GB507977A - Improvements in or relating to down draught carburettors for internal combustion engines - Google Patents

Improvements in or relating to down draught carburettors for internal combustion engines

Info

Publication number
GB507977A
GB507977A GB2106138A GB2106138A GB507977A GB 507977 A GB507977 A GB 507977A GB 2106138 A GB2106138 A GB 2106138A GB 2106138 A GB2106138 A GB 2106138A GB 507977 A GB507977 A GB 507977A
Authority
GB
United Kingdom
Prior art keywords
nozzle
blades
idling
starting
valve
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
GB2106138A
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 GB2106138A priority Critical patent/GB507977A/en
Publication of GB507977A publication Critical patent/GB507977A/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1005—Details of the flap
    • F02D9/101—Special flap shapes, ribs, bores or the like
    • F02D9/1015—Details of the edge of the flap, e.g. for lowering flow noise or improving flow sealing in closed flap position

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)

Abstract

507,977. Spray carburetters ABRAMSON, A. July 15, 1938, No. 21061. [Class i (iii)] In a downdraught carburetter having a mixing chamber the cross-section of which is varied by blades pivoted about pins disposed below a transverse atomizing nozzle, the blades being pressed by springs on to the nozzle and forming, in the starting and idling position of the throttle valve, through passages for air, the passages, formed between the blades and the bottoms of notches in the nozzle, into which bottoms the fuel discharge apertures open, are proportioned to remain invariable during starting or idling and to produce an air flow adapted to draw out of the nozzle the quantity of fuel requisite for starting or idling. A fuel nozzle 9, disposed transversely of a pair of spring-pressed pivoted blades 7 adapted to separate under engine suction, is cut away at its periphery at 12 to form air passages for idling and starting and the mixture is directed by a rib 14 on the throttle valve 11 towards an aperture 15 in the rib coinciding with an aperture in the edge of the valve. The valve, apart from the abovementioned orifice and one on the opposite edge of the valve, fits closely to the carburetter wall.
GB2106138A 1938-07-15 1938-07-15 Improvements in or relating to down draught carburettors for internal combustion engines Expired GB507977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2106138A GB507977A (en) 1938-07-15 1938-07-15 Improvements in or relating to down draught carburettors for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2106138A GB507977A (en) 1938-07-15 1938-07-15 Improvements in or relating to down draught carburettors for internal combustion engines

Publications (1)

Publication Number Publication Date
GB507977A true GB507977A (en) 1939-06-23

Family

ID=10156530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2106138A Expired GB507977A (en) 1938-07-15 1938-07-15 Improvements in or relating to down draught carburettors for internal combustion engines

Country Status (1)

Country Link
GB (1) GB507977A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057606A (en) * 1960-03-31 1962-10-09 California Research Corp Carburetor
DE1195552B (en) * 1956-01-23 1965-06-24 Sebac Nouvelle S A Soc Carburettors for internal combustion engines
US3785628A (en) * 1971-08-16 1974-01-15 L Lang Device for the implementation of procedures for the decontamination of internal combustion engine exhaust gases
FR2445447A1 (en) * 1978-12-25 1980-07-25 Nissan Motor INLET GAS FLAP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE
US4297302A (en) * 1978-10-07 1981-10-27 Nissan Motor Company, Limited Butterfly throttle valve with a raised upper lip
FR2486591A1 (en) * 1980-07-11 1982-01-15 Aisan Ind VARIABLE CARBURETOR OF VENTURI TYPE FOR INTERNAL COMBUSTION ENGINE
EP0498933A1 (en) * 1991-02-09 1992-08-19 Robert Bosch Gmbh Throttle valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1195552B (en) * 1956-01-23 1965-06-24 Sebac Nouvelle S A Soc Carburettors for internal combustion engines
US3057606A (en) * 1960-03-31 1962-10-09 California Research Corp Carburetor
US3785628A (en) * 1971-08-16 1974-01-15 L Lang Device for the implementation of procedures for the decontamination of internal combustion engine exhaust gases
US4297302A (en) * 1978-10-07 1981-10-27 Nissan Motor Company, Limited Butterfly throttle valve with a raised upper lip
FR2445447A1 (en) * 1978-12-25 1980-07-25 Nissan Motor INLET GAS FLAP ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE
FR2486591A1 (en) * 1980-07-11 1982-01-15 Aisan Ind VARIABLE CARBURETOR OF VENTURI TYPE FOR INTERNAL COMBUSTION ENGINE
EP0498933A1 (en) * 1991-02-09 1992-08-19 Robert Bosch Gmbh Throttle valve

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