FR2257791A1 - Carburettor operating with constant vacuum - has a double truncated cone shaped chamber with a restricted inlet - Google Patents

Carburettor operating with constant vacuum - has a double truncated cone shaped chamber with a restricted inlet

Info

Publication number
FR2257791A1
FR2257791A1 FR7435564A FR7435564A FR2257791A1 FR 2257791 A1 FR2257791 A1 FR 2257791A1 FR 7435564 A FR7435564 A FR 7435564A FR 7435564 A FR7435564 A FR 7435564A FR 2257791 A1 FR2257791 A1 FR 2257791A1
Authority
FR
France
Prior art keywords
throttle body
circular
truncated cone
throttle
cone shaped
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.)
Withdrawn
Application number
FR7435564A
Other languages
French (fr)
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.)
LOUIS SIMON BR
Original Assignee
LOUIS SIMON BR
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 LOUIS SIMON BR filed Critical LOUIS SIMON BR
Publication of FR2257791A1 publication Critical patent/FR2257791A1/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F02M1/046—Auxiliary carburetting apparatus controlled by piston 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
    • 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
    • F02M17/08—Carburettors having one or more fuel passages opening in a valve-seat surrounding combustion-air passage, the valve being opened by passing air

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

A fuel supply system has two concentric flow-connected circular channels having a circular cross-section and an open circular slit. The opening of the inlet to the carburretor cchamber is varied in size by a membrane-operated throttle body. A finger rigidly couples the throttle body with a needle-shaped throttle part in the main fuel supply line. The inner circular channel incorporates a heater for preheating the fuel before it leaves the circular slit. The throttle body has a double truncated cone shaped head with an axial cylindrical cutout by means of which it moves on a central guide part having an axial aperture which is flow-connected to an upper vacuum chamber enclosed by a cover and a spring loaded membrane. When the throttle flap is opened, the suction action in the vacuum chamber moves the throttle body upwards and thereby enlarges the inlet opening.
FR7435564A 1973-10-23 1974-10-23 Carburettor operating with constant vacuum - has a double truncated cone shaped chamber with a restricted inlet Withdrawn FR2257791A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR830673A BR7308306D0 (en) 1973-10-23 1973-10-23 CONSTANT VACUUM CARBURETOR

Publications (1)

Publication Number Publication Date
FR2257791A1 true FR2257791A1 (en) 1975-08-08

Family

ID=3941395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435564A Withdrawn FR2257791A1 (en) 1973-10-23 1974-10-23 Carburettor operating with constant vacuum - has a double truncated cone shaped chamber with a restricted inlet

Country Status (5)

Country Link
AR (1) AR201616A1 (en)
BR (1) BR7308306D0 (en)
DE (1) DE2450426A1 (en)
ES (1) ES431304A1 (en)
FR (1) FR2257791A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499629A1 (en) * 1981-02-10 1982-08-13 Bosch Pierburg System Ohg CONSTANT PRESSURE CARBURETOR WITH FALLING FLOW

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492001B2 (en) * 1979-12-06 1987-01-23 Pierburg Gmbh & Co Kg MIXTURE FORMING DEVICE FOR INTERNAL COMBUSTION ENGINES
DE3038706C2 (en) * 1980-10-14 1986-12-11 Pierburg Gmbh & Co Kg, 4040 Neuss Mixture formers for internal combustion engines
JPS6135720Y2 (en) * 1980-08-26 1986-10-17
US4574760A (en) * 1985-01-07 1986-03-11 Ford Motor Company Fuel injection throttle body
DE3902284A1 (en) * 1989-01-26 1990-08-02 Vdo Schindling DEVICE FOR CORRECTING THE MIXTURE COMPOSITION WHEN CHANGING THE LOAD CONDITION OF AN INTERNAL COMBUSTION ENGINE
DE3902283A1 (en) * 1989-01-26 1990-08-02 Vdo Schindling FUEL-AIR MIXTURE FOR COMBUSTION ENGINES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499629A1 (en) * 1981-02-10 1982-08-13 Bosch Pierburg System Ohg CONSTANT PRESSURE CARBURETOR WITH FALLING FLOW

Also Published As

Publication number Publication date
DE2450426A1 (en) 1975-04-24
BR7308306D0 (en) 1975-06-03
AR201616A1 (en) 1975-03-31
ES431304A1 (en) 1976-11-16

Similar Documents

Publication Publication Date Title
FR2257791A1 (en) Carburettor operating with constant vacuum - has a double truncated cone shaped chamber with a restricted inlet
GB1290947A (en)
ES385027A1 (en) Carburetor for internal combustion engines
ES200009U (en) Adjustment device. (Machine-translation by Google Translate, not legally binding)
ES328655A1 (en) Improvements in strangulation organs for valves of water taking. (Machine-translation by Google Translate, not legally binding)
ES232677U (en) Adjustment gasification device for gas lighters
ES154748U (en) Perfected lighter. (Machine-translation by Google Translate, not legally binding)
GB752339A (en) Improvements in and relating to carburettors
ES252977A3 (en) Device for the preparation of mixtures, in particular a carburetor (Machine-translation by Google Translate, not legally binding)
ES376537A1 (en) Fuel injection valve for internal combustion engines
ES257435A1 (en) Gaseous fuel burner of low deflagration speed (Machine-translation by Google Translate, not legally binding)
ES417120A1 (en) Improvements in carburetors for internal combustión engines. (Machine-translation by Google Translate, not legally binding)
GB973400A (en) Improvements relating to compressor valves
ES84650U (en) Device for the supply of explosion-proof motors (Machine-translation by Google Translate, not legally binding)
ES180710U (en) Perfected fuel economizer. (Machine-translation by Google Translate, not legally binding)
ES277614A1 (en) Mechanism applicable to combustión engines for the employment of your force through butane or propane gas (Machine-translation by Google Translate, not legally binding)
FR2374522A1 (en) Variable venturi downdraught carburettor - has mixing chamber receiving from passage defined by relatively movable venturi elements
ES230836U (en) Device for the introduction of additional air in the channel of aspiration of gasoline internal combustión engines. (Machine-translation by Google Translate, not legally binding)
FR2267876A1 (en) Annular extrusion nozzle for expanded plastic - formed by centre body mounted by perforated radial plate in a chamber
GB937626A (en) Improvements relating to carburetors
ES211491A3 (en) An aspiration burner with constant level cuba (Machine-translation by Google Translate, not legally binding)
ES264501A3 (en) Improvements in devices for the supply of explosion engines (Machine-translation by Google Translate, not legally binding)
ES209159A1 (en) Improvements in the construction of burners for gas kitchens (Machine-translation by Google Translate, not legally binding)
ES264310A1 (en) Butane gas mixing machine (Machine-translation by Google Translate, not legally binding)
FR2245238A6 (en) Combustion head for a hearth - sliding fuel control sleeve has cylindrical and conical interior

Legal Events

Date Code Title Description
ST Notification of lapse