KR920701615A - 내연기관용 전기유압 밸브 제어장치 - Google Patents

내연기관용 전기유압 밸브 제어장치

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Publication number
KR920701615A
KR920701615A KR1019910700767A KR910700767A KR920701615A KR 920701615 A KR920701615 A KR 920701615A KR 1019910700767 A KR1019910700767 A KR 1019910700767A KR 910700767 A KR910700767 A KR 910700767A KR 920701615 A KR920701615 A KR 920701615A
Authority
KR
South Korea
Prior art keywords
valve
pressure chamber
drain passage
control
control device
Prior art date
Application number
KR1019910700767A
Other languages
English (en)
Inventor
스투짼베르거 하인쯔
Original Assignee
랄프 홀거 베렌스, 빌프리트 뵈르
로베르트 보쉬 게엠베하
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 랄프 홀거 베렌스, 빌프리트 뵈르, 로베르트 보쉬 게엠베하 filed Critical 랄프 홀거 베렌스, 빌프리트 뵈르
Publication of KR920701615A publication Critical patent/KR920701615A/ko

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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
    • 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
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

내용 없음

Description

내연기관용 전기유압 밸브 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 합체된 유압 제어 다이어그램을 갖는 보다 간소화된 밸브 제어 장치의 길이방향 단면을 도시한 것이고, 제2도는 4개 실린더 내연기관용 4개의 동일 밸브 제어 장치의 작용 다이어그램을 도시한 것이다.

Claims (6)

  1. 엔진 캠 샤프트의 작동 캠에 의해 밸브 태핏을 거쳐 축방향으로 작동된 엔진 밸브와, 유압 오일로 충전되고, 밸브 태핏의 효과적인 길이를 결정하고 작동 캠에 의해 작동되며, 한쪽이 캠 피스톤, 다른쪽이 밸브 스템상에서 작용하는 밸브 피스톤에 의해 한정되어 있는 가변 체적을 갖는 압력실과, 압력실로부터 분기된 유압 오일용 드레인 통로와, 압력실쪽으로 개방된 비귀환 밸브를 포함하고 압력실에서 종결되는 유압 오일 공급 채널과, 드레인 통로 및 압력실 체적의 제어를 위해 엔진 특성을 처리하는 전자 제어 유닛에 의해 구동되는 솔레노이드 밸브를 포함하는 내연기관용 전기 유압 밸브 제어장치에 있어서, 상기 드레인 통로(17)는 유압 제어에 의해 개방되도록 배열된 차단 밸브(18)로 차단되고, 밸브 피스톤(9)은 캠 샤프트(7 )의 특정 토크각(캠 샤프트)에 대응하는 행정을 행한후 제어 채널(25)를 개방시키도록 작동되고, 제어 채널(25)이 차단 밸브상이 제어 압력같은 압력실 압력의 전달을 위해 차단 밸브(18)를 이끌므로써, 제어채널(25)이 밸브 피스톤(9)에 의해 개방되도록 작동된후 차단밸브(18)가 압력실(8)의 작동 압력에 의해 개방되는 것을 특징으로 하는 밸브 제어장치.
  2. 제1항에 있어서, 솔레노이드 밸브(21)의 방향으로 개방된 비귀환 밸브(19)는 차단 밸브(18)와 솔레노이드 밸브(21)사이의 드레인 통로(17)에 배열된 것을 특징으로 하는 밸브 제어장치.
  3. 제2항에 있어서, 동일한 내역기관의 다른 밸브 제어 유닛의 부가의 드레인 채널(34)은 비귀환 밸브(19)와 솔레노이드 밸브(21)사이의 드레인 통로(17)에서 종결되는 것을 특징으로 하는 밸브 제어 장치.
  4. 상기 항중 어느 한항에 있어서, 릴리프라인(27)은 제어 채널(25)과 차단 밸브(18)의 상류측의 드레인통로(17)사이에 위치되고, 상기 릴리프 라인에는 드레인 통로(17)쪽으로 개방되는 비귀환 밸브(28)가 제공된 것을 특징으로 하는 밸브 제어장치.
  5. 상기 항중 어느 한 항에 있어서, 작동캠(6)은 작동될 캠 피스톤(3)의 공급 행정(압축행정부(Ⅱ))을 위해 완만히 상승되고 흡입 행정(흡입 행정부(Ⅲ))을 위해 급격히 하강하는 통로(5)(Ⅱ 내지 Ⅳ)를 갖는 것을 특징으로 하는 밸브 제어장치.
  6. 상기 항중 어느 한 항에 있어서, 차단 밸브(18)는 슬라이드 밸브로서 설계되고, 귀환 스프링(24)에 대해 차단 위치로부터 이동될 수 있는 슬라이드(23)는 제어채널(25)을 통해 공급된 유압 오일에 의해 귀환 스프링(24)에 이격 회전된 전방면상에 가압되는 것을 특징으로 하는 밸브 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910700767A 1989-11-25 1990-10-26 내연기관용 전기유압 밸브 제어장치 KR920701615A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3939066A DE3939066A1 (de) 1989-11-25 1989-11-25 Elektrohydraulische ventilsteuervorrichtung fuer brennkraftmaschinen
DEP39390667 1989-11-25
PCT/DE1990/000818 WO1991008383A1 (de) 1989-11-25 1990-10-26 Elektrohydraulische ventilsteuervorrichtung für brennkraftmaschinen

Publications (1)

Publication Number Publication Date
KR920701615A true KR920701615A (ko) 1992-08-12

Family

ID=6394205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910700767A KR920701615A (ko) 1989-11-25 1990-10-26 내연기관용 전기유압 밸브 제어장치

Country Status (7)

Country Link
US (1) US5154143A (ko)
EP (1) EP0455762B1 (ko)
JP (1) JPH04502661A (ko)
KR (1) KR920701615A (ko)
DE (2) DE3939066A1 (ko)
ES (1) ES2048508T3 (ko)
WO (1) WO1991008383A1 (ko)

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WO1999027235A1 (en) * 1997-11-21 1999-06-03 Diesel Engine Retarders, Inc. Method and system start-up apparatus for removing air and debris from a valve actuation system
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DE10064650B4 (de) * 2000-12-22 2016-04-28 Robert Bosch Gmbh Elektronische Verfahren und Einrichtung der Steuerung von Gaswechselventilen eines Verbrennungsmotors mit variabler Öffnungsfunktion
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US20090308340A1 (en) * 2008-06-11 2009-12-17 Gm Global Technology Operations, Inc. Cam-Driven Hydraulic Lost-Motion Mechanisms for Overhead Cam and Overhead Valve Valvetrains
US8011331B2 (en) * 2008-09-12 2011-09-06 GM Global Technology Operations LLC Eight-stroke engine cycle
AT505832B1 (de) * 2008-09-18 2011-01-15 Avl List Gmbh Motorbremseinrichtung für eine brennkraftmaschine
DE102008049181A1 (de) * 2008-09-26 2010-04-01 Schaeffler Kg Elektrohydraulische Ventilsteuerung
US8191516B2 (en) * 2009-03-09 2012-06-05 GM Global Technology Operations LLC Delayed exhaust engine cycle
KR101154401B1 (ko) 2009-12-04 2012-06-15 현대자동차주식회사 전기-유압 가변 밸브 리프트 장치
KR101154412B1 (ko) * 2010-11-11 2012-06-15 현대자동차주식회사 유압 가변 밸브 리프트 장치
US8689541B2 (en) 2011-02-16 2014-04-08 GM Global Technology Operations LLC Valvetrain control method and apparatus for conserving combustion heat
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EP2693007B1 (en) 2012-07-31 2015-12-09 C.R.F. Società Consortile per Azioni Internal combustion engine having a system for variable actuation of the intake valves provided with three-ways solenoid valves and method for controlling this engine
CN104265393A (zh) * 2014-07-25 2015-01-07 贵州大学 新型可变气门正时***
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JP6252995B2 (ja) * 2016-03-14 2017-12-27 マツダ株式会社 エンジンの制御装置
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Also Published As

Publication number Publication date
JPH04502661A (ja) 1992-05-14
EP0455762A1 (de) 1991-11-13
EP0455762B1 (de) 1993-12-29
DE59004045D1 (de) 1994-02-10
US5154143A (en) 1992-10-13
WO1991008383A1 (de) 1991-06-13
ES2048508T3 (es) 1994-03-16
DE3939066A1 (de) 1991-05-29

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