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GB1277698A - Improvements in fuel injection systems for internal combustion engines - Google Patents

Improvements in fuel injection systems for internal combustion engines

Info

Publication number
GB1277698A
GB1277698A GB9049/70A GB904970A GB1277698A GB 1277698 A GB1277698 A GB 1277698A GB 9049/70 A GB9049/70 A GB 9049/70A GB 904970 A GB904970 A GB 904970A GB 1277698 A GB1277698 A GB 1277698A
Authority
GB
United Kingdom
Prior art keywords
detector
transistor
fuel injection
photo
engine
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
GB9049/70A
Inventor
Eric Harold Ford
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.)
Lumenition Ltd
Original Assignee
Lumenition 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 Lumenition Ltd filed Critical Lumenition Ltd
Priority to GB9049/70A priority Critical patent/GB1277698A/en
Priority to US00202979A priority patent/US3810448A/en
Publication of GB1277698A publication Critical patent/GB1277698A/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
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/073—Optical pick-up devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2075—Type of transistors or particular use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

1277698 Photo-electric IC engine fuel injection control LUMENITION Ltd 19 April 1971 [25 Feb 1970] 9049/70 Addition to 1244630 Heading G1A In a fuel injection arrangement for an I. C. engine wherein an apertured opaque element is moved between a source of radiation and a detector in timed relation to the engine speed to expose the detector to and cut it off from the radiation in order to control the injection of a desired quantity of fuel, and which includes a transistor amplifier, there is provided between the detector and the switching means an odd numbered plurality of transistor stages T 1 -T 3 , Fig.3, arranged in cascade to switch in inverse relation to one another. The collector circuit resistors R 1 -R 4 may have the following relationship R 2 = n R 1 , R 3 = n<SP>2</SP>R1 and R4 = n<SP>3</SP>R1. The transistor photo-detector may be connected as one transistor of a Darlington pair the output of which is connected to the base of T 1 through a pair of series diodes to raise the voltage across the pair. The photo-electric pulse generating attachment comprises a disc 4, having slots 8 for a multi-cylinder engine the sides of which are not radial, mounted in a casing 2, Fig.1 on which the source 10 and detector 48 are mounted on a disc 9 with provision for positional adjustment both radially and circumferentially.
GB9049/70A 1969-11-06 1970-02-25 Improvements in fuel injection systems for internal combustion engines Expired GB1277698A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9049/70A GB1277698A (en) 1970-02-25 1970-02-25 Improvements in fuel injection systems for internal combustion engines
US00202979A US3810448A (en) 1969-11-06 1971-11-29 Fuel injection systems for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9049/70A GB1277698A (en) 1970-02-25 1970-02-25 Improvements in fuel injection systems for internal combustion engines

Publications (1)

Publication Number Publication Date
GB1277698A true GB1277698A (en) 1972-06-14

Family

ID=9864421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9049/70A Expired GB1277698A (en) 1969-11-06 1970-02-25 Improvements in fuel injection systems for internal combustion engines

Country Status (1)

Country Link
GB (1) GB1277698A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127087A (en) * 1975-09-19 1978-11-28 Plessey Handel Und Investments Ag Electronic drive signal distribution arrangement for a fuel injection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127087A (en) * 1975-09-19 1978-11-28 Plessey Handel Und Investments Ag Electronic drive signal distribution arrangement for a fuel injection system

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429J Application withdrawn (sect. 29/1949)
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee