DE502005002644D1 - Variable valve train of an internal combustion engine - Google Patents

Variable valve train of an internal combustion engine

Info

Publication number
DE502005002644D1
DE502005002644D1 DE502005002644T DE502005002644T DE502005002644D1 DE 502005002644 D1 DE502005002644 D1 DE 502005002644D1 DE 502005002644 T DE502005002644 T DE 502005002644T DE 502005002644 T DE502005002644 T DE 502005002644T DE 502005002644 D1 DE502005002644 D1 DE 502005002644D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
variable valve
valve train
train
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.)
Active
Application number
DE502005002644T
Other languages
German (de)
Inventor
Eduard Golovatai-Schmidt
Valeria Prof-Dr Vacarescu
Wolfgang Dr Reik
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler KG
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 Schaeffler KG filed Critical Schaeffler KG
Publication of DE502005002644D1 publication Critical patent/DE502005002644D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
    • 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)
DE502005002644T 2004-11-30 2005-11-05 Variable valve train of an internal combustion engine Active DE502005002644D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004057574A DE102004057574A1 (en) 2004-11-30 2004-11-30 Variable valve train of an internal combustion engine

Publications (1)

Publication Number Publication Date
DE502005002644D1 true DE502005002644D1 (en) 2008-03-13

Family

ID=35976456

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004057574A Withdrawn DE102004057574A1 (en) 2004-11-30 2004-11-30 Variable valve train of an internal combustion engine
DE502005002644T Active DE502005002644D1 (en) 2004-11-30 2005-11-05 Variable valve train of an internal combustion engine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004057574A Withdrawn DE102004057574A1 (en) 2004-11-30 2004-11-30 Variable valve train of an internal combustion engine

Country Status (2)

Country Link
EP (1) EP1662098B1 (en)
DE (2) DE102004057574A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036246B4 (en) * 2006-08-03 2016-09-15 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Engine braking system for an internal combustion engine
DE102006036660B4 (en) * 2006-08-05 2015-06-25 Deutz Ag Reciprocating internal combustion engine with engine braking by opening the exhaust valves
DE102008027163A1 (en) * 2008-06-06 2009-12-10 Daimler Ag Valve lash adjuster
DE102011101239A1 (en) * 2011-05-11 2012-11-15 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Hydraulic plunger for balancing valve clearance at inlet and exhaust valves of combustion engine, has low-pressure chamber connected to first oil supply, and high-pressure chamber impinged with hydraulic pressure by second oil supply
US9157340B2 (en) 2013-03-25 2015-10-13 GT Technologies Dual feed hydraulic lash adjuster for valve actuating mechanism
WO2018017779A1 (en) 2016-07-20 2018-01-25 Eaton Corporation Variable valve actuation system for type ii valvetrain using lost motion and reset

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797469A (en) * 1971-04-06 1974-03-19 Diesel Kiki Co Distributor-type fuel injection pump for internal combustion engines
JPS53123310U (en) * 1977-03-09 1978-09-30
US4158348A (en) * 1977-06-30 1979-06-19 Mason Lloyd R System for retarding engine speed
DE3026529A1 (en) * 1980-07-12 1982-02-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Exhaust valve brake for IC engine - uses hydraulic plunger in tappet to cyclically increase valve drive-line effective length
EP0156996B1 (en) * 1984-01-30 1988-05-18 Allied Corporation Engine valve timing control system
JPS60204912A (en) * 1984-03-29 1985-10-16 Aisin Seiki Co Ltd Hydraulic lifter for variable cylinder
DE3660265D1 (en) * 1985-02-11 1988-07-07 Interatom Valve drive with hydraulic transmission
DE3922884A1 (en) * 1989-07-12 1991-01-24 Man Nutzfahrzeuge Ag ENGINE BRAKE FOR AIR COMPRESSING ENGINES
DE4318293A1 (en) * 1992-06-13 1993-12-16 Volkswagen Ag Drag lever for IC engine poppet valve - combines two pistons longitudinally displaceable between lever and working chamber
DE19527916A1 (en) * 1995-07-29 1997-04-17 Kovacs Emil Operating device for valve of IC engine
DE19839732C2 (en) * 1998-09-01 2002-10-31 Iav Gmbh Piezoelectric-hydraulic actuator
US6026771A (en) * 1999-05-24 2000-02-22 Escobosa; Alfonso S. Variable actuation of engine valves
AT4872U1 (en) 2000-11-20 2001-12-27 Avl List Gmbh VARIABLE VALVE DRIVE FOR A CAM-ACTUATED LIFT VALVE OF AN INTERNAL COMBUSTION ENGINE
AT5399U1 (en) 2001-09-25 2002-06-25 Avl List Gmbh VARIABLE VALVE DRIVE
US6837197B2 (en) * 2003-03-19 2005-01-04 Eaton Corporation Dual valve lift and valve deactivation

Also Published As

Publication number Publication date
DE102004057574A1 (en) 2006-06-08
EP1662098B1 (en) 2008-01-23
EP1662098A1 (en) 2006-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE

R081 Change of applicant/patentee

Ref document number: 1662098

Country of ref document: EP

Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE

Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE

Effective date: 20120828