EP2230395A3 - Carburettor for a combustion engine - Google Patents

Carburettor for a combustion engine Download PDF

Info

Publication number
EP2230395A3
EP2230395A3 EP10002100.5A EP10002100A EP2230395A3 EP 2230395 A3 EP2230395 A3 EP 2230395A3 EP 10002100 A EP10002100 A EP 10002100A EP 2230395 A3 EP2230395 A3 EP 2230395A3
Authority
EP
European Patent Office
Prior art keywords
lever
throttle
choke
combustion engine
carburettor
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
EP10002100.5A
Other languages
German (de)
French (fr)
Other versions
EP2230395A2 (en
EP2230395B1 (en
Inventor
Sebastian Hänssler
Stefan Kummermehr
Stefan Borchert
Alexander Kraus
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 EP2230395A2 publication Critical patent/EP2230395A2/en
Publication of EP2230395A3 publication Critical patent/EP2230395A3/en
Application granted granted Critical
Publication of EP2230395B1 publication Critical patent/EP2230395B1/en
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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/02—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being chokes for enriching fuel-air mixture
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0205—Arrangements; Control features; Details thereof working on the throttle valve and another valve, e.g. choke

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

Ein Vergaser (1) für einen Verbrennungsmotor umfasst in einem Vergasergehäuse (2) einen Gemischaufbereitungskanal (3) mit einer Drosselklappe (4) und einer Chokeklappe (22), die jeweils drehbar angeordnet sind. Eine Hebelanordnung umfasst einen auf einer Drosselklappenwelle (5) befestigten Gasstellhebel (7) und einen auf einer Chokewelle (8) befestigten Chokestellhebel (9). Die Drosselklappe (4) und die Chokeklappe sind in mehreren Betriebsstellungen einstellbar. Es ist eine Vorrichtung zur Entriegelung zwischen dem Gasstellhebel (7) und dem Chokestellhebel (9) bei einer Notaus-Betätigung vorgesehen.

Figure imgaf001
A carburetor (1) for an internal combustion engine comprises in a carburetor housing (2) a mixture treatment passage (3) having a throttle valve (4) and a choke flap (22), each of which is rotatably arranged. A lever assembly comprises a throttle lever (7) mounted on a throttle shaft (5) and a choke lever (9) mounted on a choke shaft (8). The throttle valve (4) and the choke flap are adjustable in several operating positions. It is a device for unlocking between the throttle lever (7) and the Chokestellhebel (9) provided in an emergency stop operation.
Figure imgaf001
EP10002100.5A 2009-03-21 2010-03-02 Carburettor for a combustion engine Active EP2230395B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009014362A DE102009014362A1 (en) 2009-03-21 2009-03-21 Carburettor for an internal combustion engine

Publications (3)

Publication Number Publication Date
EP2230395A2 EP2230395A2 (en) 2010-09-22
EP2230395A3 true EP2230395A3 (en) 2014-04-02
EP2230395B1 EP2230395B1 (en) 2017-05-31

Family

ID=42229097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10002100.5A Active EP2230395B1 (en) 2009-03-21 2010-03-02 Carburettor for a combustion engine

Country Status (5)

Country Link
US (1) US8356805B2 (en)
EP (1) EP2230395B1 (en)
JP (1) JP5486975B2 (en)
CN (1) CN101839192B (en)
DE (1) DE102009014362A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009000831U1 (en) * 2009-01-22 2010-06-17 Dolmar Gmbh Carburettor unit for a motor unit
DE102010048773A1 (en) * 2010-10-16 2012-04-19 Andreas Stihl Ag & Co. Kg carburettor
DE102012019128A1 (en) * 2012-09-28 2014-04-03 Andreas Stihl Ag & Co. Kg Adjustment lock for an adjustment screw on a carburetor
US10125696B2 (en) * 2015-04-14 2018-11-13 Walbro Llc Charge forming device with throttle valve adjuster

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305223A (en) * 1965-09-30 1967-02-21 Briggs & Stratton Corp Carburetor with improved choke valve control
JPS60141439U (en) * 1984-02-28 1985-09-19 富士重工業株式会社 engine control device
DE10006947A1 (en) * 1999-02-18 2000-08-24 Walbro Corp Throttle valve and starting valve control mechanism for carburetor, with lock having coupling with backlash between starting valve and fast idling lever
EP1092860A2 (en) * 1999-10-14 2001-04-18 Deere & Company Carburettor and power tool
JP2002364458A (en) * 2001-06-01 2002-12-18 Zama Japan Kk Carburetor
JP2005048669A (en) * 2003-07-29 2005-02-24 Kioritz Corp Backpack unit

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328010A (en) * 1965-12-23 1967-06-27 Holley Carburetor Co Carburetor
US3575385A (en) * 1969-04-10 1971-04-20 Acf Ind Inc Throttle linkage mechanism for a multistage carburetor
US3807709A (en) * 1970-09-24 1974-04-30 Nippon Denso Co Carburetor
JPS59155544A (en) * 1983-02-25 1984-09-04 Nippon Carbureter Co Ltd Apparatus for operating throttle valve used for controlling quantity of intake air of engine
JPS63289247A (en) * 1987-05-22 1988-11-25 Walbro Far East Inc Operating device for carburetor
CA1321933C (en) * 1988-06-29 1993-09-07 Kazuyuki Kobayashi Control apparatus for an engine
DE3842974A1 (en) * 1988-12-21 1990-06-28 Stihl Maschf Andreas DIAPHRAGM CARBURETTOR WITH POSITIONALLY COUPLED THROTTLE VALVE AND CHOKE VALVE
DE4117554B4 (en) * 1991-05-29 2004-05-27 Walbro Gmbh Carburetor for an internal combustion engine, in particular a chain saw
SE502893C2 (en) * 1994-06-01 1996-02-12 Electrolux Ab Device for regulating a carburetor for an internal combustion engine
JPH10141139A (en) * 1996-11-06 1998-05-26 Mitsubishi Heavy Ind Ltd Choke valve operating device of rotary throttle valve type carburetor
US6000683A (en) * 1997-11-26 1999-12-14 Walbro Corporation Carburetor throttle and choke control mechanism
JP3864027B2 (en) * 2000-02-10 2006-12-27 株式会社共立 Intake control mechanism
DE20009208U1 (en) * 2000-05-22 2000-08-03 Dolmar GmbH, 22045 Hamburg System for operating a carburetor of an internal combustion engine
US6439547B1 (en) * 2001-03-05 2002-08-27 Walbro Corporation Carburetor throttle and choke control mechanism
JP4414115B2 (en) * 2001-08-03 2010-02-10 本田技研工業株式会社 Carburetor choke valve device
DE10145293B4 (en) * 2001-09-14 2012-04-05 Andreas Stihl Ag & Co. carburetor arrangement
JP2004176634A (en) * 2002-11-27 2004-06-24 Walbro Japan Inc Carburetor for stratified scavenging
US6848405B1 (en) * 2003-07-17 2005-02-01 Walbro Engine Management , L.L.C. Self-relieving choke starting system for a combustion engine carburetor
JP2005155525A (en) * 2003-11-27 2005-06-16 Zama Japan Co Ltd Carburetor with manual choke mechanism
US7144000B2 (en) * 2004-08-24 2006-12-05 Briggs & Stratton Corporation Automatic choke for an engine
JP2006077706A (en) * 2004-09-10 2006-03-23 Walbro Japan Inc Starting device for carburetor
US20070240892A1 (en) * 2005-11-04 2007-10-18 Black & Decker Inc. Cordless outdoor power tool system
US7699294B2 (en) * 2007-04-20 2010-04-20 Walbro Engine Management, L.L.C. Charge forming device with idle and open throttle choke control
CN201092901Y (en) * 2007-07-31 2008-07-30 重庆宗申技术开发研究有限公司 Carburetor capable of automatically closing wind-proof door
CN201170141Y (en) * 2008-01-21 2008-12-24 陈俭敏 Carburetor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305223A (en) * 1965-09-30 1967-02-21 Briggs & Stratton Corp Carburetor with improved choke valve control
JPS60141439U (en) * 1984-02-28 1985-09-19 富士重工業株式会社 engine control device
DE10006947A1 (en) * 1999-02-18 2000-08-24 Walbro Corp Throttle valve and starting valve control mechanism for carburetor, with lock having coupling with backlash between starting valve and fast idling lever
EP1092860A2 (en) * 1999-10-14 2001-04-18 Deere & Company Carburettor and power tool
JP2002364458A (en) * 2001-06-01 2002-12-18 Zama Japan Kk Carburetor
JP2005048669A (en) * 2003-07-29 2005-02-24 Kioritz Corp Backpack unit

Also Published As

Publication number Publication date
CN101839192B (en) 2014-05-28
EP2230395A2 (en) 2010-09-22
US20100283161A1 (en) 2010-11-11
US8356805B2 (en) 2013-01-22
DE102009014362A1 (en) 2010-09-23
CN101839192A (en) 2010-09-22
JP5486975B2 (en) 2014-05-07
EP2230395B1 (en) 2017-05-31
JP2010223232A (en) 2010-10-07

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