GB474697A - Improved carburettor for internal combustion engines - Google Patents

Improved carburettor for internal combustion engines

Info

Publication number
GB474697A
GB474697A GB23522/36A GB2352236A GB474697A GB 474697 A GB474697 A GB 474697A GB 23522/36 A GB23522/36 A GB 23522/36A GB 2352236 A GB2352236 A GB 2352236A GB 474697 A GB474697 A GB 474697A
Authority
GB
United Kingdom
Prior art keywords
passage
jet
fuel
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
GB23522/36A
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.)
Gamain SA Des Atel
Original Assignee
Gamain SA Des Atel
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 Gamain SA Des Atel filed Critical Gamain SA Des Atel
Publication of GB474697A publication Critical patent/GB474697A/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
    • F02M7/23—Fuel aerating devices
    • F02M7/24—Controlling flow of aerating air
    • F02M7/26—Controlling flow of aerating air dependent on position of optionally operable throttle 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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/04—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being auxiliary carburetting apparatus able to be put into, and out of, operation, e.g. having automatically-operated disc valves
    • F02M1/043—Auxiliary carburetting apparatus controlled by rotary sliding 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
    • 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
    • F02M3/043—Devices as described in F02M3/005, F02M3/041, F02M3/042, F02M3/045, F02M3/05 and F02M3/055 and also equipped with additional air

Abstract

474,697. Spray carburetters. SOC. ANON. DES ATELIERS GAMAIN. Aug. 27, 1936, No. 23522. Convention date, Aug. 27, 1935. [Class 7 (iii)] In a carburetter having a suction pipe carrying a float chamber cover and a float chamber carrying main and auxiliary fuel jets, opening movement of the throttle valve closes a conduit leading from the atmosphere to the auxiliary fuel jet. The fuel enters the main jet 13 through a calibrated orifice 13a and. is aerated by air admitted through holes 16a and a passage 16 before being discharged through an orifice 18a. An auxiliary jet 14 is supplied with fuel through a calibrated orifice 14b and aerated with air supplied through a conduit 19 before being discharged through a nozzle 14a. As the throttle opens a cam 5 reduces the supply of aerating air through the conduit 19. Both the normal and the auxiliary fuel jets have reserves of fuel which are drawn into the suction pipe during acceleration. During starting, a valve 20 having an arcuate groove 28 is rotated to allow a starting jet to deliver rich mixture through passages 23, 24 to the engine side of the throttle 4. When the engine is to be used as a brake, the valve 20 is rotated to admit air from a port 26 through the groove 28 and passage 24; simultaneously an orifice 30 in the valve, leading to the atmosphere is brought into register with a passage 25 connected to the idling passage 25a.
GB23522/36A 1935-08-27 1936-08-27 Improved carburettor for internal combustion engines Expired GB474697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE474697X 1935-08-27

Publications (1)

Publication Number Publication Date
GB474697A true GB474697A (en) 1937-11-05

Family

ID=3870215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23522/36A Expired GB474697A (en) 1935-08-27 1936-08-27 Improved carburettor for internal combustion engines

Country Status (1)

Country Link
GB (1) GB474697A (en)

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