in this Embodiment.
- Fig. 1 an open state of the valve is shown. This will in that the electric motor 28 rotates is shifted, and this rotation via the harmonic drive gear 26 or another compact gearbox the valve lifter 20 is transmitted.
- the Valve tappet 20 in its upper area as a spindle 22 is formed, the rotary movement of the valve tappet 20 leads in cooperation with the mother 24 to one translational movement of the valve lifter 20 together with the valve plate 18.
- the valve plate 18 in the valve seat 16 not only, especially at the beginning of Opening process, twisted, but also by this raised so that the valve opens.
- the spindle 22 is ball-bearing in the nut 24.
- the ball tracks are also like this designed to be additional from a certain point through a spiral formation of the ball tracks for a translational movement of the valve plate 18, and a corresponding, comparatively quick opening of the Ensure valve plates 18.
- the return spring 30 When the valve opens, the return spring 30 both twisted, i.e. twisted, as well as because of the axial Displacement, pressurized.
- the interaction of the in energy stored in the return spring 30 in this manner can reliably close the valve even in the case ensure that the electric motor 28 for some reason should fail.
- the embodiment of the Exhaust gas recirculation valve 10 is this fail-save device designed in the form of the return spring 30.
- the actuation of the valve, in particular the lifting of the Valve plates 18 from the valve seat 16 take place at this
- the embodiment is different from the embodiment of FIG Fig. 1.
- a (in Fig. 2 is not closed recognizing) motor is provided, its rotary movement over a Helical gear 34 or another compact design Gear on a rotary element, in particular a gear 36 is transmitted, the .fest connected to the valve lifter 20 is.
- the coil spring 30 takes over in this case additional function, the gear 36 against so-called Press thrust rollers 38 in the valve housing 12 are rotatably mounted.
- the valve housing 12 respective axes firmly connected.
- the contour can be set, for example, that the amount of the Thrust rollers 38 is initially not changed, so that Valve plate 18 on the valve seat 16 at the beginning of Opening process only performs a rotary movement. This enables the described easy loosening of any Bonding and cleaning of the valve seat 16.
- FIG. 3 is another embodiment of the Exhaust gas recirculation valve according to the invention shown, which is from the embodiment of FIG. 2 by the type of transmission differs with which the rotary motion of the electric motor the valve is transmitted.
- a harmonic drive gear 26 or another compact gearbox intended.
- the return spring 30 is one of the Gears 36, which is fixedly connected to the valve lifter 20, also in this embodiment against thrust rollers 38 pressed, which are rotatably mounted on the valve housing 12. Consequently, the turning movement is converted into a Lifting movement of the valve plate 18 similar to that in the 2 via a gear wheel 36 trained contour that interacts with the thrust rollers.
- In the central area of the valve lifter 20 there is one Valve tappet guide 40 and a seal 32 can be seen.
- FIGS. 3 and 1 A comparison of FIGS. 3 and 1 shows that the closed position (see FIG. 3) to the open position (see Fig. 1) of the valve with the shaft of the electric motor coupled gear and the gear 36 (see FIG. 3) of the Shift the harmonic drive gear 26 against each other.
- the return spring 36 in all three cases shown as a combined compression and torsion spring is.
- a pure Torsion spring for example a so-called original spring, to provide.
- a pure Torsion spring for example a so-called original spring
- other compact Building gear types for example Helical, planetary, bevel gear, etc.
- the use of a Electric motor with rotating output shaft even without the Certain transmission of the rotary movement to the valve disk Offers advantages. For example, this can be done for the Fig.
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)
Abstract
Description
- Fig. 1
- eine Schnittansicht einer ersten Ausführungsform des erfindungsgemäßen Abgasrückführventils;
- Fig. 2
- eine Schnittansicht einer zweiten Ausführungsform des erfindungsgemäßen Abgasrückführventils; und
- Fig. 3
- eine Schnittansicht einer dritten Ausführungsform des erfindungsgemäßen Abgasrückführventils.
Claims (7)
- Abgasrückführventil mit einem translatorisch bewegbaren Ventilelement, insbesondere einem Ventilteller (18), und einem Betätigungsmechanismus, der dem Ventilelement (18) zumindest zu Beginn des Öffnungsvorganges eine um dessen Achse erfolgende Drehbewegung erteilt.
- Abgasrückführventil nach Anspruch 1,
dadurch gekennzeichnet, dass
der Betätigungsmechanismus ein Mutter (24)-Spindel (22)-System aufweist. - Abgasrückführventil nach Anspruch 2,
dadurch gekennzeichnet, dass
die Spindel (22) kugelgelagert ist, wobei die Kugellaufbahn derart gestaltet ist, dass sie abschnittsweise planar und abschnittsweise spiralförmig ausgebildet ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
der Betätigungsmechanismus ein Drehelement (36) mit einer Kontur aufweist, die mit zumindest einem an dem Ventilgehäuse (12) angebrachten Element (38) zusammenwirkt. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
der Betätigungsmechanismus translatorisch gegeneinander verschiebbare Zahnräder aufweist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
der Betätigungsmechanismus, vorzugsweise zusammen mit einem Antrieb (28), verschiebbar an dem Ventilgehäuse (12) angebracht ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
eine Rückstelleinrichtung (30) vorhanden ist, die beim Öffnen des Ventils tordiert, und vorzugsweise zusätzlich zusammengedrückt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961756A DE19961756C1 (de) | 1999-12-21 | 1999-12-21 | Abgasrückführventil |
DE19961756 | 1999-12-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1111227A2 true EP1111227A2 (de) | 2001-06-27 |
EP1111227A3 EP1111227A3 (de) | 2002-03-20 |
EP1111227B1 EP1111227B1 (de) | 2006-11-08 |
Family
ID=7933641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00127215A Expired - Lifetime EP1111227B1 (de) | 1999-12-21 | 2000-12-14 | Abgasrückführventil |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1111227B1 (de) |
AT (1) | ATE344881T1 (de) |
DE (2) | DE19961756C1 (de) |
ES (1) | ES2274762T3 (de) |
PT (1) | PT1111227E (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002066816A1 (de) * | 2001-02-20 | 2002-08-29 | Robert Bosch Gmbh | Selbstreinigende ventile in zuluft- oder abgassystem an verbrennungskraftmaschinen |
EP1526271A1 (de) * | 2003-10-24 | 2005-04-27 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
WO2006082049A1 (de) * | 2005-02-03 | 2006-08-10 | Behr Gmbh & Co. Kg | Abgaswärmeübertrager, insbesondere für kraftfahrzeuge |
EP2172682A1 (de) | 2008-10-06 | 2010-04-07 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
EP2418373A1 (de) | 2010-08-12 | 2012-02-15 | Cooper-Standard Automotive (Deutschland) GmbH | Aktuator und Abgasrückführventil, Wastegate oder variable Turbinengeometrie eines Turboladers mit einem Aktuator |
DE102010050668A1 (de) * | 2010-11-09 | 2012-05-10 | Voith Patent Gmbh | Ventileinrichtung |
CN108350837A (zh) * | 2015-09-04 | 2018-07-31 | 法雷奥电机控制系统公司 | 用于燃烧发动机的致动装置 |
CN110486200A (zh) * | 2019-09-11 | 2019-11-22 | 潍柴西港新能源动力有限公司 | 改进的新式egr阀及其控制方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1787049B1 (de) | 2004-08-30 | 2009-10-28 | Behr GmbH & Co. KG | Drehkolbenventil und abgasrückführsystem mit einem solchen ventil |
EP1793114B1 (de) * | 2005-12-02 | 2013-05-15 | Behr Thermot-tronik GmbH | Vorrichtung, insbesondere Abgasrückführventileinrichtung, zum Steuern oder Regeln eines Fluidstroms |
DE102011051587A1 (de) * | 2011-07-05 | 2013-01-10 | Benteler Automobiltechnik Gmbh | Druckwellenladeranordnung zum Aufladen einer Verbrennungskraftmaschine sowie Verfahren zum Betreiben einer Druckwellenladeranordnung |
DE102014109289B4 (de) | 2014-07-02 | 2020-01-30 | Pierburg Gmbh | Ventilvorrichtung zur Abgasrückführung in einem Verbrennungsmotor |
FR3045108A1 (fr) * | 2015-12-10 | 2017-06-16 | Peugeot Citroen Automobiles Sa | Ensemble forme d’une soupape autonettoyante et de son dispositif d’actionnement |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19733964A1 (de) | 1997-08-06 | 1999-02-11 | Volkswagen Ag | Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1454423A (en) * | 1921-03-07 | 1923-05-08 | Continental Engineering Corp | Rotary valve for internal-combustion engines |
US4346728A (en) * | 1980-07-28 | 1982-08-31 | Anchor/Darling Industries, Inc. | Automated dual mode valve actuator |
DE3609611C2 (de) * | 1985-08-29 | 1994-01-27 | Bosch Gmbh Robert | Abgasrückführregelvorrichtung für eine Brennkraftmaschine |
US5318064A (en) * | 1993-09-24 | 1994-06-07 | Marotta Scientific Controls, Inc. | Motor-operated valve |
DE19603592C1 (de) * | 1996-02-01 | 1997-05-15 | Daimler Benz Ag | Ventilsteuerung für eine Brennkraftmaschine |
FR2748780B1 (fr) * | 1996-05-14 | 1998-08-14 | Sagem Allumage | Vanne pour systeme de recirculation des gaz d'echappement de moteur a combustion interne |
DE19704091A1 (de) * | 1997-02-04 | 1998-08-06 | Wahler Gmbh & Co Gustav | Abgasrückführventil für eine Brennkraftmaschine |
FR2772429B1 (fr) * | 1997-12-16 | 2000-06-02 | Sagem | Vanne de controle pour systeme de recirculation des gaz d'echappement d'un moteur a combustion interne |
-
1999
- 1999-12-21 DE DE19961756A patent/DE19961756C1/de not_active Expired - Lifetime
-
2000
- 2000-12-14 DE DE50013715T patent/DE50013715D1/de not_active Expired - Lifetime
- 2000-12-14 ES ES00127215T patent/ES2274762T3/es not_active Expired - Lifetime
- 2000-12-14 AT AT00127215T patent/ATE344881T1/de active
- 2000-12-14 PT PT00127215T patent/PT1111227E/pt unknown
- 2000-12-14 EP EP00127215A patent/EP1111227B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19733964A1 (de) | 1997-08-06 | 1999-02-11 | Volkswagen Ag | Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002066816A1 (de) * | 2001-02-20 | 2002-08-29 | Robert Bosch Gmbh | Selbstreinigende ventile in zuluft- oder abgassystem an verbrennungskraftmaschinen |
EP1526271A1 (de) * | 2003-10-24 | 2005-04-27 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
CN100359153C (zh) * | 2003-10-24 | 2008-01-02 | 库帕-标准汽车(德国)有限责任公司 | 废气再循环阀 |
WO2006082049A1 (de) * | 2005-02-03 | 2006-08-10 | Behr Gmbh & Co. Kg | Abgaswärmeübertrager, insbesondere für kraftfahrzeuge |
EP2172682A1 (de) | 2008-10-06 | 2010-04-07 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführventil |
EP2418373A1 (de) | 2010-08-12 | 2012-02-15 | Cooper-Standard Automotive (Deutschland) GmbH | Aktuator und Abgasrückführventil, Wastegate oder variable Turbinengeometrie eines Turboladers mit einem Aktuator |
US9670833B2 (en) | 2010-08-12 | 2017-06-06 | Cooper-Standard Automotive (Deutschland) Gmbh | Actuator and exhaust gas recirculation valve, wastegate or variable turbine geometry device of a turbocharger comprising an actuator |
DE102010050668A1 (de) * | 2010-11-09 | 2012-05-10 | Voith Patent Gmbh | Ventileinrichtung |
CN108350837A (zh) * | 2015-09-04 | 2018-07-31 | 法雷奥电机控制系统公司 | 用于燃烧发动机的致动装置 |
EP3344866B1 (de) * | 2015-09-04 | 2024-03-27 | Valeo Systèmes De Contrôle Moteur | Abgasventil |
CN110486200A (zh) * | 2019-09-11 | 2019-11-22 | 潍柴西港新能源动力有限公司 | 改进的新式egr阀及其控制方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE344881T1 (de) | 2006-11-15 |
PT1111227E (pt) | 2006-12-29 |
EP1111227B1 (de) | 2006-11-08 |
DE19961756C1 (de) | 2001-04-19 |
ES2274762T3 (es) | 2007-06-01 |
DE50013715D1 (de) | 2006-12-21 |
EP1111227A3 (de) | 2002-03-20 |
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