SE1750468A1 - Impulse pump - Google Patents

Impulse pump Download PDF

Info

Publication number
SE1750468A1
SE1750468A1 SE1750468A SE1750468A SE1750468A1 SE 1750468 A1 SE1750468 A1 SE 1750468A1 SE 1750468 A SE1750468 A SE 1750468A SE 1750468 A SE1750468 A SE 1750468A SE 1750468 A1 SE1750468 A1 SE 1750468A1
Authority
SE
Sweden
Prior art keywords
pressure pulse
fuel pump
passage
pump diaphragm
pressure
Prior art date
Application number
SE1750468A
Other languages
English (en)
Other versions
SE542006C2 (en
Inventor
Abei Takashi
Kumagai Naoya
Original Assignee
Walbro Llc
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 Walbro Llc filed Critical Walbro Llc
Publication of SE1750468A1 publication Critical patent/SE1750468A1/sv
Publication of SE542006C2 publication Critical patent/SE542006C2/en

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
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/06—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system
    • F02M7/08—Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/02—Floatless carburettors
    • F02M17/04—Floatless carburettors having fuel inlet valve controlled by diaphragm
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/34—Other carburettors combined or associated with other apparatus, e.g. air filters
    • 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
    • F02M37/046—Arrangements for driving diaphragm-type pumps
    • 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
    • F02M37/12—Feeding by means of driven pumps fluid-driven, e.g. by compressed combustion-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Reciprocating Pumps (AREA)
SE1750468A 2014-11-06 2015-11-05 Carburetor comprising a fuel pump activated by pressure pulses SE542006C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462075938P 2014-11-06 2014-11-06
PCT/US2015/059205 WO2016073697A1 (en) 2014-11-06 2015-11-05 Impulse pump

Publications (2)

Publication Number Publication Date
SE1750468A1 true SE1750468A1 (sv) 2017-04-21
SE542006C2 SE542006C2 (en) 2020-02-11

Family

ID=55909793

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1750468A SE542006C2 (en) 2014-11-06 2015-11-05 Carburetor comprising a fuel pump activated by pressure pulses

Country Status (6)

Country Link
US (1) US10260457B2 (sv)
JP (1) JP2017535723A (sv)
CN (1) CN107076056B (sv)
DE (1) DE112015005060T5 (sv)
SE (1) SE542006C2 (sv)
WO (1) WO2016073697A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209163958U (zh) * 2018-07-25 2019-07-26 华益机电有限公司 一种膜片式化油器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569748A (en) 1978-11-20 1980-05-26 Walbro Far East Carburetor
JPS5797155U (sv) 1980-12-07 1982-06-15
DE3903192C2 (de) 1989-02-03 1998-11-19 Stihl Maschf Andreas Membranvergaser für einen Verbrennungsmotor eines handgeführten Arbeitsgerätes
SE509798C2 (sv) 1995-11-29 1999-03-08 Electrolux Ab Membranförgasare
US5711901A (en) 1996-06-05 1998-01-27 Walbro Corporation Carburetor having temperature-compensated purge/primer
JP2000265906A (ja) 1999-03-19 2000-09-26 Zama Japan Kk 気化器の加速装置
JP2001263174A (ja) * 2000-03-17 2001-09-26 Walbro Japan Inc 気化器の燃料供給機構
US6394424B2 (en) 2000-06-06 2002-05-28 Walbro Corporation Carburetor with diaphragm type fuel pump
JP2002285911A (ja) 2001-03-28 2002-10-03 Zama Japan Kk 気化器
US6688585B2 (en) 2002-05-28 2004-02-10 Walbro Engine Management Llc Carburetor for a two-cycle scavenging engine
JP2004028012A (ja) 2002-06-27 2004-01-29 Zama Japan Kk 膜式気化器
US7467785B2 (en) 2006-09-08 2008-12-23 Walbro Engine Management, L.L.C. Auxiliary fuel and air supply in a carburetor
ATE454549T1 (de) 2006-10-17 2010-01-15 Selettra Srl Membranvergaser mit elektromagnetischem stellantrieb
DE202007009475U1 (de) 2007-07-05 2008-11-13 Dolmar Gmbh Anordnung aus einem Luftfilter und einem Membranvergaser

Also Published As

Publication number Publication date
CN107076056B (zh) 2020-03-31
US20170314510A1 (en) 2017-11-02
WO2016073697A1 (en) 2016-05-12
DE112015005060T5 (de) 2017-07-20
CN107076056A (zh) 2017-08-18
US10260457B2 (en) 2019-04-16
SE542006C2 (en) 2020-02-11
JP2017535723A (ja) 2017-11-30

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