GB144680A - Improvements in carburetors - Google Patents

Improvements in carburetors

Info

Publication number
GB144680A
GB144680A GB15620/20A GB1562020A GB144680A GB 144680 A GB144680 A GB 144680A GB 15620/20 A GB15620/20 A GB 15620/20A GB 1562020 A GB1562020 A GB 1562020A GB 144680 A GB144680 A GB 144680A
Authority
GB
United Kingdom
Prior art keywords
fuel
piston
valve
air
vary
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
GB15620/20A
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
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 Individual filed Critical Individual
Publication of GB144680A publication Critical patent/GB144680A/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
    • 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
    • F02M17/14—Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke ; Valve carburettors
    • F02M17/145—Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke ; Valve carburettors the valve being opened by the pressure of the passing fluid
    • 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
    • F02M1/16—Other means for enriching fuel-air mixture during starting; Priming cups; using different fuels for starting and normal operation
    • 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
    • F02M7/22—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves fuel flow cross-sectional area being controlled dependent on air-throttle-valve position
    • 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
    • F02M9/127—Axially movable throttle valves concentric with the axis of the mixture 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
    • 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
    • F02M9/127—Axially movable throttle valves concentric with the axis of the mixture passage
    • F02M9/133—Axially movable throttle valves concentric with the axis of the mixture passage the throttle valves having mushroom-shaped bodies

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

144,680. Booty, P. C. P. Jan. 11, 1918, [Convention date]. Spray carburettors.-A suction-actuated member controls, in a uniform ratio, the air and fuel supplies, and manually adjustable means controllable from a distance are provided to vary such ratio. Air enters at 11, fuel through an orifice 20 in the nozzle 17, and mixture leaves at 12. A suction-actuated piston 36 in an enlargement 14 of the carburettor passage carries loosely from a spider 42 a grooved needle valve 38 and has a depending tubular portion 35 which carries at its lower end an annular piston 37 which serves', in conjunction with an adjustable conical part 34 on the nozzle, to vary the air supply. The pistons 36, 37 are a fairly clooe fit in their casings and the piston 37 is perforated at 46 to prevent fluttering. The fuel valve groove 39 increases in depth downwardly, and at the lower end of the valve is a perforated piston which serves to augment the fuel supply during rapid acceleration. To obtain a rich mixture at starting and to vary the proportion of air to fuel during normal running the cone 34 may be raised manually through a lever 47. Fuel is supplied to the float chamber through a column 23 and is controlled by a valve 25 supported on the float 22. In a modification, the piston 36, in order to prevent leakage past its edge, is provided with a light bellows diaphragm.
GB15620/20A 1918-01-11 1920-06-09 Improvements in carburetors Expired GB144680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US144680XA 1918-01-11 1918-01-11

Publications (1)

Publication Number Publication Date
GB144680A true GB144680A (en) 1921-07-21

Family

ID=21765672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15620/20A Expired GB144680A (en) 1918-01-11 1920-06-09 Improvements in carburetors

Country Status (2)

Country Link
DE (1) DE365244C (en)
GB (1) GB144680A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985839A (en) * 1975-03-31 1976-10-12 Lectron Products, Inc. Carburetor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985839A (en) * 1975-03-31 1976-10-12 Lectron Products, Inc. Carburetor

Also Published As

Publication number Publication date
DE365244C (en) 1922-12-12

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