DE69409171D1 - Dekompressionsvorrichtung für eine Brennkraftmaschine - Google Patents

Dekompressionsvorrichtung für eine Brennkraftmaschine

Info

Publication number
DE69409171D1
DE69409171D1 DE69409171T DE69409171T DE69409171D1 DE 69409171 D1 DE69409171 D1 DE 69409171D1 DE 69409171 T DE69409171 T DE 69409171T DE 69409171 T DE69409171 T DE 69409171T DE 69409171 D1 DE69409171 D1 DE 69409171D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
decompression device
decompression
engine
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
DE69409171T
Other languages
English (en)
Other versions
DE69409171T2 (de
Inventor
John A Morrow
Jack E Campbell
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.)
Deere and Co
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of DE69409171D1 publication Critical patent/DE69409171D1/de
Application granted granted Critical
Publication of DE69409171T2 publication Critical patent/DE69409171T2/de
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
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
    • 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
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices
    • 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
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
DE69409171T 1993-07-19 1994-07-13 Dekompressionsvorrichtung für eine Brennkraftmaschine Expired - Fee Related DE69409171T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/093,779 US5377642A (en) 1993-07-19 1993-07-19 Compression release for an internal combustion engine

Publications (2)

Publication Number Publication Date
DE69409171D1 true DE69409171D1 (de) 1998-04-30
DE69409171T2 DE69409171T2 (de) 1998-07-16

Family

ID=22240663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409171T Expired - Fee Related DE69409171T2 (de) 1993-07-19 1994-07-13 Dekompressionsvorrichtung für eine Brennkraftmaschine

Country Status (5)

Country Link
US (1) US5377642A (de)
EP (1) EP0635624B1 (de)
JP (1) JPH0771352A (de)
CA (1) CA2126579C (de)
DE (1) DE69409171T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5799635A (en) * 1996-07-26 1998-09-01 Ryobi North America Two cycle engine having a decompression slot
FR2756592B1 (fr) * 1996-12-03 1998-12-31 Inst Francais Du Petrole Moteur a combustion interne a deux temps a echappement instantane
JP2886520B2 (ja) * 1997-04-03 1999-04-26 明邦株式会社 空圧作動装置
US6314938B1 (en) 1998-10-26 2001-11-13 Deere & Company Starting system for spark ignition engine
DE10253231B3 (de) * 2002-11-15 2004-02-12 Dr.Ing.H.C. F. Porsche Ag Automatische Dekompressionsvorrichtung für ventilgesteuerte Brennkraftmaschinen
US10060336B1 (en) * 2017-06-15 2018-08-28 Ford Global Technologies, Llc Variable compression ratio engine and method for operation thereof

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1377139A (en) * 1919-04-09 1921-05-03 Murphy John Francis Internal-combustion engine
US2023048A (en) * 1932-07-27 1935-12-03 Gentill Mario Internal combustion engine
US2742380A (en) * 1954-08-30 1956-04-17 Byron M Peters Starting system for two-cycle gas engines
US3417740A (en) * 1967-10-18 1968-12-24 Tecumseh Products Co Automatic compression release for internal combustion engine
US3538899A (en) * 1968-03-01 1970-11-10 Mcculloch Corp Compression relief mechanism for starting internal combustion engines
US3782354A (en) * 1972-05-05 1974-01-01 Walbro Corp Automatic compression relief valve
GB1529925A (en) * 1976-01-17 1978-10-25 Textron Inc Exhaust port of two-stroke engines
US4204384A (en) * 1976-07-14 1980-05-27 Outboard Marine Corporation Lawn mower including means for stopping engine
US4217796A (en) * 1978-09-13 1980-08-19 Outboard Marine Corporation Compression reducing system for an internal combustion engine
US4252092A (en) * 1979-09-04 1981-02-24 Tecumseh Products Company Compression release mechanism
US4312308A (en) * 1980-02-21 1982-01-26 Slattery Gordon C Compression relief system for internal combustion engine
US4414933A (en) * 1981-06-15 1983-11-15 Briggs & Stratton Corporation Compression release mechanism using a bimetallic disc
DE3215169A1 (de) * 1982-04-23 1983-10-27 Fichtel & Sachs Ag, 8720 Schweinfurt Zweitakt-hubkolben-brennkraftmaschine
US4619228A (en) * 1984-10-11 1986-10-28 Textron Inc. Automatic compression release for two-cycle engine
EP0238996A3 (en) * 1986-03-21 1988-12-14 Roger Martin Hall Two-stroke engine
JPH0765510B2 (ja) * 1987-09-04 1995-07-19 三信工業株式会社 ２サイクルエンジン
JP2536548B2 (ja) * 1987-09-30 1996-09-18 スズキ株式会社 縦軸多気筒２サイクルエンジン
US5054441A (en) * 1988-06-17 1991-10-08 Mitsubishi Jukogyo Kabushiki Kaisha Decompression device in a two-cycle engine
JP2754050B2 (ja) * 1989-08-30 1998-05-20 三信工業株式会社 ２サイクルエンジンの排気消音装置
US4993372A (en) * 1989-10-19 1991-02-19 Constantin Mott Two stroke internal combustion engine with decompression valve
US5134976A (en) * 1991-06-04 1992-08-04 Outboard Marine Corporation Internal combustion engine

Also Published As

Publication number Publication date
EP0635624B1 (de) 1998-03-25
US5377642A (en) 1995-01-03
JPH0771352A (ja) 1995-03-14
DE69409171T2 (de) 1998-07-16
CA2126579C (en) 1999-01-19
EP0635624A1 (de) 1995-01-25
CA2126579A1 (en) 1995-01-20

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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: DEERE & CO., MOLINE, ILL., US

8339 Ceased/non-payment of the annual fee