EP2602471A3 - Verbrennungsmotor mit Kraftstoffzuführeinrichtung - Google Patents

Verbrennungsmotor mit Kraftstoffzuführeinrichtung Download PDF

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Publication number
EP2602471A3
EP2602471A3 EP12008129.4A EP12008129A EP2602471A3 EP 2602471 A3 EP2602471 A3 EP 2602471A3 EP 12008129 A EP12008129 A EP 12008129A EP 2602471 A3 EP2602471 A3 EP 2602471A3
Authority
EP
European Patent Office
Prior art keywords
pressure
fuel
fuel supply
combustion engine
internal combustion
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
EP12008129.4A
Other languages
English (en)
French (fr)
Other versions
EP2602471B1 (de
EP2602471A2 (de
Inventor
Wolfgang Layher
Christopher Tost
Martin Rieber
Arno Kinnen
Michael Dietenberger
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
Publication of EP2602471A2 publication Critical patent/EP2602471A2/de
Publication of EP2602471A3 publication Critical patent/EP2602471A3/de
Application granted granted Critical
Publication of EP2602471B1 publication Critical patent/EP2602471B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/54—Arrangement of fuel pressure regulators
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • 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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/16—Other means for enriching fuel-air mixture during starting; Priming cups; using different fuels for starting and normal operation
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/16—Feeding by means of driven pumps characterised by provision of personally-, e.g. manually-, operated pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

Ein Verbrennungsmotor (12) besitzt eine Kraftstoffzuführeinrichtung, die eine Kraftstoffpumpe (34), einen Druckdämpfer (35) und ein Einspritzventil (26) besitzt. Der Druckdämpfer (36) besitzt eine Dämpfungsmembran (54), die einen Dämpfungsraum (53) von einem Rückraum (56) trennt. Der Dämpfungsraum (53) ist im Strömungsweg des Kraftstoffs von der Kraftstoffpumpe (34) zum Einspritzventil (26) angeordnet. Der Rückraum (56) des Druckdämpfers (36) ist mit einem ersten Referenzdruck beaufschlagt. Um sicherzustellen, dass die Dämpfungsmembran (54) auch bei geringen Systemdrücken in ihrer Mittellage arbeitet, ist vorgesehen, dass die Kraftstoffzuführeinrichtung einen Druckregler (35) besitzt, der den Druck des von der Kraftstoffpumpe (34) zum Einspritzventil (26) geförderten Kraftstoffs bezogen auf einen zweiten Referenzdruck regelt, wobei der erste und der zweite Referenzdruck aufeinander abgestimmt sind.
EP12008129.4A 2011-12-07 2012-12-05 Verbrennungsmotor mit Kraftstoffzuführeinrichtung Active EP2602471B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011120468A DE102011120468A1 (de) 2011-12-07 2011-12-07 Verbrennungsmotor mit Kraftstoffzuführeinrichtung

Publications (3)

Publication Number Publication Date
EP2602471A2 EP2602471A2 (de) 2013-06-12
EP2602471A3 true EP2602471A3 (de) 2014-12-17
EP2602471B1 EP2602471B1 (de) 2017-03-08

Family

ID=47520658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12008129.4A Active EP2602471B1 (de) 2011-12-07 2012-12-05 Verbrennungsmotor mit Kraftstoffzuführeinrichtung

Country Status (5)

Country Link
US (1) US20130146028A1 (de)
EP (1) EP2602471B1 (de)
JP (1) JP2013119861A (de)
CN (1) CN103174571A (de)
DE (1) DE102011120468A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012007617B4 (de) * 2012-04-18 2014-11-13 Andreas Stihl Ag & Co. Kg Arbeitsgerät mit einer Kraftstoffpumpe
DE102015016484A1 (de) * 2015-12-15 2017-06-22 Andreas Stihl Ag & Co. Kg Manuell zu betätigende Förderpumpe und Kraftstoffsystem mit einer Förderpumpe
JP6730867B2 (ja) * 2016-07-14 2020-07-29 株式会社やまびこ 内燃エンジンによって駆動される刈払機
JPWO2021176813A1 (de) 2020-03-02 2021-09-10
JP2023137435A (ja) * 2022-03-18 2023-09-29 株式会社丸山製作所 ２サイクルエンジン

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805758A (en) * 1971-03-10 1974-04-23 M May Membrane-type fuel injection pump operated and controlled by fluid pressure
US4205637A (en) * 1976-12-13 1980-06-03 Toyota Jidosha Kogyo Kabushiki Kaisha Electronic fuel injection system for an internal combustion engine having electromagnetic valves and a fuel damper upstream thereof
DE3435248A1 (de) * 1984-09-26 1986-04-03 Audi AG, 8070 Ingolstadt Daempfungselement zum daempfen von druckschwingungen in kraftstoffleitungen
EP0280923A2 (de) * 1987-03-06 1988-09-07 WALBRO CORPORATION (Corporation of Delaware) Schwingungsdämpfer eines Verteilers in einem Motor
US5488933A (en) * 1994-02-14 1996-02-06 Pham; Roger N. C. Fuel supply system for miniature engines

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US2091496A (en) * 1935-10-04 1937-08-31 Simplex Mfg Corp Internal combustion engine
US3077921A (en) * 1960-10-17 1963-02-19 Gen Motors Corp Pump-pressure regulator
JPS5311225A (en) * 1976-07-19 1978-02-01 Aisin Seiki Co Ltd Valve device
US4341193A (en) * 1977-11-21 1982-07-27 General Motors Corporation Low pressure throttle body injection apparatus
JPS555429A (en) * 1978-06-23 1980-01-16 Nissan Motor Co Ltd Pressure regulator for fuel injection type gasoline engine
DE3307241A1 (de) * 1983-03-02 1984-09-06 Robert Bosch Gmbh, 7000 Stuttgart Aggregat zum foerdern von kraftstoff, insbesondere aus einem vorratstank zur brennkraftmaschine eines kraftfahrzeugs
US4649884A (en) * 1986-03-05 1987-03-17 Walbro Corporation Fuel rail for internal combustion engines
US4702202A (en) * 1986-08-26 1987-10-27 Brunswick Corporation Low profile internally packaged fuel injection system for two cycle engine
DE3817404C2 (de) * 1988-05-21 1997-08-07 Stihl Maschf Andreas Membrankraftstoffpumpe für einen mit einem Membranvergaser ausgerüsteten Verbrennungsmotor einer Motorkettensäge
US4922866A (en) * 1989-05-25 1990-05-08 Brunswick Corporation Fuel injector assembly
JPH0749008Y2 (ja) * 1989-12-22 1995-11-13 株式会社ユニシアジェックス ローラベーン型燃料ポンプ
US5152269A (en) * 1992-01-31 1992-10-06 Siemens Automotive L.P. Combined fuel pressure regulator and fuel injector device
US5163468A (en) * 1992-02-19 1992-11-17 Siemens Automotive L.P. Fuel pressure regulator
US5265644A (en) * 1992-06-02 1993-11-30 Walbro Corporation Fuel pressure regulator
DE4223757C2 (de) * 1992-07-18 1995-03-09 Stihl Maschf Andreas Kraftstoffeinspritzvorrichtung für einen Verbrennungsmotor
DE4223756C2 (de) * 1992-07-18 1997-01-09 Stihl Maschf Andreas Kraftstoffpumpe für einen Zweitaktmotor
DE4329876B4 (de) * 1993-09-03 2004-07-29 Fa. Andreas Stihl Belüftungsventil für einen Kraftstoffbehälter
US5505181A (en) * 1995-02-13 1996-04-09 Siemens Automotive Corporation Integral pressure damper
JPH08303330A (ja) * 1995-04-28 1996-11-19 Yamaha Motor Co Ltd クランク室圧縮式２サイクルディーゼルエンジン
US5673670A (en) * 1995-07-05 1997-10-07 Ford Motor Company Returnless fuel delivery system
US5967120A (en) * 1996-01-16 1999-10-19 Ford Global Technologies, Inc. Returnless fuel delivery system
JPH11264360A (ja) * 1998-03-19 1999-09-28 Denso Corp 燃料噴射装置
US6901964B2 (en) * 2001-03-30 2005-06-07 Saturn Electronics & Engineering, Inc. Vehicle fuel pulse damper
JP2003097380A (ja) * 2001-09-26 2003-04-03 Keihin Corp 燃料圧力脈動ダンパ
US6651627B2 (en) * 2001-12-12 2003-11-25 Millennium Industries Corp. Fuel rail pulse damper
DE102006027780A1 (de) * 2006-06-16 2007-12-20 Robert Bosch Gmbh Kraftstoffinjektor
WO2008149383A1 (en) * 2007-06-08 2008-12-11 Ucal Fuel Systems Limited Fuel injection system of a vehicle
GB2452766B (en) * 2007-09-14 2010-01-06 Scion Sprays Ltd Internal combustion engine with a fuel injection system
US7520268B1 (en) * 2008-03-18 2009-04-21 Robert Bosch Gmbh Fuel rail damping assembly including an insert
US20110213543A1 (en) * 2008-05-28 2011-09-01 Pc/Rc Products, L.L.C. Integration of electronics fuel regulator in a single unit for 4 cycle engines
DE102008053808B4 (de) * 2008-10-29 2022-05-25 Andreas Stihl Ag & Co. Kg Verfahren und Vorrichtung zum Fluten einer Kraftstoffzumesseinrichtung
CN201316580Y (zh) * 2009-03-16 2009-09-30 杨超 一种金属纤维烧结毡空气滤器
US8397696B2 (en) * 2010-02-02 2013-03-19 Continental Automotive Systems Us, Inc. Comprehensive fuel pressure damper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805758A (en) * 1971-03-10 1974-04-23 M May Membrane-type fuel injection pump operated and controlled by fluid pressure
US4205637A (en) * 1976-12-13 1980-06-03 Toyota Jidosha Kogyo Kabushiki Kaisha Electronic fuel injection system for an internal combustion engine having electromagnetic valves and a fuel damper upstream thereof
DE3435248A1 (de) * 1984-09-26 1986-04-03 Audi AG, 8070 Ingolstadt Daempfungselement zum daempfen von druckschwingungen in kraftstoffleitungen
EP0280923A2 (de) * 1987-03-06 1988-09-07 WALBRO CORPORATION (Corporation of Delaware) Schwingungsdämpfer eines Verteilers in einem Motor
US5488933A (en) * 1994-02-14 1996-02-06 Pham; Roger N. C. Fuel supply system for miniature engines

Also Published As

Publication number Publication date
DE102011120468A1 (de) 2013-06-13
JP2013119861A (ja) 2013-06-17
EP2602471B1 (de) 2017-03-08
CN103174571A (zh) 2013-06-26
EP2602471A2 (de) 2013-06-12
US20130146028A1 (en) 2013-06-13

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