EP3387245A1 - Dispositif de régulation pour un moteur à combustion interne - Google Patents

Dispositif de régulation pour un moteur à combustion interne

Info

Publication number
EP3387245A1
EP3387245A1 EP16795065.8A EP16795065A EP3387245A1 EP 3387245 A1 EP3387245 A1 EP 3387245A1 EP 16795065 A EP16795065 A EP 16795065A EP 3387245 A1 EP3387245 A1 EP 3387245A1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
gas recirculation
internal combustion
combustion engine
intake passage
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
EP16795065.8A
Other languages
German (de)
English (en)
Other versions
EP3387245B1 (fr
Inventor
Dirk VIERKOTTEN
Maximilian Flender
Christian Vigild
Andreas Kuske
Franz Arnd Sommerhoff
Jörg Kemmerling
Helmut Kindl
Vanco Smiljanovski
Hanno Friederichs
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
Ford Werke GmbH
Original Assignee
Pierburg GmbH
Ford Werke 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
Application filed by Pierburg GmbH, Ford Werke GmbH filed Critical Pierburg GmbH
Publication of EP3387245A1 publication Critical patent/EP3387245A1/fr
Application granted granted Critical
Publication of EP3387245B1 publication Critical patent/EP3387245B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02D9/101—Special flap shapes, ribs, bores or the like
    • F02D9/1015—Details of the edge of the flap, e.g. for lowering flow noise or improving flow sealing in closed flap position
    • 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
    • F02D9/101—Special flap shapes, ribs, bores or the like
    • 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
    • F02M26/50—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
    • F02M26/64—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
    • F02M26/70—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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0276—Throttle and EGR-valve operated together

Definitions

  • the throttle flap is closed to the same extent when the exhaust gas recirculation valve is opened, which in addition to the increase in the free cross section of the exhaust gas recirculation channel also results in an increase in the pressure gradient in the exhaust gas recirculation channel, whereby the proportion of exhaust gas is increased compared to the intake air quantity ,
  • the guide ribs are preferably formed such that the exhaust gas stream can be introduced into a defined region of the intake duct. This may depend on the training and subsequent channel guides. Depending on the combustion engine, either a good mixing, a layer flow, straight or swirl flows may be desired. Depending on the required flow, a corresponding position of the guide ribs can be formed to improve the engine performance.
  • a control device is provided with which both the air mass flow in the intake passage and the exhaust gas mass flow of the exhaust gas recirculation loop can be regulated, wherein at the same time the performance of a subsequent compressor for charging an internal combustion engine is optimized by improved flow guidance.
  • the flow guidance can be adapted by the guide ribs to the respective requirements of the internal combustion engine or to the existing required inflow conditions of the compressor used.
  • the mouth 14 of the exhaust gas recirculation passage 16 projects laterally into an opening 26 of the mixing housing 20 and is formed as a separate housing part.
  • the mixing housing 20 forms an extension of the intake passage 12, which in turn subsequently opens into the axial inlet of the compressor housing.
  • a shaft 28 is rotatably mounted about an axis of rotation 30, which can be actuated via an actuator 32.
  • the axis of rotation 30 of this shaft 28 is disposed perpendicular to the center axes of the intake passage 12 and the exhaust gas recirculation passage 16 and is located between the mouth 14 of the exhaust gas recirculation passage 16 at the upstream end of the exhaust gas recirculation passage 16 and the axial end of the intake housing 18 at the exhaust gas recirculation passage 16 shrewd side.
  • the flow cross section of the intake housing 18 is smaller than that of the mixing housing 20, wherein the suction housing 18 is fixed to the mixing housing 20 so that a recess 34 formed downstream of the mouth 14 of the exhaust gas recirculation passage 16 is disposed in the flow shadow of the air flow from the suction housing 18, in which the shaft 28 penetrates the mixing housing 20 ,
  • these guide ribs 52 extend parallel to each other and perpendicular to the shaft 28. They are either cohesively connected to the flap 38 or made in one piece with this. If the control body 36 consisting of the flap 38, the guide ribs 52, the closing element 42 and the coupling element 40 is now in the position shown in FIG. 1, the exhaust gas flow is rectified and introduced into the air flow, so that a uniform, slowly running mixing without greater turbulence and consequent low pressure loss takes place. This low flow resistance causes a large amount of mixed gas to be supplied to the compressor via the compressor inlet, thereby increasing the power of the following internal combustion engine.
  • FIG. 2 c shows another possible embodiment of the guide ribs 52 on the surface 50.
  • the distance between these guide ribs 52 decreases with increasing distance from the shaft 28. This means that the guide ribs 52 have an inclination to one another.
  • the exhaust stream is concentrated centrally. Any other bundling to another location of the intake passage 12 would be conceivable with such a version, wherein the central introduction of the exhaust gas flow has the advantage that the hot and steam-transporting exhaust gas flow is introduced into an area in which it is not passed directly to the depending on the ambient conditions may cold walls 56 of the intake duct 12. Accordingly, an optionally occurring condensation of the water is significantly reduced, which in turn prevents damage to the blades of the compressor.
  • the guide ribs 52 are again formed perpendicular to the axis of rotation 30, but they are located on a concave in cross-section surface 58, which means that the exhaust stream is not passed directly into the air stream, but in the Mixed housing 20 creates a layer flow through which too rapid cooling of the exhaust gas stream can be prevented by mixing with an optionally cold air flow.
  • the described control device is thus suitable for the very exact metering of an exhaust gas mass flow into an air mass flow and for exact control of the air mass flow with only one actuator, the flows can be directed almost arbitrarily by the use of guide ribs on the second surface of the flap to the performance of To optimize internal combustion engine or the performance of a downstream compressor, without having to use further installations.
  • the exhaust gas stream can be rectified, bundled or acted upon by a corresponding arrangement of the ribs.
  • it can either be kept away from the airflow or be routed directly into it.
  • flow resistances or condensation of the exhaust gas can be influenced.
  • the scope of the present application is not limited to the embodiment described.
  • Various versions of the position of the guide ribs are also conceivable, as well as different shapes of the surfaces of the flap.

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)

Abstract

On connaît des dispositifs de régulation pour des moteurs à combustion interne, comprenant un canal d'admission (12), un canal de recirculation de gaz d'échappement (16) débouchant dans le canal d'admission (12), un carter (10) dans lequel sont formés le canal d'admission (12) et le canal de recirculation de gaz d'échappement (16), et un arbre (28) servant d'axe de rotation (30) sur lequel un corps de régulation (36) est monté de manière excentrée et qui est disposé perpendiculairement aux axes centraux du canal d'admission (12) et du canal de recirculation de gaz d'échappement (16). Dans une première position finale, dans laquelle le canal d'admission (12) est au moins restreint en amont d'un emplacement où débouche le canal de recirculation de gaz d'échappement (16), un vecteur normal à une première surface (44) du corps de régulation (36) est orienté vers le côté amont du canal d'admission (12) et, dans une deuxième position finale, dans laquelle le canal de recirculation de gaz d'échappement (16) est fermé, un vecteur normal à une deuxième surface (50) du corps de régulation (36) est orienté vers le canal de recirculation de gaz d'échappement (16). Les dispositifs de régulation connus présentent cependant un inconvénient : l'introduction des gaz d'échappement perturbe l'écoulement et entraîne ainsi une formation accrue de condensat et une augmentation de la résistance à l'écoulement. La solution apportée par l'invention pour résoudre ce problème réside dans le fait que des nervures de guidage (52), le long desquelles un flux de gaz d'échappement s'écoule dans le canal d'admission (12) lors de l'ouverture du canal de recirculation de gaz d'échappement (16), sont formées sur la deuxième surface (50).
EP16795065.8A 2015-12-11 2016-11-14 Dispositif de régulation pour un moteur à combustion interne Active EP3387245B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015121616.7A DE102015121616B4 (de) 2015-12-11 2015-12-11 Regelvorrichtung für eine Verbrennungskraftmaschine
PCT/EP2016/077571 WO2017097540A1 (fr) 2015-12-11 2016-11-14 Dispositif de régulation pour un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP3387245A1 true EP3387245A1 (fr) 2018-10-17
EP3387245B1 EP3387245B1 (fr) 2020-02-12

Family

ID=57288439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16795065.8A Active EP3387245B1 (fr) 2015-12-11 2016-11-14 Dispositif de régulation pour un moteur à combustion interne

Country Status (5)

Country Link
US (1) US10767570B2 (fr)
EP (1) EP3387245B1 (fr)
CN (1) CN108431394B (fr)
DE (1) DE102015121616B4 (fr)
WO (1) WO2017097540A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111094733B (zh) * 2017-08-15 2021-11-16 沃尔沃卡车集团 用于排气再循环管线的叶片阀
DE102019115633A1 (de) * 2019-06-07 2020-12-10 Elringklinger Ag Ventileinrichtung
DE102020112870B4 (de) * 2020-05-12 2022-03-24 Borgwarner Inc. Verdichtervorrichtung einer Aufladevorrichtung für eine Brennkraftmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19649713A1 (de) 1996-11-30 1998-06-04 Daimler Benz Ag Ansaugsystem einer Mehrzylinder-Brennkraftmaschine mit Abgasrückführung
JP2001098959A (ja) 1999-10-01 2001-04-10 Aisan Ind Co Ltd 内燃機関のスロットル制御装置
US6824119B2 (en) * 2001-08-30 2004-11-30 Visteon Global Technologies, Inc. Throttle plate having reduced air rush noise and method
JP2004132236A (ja) 2002-10-09 2004-04-30 Aisan Ind Co Ltd スロットル制御装置
JP4933082B2 (ja) 2005-11-04 2012-05-16 愛三工業株式会社 バタフライ弁
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
DE102012101851B4 (de) 2012-03-06 2014-06-05 Pierburg Gmbh Abgaseinleitvorrichtung für eine Verbrennungskraftmaschine
US9918496B2 (en) * 2013-07-24 2018-03-20 Altria Client Services Llc Electronic smoking article
DE102013223053A1 (de) * 2013-11-13 2015-05-28 Robert Bosch Gmbh Gaszuführanordnung mit steuerbarem Durchfluss, insbesondere zum Zuführen von Gas zu einem Verbrennungsmotor in einem Kraftfahrzeug
DE102014200698A1 (de) * 2014-01-16 2015-07-16 Ford Global Technologies, Llc Niederdruck-EGR-Ventil
DE102014200699A1 (de) * 2014-01-16 2015-07-16 Ford Global Technologies, Llc Niederdruck-EGR-Ventil

Also Published As

Publication number Publication date
DE102015121616B4 (de) 2018-06-14
CN108431394B (zh) 2020-11-24
DE102015121616A1 (de) 2017-06-14
US20190003401A1 (en) 2019-01-03
US10767570B2 (en) 2020-09-08
CN108431394A (zh) 2018-08-21
EP3387245B1 (fr) 2020-02-12
WO2017097540A1 (fr) 2017-06-15

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