GB462333A - Improvements in or relating to carburettors - Google Patents

Improvements in or relating to carburettors

Info

Publication number
GB462333A
GB462333A GB2509635A GB2509635A GB462333A GB 462333 A GB462333 A GB 462333A GB 2509635 A GB2509635 A GB 2509635A GB 2509635 A GB2509635 A GB 2509635A GB 462333 A GB462333 A GB 462333A
Authority
GB
United Kingdom
Prior art keywords
fuel
valve
carburetter
inlet valve
air inlet
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
GB2509635A
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
Priority to GB2509635A priority Critical patent/GB462333A/en
Publication of GB462333A publication Critical patent/GB462333A/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
    • F02M7/12—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
    • 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

462,333. Spray carburetters. GRACE, C. J. Sept. 9, 1935, No. 25096. [Class 7 (iii)] A carburetter comprises an air-inlet valve adapted to be opened by engine suction and mechanically linked to a control for a fuel orifice, or orifices, to open or close it in correspondence with the air inlet valve, and a manually controlled fuel valve in the channel leading to the controlled fuel orifice, which limits the rate of feed of the fuel and accordingly serves as speed and power control device for the carburetter. As applied to a downdraught carburetter, fuel flow from a float chamber 1 is controlled first by a manually operated needle valve 7 before the fuel reaches a passage 8 leading to a second fuel valve 16 mounted on a piston 11 operating in a chamber 13 open to engine suction through a conduit 14. The conduit 14 opens adjacent a constriction in the mixing chamber, formed by a bullet-shaped air inlet valve integral with the piston 11, the suction thus controlling the fuel supply within the limit imposed by the valve 7. Fuel is sprayed from slots 19 between an annulus 18 and a lip on the wall of the mixing chamber opposite the base of the tapered nose of the air inlet valve. When used with a floatless carburetter, fuel is supplied under pressure and a byepass prevents a predetermined maximum pressure from being exceeded. Specification 392,929 is referred to.
GB2509635A 1935-09-09 1935-09-09 Improvements in or relating to carburettors Expired GB462333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2509635A GB462333A (en) 1935-09-09 1935-09-09 Improvements in or relating to carburettors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2509635A GB462333A (en) 1935-09-09 1935-09-09 Improvements in or relating to carburettors

Publications (1)

Publication Number Publication Date
GB462333A true GB462333A (en) 1937-03-08

Family

ID=10222155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2509635A Expired GB462333A (en) 1935-09-09 1935-09-09 Improvements in or relating to carburettors

Country Status (1)

Country Link
GB (1) GB462333A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420439A (en) * 1981-02-10 1983-12-13 Bosch & Pierburg System Ohg Constant pressure carburettors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420439A (en) * 1981-02-10 1983-12-13 Bosch & Pierburg System Ohg Constant pressure carburettors

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