EP2245349B1 - Zweiklappendreiwegeventil - Google Patents

Zweiklappendreiwegeventil Download PDF

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Publication number
EP2245349B1
EP2245349B1 EP20080873011 EP08873011A EP2245349B1 EP 2245349 B1 EP2245349 B1 EP 2245349B1 EP 20080873011 EP20080873011 EP 20080873011 EP 08873011 A EP08873011 A EP 08873011A EP 2245349 B1 EP2245349 B1 EP 2245349B1
Authority
EP
European Patent Office
Prior art keywords
way valve
flaps
flap
egr
valve according
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.)
Not-in-force
Application number
EP20080873011
Other languages
English (en)
French (fr)
Other versions
EP2245349A1 (de
Inventor
Samuel Leroux
Laurent Albert
Sébastien Adenot
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.)
Valeo Systemes de Controle Moteur SAS
Original Assignee
Valeo Systemes de Controle Moteur SAS
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 Valeo Systemes de Controle Moteur SAS filed Critical Valeo Systemes de Controle Moteur SAS
Priority to PL08873011T priority Critical patent/PL2245349T3/pl
Publication of EP2245349A1 publication Critical patent/EP2245349A1/de
Application granted granted Critical
Publication of EP2245349B1 publication Critical patent/EP2245349B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M26/51—EGR valves combined with other devices, e.g. with intake valves or compressors
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
    • 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
    • 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
    • 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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/64—Systems for actuating EGR valves the EGR valve being operated together with an intake air throttle
    • 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
    • F02M26/71—Multi-way 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86847—Pivoted valve unit
    • Y10T137/86855—Gate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87096—Valves with separate, correlated, actuators
    • Y10T137/87113—Interlocked
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19023—Plural power paths to and/or from gearing
    • Y10T74/19074—Single drive plural driven
    • Y10T74/19079—Parallel
    • Y10T74/19084—Spur

Definitions

  • the invention relates to a three-way valve with two flaps and this invention arises from an EGR loop problem of an internal combustion engine of a motor vehicle, comprising, with reference to the figure 7 in the appendix, the engine 21, an exhaust manifold 22 for the combustion gases, a turbine 25 for a turbo-compressor 24, the exhaust gas recirculation loop (EGR) 28, with a cooler 29 and the three-way valve 30 low pressure disposed upstream of the compressor 26 of the turbo-compressor 24 and connected to it by its output and having two inputs for receiving fresh air and the cooled exhaust gas, a mixture whose pressure is increased in the compressor 26, and an intake manifold 23 of the engine for receiving the exhaust gas and the compressor air.
  • EGR exhaust gas recirculation loop
  • the three-way valve could also be arranged on the cold side of the engine, with an inlet downstream of the compressor of the turbo-compressor, and two outputs respectively connected to the exhaust and the cooler of the EGR loop.
  • the EGR loop aims to reduce the emission of nitrogen dioxide, by reducing the combustion temperature, by slowing down the combustion of the combustion mixture and absorbing part of the calories.
  • the cooler of the EGR loop makes it possible to lower the combustion temperature at high speed (high load).
  • the invention of the present concerns first, but not exclusively, a tri-way valve with two flaps to be able to use the EGR loop as defined above and which is of a good price and a footprint as small as possible .
  • the Applicant does not intend to limit the application of the valve of the invention to the use developed above of the EGR loop and therefore his invention will generally concern any three-way valve two shutters that must be operated with a temporal phase shift.
  • the two flaps are arranged in the two input channels of the valve, in the other, in the two output channels.
  • the invention relates to a three-way valve with two flaps respectively arranged in two of the three channels of the valve comprising means for controlling and actuating the flaps to cause them to pivot from one to the other of two positions. opening and closing of the tracks, characterized in that there are provided single control means for the two flaps and actuating means arranged to be controlled by the single control means and to actuate the two flaps with a temporal phase shift.
  • the flaps are arranged in its two inlet channels, the valve then being a cold-side EGR loop valve, connected to the intake manifold of a combustion engine. internal combustion of a motor vehicle.
  • the EGR valve 1 of Figures 1a, 1b, 1c schematically, comprises an air inlet 2, a recirculated exhaust gas inlet 3 and an air and gas outlet 4.
  • the valve 1 is here a two-part valve, a flap 5 in the air inlet duct 2 and a flap 6 in the gas inlet duct 3.
  • the air flap 5 is in an angular position (0 °) allowing a maximum air flow in the track 2 and the arrival flap of the gases 6, in an angular position (90 °) shutting off way 3.
  • the gas inlet flap 6 begins to pivot to progressively open the track 3 to the exhaust gas EGR ( figure 1a ). This is the zone 1 of the curves 2. Then, the air flap 5 remaining in the same position of maximum opening of the air inlet 3, the flap of the gas 6 pivots to considerably open the way of gas 6 ( figure 1b ). This is the zone II of the curves 2.
  • This zone III extends until the gas flap 6 reaches the angular position 0 ° maximum opening of the gas inlet channel 3 and the air flap is in the angular position (90 °) shutting the air inlet 2.
  • this three-way valve has the kinematics which will now be described with reference to the Figures 3 to 5 .
  • the kinematics of the three-way valve 1 comprises a gear extending, here, between a DC motor 7 and two shafts 51, 61 for rotating the air flap 5 and the gas flap 6, respectively.
  • the two shafts 51, 61 extend parallel to each other.
  • the shaft 14 of the motor 7 is secured to a pinion 8 for driving an intermediate toothed wheel 9 bearing a peripheral toothing 10 and a central toothing 11.
  • the peripheral toothing 10 of the intermediate wheel meshes with a ring gear 12 for rotating the air flap 5.
  • the ring gear 12 is free to rotate relative to the axis 51 of the flap 5.
  • the rotational drive this flap 5 by the ring 12 is via a drive finger 15 which is itself integral in rotation with the axis 51 of the flap 5.
  • This finger 15 is disposed at rest against an adjustable stop 16 integral with the body of the valve (not shown).
  • the ring 12 has an angular notch 17 adapted to allow the free rotation of the ring 12 on a defined angular sector, without driving the finger 15, that is to say the flap 5. It is when the ring 12 is driven in rotation beyond this angular sector, in one direction or the other, that the edge of the notch 17 then drives the finger 15.
  • the central toothing 11 of the intermediate wheel 9 meshes with a ring gear 13 driving in rotation of the flap of the gases 6:
  • the ring gear 13 is integral in rotation with the axis 61 of the flap 6.
  • the flap 6 is therefore rotated directly by the rotation of the ring 13, while the flap 5 is rotated only when the ring 12 rotates the finger 15.
  • the wheel 9, by its teeth 10, 11 drives, in the opposite direction of the needles, the two toothed rings 12, 13, which are thus rotated by the same intermediate wheel 9, but via two gear teeth 10, 11.
  • the gear ratio between the shaft 14 of the motor 7 and the flap of the gas 6 is here 15.67, the ratio between the shaft 14 and the air flap 5 when is driven being 6.67.
  • the Figures 3, 4 , and 5 show the crowns and toothed wheels at different stages of rotation of the pinion 8.
  • FIG. figure 6 An alternative embodiment of the phase shift mechanism is shown in FIG. figure 6 .
  • a cross member 50 with two radial arms 52, 53 is mounted on the shaft 51 of the flap 5.
  • Each of the arms 52, 53 comprises at its end a driving pin 54, 55, extending substantially parallel to the tree 51.
  • the ring gear 12 In the ring gear 12 are formed two circular lights 56, 57 for driving fingers 54, 55 in circular translation.
  • the fingers 54, 55 extend respectively in these two lights 56, 57.
  • the angular opening of the lights must be less than 180 °. If ⁇ g is the angle of rotation of the gas flap 6, ⁇ a , the angle of rotation of the air flap 5, the relation (1) must be satisfied. ⁇ boy Wut - ⁇ at ⁇ ⁇ boy Wut ⁇ at ⁇ 180
  • the circular lights 56, 57 are formed in the ring 12 relative to the toothed sector of the ring 12 taking into account the amplitude of the angular rotation of the gas flap 6 before the air flap 5 begins to rotate.
  • valve that has just been described is remarkable for its uniqueness of control, at the single level of the DC motor 7, which makes it a better price and a smaller footprint.
  • This control can be performed using an H bridge, well known to those skilled in the art, with two pairs of switches in series and the component to be controlled - here the motor - connected to the two midpoints of the two pairs of switches, the two pairs being connected between a battery voltage and ground.

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)
  • Mechanically-Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Multiple-Way Valves (AREA)

Claims (6)

  1. Dreiwegeventil (1) mit zwei Klappen (5, 6), die in zwei Entsprechenden von drei Wegen (2, 3) des Ventils angeordnet sind, und mit Mitteln (7-12) zum Steuern und Betätigen der Klappen (5, 6), um sie schwenkend aus einer in die andere von zwei Öffnungs- bzw. Schließpositionen der Wege (2, 3) anzutreiben, dadurch gekennzeichnet, dass einzige Steuermittel (7) für die zwei Klappen (5, 6) und Betätigungsmittel (9-12), die dafür ausgelegt sind, durch die einzigen Steuermittel (7, 8) gesteuert zu werden und die zwei Klappen (5, 6) mit zeitlicher Phasenverschiebung in der Weise zu betätigen, dass unter fortgesetztem Schwenken der zweiten Klappe (6) begonnen wird, die erste Klappe (5) zu schwenken, um den entsprechenden Weg (2) zu schließen, vorgesehen sind.
  2. Dreiwegeventil nach Anspruch 1, wobei die Steuermittel einen Gleichstrommotor (7) umfassen.
  3. Dreiwegeventil nach Anspruch 2, wobei die Betätigungsmittel eine Getriebekinematik (9-12) umfassen, in die ein Ritzel (8) der Welle des Steuermotors (7) eingreift und die mit einem zylindrischen Zwischenzahnrad (9) mit zwei koaxialen Zahnungen (10, 11) in Eingriff ist.
  4. Dreiwegeventil nach Anspruch 1, wobei das Zwischenrad (9) mit zwei Zahnkränzen (12, 13) zusammenwirkt, die drehfest mit den zwei Klappen (5, 6) verbunden sind.
  5. Dreiwegeventil nach einem der Ansprüche 1 bis 4, wobei die Klappen (5, 6) in seinen zwei Einlasswegen (2, 3) angeordnet sind, wobei das Ventil dann ein AGR-Schleifenventil auf der kalten Seite ist, das mit dem Einlasssammler einer Brennkraftmaschine eines Kraftfahrzeugs verbunden ist.
  6. Dreiwegeventil nach Anspruch 5, wobei die zeitliche Phasenverschiebung, die von den Betätigungsmitteln verwendet wird, vorgesehen ist, um zu vermeiden, dass der AGR-Gasdurchfluss weiter ansteigt und somit die Maschine gezwungen ist, um so mehr AGR-Gas anzusaugen.
EP20080873011 2008-01-03 2008-12-18 Zweiklappendreiwegeventil Not-in-force EP2245349B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08873011T PL2245349T3 (pl) 2008-01-03 2008-12-18 Zawór trójdrożny z dwiema klapami

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0800026A FR2926114B1 (fr) 2008-01-03 2008-01-03 Boucle egr d'un moteur a combustion interne d'un vehicule automobile
PCT/FR2008/001781 WO2009106727A1 (fr) 2008-01-03 2008-12-18 Vanne trois voies à deux volets

Publications (2)

Publication Number Publication Date
EP2245349A1 EP2245349A1 (de) 2010-11-03
EP2245349B1 true EP2245349B1 (de) 2014-01-15

Family

ID=39705176

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08872752.4A Active EP2240679B1 (de) 2008-01-03 2008-12-18 Agr-kreislauf einer verbrennungskraftmaschine für ein kraftfahrzeug
EP20080873011 Not-in-force EP2245349B1 (de) 2008-01-03 2008-12-18 Zweiklappendreiwegeventil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08872752.4A Active EP2240679B1 (de) 2008-01-03 2008-12-18 Agr-kreislauf einer verbrennungskraftmaschine für ein kraftfahrzeug

Country Status (8)

Country Link
US (2) US8381520B2 (de)
EP (2) EP2240679B1 (de)
JP (2) JP2011508861A (de)
KR (3) KR20150040311A (de)
ES (1) ES2458316T3 (de)
FR (1) FR2926114B1 (de)
PL (1) PL2245349T3 (de)
WO (2) WO2009106726A1 (de)

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EP2884086B1 (de) * 2013-12-11 2017-12-20 Borgwarner Inc. Aktuator mit Ventilrücksteller
KR101444193B1 (ko) * 2014-03-05 2014-09-26 주식회사 디에이치콘트롤스 3방향 제어 밸브
JP6223273B2 (ja) * 2014-04-30 2017-11-01 日本電産サンキョー株式会社 ダンパ装置
DE102015106888B4 (de) 2014-09-30 2022-01-27 Hyundai Motor Company Ansaugluftsteuerungsvorrichtung eines Verbrennungsmotors
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Publication number Publication date
US8381520B2 (en) 2013-02-26
WO2009106727A1 (fr) 2009-09-03
FR2926114A1 (fr) 2009-07-10
KR20100116181A (ko) 2010-10-29
EP2245349A1 (de) 2010-11-03
JP2011508861A (ja) 2011-03-17
KR20100107494A (ko) 2010-10-05
FR2926114B1 (fr) 2012-12-14
KR101646278B1 (ko) 2016-08-05
WO2009106726A1 (fr) 2009-09-03
KR20150040311A (ko) 2015-04-14
US20110048004A1 (en) 2011-03-03
EP2240679A1 (de) 2010-10-20
PL2245349T3 (pl) 2014-06-30
JP2011508850A (ja) 2011-03-17
ES2458316T3 (es) 2014-04-30
US20110114211A1 (en) 2011-05-19
EP2240679B1 (de) 2018-03-14
US8561645B2 (en) 2013-10-22

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