EP1630403A1 - Dispositif à soupape à deux voies réglable pour moteur à combustion interne - Google Patents

Dispositif à soupape à deux voies réglable pour moteur à combustion interne Download PDF

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Publication number
EP1630403A1
EP1630403A1 EP05013906A EP05013906A EP1630403A1 EP 1630403 A1 EP1630403 A1 EP 1630403A1 EP 05013906 A EP05013906 A EP 05013906A EP 05013906 A EP05013906 A EP 05013906A EP 1630403 A1 EP1630403 A1 EP 1630403A1
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EP
European Patent Office
Prior art keywords
valve
angular range
passage openings
inlet
controllable
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
EP05013906A
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German (de)
English (en)
Other versions
EP1630403B1 (fr
Inventor
Peter Rütten
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
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Pierburg GmbH
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Filing date
Publication date
Application filed by Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP1630403A1 publication Critical patent/EP1630403A1/fr
Application granted granted Critical
Publication of EP1630403B1 publication Critical patent/EP1630403B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • F02M26/26—Layout, e.g. schematics with coolers having bypasses characterised by details of the bypass valve
    • 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
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities

Definitions

  • the invention relates to a controllable two-way valve device for an internal combustion engine having a housing in which a first and a second inlet or outlet channel, a third outlet or inlet channel and at least one valve member are arranged, wherein the at least one valve member via an actuating unit is movable such that a fluidic connection can be selectively produced between the first or the second inlet or outlet channel and the third outlet or inlet channel.
  • Such two-way valve devices are known, for example, as combined exhaust gas recirculation and bypass valve devices in which two valve members are translationally actuated via a continuously variable actuator to reduce the pollutant emissions of an internal combustion engine by the exhaust gas is passed through the bypass channel in the warm-up phase and after Heating a catalyst, the exhaust gas is supplied via the exhaust gas cooler of the internal combustion engine.
  • DE 100 25 877 describes an exhaust gas recirculation system having a valve device which has an exhaust gas inlet and two exhaust gas outlets, one of the exhaust gas outlets leading to a cooler and the other exhaust gas outlet being fluidically connected to a bypass channel bypassing the cooler.
  • a valve seat is disposed between the exhaust gas inlet and the two exhaust gas outlets, which are each controlled by a plate-shaped valve member.
  • the valve members are arranged on a valve rod, which is translationally movable via an actuating unit, wherein the first valve member is mounted on a first valve rod and the second, closer to the actuator valve member disposed on a first valve rod surrounding the second tubular valve rod is fixed.
  • the actuator is like this executed that in the control unit two springs are arranged, via which the two valve plates are biased pressed onto their valve seats.
  • the inner and outer valve rod are each arranged to be displaceable relative to each other, so that the pneumatic or electromotive actuator is designed so that only one of the valve rods and thus only one of the two valve members is lifted from the corresponding valve seat depending on the direction of movement.
  • DE 198 12 702 A1 describes a valve arrangement for controlling a recirculated exhaust gas flow, wherein it is arranged behind a bypass duct and an exhaust gas cooler, so that this valve arrangement has two inlets and one outlet.
  • the two respectively corresponding with a valve seat, arranged on the valve stem valve members are pressed via two arranged in the channel coil springs in each case on the valve seat.
  • Both valve members each have a bore in the center through which at least partially extends the common valve rod.
  • valve rod On the valve rod, two frets are formed, via which the valve members can be actuated individually in the opening direction against the spring force via the collar upon actuation of the valve stem, wherein the respective other valve member to slide on the valve stem, as it is pressed by the spring force on the valve seat becomes.
  • valve devices in different applications where these are usually controlled electromagnetically.
  • corresponding bores are arranged in the movable armature of the solenoid valves, which correspond to trained in the housing Einrytician outlets.
  • These valves are usually designed so that exactly two or three different positions of the armature can be controlled to connect the different paths to each other.
  • These are usually not continuously adjustable and are not suitable, for example, for regulated exhaust gas recirculation via a cooler or a bypass, since the movable armature in the current would be sensitive to dirt and sufficient flow cross sections are not guaranteed in such valves.
  • DE 101 01 412 A1 discloses an exhaust gas recirculation device in the form of a rotary slide valve for an internal combustion engine.
  • a disc-shaped switching element is rotatably rotated via an actuating unit.
  • the switching element has control openings which correspond to passage openings in a valve plate, these passage openings each forming an end of individual channels leading to the air intake duct system.
  • such a valve is not usable as a two-way valve device, since the outlet channels can not be opened or closed individually, but only together and simultaneously, so that each outlet channel an identical mass flow is provided.
  • only a single valve member should be necessary if possible. This is to cost and weight advantages can be achieved.
  • An applicability in the field of exhaust gas recirculation should be maintained, so that a high dirt resistance must be present.
  • controllable two-way valve device is designed as a rotary valve having a valve plate on which at least a first passage opening of the first inlet or outlet channel is formed, and formed a second passage opening of the second inlet or outlet channel is, wherein the passage openings correspond with at least one control opening, which is formed on the valve member, which via the adjusting unit is at least indirectly rotationally movable, wherein the at least one control opening is arranged in such a way to the two passage openings that fluid mass flows through the passage openings are optionally independent or dependent on each other controllable.
  • Such an embodiment makes it possible to ensure continuous controllability with only a single valve member.
  • the construction of the two-way valve device is extremely simple and space-saving. Thus, cost and weight advantages can be achieved.
  • the at least one control opening of the valve member which is designed substantially as a valve plate, extends in the circumferential direction over an angular range which is substantially equal to the angular range which is spanned by the center axes of the valve plate extending central axes of the two passage openings ,
  • it is possible to change both mass flows thus the mass flow through the first inlet or outlet channel and the second inlet or outlet channel depending on each other, the total mass flow remains constant.
  • the exhaust gas area with cooler or bypass duct it would thus be possible to drive at a constant mass flow different temperatures. At the same time a mass flow change is possible at the same temperature.
  • control opening of the at least one valve disk extends in the circumferential direction over an angular range which is substantially equal to the angular range, which is spanned by a connection of the two facing away outer edges of the passage openings with the center of the valve plate.
  • a temperature control is possible depending on the temperature-changing mass flow, since at constant opening of one of the two first and second inlet and outlet channels simultaneously the other remains controllable.
  • the valve disk has a first control opening, which extends in the circumferential direction over an angular range which is substantially equal to the angular range which is spanned by the center axes of the valve plates extending central axes of the two passage openings, a second control port, each extending in the circumferential direction over an angular range, which is substantially equal to the angular range, which is spanned by a compound of the two facing away from each other outer edges of the passage openings with the center of the valve plate and between the two control openings substantially equal, closed surfaces.
  • the passage openings extend in the circumferential direction over an angular range of 45 °
  • the first control surface of the valve disk extends in the circumferential direction over an angular range of 50 °
  • the second control opening of the valve disk over an angular range of 95 ° and the two closed surfaces of the valve disk extend in the circumferential direction in each case over an angular range of 107.5 °.
  • valve seats are formed at the passage openings, which are designed as scraping edges facing the valve disk, and surround the respective ends of the first and the second inlet or outlet channel.
  • scraping edges as valve seats have the advantage that, for example, when used in the field of exhaust gas recirculation despite the temperatures occurring and any soot particles present, these contaminants are sheared off by the scraping edges and the relative rotation of valve disk and valve plate relative to each other, so that the valve is insensitive to dirt.
  • the controllable two-way valve device is arranged in an exhaust gas recirculation line, wherein the first inlet or outlet channel is fluidly connected to an exhaust gas cooler, the second inlet or outlet channel is fluidly connected to a bypass channel bypassing the exhaust gas cooler and the third outlet or inlet channel is connected to an air intake duct system or an exhaust manifold. Accordingly, the arrangement of the valve device takes place in the exhaust stream either before or after the exhaust gas cooler and the bypass line. Due to the large number of options for regulating such a two-way valve is particularly suitable to be used in this area.
  • a two-way valve device which combines with only one valve member a variety of control functions in itself, is dirt-resistant and has a long service life with a small size.
  • the two-way valve device 1 shown in Figure 1 is designed as a rotary valve and has a multi-part housing 2, in which three channels 3, 4, 5 are arranged.
  • the first channel 3 can be arranged, for example behind an exhaust gas cooler and thus serve as an inlet channel for the rotary valve 1.
  • the second channel 4 can surround with a the exhaust gas cooler Bypass channel be connected and also serve as an inlet channel.
  • the channel 5 would in this case be connected to a leading to an air intake duct exhaust channel.
  • the third channel 5 as an inlet channel and to connect this with an exhaust manifold.
  • the two channels 3, 4 then serving as outlet channel would accordingly form the connections to an exhaust gas cooler and a bypass channel bypassing the exhaust gas cooler.
  • valve plate 6 which has to the channels 3, 4 corresponding passage openings 7, 8, which can be square, round, elliptical, etc. executed.
  • the passage openings 7, 8 are each surrounded by narrow webs, which serve as valve seats or scraping edges 9.
  • valve seats 9 corresponds to a valve member 10, which is designed as a valve plate.
  • This valve disk 10 is rotatably moved by a driver 11 which is rotatably connected to the valve disk 10 and also at least rotationally fixed to a rotational axis 12, upon rotation of the axis of rotation. The movement is transmitted via the axis of rotation 12, a coupling member 13, which establishes a connection between the axis of rotation 12 and a shaft 14 and the shaft 14, which is part of an actuating unit 15, which is preferably operated by an electric motor.
  • a spring 16 is arranged in the housing 2, via which an axial force is transmitted to the axis of rotation 12.
  • the valve member or the valve disk 10 has one or more control openings 17, 18, via which a fluidic connection of one or both of the inlet channels 3, 4 to the outlet channel 5 can be produced.
  • the mass flow can be changed by rotation of the valve disk 10 on the valve plate 6 according to the thereby opened cross-section.
  • FIG. 2 A preferred example of an embodiment of a valve plate 6 to a valve plate 10 is shown in Figure 2, wherein Figure 2 a shows a plan view of the valve plate 6 and Figure 2b shows a plan view of the valve disk 10.
  • Figure c to f are different by way of example Rotary positions of the valve member 10 to the valve plate 6 for ease of description of the functions shown.
  • the Passage openings 7, 8 which are made round in the present embodiment, each having a center M of the valve plate reaching center axes. An angle range ⁇ is formed by these center axes.
  • an angular range ⁇ is enclosed by the mutually remote outer edges of these passage openings 7, 8.
  • the passage openings 7, 8 are arranged to each other such that the closed angle range between the two passage openings is about 5 °, while extending through the center M of the valve plate 6 extensions of the outer edges of the two passage openings 7 and 8 each have an angle of 45 ° include. Accordingly, the angle range ⁇ is about 50 ° and the angular range ⁇ 95 °.
  • FIG b the corresponding corresponding control openings 17, 18 of the valve disk are shown.
  • the first control opening 17 in turn extends over the angular range ⁇ of 50 °
  • the second control opening 18 in turn extends over the angular range ⁇ of 95 °.
  • Between the control openings 17, 18 are each closed surfaces 19, 20 each extending over an angular range ⁇ of about 107.5 °.
  • control openings 17, 18 The interaction of the control openings 17, 18 with the passage openings 7, 8 is illustrated by the figures c to f.
  • FIG. D shows a position in which, for example, no exhaust gas recirculation is desired, and thus both passage openings 7, 8 are closed by one of the surfaces 19, 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Sliding Valves (AREA)
EP05013906A 2004-08-19 2005-06-28 Dispositif à soupape à deux voies réglable pour moteur à combustion interne Expired - Lifetime EP1630403B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004040221A DE102004040221B4 (de) 2004-08-19 2004-08-19 Regelbare Zwei-Wege-Ventilvorrichtung für eine Verbrennungskraftmaschine

Publications (2)

Publication Number Publication Date
EP1630403A1 true EP1630403A1 (fr) 2006-03-01
EP1630403B1 EP1630403B1 (fr) 2007-01-10

Family

ID=34937692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05013906A Expired - Lifetime EP1630403B1 (fr) 2004-08-19 2005-06-28 Dispositif à soupape à deux voies réglable pour moteur à combustion interne

Country Status (4)

Country Link
US (1) US7213587B2 (fr)
EP (1) EP1630403B1 (fr)
DE (2) DE102004040221B4 (fr)
ES (1) ES2280065T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007064949A1 (fr) * 2005-12-02 2007-06-07 Borgwarner Inc. Soupape de recirculation des gaz d'échappement et passage de contournement de refroidisseur combinés
US7661415B2 (en) * 2004-09-28 2010-02-16 T.Rad Co., Ltd. EGR cooler
US7669645B2 (en) 2004-09-28 2010-03-02 T. Rad Co., Ltd. Heat exchanger

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7417331B2 (en) * 2006-05-08 2008-08-26 Towertech Research Group, Inc. Combustion engine driven electric generator apparatus
EP2047072A4 (fr) * 2006-08-04 2011-11-23 Borgwarner Inc Soupape multifonction pour utilisation dans un système de pompage des gaz d'échappement
JP5981341B2 (ja) * 2009-09-14 2016-08-31 ネステク ソシエテ アノニム ホイルシールと貫通手段を伴う包装体
WO2011058504A1 (fr) * 2009-11-10 2011-05-19 University Of Kwazulu-Natal Dispositif de commande d'écoulement
RU2445473C2 (ru) * 2010-03-25 2012-03-20 Публичное акционерное общество "Волчанский агрегатный завод" (ПАО "ВАЗ") Распределитель
US9657464B2 (en) * 2010-05-25 2017-05-23 Kerry Dunki-Jacobs Flow control system
GB2528954B (en) * 2014-08-07 2017-05-24 Clyde Process Ltd Adjustable multi-hole orifice plate in a pneumatic conveying apparatus
DE102015004035A1 (de) 2015-03-27 2016-09-29 Daimler Ag Drehschieberventil für eine Abgasrückführeinrichtung
JP5997810B1 (ja) * 2015-06-30 2016-09-28 本田技研工業株式会社 エンジンの吸気構造
FR3072753B1 (fr) * 2017-10-19 2019-11-29 Renault S.A.S. Vanne pour un circuit de fluide, notamment un circuit de recirculation des gaz d'echappement d'un moteur
DE102018204903B4 (de) * 2018-03-29 2020-10-08 Vitesco Technologies GmbH Vorrichtung zur Nachbehandlung von Abgasen
CN115717561A (zh) * 2018-09-28 2023-02-28 康明斯排放处理公司 用于动态控制过滤效率和燃料经济性的系统和方法
US11352986B2 (en) * 2020-10-19 2022-06-07 Ford Global Technologies, Llc Systems and methods for a valve in a dual-core EGR cooler
DE102021204093A1 (de) * 2021-04-23 2022-10-27 Mack & Schneider Gmbh Ventileinrichtung mit Niederhalter

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE2232705A1 (de) * 1972-07-04 1974-01-24 Daimler Benz Ag Vorrichtung zur zufuehrung von abgas zum brennstoff-luft-gemisch einer brennkraftmaschine
DE19812702A1 (de) 1998-03-23 1999-09-30 Volkswagen Ag Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes
DE19932313A1 (de) * 1999-07-10 2001-01-18 Daimler Chrysler Ag Steuervorrichtung für den Kühl- und Heizungskreislauf einer Brennkraftmaschine
DE10025877A1 (de) 2000-05-25 2001-12-20 Siebe Automotive Deutschland Gmbh Abgasrückführsystem
US6378509B1 (en) * 2000-06-13 2002-04-30 Caterpillar Inc. Exhaust gas recirculation system having multifunction valve
DE10101412A1 (de) 2001-01-13 2002-07-18 Pierburg Ag Abgasrückführeinrichtung für eine Brennkraftmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406905B (de) * 1997-01-13 2000-10-25 Vaillant Gmbh Umlaufwasserheizer
US5740785A (en) * 1997-06-09 1998-04-21 Southwest Research Institute Two way-high pressure loop, exhaust gas recirculation valve
US5950576A (en) * 1998-06-30 1999-09-14 Siemens Canada Limited Proportional coolant valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232705A1 (de) * 1972-07-04 1974-01-24 Daimler Benz Ag Vorrichtung zur zufuehrung von abgas zum brennstoff-luft-gemisch einer brennkraftmaschine
DE19812702A1 (de) 1998-03-23 1999-09-30 Volkswagen Ag Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes
DE19932313A1 (de) * 1999-07-10 2001-01-18 Daimler Chrysler Ag Steuervorrichtung für den Kühl- und Heizungskreislauf einer Brennkraftmaschine
DE10025877A1 (de) 2000-05-25 2001-12-20 Siebe Automotive Deutschland Gmbh Abgasrückführsystem
US6378509B1 (en) * 2000-06-13 2002-04-30 Caterpillar Inc. Exhaust gas recirculation system having multifunction valve
DE10101412A1 (de) 2001-01-13 2002-07-18 Pierburg Ag Abgasrückführeinrichtung für eine Brennkraftmaschine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7661415B2 (en) * 2004-09-28 2010-02-16 T.Rad Co., Ltd. EGR cooler
US7669645B2 (en) 2004-09-28 2010-03-02 T. Rad Co., Ltd. Heat exchanger
US7694728B2 (en) 2004-09-28 2010-04-13 T. Rad Co., Ltd. Heat exchanger
US7854255B2 (en) 2004-09-28 2010-12-21 T. Rad Co., Ltd. Heat exchanger
WO2007064949A1 (fr) * 2005-12-02 2007-06-07 Borgwarner Inc. Soupape de recirculation des gaz d'échappement et passage de contournement de refroidisseur combinés
US7621128B2 (en) 2005-12-02 2009-11-24 Borgwarner Inc. Combined EGR valve and cooler by-pass

Also Published As

Publication number Publication date
DE502005000303D1 (de) 2007-02-22
DE102004040221B4 (de) 2009-01-08
US7213587B2 (en) 2007-05-08
DE102004040221A1 (de) 2006-03-09
ES2280065T3 (es) 2007-09-01
EP1630403B1 (fr) 2007-01-10
US20060037594A1 (en) 2006-02-23

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