CA2054877C - Low mass valve lifters - Google Patents

Low mass valve lifters

Info

Publication number
CA2054877C
CA2054877C CA 2054877 CA2054877A CA2054877C CA 2054877 C CA2054877 C CA 2054877C CA 2054877 CA2054877 CA 2054877 CA 2054877 A CA2054877 A CA 2054877A CA 2054877 C CA2054877 C CA 2054877C
Authority
CA
Canada
Prior art keywords
lifter
semi
depending
low mass
longitudinal
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
CA 2054877
Other languages
English (en)
French (fr)
Other versions
CA2054877A1 (en
Inventor
John Joseph Krieg
Christopher Mark Deminco
Steven Frederick Lowe
Wayne Stanley Harris
Michael James Fox
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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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
Priority claimed from US07/628,694 external-priority patent/US5090364A/en
Priority claimed from US07/678,402 external-priority patent/US5070827A/en
Application filed by General Motors Corp filed Critical General Motors Corp
Publication of CA2054877A1 publication Critical patent/CA2054877A1/en
Application granted granted Critical
Publication of CA2054877C publication Critical patent/CA2054877C/en
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
    • 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
    • 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
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
CA 2054877 1990-12-14 1991-11-04 Low mass valve lifters Expired - Fee Related CA2054877C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/628,694 1990-12-14
US07/628,694 US5090364A (en) 1990-12-14 1990-12-14 Two-step valve operating mechanism
US07/678,402 1991-04-01
US07/678,402 US5070827A (en) 1991-04-01 1991-04-01 Low mass valve lifters

Publications (2)

Publication Number Publication Date
CA2054877A1 CA2054877A1 (en) 1992-06-15
CA2054877C true CA2054877C (en) 1994-06-14

Family

ID=27090771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2054877 Expired - Fee Related CA2054877C (en) 1990-12-14 1991-11-04 Low mass valve lifters

Country Status (4)

Country Link
EP (1) EP0490426B1 (ja)
JP (1) JP2547495B2 (ja)
CA (1) CA2054877C (ja)
DE (1) DE69103613T2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004025532A1 (de) * 2004-05-25 2005-12-15 Ina-Schaeffler Kg Tassenstößel eines Ventiltriebs einer Brennkraftmaschine
JP6295721B2 (ja) * 2014-02-28 2018-03-20 三菱自動車工業株式会社 エンジンのバルブ構造

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863432A (en) * 1957-07-18 1958-12-09 Curtiss Wright Corp Valve tappet mechanism
IT1156204B (it) * 1982-10-12 1987-01-28 Fiat Auto Spa Sistema di punteria per motori con alberi a camme a profilo verticale
DE3484823D1 (de) * 1983-12-07 1991-08-22 Eaton Corp Hydraulischer ventilstoessel.
US4637357A (en) * 1985-04-29 1987-01-20 Yamaha Hatsudoki Kabushiki Kaisha Tappet arrangement for engine valve train
JPS62154210U (ja) * 1986-03-22 1987-09-30
DE3806839A1 (de) * 1988-03-03 1989-09-14 Bayerische Motoren Werke Ag Lagegesicherter ventilstoessel, insbesondere fuer brennkraftmaschinen

Also Published As

Publication number Publication date
JP2547495B2 (ja) 1996-10-23
DE69103613D1 (de) 1994-09-29
DE69103613T2 (de) 1994-12-22
CA2054877A1 (en) 1992-06-15
EP0490426B1 (en) 1994-08-24
EP0490426A1 (en) 1992-06-17
JPH04276103A (ja) 1992-10-01

Similar Documents

Publication Publication Date Title
US5090364A (en) Two-step valve operating mechanism
CA1169316A (en) Roller tappet and method of making same
CA1329524C (en) Rocker arm with cam-contacting roller
US5016582A (en) Rocker arm
US5934232A (en) Engine valve lift mechanism
EP0785340B1 (en) A rocker arm assembly for an internal combustion engine
US5070827A (en) Low mass valve lifters
US5819694A (en) Stamped roller-type cam followers with added height
US5251587A (en) Valve lifter for engine
US5372097A (en) Self-lubricating cam follower
US3164143A (en) Internal combustion engine
US6622679B2 (en) Cup tappet
EP0490426B1 (en) Valve lifter
US5522354A (en) Valve mechanism for internal combustion engine
US6279529B1 (en) Cam and tappet carrier for engine
JPH0536968Y2 (ja)
JPH0517365Y2 (ja)
JPS60209609A (ja) 内燃機関における油圧式バルブクリアランス調整装置
JP2527811Y2 (ja) タペット
JPS6233047Y2 (ja)
JPS6139051Y2 (ja)
JPH0723528Y2 (ja) エンジン構造
JPS6231606Y2 (ja)
JPH0310323Y2 (ja)
KR19980021048A (ko) 자동차 엔진용 유압래시어저스터 구조

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed