KR930006309A - Exhaust gas recirculation system - Google Patents

Exhaust gas recirculation system Download PDF

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Publication number
KR930006309A
KR930006309A KR1019920016851A KR920016851A KR930006309A KR 930006309 A KR930006309 A KR 930006309A KR 1019920016851 A KR1019920016851 A KR 1019920016851A KR 920016851 A KR920016851 A KR 920016851A KR 930006309 A KR930006309 A KR 930006309A
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KR
South Korea
Prior art keywords
valve
electric motor
output shaft
exhaust gas
duct
Prior art date
Application number
KR1019920016851A
Other languages
Korean (ko)
Inventor
빠제 장
클라리세 디디에트
Original Assignee
라비날
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 라비날 filed Critical 라비날
Publication of KR930006309A publication Critical patent/KR930006309A/en

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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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
    • 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
    • F02M26/52—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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

본 발명은 재순환 덕트(5) 및 밸브(6)를 포함하는 차량 내연기관의 배기가스를 부분적으로 재순환시키는 장치에 관한 것이다. 밸브의 개방정도를 제어하는 수단은 스테핑 전기모터(8)와, 전기모터의 출력축(9)의 각변위를 밸브의 비례적인 축방향 변위로 또는 그 역으로 전환하는 기구(19-22)와, 전기모터를 차량의 배터리(7)에 연결하는 전기 콘덕터(16)와, 처리기(4)에 의해 정형화된 전기신호에 답하고 배터리로부터 모터의 에너지공급을 제어하기 위해 설치되는 릴레이(17)와, 밸브에 용역을 가하여 밸브를 폐쇄시키는 스프링(23)으로 구성된다.The present invention relates to a device for partially recirculating exhaust gas of a vehicle internal combustion engine comprising a recirculation duct (5) and a valve (6). The means for controlling the opening degree of the valve includes a stepping electric motor 8, a mechanism 19-22 for converting the angular displacement of the output shaft 9 of the electric motor to a proportional axial displacement of the valve and vice versa, An electric conductor 16 connecting the electric motor to the battery 7 of the vehicle, a relay 17 installed to respond to the electrical signal formatted by the processor 4 and to control the energy supply of the motor from the battery; It is composed of a spring 23 for closing the valve by applying a service to the valve.

Description

배기가스 재순환장치Exhaust gas recirculation system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도 및 제2도는 각각 휴지위치 및 재순환위치에 놓인 본 발명에 따른 재순환장치의 개략도,1 and 2 are schematic views of the recirculation apparatus according to the present invention placed in the rest position and the recirculation position, respectively.

제3도는 재순환위치에 놓인 본 발명에 따른 또 다른 재순환장치의 일부개략도,3 is a partial schematic view of another recirculation apparatus according to the present invention in a recirculation position,

제4도는 휴지위치에 놓인 본 발명에 따른 또 다른 재순환장치의 일부개략도.4 is a schematic view of a portion of another recirculation apparatus according to the present invention in a resting position.

Claims (4)

엔진의 배기관(3)의 일지점과 흡기관(2)의 일지점 사이에서 연장되는 재순환 덕트(5)와, 상기 덕트에 설치되어 점진적으로 축방향으로 개방되는 밸브(6)와, 소정기준의 함수로서 이 밸브의 개방정도를 제어하고 조정하는 수단으로 구성되며, 상기 수단은 상기 기준의 함수로서 전기제어신호를 정형화할 수 있는 처리기로 구성되어 차량 내연기관의 배기가스를 부분적으로 재순환시키는 장치로서, 밸브(6)의 개방정도를 제어하는 수단은 진폭이 처리기에 의해 정형화된 제어 파라미터(P)의 값에 따라 변하는 각변위를 출력축(9)에 전달하는 전기모터(8)와, 상기 전기모터의출력축의 각변위를 밸브의 비례적인 축방향 변위로 변화하는 기구와, 전기모터를 전기 에너지원(7)에 연결하는 전기 콘덕터(16)와, 상기 파라미터에 의해 통제되고 상기 콘덕터상에 설치되어 에너지원으로부터 전기모터에 에너지가 공급되는 것을 제어하는 릴레이(17)를 포함하는 장치에 있어서, 복귀 스프링(23)을 제공하여 밸브(6)를 폐쇄위치에 놓이도록 밸브에 영구적으로 축방향 응력을 가하고, 모터에 에너지가 공급되지 않게되면 단순히 이 밸브에 축방향 응력을 인가함으로써 밸브를 폐쇄시킬 수 있는 전환가능한 형태의기구가 선택됨을 특징으로 하는 배기가스 재순환장치.A recirculation duct (5) extending between one point of the exhaust pipe (3) of the engine and one point of the intake pipe (2), a valve (6) installed in the duct and gradually opening in the axial direction, And means for controlling and adjusting the opening degree of the valve as a function, the means being configured as a processor capable of shaping the electric control signal as a function of the criterion to partially recycle the exhaust gas of the vehicle internal combustion engine. The means for controlling the opening degree of the valve 6 includes an electric motor 8 which transmits an angular displacement whose amplitude varies according to the value of the control parameter P shaped by the processor to the output shaft 9, and the electric motor. A mechanism for changing the angular displacement of the output shaft to a proportional axial displacement of the valve, an electrical conductor 16 connecting the electric motor to the electrical energy source 7, and controlled by the parameter and mounted on the conductor Be In a device comprising a relay (17) for controlling the supply of energy from an energy source to an electric motor, the device provides a return spring (23) to permanently axially stress the valve to place the valve (6) in the closed position. And a switchable form of mechanism capable of closing the valve by simply applying an axial stress to the valve when no energy is supplied to the motor. 제1항에 있어서, 기구는 그 입력축이 전기모터의 출력축(9)과 부합하는 감속기어열과, 밸브(6)와 함께 강체로 이루어지고 감속기어열의 출력축(21)에 각을 두고 연결되는 피니언(22)과 공동작용하는 랙(19)으로 구성됨을 특징으로 하는 배기가스 재순환장치.The device according to claim 1, wherein the mechanism comprises a reduction gear train whose input shaft corresponds to the output shaft 9 of the electric motor, and a pinion which is made rigid with the valve 6 and connected at an angle to the output shaft 21 of the reduction gear train. 22. An exhaust gas recirculation apparatus, characterized in that it consists of a rack (19) which cooperates with 22). 제1항에 있어서, 밸브(6)가 폐쇄위치에 놓이도록 밸브에 축방향 응력을 가하면, 이 밸브몸체의 머리부(29)는 상기 밸브를 포함하는 덕트(2)를 벗어나고 모터(8)의 출력축(9)은 그 편심부(31)가 상기 머리부상에 놓이는 레버 또는 캠(30)과 같이 강체로 만들어짐을 특징으로 하는 배기가스 재순환장치.2. The valve body of claim 1 wherein axial stress is applied to the valve so that the valve 6 is in the closed position, the head 29 of the valve body leaves the duct 2 comprising the valve and The output shaft (9) is characterized in that the exhaust gas recirculation apparatus is made of a rigid body, such as a lever or cam (30) on which the eccentric portion (31) rests on the head. 제1항에 있어서, 밸브(6)가 폐쇄위치에 놓이도록 밸브에 축방항 응력을 가하면, 이 밸브몸체의 상기 밸브를 포함하는 덕트(2) 내부로 복귀하고 모터(8)의 출력축(9)은 그 일단부가 상기 몸체에 고정되는 연신 케이블(33)의 타단부를 지지하며 상기케이블이 부분적으로 감기는 풀리(32)와 같이 강체로 만들어짐을 특징으로 하는 배기가스 재순환장치.2. The axial stress on the valve according to claim 1, which causes the valve (6) to be in the closed position, returns to the interior of the duct (2) containing the valve of the valve body and output shaft (9) of the motor (8). The exhaust gas recirculation apparatus, characterized in that the one end is supported by the other end of the stretched cable (33) is fixed to the body and the cable is made of a rigid body, such as the pulley (32) is partially wound. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920016851A 1991-09-16 1992-09-16 Exhaust gas recirculation system KR930006309A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR91-11386 1991-09-16
FR9111386A FR2681381A1 (en) 1991-09-16 1991-09-16 IMPROVEMENTS RELATING TO EXHAUST GAS RECYCLING DEVICES.

Publications (1)

Publication Number Publication Date
KR930006309A true KR930006309A (en) 1993-04-21

Family

ID=9416972

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920016851A KR930006309A (en) 1991-09-16 1992-09-16 Exhaust gas recirculation system

Country Status (4)

Country Link
EP (1) EP0533546A1 (en)
JP (1) JPH06173783A (en)
KR (1) KR930006309A (en)
FR (1) FR2681381A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19701239A1 (en) * 1997-01-16 1998-07-23 Bosch Gmbh Robert Exhaust gas recirculation valve for motor vehicle internal combustion engine
DE19704091A1 (en) * 1997-02-04 1998-08-06 Wahler Gmbh & Co Gustav Exhaust gas recirculation valve for an internal combustion engine
JP4006834B2 (en) * 1998-07-07 2007-11-14 日産自動車株式会社 EGR valve control device for diesel engine
US6135415A (en) * 1998-07-30 2000-10-24 Siemens Canada Limited Exhaust gas recirculation assembly
GB2340915A (en) * 1998-08-20 2000-03-01 Hugh Patrick Alexander Proportional controller
DE19940264B4 (en) * 1999-08-25 2008-08-07 Robert Bosch Gmbh Method for braking an internal combustion engine of a motor vehicle
US6390079B1 (en) 2000-08-21 2002-05-21 Siemens Canada Limited Exhaust gas recirculation valve including cam linkage for converting constant angular motion to non-linear motion
KR100494777B1 (en) * 2002-09-07 2005-06-10 현대자동차주식회사 Noise reduction typed EGR valve in vehicle
GB0302020D0 (en) * 2003-01-29 2003-02-26 Delphi Tech Inc EGR valve
ITMI20050407A1 (en) * 2005-03-14 2006-09-15 Dellorto Spa VALVE FOR RECIRCULATION OF EXHAUST GAS IN INTERNAL COMBUSTION ENGINES WITH ELECTRIC MOTOR AND ROCKET-RACK MOTOR
JP2007270780A (en) * 2006-03-31 2007-10-18 Denso Corp Valve system
US9745901B2 (en) * 2009-06-17 2017-08-29 Valeo Systemes De Controle Moteur Valve comprising a movement transformation device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5598625A (en) * 1979-01-22 1980-07-26 Nissan Motor Co Ltd Control system for internal combustion engine
GB2101715B (en) * 1982-05-24 1985-09-04 Mikuni Kogyo Kk Exhaust gas recirculation valves
US4561408A (en) * 1984-01-23 1985-12-31 Borg-Warner Corporation Motorized flow control valve
JPS6176748A (en) * 1984-09-25 1986-04-19 Aisin Seiki Co Ltd Electrically driven type exhaust gas recirculating valve
JPS6228068U (en) * 1985-08-06 1987-02-20
DE3609611C2 (en) * 1985-08-29 1994-01-27 Bosch Gmbh Robert Exhaust gas recirculation control device for an internal combustion engine
US4840350A (en) * 1987-07-31 1989-06-20 Bendix Electronics Limited Electrically actuated EGR valve
DE3801296C1 (en) * 1988-01-19 1988-07-28 Daimler-Benz Ag, 7000 Stuttgart, De Exhaust gas recirculation device in a diesel internal combustion engine

Also Published As

Publication number Publication date
FR2681381A1 (en) 1993-03-19
EP0533546A1 (en) 1993-03-24
JPH06173783A (en) 1994-06-21

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