FR2729731B1 - Dispositif hydraulique de commande de soupape - Google Patents

Dispositif hydraulique de commande de soupape

Info

Publication number
FR2729731B1
FR2729731B1 FR9600531A FR9600531A FR2729731B1 FR 2729731 B1 FR2729731 B1 FR 2729731B1 FR 9600531 A FR9600531 A FR 9600531A FR 9600531 A FR9600531 A FR 9600531A FR 2729731 B1 FR2729731 B1 FR 2729731B1
Authority
FR
France
Prior art keywords
control device
valve control
hydraulic valve
hydraulic
valve
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
FR9600531A
Other languages
English (en)
Other versions
FR2729731A1 (fr
Inventor
Ulrich Letsche
Andreas Rehberger
Frank Iberle
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
Mercedes 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, Mercedes Benz AG filed Critical Daimler Benz AG
Publication of FR2729731A1 publication Critical patent/FR2729731A1/fr
Application granted granted Critical
Publication of FR2729731B1 publication Critical patent/FR2729731B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/906—Valves biased by fluid "springs"

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
FR9600531A 1995-01-19 1996-01-18 Dispositif hydraulique de commande de soupape Expired - Fee Related FR2729731B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19501495A DE19501495C1 (de) 1995-01-19 1995-01-19 Hydraulische Ventilsteuervorrichtung

Publications (2)

Publication Number Publication Date
FR2729731A1 FR2729731A1 (fr) 1996-07-26
FR2729731B1 true FR2729731B1 (fr) 1998-06-19

Family

ID=7751840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9600531A Expired - Fee Related FR2729731B1 (fr) 1995-01-19 1996-01-18 Dispositif hydraulique de commande de soupape

Country Status (5)

Country Link
US (1) US5595148A (fr)
DE (1) DE19501495C1 (fr)
FR (1) FR2729731B1 (fr)
GB (1) GB2297124B (fr)
IT (1) IT1283875B1 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148778A (en) * 1995-05-17 2000-11-21 Sturman Industries, Inc. Air-fuel module adapted for an internal combustion engine
DE19621719C1 (de) * 1996-05-31 1997-07-17 Daimler Benz Ag Hydraulische Ventilsteuervorrichtung
DE19621951C1 (de) * 1996-05-31 1997-07-10 Daimler Benz Ag Hydraulische Venbtilsteuervorrichtung
US5829396A (en) * 1996-07-16 1998-11-03 Sturman Industries Hydraulically controlled intake/exhaust valve
US6067946A (en) * 1996-12-16 2000-05-30 Cummins Engine Company, Inc. Dual-pressure hydraulic valve-actuation system
US5682846A (en) * 1996-12-19 1997-11-04 Eaton Corporation Engine valve actuator with differential area pistons
DE29704758U1 (de) * 1997-03-15 1997-05-07 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Hydraulische Schalteinheit
DE19716042C1 (de) 1997-04-17 1998-05-07 Daimler Benz Ag Hydraulische Steuervorrichtung für wenigstens ein Hubventil
US6263842B1 (en) 1998-09-09 2001-07-24 International Truck And Engine Corporation Hydraulically-assisted engine valve actuator
US6044815A (en) * 1998-09-09 2000-04-04 Navistar International Transportation Corp. Hydraulically-assisted engine valve actuator
US6786186B2 (en) 1998-09-09 2004-09-07 International Engine Intellectual Property Company, Llc Unit trigger actuator
DE19853355C1 (de) * 1998-11-19 2000-08-31 Daimler Chrysler Ag Hydraulisch steuerbares Hubventil
DE19905364C1 (de) 1999-02-10 2000-08-03 Daimler Chrysler Ag Verfahren zum Betrieb einer Brennkraftmaschine mit variablen Gaswechselsteuerzeiten
US6349686B1 (en) 2000-08-31 2002-02-26 Caterpillar Inc. Hydraulically-driven valve and hydraulic system using same
US6739293B2 (en) * 2000-12-04 2004-05-25 Sturman Industries, Inc. Hydraulic valve actuation systems and methods
US6876916B2 (en) * 2002-02-01 2005-04-05 Ford Global Technologies, Llc Method and system for inferring torque output of a variable compression ratio engine
US20040020453A1 (en) * 2002-02-05 2004-02-05 Yager James H. Damped valve controller
US6782852B2 (en) * 2002-10-07 2004-08-31 Husco International, Inc. Hydraulic actuator for operating an engine cylinder valve
CN100365292C (zh) * 2003-03-24 2008-01-30 横浜Tlo株式会社 内燃机的可动气门阀装置、其控制方法以及液压驱动器
US6978747B2 (en) * 2003-04-01 2005-12-27 International Engine Intellectual Property Company, Llc Hydraulic actuator cartridge for a valve
US7347172B2 (en) * 2005-05-10 2008-03-25 International Engine Intellectual Property Company, Llc Hydraulic valve actuation system with valve lash adjustment
US7302920B2 (en) * 2005-06-16 2007-12-04 Zheng Lou Variable valve actuator
US7156058B1 (en) * 2005-06-16 2007-01-02 Zheng Lou Variable valve actuator
US7290509B2 (en) * 2005-08-01 2007-11-06 Zheng Lou Variable valve actuator
US7370615B2 (en) * 2005-08-01 2008-05-13 Lgd Technology, Llc Variable valve actuator
DE102005056012A1 (de) * 2005-11-24 2007-06-06 Volkswagen Ag Hydraulische Ventilsteuervorrichtung für ein Hubventil
US7421987B2 (en) * 2006-05-26 2008-09-09 Lgd Technology, Llc Variable valve actuator with latch at one end
US7766302B2 (en) * 2006-08-30 2010-08-03 Lgd Technology, Llc Variable valve actuator with latches at both ends
SE544218C2 (sv) * 2011-10-21 2022-03-08 Freevalve Ab Tryckfluidstyrd aktuator
US8978604B2 (en) 2012-03-31 2015-03-17 Jiangsu Gongda Power Technologies Co., Ltd. Variable valve actuator
US9926178B2 (en) 2014-08-20 2018-03-27 Crown Equipment Corporation Actuator in a lift truck
CN104314635B (zh) * 2014-09-04 2017-01-11 宁波华液机器制造有限公司 可变驱动器
US20190224833A1 (en) * 2018-01-19 2019-07-25 Max Co., Ltd. Driving tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836725C1 (fr) * 1988-10-28 1989-12-21 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE69027858T2 (de) * 1989-08-28 1997-02-13 Nigel Eric Rose Hydraulisches stellglied
US5193495A (en) * 1991-07-16 1993-03-16 Southwest Research Institute Internal combustion engine valve control device
US5529030A (en) * 1992-02-26 1996-06-25 Rose; Nigel E. Fluid actuators
US5224683A (en) * 1992-03-10 1993-07-06 North American Philips Corporation Hydraulic actuator with hydraulic springs
US5531192A (en) * 1994-08-04 1996-07-02 Caterpillar Inc. Hydraulically actuated valve system

Also Published As

Publication number Publication date
GB2297124A (en) 1996-07-24
GB9600065D0 (en) 1996-03-06
FR2729731A1 (fr) 1996-07-26
ITRM960016A1 (it) 1997-07-12
US5595148A (en) 1997-01-21
ITRM960016A0 (it) 1996-01-12
IT1283875B1 (it) 1998-05-07
GB2297124B (en) 1997-01-08
DE19501495C1 (de) 1995-11-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20060929