DE69718475D1 - Zweitaktbrennkraftmaschine mit dekompressionsschlitz - Google Patents

Zweitaktbrennkraftmaschine mit dekompressionsschlitz

Info

Publication number
DE69718475D1
DE69718475D1 DE69718475T DE69718475T DE69718475D1 DE 69718475 D1 DE69718475 D1 DE 69718475D1 DE 69718475 T DE69718475 T DE 69718475T DE 69718475 T DE69718475 T DE 69718475T DE 69718475 D1 DE69718475 D1 DE 69718475D1
Authority
DE
Germany
Prior art keywords
combustion engine
stroke combustion
decompression slot
decompression
slot
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
DE69718475T
Other languages
English (en)
Other versions
DE69718475T2 (de
Inventor
Samer Aljabari
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.)
MTD Products Inc
Original Assignee
MTD Products 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 MTD Products Inc filed Critical MTD Products Inc
Application granted granted Critical
Publication of DE69718475D1 publication Critical patent/DE69718475D1/de
Publication of DE69718475T2 publication Critical patent/DE69718475T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/004—Aiding engine start by using decompression means or variable valve actuation
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
DE69718475T 1996-07-26 1997-07-25 Zweitaktbrennkraftmaschine mit dekompressionsschlitz Expired - Fee Related DE69718475T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2261796P 1996-07-26 1996-07-26
PCT/US1997/013153 WO1998004829A1 (en) 1996-07-26 1997-07-25 Two cycle engine having a decompression slot

Publications (2)

Publication Number Publication Date
DE69718475D1 true DE69718475D1 (de) 2003-02-20
DE69718475T2 DE69718475T2 (de) 2003-12-24

Family

ID=21810523

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718475T Expired - Fee Related DE69718475T2 (de) 1996-07-26 1997-07-25 Zweitaktbrennkraftmaschine mit dekompressionsschlitz

Country Status (6)

Country Link
US (1) US5799635A (de)
EP (1) EP0914558B1 (de)
JP (1) JP2000515948A (de)
AU (1) AU727644B2 (de)
DE (1) DE69718475T2 (de)
WO (1) WO1998004829A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50010470D1 (de) * 2000-11-07 2005-07-07 Ford Global Tech Llc Zylinderblock für eine Verbrennungskraftmaschine
DE10253231B3 (de) * 2002-11-15 2004-02-12 Dr.Ing.H.C. F. Porsche Ag Automatische Dekompressionsvorrichtung für ventilgesteuerte Brennkraftmaschinen
DE102007054929B4 (de) * 2007-11-17 2016-12-01 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
JP2017198174A (ja) * 2016-04-28 2017-11-02 トヨタ自動車株式会社 内燃機関

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774303A (en) * 1966-02-25 1973-11-27 Chain saw starting system
US3881454A (en) * 1972-10-16 1975-05-06 Motobecane Ateliers Two stroke engine construction
US3893440A (en) * 1972-10-26 1975-07-08 Mcculloch Corp Automatic decompression valve to facilitate starting of an internal combustion engine
US3919991A (en) * 1974-01-07 1975-11-18 Mcculloch Corp Automatic decompression device
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
FR2520803B1 (fr) * 1982-02-03 1987-02-20 Pailler Yves Moteur a transferts superieurs aux echappements avec canaux secondaires et chambres de decompression annexes
US5054441A (en) * 1988-06-17 1991-10-08 Mitsubishi Jukogyo Kabushiki Kaisha Decompression device in a two-cycle engine
US5072699A (en) * 1989-07-18 1991-12-17 Pien Pao C Internal combustion engine
US4993372A (en) * 1989-10-19 1991-02-19 Constantin Mott Two stroke internal combustion engine with decompression valve
JP2574292Y2 (ja) * 1992-05-18 1998-06-11 株式会社共立 エンジンのデコンプ装置
US5377642A (en) * 1993-07-19 1995-01-03 Textron Inc. Compression release for an internal combustion engine
US5375570A (en) * 1993-08-31 1994-12-27 Gas Research Institute Engine compression release
US5425346A (en) * 1993-09-14 1995-06-20 Mavinahally; Nagesh S. Performance improvement design for two-stroke engines

Also Published As

Publication number Publication date
JP2000515948A (ja) 2000-11-28
EP0914558B1 (de) 2003-01-15
WO1998004829A1 (en) 1998-02-05
EP0914558A1 (de) 1999-05-12
DE69718475T2 (de) 2003-12-24
AU3815097A (en) 1998-02-20
AU727644B2 (en) 2000-12-21
US5799635A (en) 1998-09-01
EP0914558A4 (de) 1999-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee