EP2592258B2 - Soupape de recyclage de gaz d'échappement - Google Patents

Soupape de recyclage de gaz d'échappement Download PDF

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Publication number
EP2592258B2
EP2592258B2 EP11188203.1A EP11188203A EP2592258B2 EP 2592258 B2 EP2592258 B2 EP 2592258B2 EP 11188203 A EP11188203 A EP 11188203A EP 2592258 B2 EP2592258 B2 EP 2592258B2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
fresh air
gas recirculation
valve element
valve
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.)
Active
Application number
EP11188203.1A
Other languages
German (de)
English (en)
Other versions
EP2592258B1 (fr
EP2592258A1 (fr
Inventor
Bernhard Klipfel
Christoph Thiery
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
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Application filed by Cooper Standard Automotive Deutschland GmbH filed Critical Cooper Standard Automotive Deutschland GmbH
Priority to ES11188203.1T priority Critical patent/ES2499543T5/es
Priority to PT111882031T priority patent/PT2592258E/pt
Priority to EP11188203.1A priority patent/EP2592258B2/fr
Publication of EP2592258A1 publication Critical patent/EP2592258A1/fr
Publication of EP2592258B1 publication Critical patent/EP2592258B1/fr
Application granted granted Critical
Publication of EP2592258B2 publication Critical patent/EP2592258B2/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1005—Details of the flap
    • F02D9/1025—Details of the flap the rotation axis of the flap being off-set from the flap center axis
    • F02D9/103—Details of the flap the rotation axis of the flap being off-set from the flap center axis the rotation axis being located at an edge
    • 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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system
    • 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

Definitions

  • the invention relates to an exhaust gas recirculation valve.
  • the invention has for its object to provide an exhaust gas recirculation valve with which a reliable exhaust gas recirculation can be carried out even at low exhaust pressure.
  • this is designed as a 3-way valve, that by a single valve element, an exhaust gas flow shut off and, for example, in an alternative mode, a fresh air flow is at least throttled.
  • the exhaust gas recirculation line and the fresh air line form the upstream side of the 3-way valve, and the line for the fresh air mixed with the recirculated exhaust gas forms the downstream side.
  • the valve according to the invention fulfills the function of an exhaust gas recirculation valve in that the exhaust gas flow can be shut off, and can be regulated to a certain extent by a suitable adjustment of the valve element in the region of the exhaust gas recirculation line.
  • the single valve element in particular with the exhaust gas recirculation line completely open, serves to throttle the fresh air flow in an advantageous manner, so that a pressure gradient results, and the pressure of the fresh air in the region of the valve decreases.
  • the recirculated exhaust gas is, so to speak, "facilitated", even with a slight pressure difference with respect to the outflow side, in order to mix with the fresh air. Consequently, even under these circumstances, a reliable recycling of exhaust gas can take place.
  • the invention is based on the finding that the exhaust gas pressure and the flow through the exhaust gas recirculation valve no longer appreciably increase from a certain opening angle, with a flap valve at about 60 ° to 70 °. Therefore, according to the invention, the measures mentioned are taken in the fresh air line in order to increase the recirculated exhaust gas flow.
  • the desired effect can thus be achieved on the fresh air side, that in the fresh air line, viewed in the flow direction of the fresh air, a throttle member is provided before mixing with the recirculated exhaust gas.
  • the "cold" side throttling the fresh air flow before the confluence of the exhaust gas recirculation line causes a pressure drop in the fresh air line to the throttle point. Due to the lower pressure present at the confluence, more exhaust gas can flow in from the exhaust gas recirculation line.
  • the desired effect of an amplified exhaust gas recirculation flow can thus be achieved.
  • these favorable effects can be achieved in an efficient manner, since a single valve element and accordingly a single actuator, namely that of the Exhaust gas recirculation valve, also provides for the throttling on the fresh air side.
  • the valve element is designed so that thereby the fresh air flow is shut off.
  • it has proven to be advantageous to provide the exhaust gas recirculation line with a smaller flow cross section than the fresh air line.
  • valve element according to the invention can be realized in a particularly simple manner by virtue of this being a pivotable flap.
  • the exhaust gas recirculation line has a smaller flow cross section than the fresh air line.
  • an electric or a vacuum actuator is currently preferred.
  • Fig. 1 is a sectional view of the invention, designed as a 3-way valve exhaust gas recirculation valve 10 can be seen, which essentially connects an exhaust gas recirculation line 16 and a fresh air line 18 with a line 20, which forwards the mixture of recirculated exhaust gas and fresh air.
  • the exhaust gas recirculation 16 and the fresh air line 18 supply lines, which are arranged in the example shown at an acute angle to each other.
  • between the two supply lines 16, 18 further comprises the pivot axis 14 for a designed in the form of a hinged flap valve element 12.
  • the pivot axis 14 extends in other words perpendicular to the plane and allows, as in Fig.
  • valve element 12 itself is essentially plate-shaped or plate-shaped and is mounted in the example shown by means of a screw 22 attached to a pivot axis tab 24 so over an example spherical contour that the valve element 12 can tilt at least to a small extent with respect to the axis of the screw 22. This makes it possible for the valve element 12 to bear against the entire circumference of the opening of the exhaust gas recirculation line 16 directed to the line 20, even in the case of unavoidable production or manufacturing tolerances.
  • valve element it is further possible by a further rotation of the valve element counterclockwise in a position substantially perpendicular to the central axis of the fresh air line 18, to shut off the fresh air flow substantially completely.
  • a stop 26 is provided for this position.
  • other positions of the valve element are mentioned as extending substantially in the direction of the central axis of the conduit 20, so that both the recirculated exhaust gas and the supplied fresh air flow are similarly throttled.
  • valve element 12 may extend substantially parallel to the central axis of the fresh air line 18 and thus substantially in alignment with the left boundary of the fresh air line 18 in the figures, so that the fresh air flow is not, however, the recirculated exhaust gas flow is significantly throttled. Furthermore, any intermediate positions are conceivable.

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)
  • Lift Valve (AREA)

Claims (3)

  1. Soupape de recirculation de gaz d'échappement (10) qui est configurée comme soupape à 3 voies de telle sorte que par un seul élément de soupape (12) un flux de gaz d'échappement peut être obturé et un flux d'air frais peut au moins être restreint, le flux d'air frais pouvant être en outre obturé par l'élément de soupape (12) caractérisée en ce que la conduite de recirculation de gaz d'échappement (16) présente une section d'écoulement plus petite que la conduite d'air frais (18), et en ce que pour la position obturant complètement le flux d'air frais, dans laquelle l'élément de soupape est substantiellement positionné verticalement par rapport à l'axe du milieu de la conduite d'air frais, une butée (26) est prévue dans la zone d'un axe de pivotement (14) de l'élément de soupape (12).
  2. Soupape de recirculation de gaz d'échappement selon la revendication 1 caractérisée en ce que l'élément de soupape (12) est un clapet pivotant.
  3. Soupape de recirculation de gaz d'échappement selon la revendication 2 caractérisée en ce qu'un axe de pivotement (14) de l'élément de soupape (12) est agencé entre une conduite de recirculation de gaz d'échappement et une conduite d'air frais (18).
EP11188203.1A 2011-11-08 2011-11-08 Soupape de recyclage de gaz d'échappement Active EP2592258B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES11188203.1T ES2499543T5 (es) 2011-11-08 2011-11-08 Válvula de recirculación de gases de escape
PT111882031T PT2592258E (pt) 2011-11-08 2011-11-08 Válvula de recirculação de gás de escape
EP11188203.1A EP2592258B2 (fr) 2011-11-08 2011-11-08 Soupape de recyclage de gaz d'échappement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11188203.1A EP2592258B2 (fr) 2011-11-08 2011-11-08 Soupape de recyclage de gaz d'échappement

Publications (3)

Publication Number Publication Date
EP2592258A1 EP2592258A1 (fr) 2013-05-15
EP2592258B1 EP2592258B1 (fr) 2014-06-18
EP2592258B2 true EP2592258B2 (fr) 2017-12-06

Family

ID=45047595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11188203.1A Active EP2592258B2 (fr) 2011-11-08 2011-11-08 Soupape de recyclage de gaz d'échappement

Country Status (3)

Country Link
EP (1) EP2592258B2 (fr)
ES (1) ES2499543T5 (fr)
PT (1) PT2592258E (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015110984B4 (de) * 2015-07-07 2019-05-29 Pierburg Gmbh Drei-Wege-Abgasrückführungs-Ventilanordnung mit drei Fluidöffnungen für eine Abgasrückführung
US10934945B2 (en) * 2016-08-24 2021-03-02 Ford Global Technologies, Llc Internal combustion engine with compressor, exhaust-gas recirculation arrangement and pivotable flap
DE102017109062A1 (de) * 2017-04-27 2018-10-31 Ford-Werke Gmbh Regelvorrichtung für eine Verbrennungskraftmaschine
DE102017004324A1 (de) * 2017-05-04 2018-11-08 Helmut Seitz Kombinierte Luft - Einlaß - Auslaßvorrichtung
US20180320640A1 (en) * 2017-05-08 2018-11-08 GM Global Technology Operations LLC Long-route egr system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1830652U (de) † 1960-08-03 1961-05-04 Mann & Hummel Filter Ansaugluftfilter fuer brennkraftmaschinen.
DE2851180A1 (de) † 1978-09-13 1980-03-27 Toyota Motor Co Ltd Ventilanordnung fuer das abgasrezirkulierungssystem einer dieselmaschine
AT3762U1 (de) † 1998-10-22 2000-07-25 Avl List Gmbh Brennkraftmaschine mit einem einlasssystem
EP1170534A2 (fr) † 2000-06-27 2002-01-09 Siemens Automotive Inc. Soupape de commande pour piles à combustible
DE10216537B3 (de) † 2002-04-15 2004-02-05 Visteon Global Technologies, Inc., Dearborn Umsteuervorrichtung für strömende Medien, insbesondere Weichenventil für die Abgase einer Verbrennungskraftmaschine
DE102007050255A1 (de) † 2007-10-20 2009-04-23 Deutz Ag Verstellbare Y-AGR-Einleitung
US20090126351A1 (en) † 2007-11-19 2009-05-21 Noriyoshi Sasaki Exhaust system of internal combustion engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703687A1 (de) * 1977-01-29 1978-08-03 Bosch Gmbh Robert Vorrichtung fuer die steuerung zusaetzlicher gaszufuehrmengen in das saugrohr einer brennkraftmaschine
JPS5540211A (en) * 1978-09-13 1980-03-21 Toyota Motor Corp Exhaust gas recirculating control valve for diesel engine
US6928994B2 (en) * 2001-11-08 2005-08-16 Siemens Vdo Automotive, Inc. Modular exhaust gas recirculation assembly
DE10244799B4 (de) * 2002-09-26 2005-04-21 Daimlerchrysler Ag Abgasrückführung
DE102004044894A1 (de) * 2004-09-14 2006-03-30 Volkswagen Ag Mischeinrichtung und Abgasrückführeinrichtung mit einer Mischeinrichtung
JP4592108B2 (ja) * 2008-05-14 2010-12-01 株式会社日本自動車部品総合研究所 内燃機関の吸気装置
IT1396027B1 (it) * 2009-10-19 2012-11-09 Dellorto Spa Valvola egr per applicazioni di tipo low pressure, nella tecnica del ricircolo controllato di gas combusti in motori a combustione interna.
DE102009057497B4 (de) * 2009-12-10 2018-06-14 Pierburg Gmbh Klappenventil zur Einleitung und Steuerung eines Frischluftstromes und eines Abgasrückführstromes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1830652U (de) † 1960-08-03 1961-05-04 Mann & Hummel Filter Ansaugluftfilter fuer brennkraftmaschinen.
DE2851180A1 (de) † 1978-09-13 1980-03-27 Toyota Motor Co Ltd Ventilanordnung fuer das abgasrezirkulierungssystem einer dieselmaschine
AT3762U1 (de) † 1998-10-22 2000-07-25 Avl List Gmbh Brennkraftmaschine mit einem einlasssystem
EP1170534A2 (fr) † 2000-06-27 2002-01-09 Siemens Automotive Inc. Soupape de commande pour piles à combustible
DE10216537B3 (de) † 2002-04-15 2004-02-05 Visteon Global Technologies, Inc., Dearborn Umsteuervorrichtung für strömende Medien, insbesondere Weichenventil für die Abgase einer Verbrennungskraftmaschine
DE102007050255A1 (de) † 2007-10-20 2009-04-23 Deutz Ag Verstellbare Y-AGR-Einleitung
US20090126351A1 (en) † 2007-11-19 2009-05-21 Noriyoshi Sasaki Exhaust system of internal combustion engine

Also Published As

Publication number Publication date
ES2499543T5 (es) 2018-05-30
EP2592258B1 (fr) 2014-06-18
PT2592258E (pt) 2014-07-15
EP2592258A1 (fr) 2013-05-15
ES2499543T3 (es) 2014-09-29

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