FR2592429B1 - Dispositif de decompression automatique pour moteur a quatre temps - Google Patents
Dispositif de decompression automatique pour moteur a quatre tempsInfo
- 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
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)
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)
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 |
US5540201A (en) * | 1994-07-29 | 1996-07-30 | Caterpillar Inc. | Engine compression braking apparatus and method |
US5647318A (en) * | 1994-07-29 | 1997-07-15 | 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 |
US6978751B2 (en) | 2002-07-18 | 2005-12-27 | Kohler Co. | Cam follower arm for an internal combustion engine |
US6672269B1 (en) | 2002-07-18 | 2004-01-06 | Kohler Co. | Automatic compression release mechanism |
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)
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 |
-
1985
- 1985-12-20 US US06/811,785 patent/US4651687A/en not_active Expired - Lifetime
- 1985-12-21 DE DE3545566A patent/DE3545566C1/de not_active Expired
- 1985-12-27 FR FR8519305A patent/FR2592429B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2592429A1 (fr) | 1987-07-03 |
US4651687A (en) | 1987-03-24 |
DE3545566C1 (de) | 1987-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |