GB1286851A - Fuel injection systems - Google Patents

Fuel injection systems

Info

Publication number
GB1286851A
GB1286851A GB45806/69A GB4580669A GB1286851A GB 1286851 A GB1286851 A GB 1286851A GB 45806/69 A GB45806/69 A GB 45806/69A GB 4580669 A GB4580669 A GB 4580669A GB 1286851 A GB1286851 A GB 1286851A
Authority
GB
United Kingdom
Prior art keywords
valve
signal
fuel
unit
controlled
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
GB45806/69A
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.)
Petrol Injection Ltd
Original Assignee
Petrol Injection Ltd
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 Petrol Injection Ltd filed Critical Petrol Injection Ltd
Priority to GB45806/69A priority Critical patent/GB1286851A/en
Priority to AR229595A priority patent/AR203981A1/en
Priority to US46201A priority patent/US3683870A/en
Priority to DE19702030577 priority patent/DE2030577A1/en
Priority to DE19702030458 priority patent/DE2030458A1/en
Priority to SE08702/70A priority patent/SE362116B/xx
Priority to BE752615D priority patent/BE752615A/en
Priority to BE752616D priority patent/BE752616A/en
Priority to FR7023790A priority patent/FR2051386A5/fr
Priority to US50257A priority patent/US3685742A/en
Priority to FR7023789A priority patent/FR2051385A5/fr
Publication of GB1286851A publication Critical patent/GB1286851A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/44Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for supplying extra fuel to the engine on sudden air throttle opening, e.g. at acceleration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/32Controlling fuel injection of the low pressure type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/02Fuel-injection apparatus characterised by being operated electrically specially for low-pressure fuel-injection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0667Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached thereto
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/08Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/14Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period
    • F02M69/145Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period the valves being actuated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30Low-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
    • F02M69/36Low-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
    • F02M69/40Low-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 variably controlled air pressure, e.g. by modifying the intake air vacuum signal acting on the fuel metering device

Abstract

1286851 Fuel injection systems PETROL INJECTION Ltd and H E JACKSON 24 June 1970 [27 June 1969 17 Sept 1969] 32531/69 and 45806/69 Heading G1N [Also in Division F1] In an I. C. engine fuel injection control system, opening pulses are applied from a unit 200 to the injectors 83 at an unvarying constant frequency, the duration of the pulses being controlled by the position of an air valve 4, the pressure of the fuel at the injectors also being controlled by the position of valve 4. In one embodiment, Fig. 2 (not shown), the control unit 200 is an astable multivibrator whose pulse duration is determined by a potentiometer 205 as shown in Fig. 1. In an alternative, Figs.4-8 (not shown), the unit 200 is constituted by a sawtooth generator which produces constant frequency pulses and a signal generator producing a D. C. signal whose magnitude is controlled by the position of valve 4, e.g. by varying an inductance, the sawtooth waveform and the D.C. signal being compared to produce an injector opening signal when the sawtooth waveform exceeds the D.C. signal. As shown, the valve 4 is positioned by detecting the pressure between the valves 1 and 4, via conduit 29, to maintain the depression between 1 and 4 constant by positioning valve 4 via a unit 102 and a piston 8A. The position of valve 4 also controls the pressure of the fuel via conduit 43 and control unit 100 which controls an excess fuel control valve 112, 113. Units 100 and 102 are as described in Specification number 1254181. A valve 101A in line 43 may provide fuel enrichment during starting by controlling valves 66A, 66B.
GB45806/69A 1969-06-27 1969-06-27 Fuel injection systems Expired GB1286851A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB45806/69A GB1286851A (en) 1969-06-27 1969-06-27 Fuel injection systems
AR229595A AR203981A1 (en) 1969-06-27 1970-01-01 FUEL INJECTION EQUIPMENT FOR AN INTERNAL COMBUSTION ENGINE
US46201A US3683870A (en) 1969-06-27 1970-06-15 Fuel injection systems
DE19702030577 DE2030577A1 (en) 1969-06-27 1970-06-20 · Fuel injector assembly for an internal combustion engine
DE19702030458 DE2030458A1 (en) 1969-06-27 1970-06-20 Fuel injection system for an internal combustion engine
SE08702/70A SE362116B (en) 1969-06-27 1970-06-23
BE752615D BE752615A (en) 1969-06-27 1970-06-26 FUEL INJECTION SYSTEMS
BE752616D BE752616A (en) 1969-06-27 1970-06-26 FUEL INJECTORS
FR7023790A FR2051386A5 (en) 1969-06-27 1970-06-26
US50257A US3685742A (en) 1969-06-27 1970-06-26 Fuel injection nozzles
FR7023789A FR2051385A5 (en) 1969-06-27 1970-06-26

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3253169 1969-06-27
GB45806/69A GB1286851A (en) 1969-06-27 1969-06-27 Fuel injection systems

Publications (1)

Publication Number Publication Date
GB1286851A true GB1286851A (en) 1972-08-23

Family

ID=26261433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45806/69A Expired GB1286851A (en) 1969-06-27 1969-06-27 Fuel injection systems

Country Status (7)

Country Link
US (2) US3683870A (en)
AR (1) AR203981A1 (en)
BE (2) BE752616A (en)
DE (2) DE2030577A1 (en)
FR (2) FR2051386A5 (en)
GB (1) GB1286851A (en)
SE (1) SE362116B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617898A (en) * 1981-07-07 1986-10-21 Piper Fm Limited Fuel delivery to internal combustion engines

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916842A (en) * 1970-10-21 1975-11-04 Bosch Gmbh Robert Fuel injection apparatus for internal combustion engines
JPS5414688B1 (en) * 1971-06-17 1979-06-08
FR2146642A6 (en) * 1971-07-21 1973-03-02 Brev Etudes Sibe
DE2246373A1 (en) * 1972-09-21 1974-03-28 Bosch Gmbh Robert ELECTRICALLY CONTROLLED FUEL INJECTION DEVICE FOR COMBUSTION MACHINES WITH A TEMPERATURE COMPENSATED AIR FLOW METER
US3786788A (en) * 1972-05-24 1974-01-22 Nippon Denso Co Fuel injection apparatus for internal combustion engine
US3818877A (en) * 1972-08-24 1974-06-25 Ford Motor Co Signal generating process for use in engine control
DE2249279A1 (en) * 1972-10-07 1974-04-18 Bosch Gmbh Robert AIR FLOW METER FOR A FUEL INJECTION DEVICE
GB1567041A (en) * 1975-11-06 1980-05-08 Allied Chem Fuel injection system
US4393651A (en) * 1980-09-02 1983-07-19 Chandler Evans Inc. Fuel control method and apparatus
IT1155953B (en) * 1982-09-28 1987-01-28 Weber Spa ELECTRONIC FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES
GB8718732D0 (en) * 1987-08-07 1987-09-16 Lucas Ind Plc Fuel injector
US4951878A (en) * 1987-11-16 1990-08-28 Casey Gary L Pico fuel injector valve
DE10251699A1 (en) * 2002-11-06 2004-06-03 Robert Bosch Gmbh metering

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1627727A (en) * 1923-01-29 1927-05-10 James A Charter Constant-compression internal-combustion engine
US2388508A (en) * 1944-03-04 1945-11-06 Timpson Lewis G Morris Nozzle
US2644094A (en) * 1949-04-27 1953-06-30 Kellogg M W Co Pulse generator
US2785669A (en) * 1955-06-20 1957-03-19 Acf Ind Inc Injection carburetion
US2948272A (en) * 1956-11-16 1960-08-09 Bendix Aviat Corp Fuel supply system
FR1308030A (en) * 1961-09-21 1962-11-03 Improvement in washing guns
US3314407A (en) * 1964-09-28 1967-04-18 Holley Carburetor Co Electronic advance for engine ignition systems
DE1277627B (en) * 1966-08-24 1968-09-12 Bosch Gmbh Robert Electronic control device for the manifold injection system of an internal combustion engine
DE1526505A1 (en) * 1966-11-11 1970-04-16 Bosch Gmbh Robert Fuel injection system
FR1546748A (en) * 1967-10-11 1968-11-22 Sibe Improvements in fuel supply devices for internal combustion engines
US3482558A (en) * 1968-01-12 1969-12-09 Acf Ind Inc Fuel injection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617898A (en) * 1981-07-07 1986-10-21 Piper Fm Limited Fuel delivery to internal combustion engines
US4677958A (en) * 1981-07-07 1987-07-07 Piper Fm Limited Fuel delivery to internal combustion engines

Also Published As

Publication number Publication date
BE752616A (en) 1970-12-01
SE362116B (en) 1973-11-26
US3683870A (en) 1972-08-15
DE2030577A1 (en) 1971-01-07
US3685742A (en) 1972-08-22
AR203981A1 (en) 1975-11-12
DE2030458A1 (en) 1971-01-07
BE752615A (en) 1970-12-01
FR2051385A5 (en) 1971-04-02
FR2051386A5 (en) 1971-04-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees