FR2592429B1 - Dispositif de decompression automatique pour moteur a quatre temps - Google Patents

Dispositif de decompression automatique pour moteur a quatre temps

Info

Publication number
FR2592429B1
FR2592429B1 FR8519305A FR8519305A FR2592429B1 FR 2592429 B1 FR2592429 B1 FR 2592429B1 FR 8519305 A FR8519305 A FR 8519305A FR 8519305 A FR8519305 A FR 8519305A FR 2592429 B1 FR2592429 B1 FR 2592429B1
Authority
FR
France
Prior art keywords
stroke engine
decompression device
automatic decompression
automatic
stroke
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
Application number
FR8519305A
Other languages
English (en)
Other versions
FR2592429A1 (fr
Inventor
Masanobu Yamashita
Hiroshi Takada
Takemi Inoue
Suguru Yamauchi
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of FR2592429A1 publication Critical patent/FR2592429A1/fr
Application granted granted Critical
Publication of FR2592429B1 publication Critical patent/FR2592429B1/fr
Expired 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
    • F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
FR8519305A 1985-12-20 1985-12-27 Dispositif de decompression automatique pour moteur a quatre temps Expired FR2592429B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/811,785 US4651687A (en) 1985-12-20 1985-12-20 Automatic compression releasing device for four-cycle engine

Publications (2)

Publication Number Publication Date
FR2592429A1 FR2592429A1 (fr) 1987-07-03
FR2592429B1 true FR2592429B1 (fr) 1989-11-24

Family

ID=25207571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8519305A Expired FR2592429B1 (fr) 1985-12-20 1985-12-27 Dispositif de decompression automatique pour moteur a quatre temps

Country Status (3)

Country Link
US (1) US4651687A (fr)
DE (1) DE3545566C1 (fr)
FR (1) FR2592429B1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62261610A (ja) * 1986-05-09 1987-11-13 Honda Motor Co Ltd エンジンのオ−トデコンプ装置
US4898133A (en) * 1988-12-07 1990-02-06 Kohler Co. Automatic compression release apparatus for an internal combustion engine
US4892068A (en) * 1989-06-09 1990-01-09 Kohler Co. Geared automatic compression release for an internal combustion engine
US5184586A (en) * 1992-02-10 1993-02-09 Tecumseh Products Company Mechanical compression release for an internal combustion engine
US5197422A (en) * 1992-03-19 1993-03-30 Briggs & Stratton Corporation Compression release mechanism and method for assembling same
DE4221394C2 (de) * 1992-06-30 2002-07-18 Farymann Diesel Dekompressionsvorrichtung für Brennkraftmaschinen
US5402759A (en) * 1994-07-08 1995-04-04 Outboard Marine Corporation Cylinder decompression arrangement in cam shaft
US5647318A (en) * 1994-07-29 1997-07-15 Caterpillar Inc. Engine compression braking apparatus and method
US5540201A (en) * 1994-07-29 1996-07-30 Caterpillar Inc. Engine compression braking apparatus and method
US5526784A (en) * 1994-08-04 1996-06-18 Caterpillar Inc. Simultaneous exhaust valve opening braking system
US5823153A (en) * 1997-05-08 1998-10-20 Briggs & Stratton Corporation Compressing release with snap-in components
US5957101A (en) * 1997-07-09 1999-09-28 Kohler Co. Automatic compression release mechanism for an internal combustion engine
US5957097A (en) * 1997-08-13 1999-09-28 Harley-Davidson Motor Company Internal combustion engine with automatic compression release
US6401678B1 (en) 2000-02-08 2002-06-11 Mtd Southwest Small four-cycle engine having compression relief to facilitate cranking
DE10047255C2 (de) 2000-09-23 2003-03-06 Porsche Ag Automatische Dekompressionsvorrichtung für ventilgesteuerte Brennkraftmaschinen
US6786185B2 (en) * 2002-03-14 2004-09-07 Delphi Technologies, Inc. Variable valve actuation mechanism having partial wrap bearings for output cams and frames
US6672269B1 (en) 2002-07-18 2004-01-06 Kohler Co. Automatic compression release mechanism
US6978751B2 (en) 2002-07-18 2005-12-27 Kohler Co. Cam follower arm for an internal combustion engine
US7174871B2 (en) * 2005-06-07 2007-02-13 Tecumseh Products Company Mechanical compression and vacuum release mechanism
US7328678B2 (en) * 2005-06-07 2008-02-12 Tecumseh Power Company Mechanical compression and vacuum release mechanism
CN108087052B (zh) * 2017-12-13 2019-11-22 大连理工大学 一种液压多模式可变气门驱动系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362390A (en) * 1966-02-09 1968-01-09 Wisconsin Motor Corp Automatic compression release
US3381676A (en) * 1967-04-12 1968-05-07 Tecumseh Products Co Compression relief mechanism
US3897768A (en) * 1973-11-19 1975-08-05 Tecumseh Products Co Compression relief mechanism
JPS5620486A (en) * 1979-07-27 1981-02-26 Matsushita Electric Works Ltd Rotary electric razor
US4610227A (en) * 1984-01-20 1986-09-09 Kubota Limited Automatic decompression system for starting engine

Also Published As

Publication number Publication date
DE3545566C1 (de) 1987-09-03
US4651687A (en) 1987-03-24
FR2592429A1 (fr) 1987-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse