GB1415211A - Carburettor with a piston valve - Google Patents

Carburettor with a piston valve

Info

Publication number
GB1415211A
GB1415211A GB156973A GB156973A GB1415211A GB 1415211 A GB1415211 A GB 1415211A GB 156973 A GB156973 A GB 156973A GB 156973 A GB156973 A GB 156973A GB 1415211 A GB1415211 A GB 1415211A
Authority
GB
United Kingdom
Prior art keywords
piston valve
nozzle
bridge piece
fuel
duct
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
GB156973A
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 GB1415211A publication Critical patent/GB1415211A/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
    • 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
    • F02M9/02—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 throttling valves, e.g. of piston shape, slidably arranged transversely to the 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
    • 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

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

1415211 Spray carburetters P AUGUST 11 Jan 1973 [13 Jan 1972] 1569/73 Heading F1B In a carburetter having a piston valve 4, Fig. 1 and a bridge piece 5, one surface of the piston valve together with an adjacent surface of the bridge piece define a duct having a converging section and a diverging section, the duct thus having the form of a Laval nozzle. At low idling speeds fuel passes via ducts 10 and 8 into the slot 6 formed between the piston valve 4 and the bridge piece 5 to be atomized by air passing from inlet 2 to outlet 3. As the piston valve opens additional fuel passes through ducts 9. Fuel from a float chamber (not shown) passes via duct 11, jet 12 and mixing pipe 13, where it is mixed with air from nozzle 14, and the mixture passes through a convergent/divergent nozzle formed between a needle 15 and a nozzle element 16 where the fuel atomization is increased. A further cowling 17 may be fitted to improve atomization. Slot 6 may be formed partially in the piston valve and bridge piece or wholly in the latter. The main nozzle system may comprise a plurality of convergent/divergent nozzles.
GB156973A 1972-01-13 1973-01-11 Carburettor with a piston valve Expired GB1415211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722201471 DE2201471A1 (en) 1972-01-13 1972-01-13 CARBURETOR WITH PISTON VALVE

Publications (1)

Publication Number Publication Date
GB1415211A true GB1415211A (en) 1975-11-26

Family

ID=5832899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB156973A Expired GB1415211A (en) 1972-01-13 1973-01-11 Carburettor with a piston valve

Country Status (4)

Country Link
DE (1) DE2201471A1 (en)
FR (1) FR2173945A1 (en)
GB (1) GB1415211A (en)
IT (1) IT977600B (en)

Also Published As

Publication number Publication date
DE2201471A1 (en) 1973-07-26
IT977600B (en) 1974-09-20
FR2173945A1 (en) 1973-10-12

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees