FR2638484B1 - Dispositif d'actionnement, operant hydrauliquement, pour une soupape de lancement, notamment dans un moteur a combustion interne - Google Patents

Dispositif d'actionnement, operant hydrauliquement, pour une soupape de lancement, notamment dans un moteur a combustion interne

Info

Publication number
FR2638484B1
FR2638484B1 FR8914047A FR8914047A FR2638484B1 FR 2638484 B1 FR2638484 B1 FR 2638484B1 FR 8914047 A FR8914047 A FR 8914047A FR 8914047 A FR8914047 A FR 8914047A FR 2638484 B1 FR2638484 B1 FR 2638484B1
Authority
FR
France
Prior art keywords
operating
combustion engine
internal combustion
hydraulically
operating device
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.)
Expired - Fee Related
Application number
FR8914047A
Other languages
English (en)
Other versions
FR2638484A1 (fr
Inventor
Ulrich Letsche
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2638484A1 publication Critical patent/FR2638484A1/fr
Application granted granted Critical
Publication of FR2638484B1 publication Critical patent/FR2638484B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
FR8914047A 1988-10-28 1989-10-26 Dispositif d'actionnement, operant hydrauliquement, pour une soupape de lancement, notamment dans un moteur a combustion interne Expired - Fee Related FR2638484B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3836725A DE3836725C1 (fr) 1988-10-28 1988-10-28

Publications (2)

Publication Number Publication Date
FR2638484A1 FR2638484A1 (fr) 1990-05-04
FR2638484B1 true FR2638484B1 (fr) 1994-06-03

Family

ID=6366093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8914047A Expired - Fee Related FR2638484B1 (fr) 1988-10-28 1989-10-26 Dispositif d'actionnement, operant hydrauliquement, pour une soupape de lancement, notamment dans un moteur a combustion interne

Country Status (6)

Country Link
US (1) US4930464A (fr)
JP (1) JPH086567B2 (fr)
DE (1) DE3836725C1 (fr)
FR (1) FR2638484B1 (fr)
GB (1) GB2224312B (fr)
IT (1) IT1237826B (fr)

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US7156058B1 (en) * 2005-06-16 2007-01-02 Zheng Lou Variable valve actuator
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GB0822760D0 (en) * 2008-12-13 2009-01-21 Camcon Ltd Bistable electromagnetic actuator
US8596230B2 (en) * 2009-10-12 2013-12-03 Sturman Digital Systems, Llc Hydraulic internal combustion engines
US8887690B1 (en) 2010-07-12 2014-11-18 Sturman Digital Systems, Llc Ammonia fueled mobile and stationary systems and methods
KR101154412B1 (ko) * 2010-11-11 2012-06-15 현대자동차주식회사 유압 가변 밸브 리프트 장치
KR101035101B1 (ko) 2011-03-31 2011-05-19 한국뉴매틱(주) 이단 에어콘트롤 밸브
US9206738B2 (en) 2011-06-20 2015-12-08 Sturman Digital Systems, Llc Free piston engines with single hydraulic piston actuator and methods
US9464569B2 (en) 2011-07-29 2016-10-11 Sturman Digital Systems, Llc Digital hydraulic opposed free piston engines and methods
US8978604B2 (en) 2012-03-31 2015-03-17 Jiangsu Gongda Power Technologies Co., Ltd. Variable valve actuator
FR2997739B1 (fr) 2012-11-07 2015-01-09 Thermodyn Compresseur comprenant un equilibrage de poussee
EP3406866A1 (fr) 2017-05-22 2018-11-28 EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt Entraînement hydraulique destiné à accélérer ou ralentir dynamiquement des composants en mouvement
CN108278137B (zh) * 2018-02-09 2021-03-05 中国第一汽车股份有限公司 一种液力可变气门驱动装置及系统
KR102225162B1 (ko) 2020-06-19 2021-03-09 (주)브이텍 진공 시스템용 에어-밸브 유닛

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Also Published As

Publication number Publication date
IT1237826B (it) 1993-06-18
GB2224312A (en) 1990-05-02
JPH086567B2 (ja) 1996-01-24
DE3836725C1 (fr) 1989-12-21
IT8948487A0 (it) 1989-10-26
US4930464A (en) 1990-06-05
GB8923987D0 (en) 1989-12-13
FR2638484A1 (fr) 1990-05-04
JPH02153209A (ja) 1990-06-12
GB2224312B (en) 1993-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060630