ATE551504T1 - VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE - Google Patents

VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE

Info

Publication number
ATE551504T1
ATE551504T1 AT10169651T AT10169651T ATE551504T1 AT E551504 T1 ATE551504 T1 AT E551504T1 AT 10169651 T AT10169651 T AT 10169651T AT 10169651 T AT10169651 T AT 10169651T AT E551504 T1 ATE551504 T1 AT E551504T1
Authority
AT
Austria
Prior art keywords
combustion engine
internal combustion
valve drive
supporting element
cylinder
Prior art date
Application number
AT10169651T
Other languages
German (de)
Inventor
Helmut Engelhardt
Ulrich Linnenbrink
Original Assignee
Schaeffler Technologies 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 Schaeffler Technologies Ag filed Critical Schaeffler Technologies Ag
Application granted granted Critical
Publication of ATE551504T1 publication Critical patent/ATE551504T1/en

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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
    • 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
    • F01L13/0005—Deactivating valves
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

The variable dual overhead camshaft valve gear (1) has a disconnected supporting element for each cylinder, which is inserted in a support of a cylinder head seated between two gas channels. A rocker finger (10) is supported at an end (11) on the supporting element.
AT10169651T 2009-08-13 2010-07-15 VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE ATE551504T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009037496A DE102009037496A1 (en) 2009-08-13 2009-08-13 Valve gear of an internal combustion engine

Publications (1)

Publication Number Publication Date
ATE551504T1 true ATE551504T1 (en) 2012-04-15

Family

ID=43334364

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10169651T ATE551504T1 (en) 2009-08-13 2010-07-15 VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
EP (1) EP2295739B1 (en)
AT (1) ATE551504T1 (en)
DE (1) DE102009037496A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015215194A1 (en) 2015-08-10 2017-02-16 Schaeffler Technologies AG & Co. KG Cam follower lever
GB201522269D0 (en) * 2015-12-17 2016-02-03 Eaton Srl Hydraulic lash adjuster
DE102020117126A1 (en) * 2019-10-16 2021-04-22 Schaeffler Technologies AG & Co. KG Bar-like bridge for a valve train of a heavy-duty internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105785B (en) * 1981-09-10 1984-10-03 Honda Motor Co Ltd Controlling opening of multiple i c engine intake and exhaust valves
FR2663682B1 (en) * 1990-06-21 1992-10-16 Peugeot VARIABLE AMPLITUDE DEVICE FOR LIFTING AT LEAST ONE VALVE OF AN INTERNAL COMBUSTION ENGINE.
FR2674287B1 (en) * 1991-03-19 1993-07-23 Peugeot HYDRAULIC CONTROL FOR LIFTING MECHANISM WITH VARIABLE AMPLITUDE OF AT LEAST ONE VALVE OF INTERNAL COMBUSTION ENGINE.
US5259346A (en) * 1992-11-05 1993-11-09 Henley Manufacturing Holding Company, Inc. Rocker arm of the cam-follower type for operating two valves
DE19537641A1 (en) * 1995-10-10 1997-04-17 Bayerische Motoren Werke Ag Point bearing tappet for IC-engine valve
DE10247949A1 (en) 2002-10-15 2004-04-29 Ina-Schaeffler Kg Switchable support element for a valve train of an internal combustion engine
DE102007020108A1 (en) * 2007-04-28 2008-10-30 Schaeffler Kg Cylinder valve cam drive, for an internal combustion motor, has a single support for the cam follower between it and the cylinder head

Also Published As

Publication number Publication date
DE102009037496A1 (en) 2011-02-17
EP2295739A1 (en) 2011-03-16
EP2295739B1 (en) 2012-03-28

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