DE3812949A1 - Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten - Google Patents

Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten

Info

Publication number
DE3812949A1
DE3812949A1 DE3812949A DE3812949A DE3812949A1 DE 3812949 A1 DE3812949 A1 DE 3812949A1 DE 3812949 A DE3812949 A DE 3812949A DE 3812949 A DE3812949 A DE 3812949A DE 3812949 A1 DE3812949 A1 DE 3812949A1
Authority
DE
Germany
Prior art keywords
throttle
check valve
volume
injection device
space
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.)
Granted
Application number
DE3812949A
Other languages
German (de)
English (en)
Other versions
DE3812949C2 (
Inventor
Roland Dr Ing Schierling
Werner Dipl Ing Geyer
Micheal Dipl Ing Wissmann
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 DE3812949A priority Critical patent/DE3812949A1/de
Priority to SE8801892A priority patent/SE467749B/sv
Priority to FR888807177A priority patent/FR2619418B1/fr
Priority to JP63131783A priority patent/JPS6460770A/ja
Priority to US07/202,817 priority patent/US4807573A/en
Priority to CA000568914A priority patent/CA1303443C/en
Priority to IT20906/88A priority patent/IT1217817B/it
Publication of DE3812949A1 publication Critical patent/DE3812949A1/de
Application granted granted Critical
Publication of DE3812949C2 publication Critical patent/DE3812949C2/de
Granted 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
    • 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)
  • Fuel-Injection Apparatus (AREA)
DE3812949A 1987-08-15 1988-04-19 Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten Granted DE3812949A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE3812949A DE3812949A1 (de) 1987-08-15 1988-04-19 Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten
SE8801892A SE467749B (sv) 1987-08-15 1988-05-20 Insprutningsanordning foer tvaataktsmotorer i baerbara arbetsredskap
FR888807177A FR2619418B1 (fr) 1987-08-15 1988-05-30 Dispositif d'injection pour des moteurs deux temps d'outillages portatifs
JP63131783A JPS6460770A (en) 1987-08-15 1988-05-31 Injecotr for two cycle engine of portable type working device
US07/202,817 US4807573A (en) 1987-08-15 1988-06-06 Fuel injection arrangement for a two-stroke engine
CA000568914A CA1303443C (en) 1987-08-15 1988-06-08 Fuel injection arrangement for a two-stroke engine
IT20906/88A IT1217817B (it) 1987-08-15 1988-06-09 Dispositivo d,iniezione per motori a due tempi di apparecchi da lacoro portatili

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3727268 1987-08-15
DE3812949A DE3812949A1 (de) 1987-08-15 1988-04-19 Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten

Publications (2)

Publication Number Publication Date
DE3812949A1 true DE3812949A1 (de) 1989-02-23
DE3812949C2 DE3812949C2 ( ) 1991-11-28

Family

ID=25858704

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3812949A Granted DE3812949A1 (de) 1987-08-15 1988-04-19 Einspritzvorrichtung fuer zweitaktmotoren von tragbaren arbeitsgeraeten

Country Status (7)

Country Link
US (1) US4807573A ( )
JP (1) JPS6460770A ( )
CA (1) CA1303443C ( )
DE (1) DE3812949A1 ( )
FR (1) FR2619418B1 ( )
IT (1) IT1217817B ( )
SE (1) SE467749B ( )

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129574C1 ( ) * 1991-09-06 1992-12-10 Fa. Andreas Stihl, 7050 Waiblingen, De
EP0952334A3 (en) * 1998-04-23 2003-02-05 Design & Manufacturing Solutions, Inc. Pneumatically controlled compressed air assisted fuel injection system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125593A1 (de) * 1991-08-02 1993-02-04 Stihl Maschf Andreas Kraftstoffeinspritzpumpe fuer einen zweitaktmotor in einem arbeitsgeraet, insbesondere einer motorkettensaege
DE9206687U1 (de) * 1992-05-16 1993-09-16 Fa. Andreas Stihl, 71336 Waiblingen Einspritzvorrichtung für einen Zweitaktmotor
AUPN391595A0 (en) * 1995-06-30 1995-07-27 Orbital Engine Company (Australia) Proprietary Limited Improvements to fuel pumps
US5682845A (en) * 1995-11-01 1997-11-04 Walbro Corporation Fuel delivery system for hand-held two-stroke cycle engines
US5613475A (en) * 1996-03-07 1997-03-25 Firey; Joseph C. Gasoline fuel injector compensator
US5700402A (en) * 1996-11-08 1997-12-23 Jones; James S. Crankcase fuel injection system for two-cycle internal combustion engines
JP4405664B2 (ja) * 2000-12-28 2010-01-27 株式会社ミクニ ダイアフラム式燃料ポンプ
FR2821387B1 (fr) * 2001-02-28 2003-05-02 Inst Francais Du Petrole Dispositif pour introduire un melange carbure dans une chambre de combustion d'un moteur a combustion interne, notamment d'un moteur a deux temps
DE102008053808B4 (de) * 2008-10-29 2022-05-25 Andreas Stihl Ag & Co. Kg Verfahren und Vorrichtung zum Fluten einer Kraftstoffzumesseinrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521772A1 (de) * 1985-06-19 1987-01-02 Stihl Maschf Andreas Verfahren zum einspritzen von kraftstoff bei zweitaktmotoren und vorrichtung zur durchfuehrung des verfahrens

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1325670A (fr) * 1962-03-01 1963-05-03 Utilisation Ration Gaz Procédé de transformation de l'énergie d'un fluide en mouvement sous pression en énergie mécanique et applications de ce procédé
US3190271A (en) * 1964-01-27 1965-06-22 Mcculloch Corp Fuel-air injection system for internal combustion engines
US3698368A (en) * 1970-03-13 1972-10-17 Yamaha Motor Co Ltd Fuel feed device for an internal combustion engine
DE2034816A1 (de) * 1970-07-14 1972-01-20 Audi NSU Auto Union AG, 7107 Neckars ulm Forder und Dosierpumpe
US3913551A (en) * 1974-01-04 1975-10-21 Raymond Lee Organization Inc Protection device for engine operating on gas-oil mixture
US4300509A (en) * 1980-10-06 1981-11-17 Ford Motor Company Fuel injection and control systems
US4552101A (en) * 1983-02-07 1985-11-12 Outboard Marine Corporation Fluid pressure actuated motor with pneumatically-coupled pistons
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521772A1 (de) * 1985-06-19 1987-01-02 Stihl Maschf Andreas Verfahren zum einspritzen von kraftstoff bei zweitaktmotoren und vorrichtung zur durchfuehrung des verfahrens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129574C1 ( ) * 1991-09-06 1992-12-10 Fa. Andreas Stihl, 7050 Waiblingen, De
EP0952334A3 (en) * 1998-04-23 2003-02-05 Design & Manufacturing Solutions, Inc. Pneumatically controlled compressed air assisted fuel injection system

Also Published As

Publication number Publication date
DE3812949C2 ( ) 1991-11-28
CA1303443C (en) 1992-06-16
SE467749B (sv) 1992-09-07
FR2619418A1 (fr) 1989-02-17
US4807573A (en) 1989-02-28
SE8801892D0 (sv) 1988-05-20
JPS6460770A (en) 1989-03-07
FR2619418B1 (fr) 1992-08-07
SE8801892L (sv) 1989-02-16
IT1217817B (it) 1990-03-30
IT8820906A0 (it) 1988-06-09

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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