GB1228132A - - Google Patents

Info

Publication number
GB1228132A
GB1228132A GB1228132DA GB1228132A GB 1228132 A GB1228132 A GB 1228132A GB 1228132D A GB1228132D A GB 1228132DA GB 1228132 A GB1228132 A GB 1228132A
Authority
GB
United Kingdom
Prior art keywords
duct
fuel
venturi
valve
supply
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
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 filed Critical
Publication of GB1228132A publication Critical patent/GB1228132A/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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
    • F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
    • F02M69/20—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device being a servo-motor, e.g. using engine intake air pressure or vacuum
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/28—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for cutting-out the fuel supply to the engine or to main injectors during certain operating periods, e.g. deceleration
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/36—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages
    • F02M69/42—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages using other means than variable fluid pressure, e.g. acting on the fuel metering device mechanically or electrically

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

1,228,132. Regulating I.C. engine fuel supply. JOSEPH LUCAS (INDUSTRIES) Ltd. April 29, 1968 [Feb.2, 1967], No.5109/67. Heading F1B. In a fuel injection system comprising a pump 10 supplying fuel through a duct 11 to a rotary distributer 12 and injectors 13 in the inlet manifold, a spill valve 18 is controlled in response to the pressure drop across a supply duct restriction 20 and the fall in pressure created by an inlet manifold venturi 24. The operation of the spill valve is varied in accordance with air temperature by a temperature responsive spring, which biases the valve member 28a controlling the orifice 28b in the passage 27 connecting the upstream side of the venturi 24 to one chamber of the spill valve diaphragm 26. This chamber communicates with the diaphragm chamber subject to venturi throat pressure through a restriction 26a. Fuel-flow through the duct 11 is also controlled by the knife edge of a lever 32 operated by the capsule 30 communicating with the upstream side of the venturi; capsule 31 being evacuated. A valve 35 manually operable by a control 41 having normal running, idling and shut-off positions and a regulating control 42, control fuel-flow through a duct 33 and the duct 11 to the distributer 12. A further pump may supply fuel to the duct 11 through a duct 15 and change-over valve 16.
GB1228132D 1967-02-02 1967-02-02 Expired GB1228132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB510967 1967-02-02

Publications (1)

Publication Number Publication Date
GB1228132A true GB1228132A (en) 1971-04-15

Family

ID=9789889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228132D Expired GB1228132A (en) 1967-02-02 1967-02-02

Country Status (1)

Country Link
GB (1) GB1228132A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee