DE3727266C2 - Kraftstoffeinspritzvorrichtung für Zweitaktmotoren - Google Patents

Kraftstoffeinspritzvorrichtung für Zweitaktmotoren

Info

Publication number
DE3727266C2
DE3727266C2 DE3727266A DE3727266A DE3727266C2 DE 3727266 C2 DE3727266 C2 DE 3727266C2 DE 3727266 A DE3727266 A DE 3727266A DE 3727266 A DE3727266 A DE 3727266A DE 3727266 C2 DE3727266 C2 DE 3727266C2
Authority
DE
Germany
Prior art keywords
opening
crankcase
injection device
piston
pressure
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
DE3727266A
Other languages
German (de)
English (en)
Other versions
DE3727266A1 (de
Inventor
Werner Dipl Ing Geyer
Roland Dr Dr Ing Schierling
Hans Ing Grad Nickel
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.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
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 Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Priority to DE3727266A priority Critical patent/DE3727266C2/de
Priority to SE8802832A priority patent/SE467750B/sv
Priority to JP63200286A priority patent/JPS6473165A/ja
Priority to US07/231,904 priority patent/US4813391A/en
Publication of DE3727266A1 publication Critical patent/DE3727266A1/de
Application granted granted Critical
Publication of DE3727266C2 publication Critical patent/DE3727266C2/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/107—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive pneumatic drive, e.g. crankcase pressure drive
    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/28—Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
    • 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
DE3727266A 1987-08-15 1987-08-15 Kraftstoffeinspritzvorrichtung für Zweitaktmotoren Expired - Fee Related DE3727266C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3727266A DE3727266C2 (de) 1987-08-15 1987-08-15 Kraftstoffeinspritzvorrichtung für Zweitaktmotoren
SE8802832A SE467750B (sv) 1987-08-15 1988-08-05 Anordning foer styrning av insprutningstidpunkten foer en braensleinsprutningsanordning vid en tvaataktsmotor
JP63200286A JPS6473165A (en) 1987-08-15 1988-08-12 Fuel injector for two cycle engine
US07/231,904 US4813391A (en) 1987-08-15 1988-08-15 Arrangement for injecting fuel for a two-stroke engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3727266A DE3727266C2 (de) 1987-08-15 1987-08-15 Kraftstoffeinspritzvorrichtung für Zweitaktmotoren

Publications (2)

Publication Number Publication Date
DE3727266A1 DE3727266A1 (de) 1989-02-23
DE3727266C2 true DE3727266C2 (de) 1996-05-23

Family

ID=6333849

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3727266A Expired - Fee Related DE3727266C2 (de) 1987-08-15 1987-08-15 Kraftstoffeinspritzvorrichtung für Zweitaktmotoren

Country Status (4)

Country Link
US (1) US4813391A ( )
JP (1) JPS6473165A ( )
DE (1) DE3727266C2 ( )
SE (1) SE467750B ( )

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735711C2 (de) * 1987-10-22 1995-03-16 Stihl Maschf Andreas Zweitaktmotor mit pneumatisch betätigter Einspritzpumpe zum Antrieb eines Arbeitsgerätes
DE4125593A1 (de) * 1991-08-02 1993-02-04 Stihl Maschf Andreas Kraftstoffeinspritzpumpe fuer einen zweitaktmotor in einem arbeitsgeraet, insbesondere einer motorkettensaege
DE9201455U1 ( ) * 1992-02-06 1992-04-02 Fa. Andreas Stihl, 7050 Waiblingen, De
DE4223756C2 (de) * 1992-07-18 1997-01-09 Stihl Maschf Andreas Kraftstoffpumpe für einen Zweitaktmotor
DE4432635A1 (de) * 1994-09-14 1996-03-21 Bosch Gmbh Robert Brennstoffeinspritzvorrichtung für eine Zweitakt-Brennkraftmaschine
DE19524258B4 (de) * 1995-07-04 2006-06-14 Fa. Andreas Stihl Kraftstoffeinspritzvorrichtung für einen Zweitaktmotor
US5682845A (en) * 1995-11-01 1997-11-04 Walbro Corporation Fuel delivery system for hand-held two-stroke cycle engines
DE19631287B4 (de) 1996-08-02 2004-01-15 Robert Bosch Gmbh Kraftstoffpumpvorrichtung für Zweitaktmotoren mit einer zusätzlichen Antriebseinheit
CA2187499A1 (en) * 1996-10-09 1998-04-09 Sylvain Matte Electronic compensation system
JPH10122087A (ja) * 1996-10-16 1998-05-12 Kioritz Corp ２サイクル内燃エンジン
JPH10122102A (ja) * 1996-10-16 1998-05-12 Kioritz Corp ２サイクル内燃エンジン
JPH10131800A (ja) * 1996-10-30 1998-05-19 Kioritz Corp 内燃エンジンの制御装置
US6145484A (en) * 1997-09-02 2000-11-14 Shin-Daiwa Kogyo Co., Ltd. Four-cycle engine having improved lubricating mechanism
CA2223770A1 (en) 1997-12-05 1999-06-05 Bombardier Inc. Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine
US6079379A (en) * 1998-04-23 2000-06-27 Design & Manufacturing Solutions, Inc. Pneumatically controlled compressed air assisted fuel injection system
US6273037B1 (en) 1998-08-21 2001-08-14 Design & Manufacturing Solutions, Inc. Compressed air assisted fuel injection system
US6293235B1 (en) 1998-08-21 2001-09-25 Design & Manufacturing Solutions, Inc. Compressed air assisted fuel injection system with variable effective reflection length
DE10083288B3 (de) * 1999-09-27 2012-08-30 Jtekt Corp. Dichtung und Rotationsanordnung zur Verwendung dieser Dichtung
DE102005002275B4 (de) * 2005-01-18 2015-02-05 Andreas Stihl Ag & Co. Kg Verfahren zum Betrieb eines Einzylinder-Zweitaktmotors
DE102005002272A1 (de) * 2005-01-18 2006-07-20 Andreas Stihl Ag & Co. Kg Zweitaktmotor
DE102008053808B4 (de) * 2008-10-29 2022-05-25 Andreas Stihl Ag & Co. Kg Verfahren und Vorrichtung zum Fluten einer Kraftstoffzumesseinrichtung
JP5873636B2 (ja) * 2011-02-14 2016-03-01 株式会社マキタ エンジン
JP5871742B2 (ja) * 2012-07-30 2016-03-01 本田技研工業株式会社 内燃機関の燃料供給装置
JP6117659B2 (ja) 2013-09-06 2017-04-19 本田技研工業株式会社 遠心ポンプ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481901A (en) * 1945-06-13 1949-09-13 R F Bracke & Company Two-cycle engine and method of operating same
US2935057A (en) * 1958-06-04 1960-05-03 Tecumseh Products Co Pressurized proportional mixing device
JPS5522623B2 ( ) * 1972-11-22 1980-06-18
US3913551A (en) * 1974-01-04 1975-10-21 Raymond Lee Organization Inc Protection device for engine operating on gas-oil mixture
US4381741A (en) * 1981-10-08 1983-05-03 Outboard Marine Corporation Mechanical fuel pressure operated device for supplying a fuel/oil mixture
US4473340A (en) * 1981-10-08 1984-09-25 Outboard Marine Corporation Combined fluid pressure actuated fuel and oil pump
DD228983A3 (de) * 1983-05-30 1985-10-23 Zschopau Motorrad Veb Anordnung und ausbildung einer kolbenpumpe fuer eine zweitakt-brennkraftmaschine mit gemischeinspritzung
BE899765R (fr) * 1983-07-28 1984-09-17 Antoine Hubert Dispositif d'injection de carburant pour moteur a deux temps.
US4551076A (en) * 1983-10-07 1985-11-05 Outboard Marine Corporation Fluid driven pump with one-way valve in fluid inlet
JPS61116028A (ja) * 1984-11-12 1986-06-03 Suzuki Motor Co Ltd ２サイクルエンジンの吸気装置
DE3521772A1 (de) * 1985-06-19 1987-01-02 Stihl Maschf Andreas Verfahren zum einspritzen von kraftstoff bei zweitaktmotoren und vorrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
SE8802832L (sv) 1989-02-16
SE467750B (sv) 1992-09-07
JPS6473165A (en) 1989-03-17
DE3727266A1 (de) 1989-02-23
SE8802832D0 (sv) 1988-08-05
US4813391A (en) 1989-03-21

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee