IT1283875B1 - Dispositivo idraulico di comando per valvole - Google Patents

Dispositivo idraulico di comando per valvole

Info

Publication number
IT1283875B1
IT1283875B1 IT96RM000016A ITRM960016A IT1283875B1 IT 1283875 B1 IT1283875 B1 IT 1283875B1 IT 96RM000016 A IT96RM000016 A IT 96RM000016A IT RM960016 A ITRM960016 A IT RM960016A IT 1283875 B1 IT1283875 B1 IT 1283875B1
Authority
IT
Italy
Prior art keywords
valves
control device
hydraulic control
hydraulic
control
Prior art date
Application number
IT96RM000016A
Other languages
English (en)
Inventor
Frank Iberle
Ulrich Letsche
Andreas Rehberger
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 ITRM960016A0 publication Critical patent/ITRM960016A0/it
Publication of ITRM960016A1 publication Critical patent/ITRM960016A1/it
Application granted granted Critical
Publication of IT1283875B1 publication Critical patent/IT1283875B1/it

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)
IT96RM000016A 1995-01-19 1996-01-12 Dispositivo idraulico di comando per valvole IT1283875B1 (it)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
ITRM960016A0 ITRM960016A0 (it) 1996-01-12
ITRM960016A1 ITRM960016A1 (it) 1997-07-12
IT1283875B1 true IT1283875B1 (it) 1998-05-07

Family

ID=7751840

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96RM000016A IT1283875B1 (it) 1995-01-19 1996-01-12 Dispositivo idraulico di comando per valvole

Country Status (5)

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

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
US6044815A (en) * 1998-09-09 2000-04-04 Navistar International Transportation Corp. Hydraulically-assisted engine valve actuator
US6263842B1 (en) 1998-09-09 2001-07-24 International Truck And Engine Corporation 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
KR100679594B1 (ko) * 2003-03-24 2007-02-08 요코하마 티엘오 가부시키가이샤 내연 기관의 가변동 밸브 장치와 그 제어 방법 및 유압액튜에이터
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
US7156058B1 (en) * 2005-06-16 2007-01-02 Zheng Lou Variable valve actuator
US7302920B2 (en) * 2005-06-16 2007-12-04 Zheng Lou Variable valve actuator
US7370615B2 (en) * 2005-08-01 2008-05-13 Lgd Technology, Llc Variable valve actuator
US7290509B2 (en) * 2005-08-01 2007-11-06 Zheng Lou 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
US20190224832A1 (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 (it) * 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
FR2729731A1 (fr) 1996-07-26
GB2297124B (en) 1997-01-08
GB2297124A (en) 1996-07-24
DE19501495C1 (de) 1995-11-23
ITRM960016A0 (it) 1996-01-12
FR2729731B1 (fr) 1998-06-19
US5595148A (en) 1997-01-21
GB9600065D0 (en) 1996-03-06
ITRM960016A1 (it) 1997-07-12

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Legal Events

Date Code Title Description
0001 Granted