KR850007842A - Engine valve timing control system - Google Patents

Engine valve timing control system Download PDF

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Publication number
KR850007842A
KR850007842A KR1019840008478A KR840008478A KR850007842A KR 850007842 A KR850007842 A KR 850007842A KR 1019840008478 A KR1019840008478 A KR 1019840008478A KR 840008478 A KR840008478 A KR 840008478A KR 850007842 A KR850007842 A KR 850007842A
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KR
South Korea
Prior art keywords
valve
lifter
cam
fluid
engine
Prior art date
Application number
KR1019840008478A
Other languages
Korean (ko)
Other versions
KR910003261B1 (en
Inventor
제이 웨이크만 러셀
Original Assignee
로이 에취 메이센질
얼라이드 코오포레이션
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.)
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Publication date
Application filed by 로이 에취 메이센질, 얼라이드 코오포레이션 filed Critical 로이 에취 메이센질
Publication of KR850007842A publication Critical patent/KR850007842A/en
Application granted granted Critical
Publication of KR910003261B1 publication Critical patent/KR910003261B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0031—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of tappet or pushrod length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic

Abstract

내용 없음No content

Description

엔진 밸브 타이밍 제어 시스템Engine valve timing control system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명 제어 시스템의 개략도,1 is a schematic diagram of the control system of the present invention,

제2도는 본 발명 유압시스템의 개략도,2 is a schematic view of the hydraulic system of the present invention,

제3도는 밸브 리프터(lifter)의 단면도,3 is a cross-sectional view of the valve lifter,

제4도는 제3도 밸브리프터의 분해도.4 is an exploded view of the valve lifter of FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

26,27,28,134:센서, 32:전자제어유니트, 44:제어밸브, 51:밸브리프트, 60:공급라인, 62:복귀라인, 64:유압유체, 67,69,69a:체크밸브, 68:캠종동차, 70:캠, 76:밸브, 76:기초서클, 78:타이밍로우브.26, 27, 28, 134: sensor, 32: electronic control unit, 44: control valve, 51: valve lift, 60: supply line, 62: return line, 64: hydraulic fluid, 67, 69, 69a: check valve, 68: Cam follower, 70: cam, 76: valve, 76: basic circle, 78: timing lobe.

Claims (2)

각각의 밸브(74)용 타이밍 로우브(78)와 캠 기초서클(76)을 갖는 캠(70)과 함께 캠축을 갖고있고, 캠(70)과 밸브(74) 각각의 사이에 쌍을 이룬 캠 종동차(68)에 의하여 선결된 타임 시이퀸스에 따라 각각의 실린더 밸브를 개, 폐 가능하게 하는 각각의 캠, 각각의 실린더 밸브용 유압 밸브리프터(51) 및 유압유체(64)의 소오스, 밸브(74)에 캠종동차(68)와 쌍을 이루어 작동가능한 상기 리프터를 갖고있는, 내연기관내 적어도 2개의 실린더 밸브의 작동시간을 각각 제어하기 위한 엔진밸브 타이밍 제어 시스템에 있어서, 밸브리프터(51)에 연결되고, 입, 출구를 갖고 있으며 상기 밸브리프터를 통하여 유압유체가 정상적으로 흐를수 있도록 개방된 솔레노이드 제어밸브(44); 상기 리프터를 유압유체(64)의 상기 소오스 및 상기 제어밸브(44)의 출력과 연결되는 유체공급라인(60) ; 각각의 상기 리프터와 상기 결합된 제어밸브의 상기 입구사이에 연결된 유체 복귀라인(62); 상기 제어밸브(44)를 통하여 한 방향으로 유체의 흐름을 제어하기 위한 유체 복귀라인 및 각각의 상기 유체공급라인에 위치된 체크밸브(67,69,69a) ; 신호발신을 위한 엔진작동 상태에 반응하는 복수개의 센서(26,27,28,134); 및 상기 캠 종동차 수단이 상기 실린더 밸브를 작동시키도록 유체의 흐름이 상기 리프터내 유압링크를 이루는 것을 방지하기 위하여 상기 제어밸브를 작동시킬수 있는 제어신호를 기억된 엔진제어법칙 및 상기 센서신호에 따라 발신시키기 위한 마이크로프로세서를 갖는 전자제어유니트(32)로 구성되는 것을 특징으로 하는 엔진밸브 타이밍 제어 시스템.A camshaft with a cam 70 having a timing lobe 78 and a cam foundation circle 76 for each valve 74, a cam paired between each of the cam 70 and the valve 74. Each cam which opens and closes each cylinder valve according to the time sequence predetermined by the driven vehicle 68, the source and valve of the hydraulic valve lifter 51 and hydraulic fluid 64 for each cylinder valve. An engine valve timing control system for respectively controlling the operation time of at least two cylinder valves in an internal combustion engine, having the lifter operable in pairs with a cam follower 68 at 74, the valve lifter 51 A solenoid control valve 44 connected to the opening and having an inlet and an outlet and open to allow the hydraulic fluid to flow normally through the valve lifter; A fluid supply line (60) connecting the lifter to the source of the hydraulic fluid (64) and the output of the control valve (44); A fluid return line (62) connected between each of the lifters and the inlet of the associated control valve; A fluid return line for controlling the flow of fluid in one direction through the control valve 44 and check valves 67, 69 and 69a located in the respective fluid supply lines; A plurality of sensors 26, 27, 28, 134 responsive to the engine operating state for signal transmission; And a control signal capable of operating the control valve to prevent the flow of fluid from forming the hydraulic link in the lifter so that the cam follower means operates the cylinder valve according to the stored engine control law and the sensor signal. An engine valve timing control system, comprising an electronic control unit having a microprocessor for transmission. 제1항에 있어서, 상기 제어밸브가 상기 펄스를, 캠기초원에 상기 리프터를 복귀시켜 닫혀진 각각의 제어밸브를 갖는 다른 상기 리프터에 직접 전하게 작동될 때 발신된 유체압력 펄스에 반응이 민감한 수단을 포함하는 것을 특징으로 하는 엔진밸브 타이밍 제어 시스템.2. A means according to claim 1, wherein the control valve is adapted to convey the pulse directly to the other lifter having each control valve closed by returning the lifter to the cam source. Engine valve timing control system comprising a. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840008478A 1984-01-30 1984-12-28 Engine valve timing control system KR910003261B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57535584A 1984-01-30 1984-01-30
US575355 1984-01-30

Publications (2)

Publication Number Publication Date
KR850007842A true KR850007842A (en) 1985-12-09
KR910003261B1 KR910003261B1 (en) 1991-05-25

Family

ID=24299985

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840008478A KR910003261B1 (en) 1984-01-30 1984-12-28 Engine valve timing control system

Country Status (5)

Country Link
EP (1) EP0156996B1 (en)
JP (1) JPS60184936A (en)
KR (1) KR910003261B1 (en)
CA (1) CA1237034A (en)
DE (1) DE3471342D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179990A3 (en) * 1984-09-28 1987-02-25 Allied Corporation Method for variable valve timing in an internal combustion engine
AT404288B (en) * 1986-10-30 1998-10-27 Avl Verbrennungskraft Messtech ENGINE BRAKE IN AN INTERNAL COMBUSTION ENGINE FOR MOTOR VEHICLES
JPS63176610A (en) * 1987-01-19 1988-07-20 Honda Motor Co Ltd Control device for suction and exhaust valves
US5085181A (en) * 1990-06-18 1992-02-04 Feuling Engineering, Inc. Electro/hydraulic variable valve timing system
US6293237B1 (en) * 1997-12-11 2001-09-25 Diesel Engine Retarders, Inc. Variable lost motion valve actuator and method
US8820276B2 (en) 1997-12-11 2014-09-02 Jacobs Vehicle Systems, Inc. Variable lost motion valve actuator and method
DE19915532B4 (en) * 1999-04-07 2009-05-20 Schaeffler Kg Switchable valve drive member
AT5399U1 (en) 2001-09-25 2002-06-25 Avl List Gmbh VARIABLE VALVE DRIVE
AT5720U1 (en) 2001-09-25 2002-10-25 Avl List Gmbh Internal combustion engine
US6584951B1 (en) * 2001-12-06 2003-07-01 General Motors Corporation Individual hydraulic circuit modules for engine with hydraulically-controlled cylinder deactivation
DE102004057574A1 (en) * 2004-11-30 2006-06-08 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Variable valve train of an internal combustion engine
DE102005021113A1 (en) 2005-05-06 2006-11-09 Daimlerchrysler Ag Gas exchange valve actuating device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439661A (en) * 1968-01-11 1969-04-22 Michael A Weiler Controlled displacement hydraulic lifter
US3612015A (en) * 1970-03-19 1971-10-12 Louis A Hausknecht Hydraulic valve control system
US3786792A (en) * 1971-05-28 1974-01-22 Mack Trucks Variable valve timing system
US4009695A (en) * 1972-11-14 1977-03-01 Ule Louis A Programmed valve system for internal combustion engine
US4000756A (en) * 1974-03-25 1977-01-04 Ule Louis A High speed engine valve actuator
JPS526813A (en) * 1975-07-05 1977-01-19 Nissan Motor Co Ltd Valve lift method for an internal combustion engine
JPS52110313A (en) * 1976-03-12 1977-09-16 Toyota Motor Corp Suction/exhaust valve operation mechanism for internal-combustion engi ne
JPS54121314A (en) * 1978-03-13 1979-09-20 Toyota Motor Corp Valve lift varying mechanism for internal combustion engine
GB2107393B (en) * 1981-10-20 1984-10-24 Lucas Ind Plc I c engine with a fluid pressure valve operating system

Also Published As

Publication number Publication date
DE3471342D1 (en) 1988-06-23
KR910003261B1 (en) 1991-05-25
EP0156996A1 (en) 1985-10-09
JPS60184936A (en) 1985-09-20
JPH0514082B2 (en) 1993-02-24
CA1237034A (en) 1988-05-24
EP0156996B1 (en) 1988-05-18

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