GB594494A - Improvements in variable jet carburettors for variable speed internal combustion engines - Google Patents

Improvements in variable jet carburettors for variable speed internal combustion engines

Info

Publication number
GB594494A
GB594494A GB1485245A GB1485245A GB594494A GB 594494 A GB594494 A GB 594494A GB 1485245 A GB1485245 A GB 1485245A GB 1485245 A GB1485245 A GB 1485245A GB 594494 A GB594494 A GB 594494A
Authority
GB
United Kingdom
Prior art keywords
switch
suction
variable
throttle
closes
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
GB1485245A
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB594494A publication Critical patent/GB594494A/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
    • F02M3/00—Idling devices for carburettors
    • F02M3/02—Preventing flow of idling fuel
    • F02M3/04—Preventing flow of idling fuel under conditions where engine is driven instead of driving, e.g. driven by vehicle running down hill
    • F02M3/045—Control of valves situated in the idling nozzle system, or the passage system, by electrical means or by a combination of electrical means with fluidic or mechanical means
    • 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
    • F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
    • F02M7/14—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle
    • F02M7/16—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle operated automatically, e.g. dependent on exhaust-gas analysis
    • F02M7/17—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle operated automatically, e.g. dependent on exhaust-gas analysis by a pneumatically adjustable piston-like element, e.g. constant depression carburettors

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)

Abstract

594,494. Spray carburetters. ELLIS, R. G. June 12, 1945, Nos. 14852 and 19299. [Class 7 (iii)] An overrunning device in a carburetter of the type having a fuel jet controlled by a needle valve attached to a suction-actuated piston, comprises speed responsive means for reducing the suction on the fuel jet when the throttle is closed with the engine running at high speeds. In Fig. 1, release of the accelerating pedal. 9 to close the throttle 10 closes a switch 8 so that at speed a solenoid 1 is energised from an engine-driven dynamo 6 and maintains the fuelregulating piston assembly 3 retracted in its fully-open position against the tendency of the valve to close due to the drop in suction. The switch 8 comprises a bridge portion 8a, attached to a rod 8b connected.to the accelerating pedal, which closes the contacts 8e. A hand operated switch 7 is provided to cut out the dynamo when manoeuvring the vehicle. A modification for a downdraught carburetter has a switch mechanism formed by two spring strips provided with contact points.
GB1485245A 1945-06-12 Improvements in variable jet carburettors for variable speed internal combustion engines Expired GB594494A (en)

Publications (1)

Publication Number Publication Date
GB594494A true GB594494A (en) 1947-11-12

Family

ID=1731074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1485245A Expired GB594494A (en) 1945-06-12 Improvements in variable jet carburettors for variable speed internal combustion engines

Country Status (1)

Country Link
GB (1) GB594494A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059235B (en) * 1957-10-04 1959-06-11 Daimler Benz Ag Device for regulating the amount of fuel in injection pumps of internal combustion engines, in particular gasoline injection engines
US3703888A (en) * 1969-12-01 1972-11-28 Bosch Gmbh Robert Device for the fuel quantity control in response to operational variables of an internal combustion engine
US3744346A (en) * 1972-03-17 1973-07-10 Gen Motors Corp Transmission controlled power enrichment override apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059235B (en) * 1957-10-04 1959-06-11 Daimler Benz Ag Device for regulating the amount of fuel in injection pumps of internal combustion engines, in particular gasoline injection engines
US3703888A (en) * 1969-12-01 1972-11-28 Bosch Gmbh Robert Device for the fuel quantity control in response to operational variables of an internal combustion engine
US3744346A (en) * 1972-03-17 1973-07-10 Gen Motors Corp Transmission controlled power enrichment override apparatus

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