CA1060293A - Back draft carburetor for two-cycle engines - Google Patents

Back draft carburetor for two-cycle engines

Info

Publication number
CA1060293A
CA1060293A CA251,660A CA251660A CA1060293A CA 1060293 A CA1060293 A CA 1060293A CA 251660 A CA251660 A CA 251660A CA 1060293 A CA1060293 A CA 1060293A
Authority
CA
Canada
Prior art keywords
fuel
vacuum source
carburetor
throttle valve
orifice
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.)
Expired
Application number
CA251,660A
Other languages
English (en)
French (fr)
Inventor
James R. Meininger
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.)
Brunswick Corp
Original Assignee
Brunswick Corp
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 Brunswick Corp filed Critical Brunswick Corp
Application granted granted Critical
Publication of CA1060293A publication Critical patent/CA1060293A/en
Expired 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
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/10—Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means
    • F02M7/11—Altering float-chamber pressure
    • 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
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
    • 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
    • F02M7/23—Fuel aerating devices
    • 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
    • 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/67—Carburetors with vented bowl

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
CA251,660A 1975-06-11 1976-05-03 Back draft carburetor for two-cycle engines Expired CA1060293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/585,864 US4040399A (en) 1975-06-11 1975-06-11 Back draft carburetor for two cycle engines

Publications (1)

Publication Number Publication Date
CA1060293A true CA1060293A (en) 1979-08-14

Family

ID=24343289

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,660A Expired CA1060293A (en) 1975-06-11 1976-05-03 Back draft carburetor for two-cycle engines

Country Status (6)

Country Link
US (1) US4040399A (enExample)
JP (1) JPS5237632A (enExample)
AU (1) AU506668B2 (enExample)
CA (1) CA1060293A (enExample)
FR (1) FR2314368A1 (enExample)
GB (1) GB1545916A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1104376B (it) * 1978-01-30 1985-10-21 Oleo Mac Spa Dispositivo particolarmente per carburatori del tipo a membrana atto ad assicurare il corretto funzionamento del corrispondente motore a scoppio anche quando quest ultimo e parzialmente ovvero completamente immerso in un liquido in particolare acqua
JPS5540258A (en) * 1978-09-14 1980-03-21 Toyota Motor Corp Carbureter
US4254064A (en) * 1979-08-02 1981-03-03 Kohler Co. Carburetor starting mixture control
JPS5728852A (en) * 1980-07-26 1982-02-16 Fuji Heavy Ind Ltd Fuel reduction apparatus of carburetor
US4376738A (en) * 1981-09-11 1983-03-15 Reinmuth A I Carburetion control apparatus
GB8724612D0 (en) * 1987-10-21 1987-11-25 Barrus Ltd E P Carburettor
US4836506A (en) * 1988-04-04 1989-06-06 Brunswick Corporation Valve control for back draft carburetor
US4971004A (en) * 1989-08-24 1990-11-20 Brunswick Corporation Deceleration enrichener system
US5273008A (en) * 1992-08-17 1993-12-28 Tecumseh Products Company Balance vent for an internally vented float bowl carbuetor
US5309875A (en) * 1992-12-24 1994-05-10 Tecumseh Products Company Internally vented float bowl carburetor having a cold start vent conduit
US8333366B2 (en) * 2010-03-08 2012-12-18 Briggs & Stratton Corporation Carburetor including one-piece fuel-metering insert
US10018136B1 (en) 2017-05-17 2018-07-10 Brunswick Corporation Method and control system for controlling a marine internal combustion engine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620827A (en) * 1927-03-15 Carburetor
US1505565A (en) * 1915-11-26 1924-08-19 Chester F Johnson Carburetor
US1785681A (en) * 1925-03-14 1930-12-16 Goudard Felix Carburetor
US1799585A (en) * 1925-10-06 1931-04-07 Ensign Carburetor Company Carburetor
US1805763A (en) * 1926-06-22 1931-05-19 Ensign Carburetor Co Ltd Carburetor
US1740917A (en) * 1926-07-07 1929-12-24 Myron Hurbough Carburetor for internal-combustion engines
US2023647A (en) * 1930-03-15 1935-12-10 Schmid Carl Carburetor
FR703060A (fr) * 1930-03-15 1931-04-23 Dispositif applicable aux carburateurs pour moteurs à combustion de tous genres à charge variable
US1945189A (en) * 1931-11-23 1934-01-30 Bendix Aviat Corp Carburetor
US2029142A (en) * 1933-03-15 1936-01-28 Wemhoner Wilhelm Carburetor for combustion engines
US2750171A (en) * 1953-11-02 1956-06-12 Holley Carburetor Co Carburetor
US2752136A (en) * 1953-11-23 1956-06-26 Holley Carburetor Co Carburetor control valve
US2906251A (en) * 1956-07-25 1959-09-29 Outboard Marine & Mfg Co Fuel economizing speed control for engines
US3037751A (en) * 1959-07-20 1962-06-05 Tillotson Mfg Co Charge forming method and apparatus
JPS432648Y1 (enExample) * 1964-12-28 1968-02-03
JPS4984532U (enExample) * 1972-11-10 1974-07-22

Also Published As

Publication number Publication date
FR2314368A1 (fr) 1977-01-07
GB1545916A (en) 1979-05-16
AU506668B2 (en) 1980-01-17
US4040399A (en) 1977-08-09
JPS5237632A (en) 1977-03-23
JPS618269B2 (enExample) 1986-03-13
FR2314368B1 (enExample) 1978-09-01
AU1390676A (en) 1977-11-17

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