SE1751610A1 - Rotary throttle valve and carburetor - Google Patents

Rotary throttle valve and carburetor Download PDF

Info

Publication number
SE1751610A1
SE1751610A1 SE1751610A SE1751610A SE1751610A1 SE 1751610 A1 SE1751610 A1 SE 1751610A1 SE 1751610 A SE1751610 A SE 1751610A SE 1751610 A SE1751610 A SE 1751610A SE 1751610 A1 SE1751610 A1 SE 1751610A1
Authority
SE
Sweden
Prior art keywords
valve
throttle
throttle valve
lever
bore
Prior art date
Application number
SE1751610A
Other languages
English (en)
Inventor
Tobinai Teruhiko
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 SE1751610A1 publication Critical patent/SE1751610A1/sv

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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/08—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/02—Metering-orifices, e.g. variable in diameter
    • F02M19/021—Metering-orifices, e.g. variable in diameter the cross-sectional area being changed mechanically
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/04—Fuel-metering pins or needles
    • 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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/08—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
    • F02M9/085—Fuel spray nozzles in the throttling valves
    • 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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/12—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
    • 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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/12—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
    • F02M9/123—Spiral springs
    • 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
    • F02D2009/0254—Mechanical control linkage between accelerator lever and throttle valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
SE1751610A 2015-06-25 2016-06-24 Rotary throttle valve and carburetor SE1751610A1 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562184563P 2015-06-25 2015-06-25
PCT/US2016/039324 WO2016210304A1 (en) 2015-06-25 2016-06-24 Rotary throttle valve and carburetor

Publications (1)

Publication Number Publication Date
SE1751610A1 true SE1751610A1 (sv) 2017-12-21

Family

ID=57585833

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1751610A SE1751610A1 (sv) 2015-06-25 2016-06-24 Rotary throttle valve and carburetor

Country Status (5)

Country Link
US (1) US20200032742A1 (sv)
CN (1) CN107787403A (sv)
DE (1) DE112016002833T5 (sv)
SE (1) SE1751610A1 (sv)
WO (1) WO2016210304A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10890140B2 (en) * 2015-02-04 2021-01-12 Walbro Llc Carburetor fuel control
US11118536B2 (en) * 2018-12-17 2021-09-14 Walbro Llc Tamper resistant adjustment valve for a charge forming device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892448U (ja) * 1981-12-18 1983-06-22 株式会社ウオルブロ−・フア−イ−スト ロ−タリスロツトル弁式気化器
JP2001132545A (ja) * 1999-11-04 2001-05-15 Nippon Walbro:Kk 膜型気化器の燃料調整機構
JP2002221097A (ja) * 2001-01-29 2002-08-09 Walbro Japan Inc ロータリ絞り弁式気化器
US7007931B2 (en) * 2002-06-03 2006-03-07 Walbro Japan, Inc. Rotary throttle valve carburetor
US7287741B2 (en) * 2004-02-09 2007-10-30 Walbro Japan, Inc. Rotary throttle valve carburetor
JP2006177322A (ja) * 2004-12-24 2006-07-06 Walbro Japan Inc スロットルバルブ操作装置
JP2008031858A (ja) * 2006-07-26 2008-02-14 Walbro Japan Inc ロータリ絞り弁式気化器の始動装置
US8616179B2 (en) * 2009-11-24 2013-12-31 Lectron, Inc. Rotary throttle valve carburetor
JP5908667B2 (ja) * 2010-02-25 2016-04-26 ザマ・ジャパン株式会社 回転絞り弁式気化器における弁軸の防塵シール構造
US9429109B2 (en) * 2013-07-04 2016-08-30 Husqvarna Ab Carburetor assembly

Also Published As

Publication number Publication date
US20200032742A1 (en) 2020-01-30
CN107787403A (zh) 2018-03-09
DE112016002833T5 (de) 2018-03-08
WO2016210304A1 (en) 2016-12-29

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Legal Events

Date Code Title Description
NAV Patent application has lapsed