GB944148A - Improvements in or relating to fuel injection systems for internal combustion engines - Google Patents

Improvements in or relating to fuel injection systems for internal combustion engines

Info

Publication number
GB944148A
GB944148A GB19366/60A GB1936660A GB944148A GB 944148 A GB944148 A GB 944148A GB 19366/60 A GB19366/60 A GB 19366/60A GB 1936660 A GB1936660 A GB 1936660A GB 944148 A GB944148 A GB 944148A
Authority
GB
United Kingdom
Prior art keywords
transistor
conducting
transistors
engine
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
GB19366/60A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB944148A publication Critical patent/GB944148A/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
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/10—Introducing corrections for particular operating conditions for acceleration
    • F02D41/107—Introducing corrections for particular operating conditions for acceleration and deceleration
    • 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
    • F02D41/30—Controlling fuel injection

Abstract

944,148. Transistor switching circuits. ROBERT BOSCH G.m.b.H. June 1, 1960 [June 26, 1959], No. 19366/60. Heading H3T. [Also in Divisions F1 and G1] The duration of fuel injection time for an I.C. engine is controlled by a transistor monostable relaxation oscillator in accordance with the degree of vacuum in the inlet manifold. The control circuit for the injection valves comprises two transistors 35, 36 connected as a relaxation oscillator with 36 normally conducting. A cam-operated switch 43 driven by the engine shaft produces a pulse on the base of transistor 35, causing transistors 35, 36 to change over, until 36 is again conducting after a delay determined by the inductance of coil 53 whose magnetic circuit includes an armature 54 movable by a rod 55 attached to a diaphragm sensitive to the degree of vacuum. Whilst transistor 36 is blocked, the change in potential at junction A blocks transistor 34 and allows transistors 37, 38, 39 to conduct, whereby winding 31 of valve 21 is energized and raises valve cone 101 to allow fuel to be fed into the cylinder. The valve 21 closes when transistor 36 reverts to its stable conducting condition. When the engine is rotating at higher speeds, the rate of change of flux in coil 53 produces an induced voltage which modifies the time during which transistor 35 is conducting. The pulse durations can also be altered, or switches S1, S2 associated with transistor 35.
GB19366/60A 1959-06-26 1960-06-01 Improvements in or relating to fuel injection systems for internal combustion engines Expired GB944148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB53765A DE1175033B (en) 1959-06-26 1959-06-26 Fuel injection system for internal combustion engines

Publications (1)

Publication Number Publication Date
GB944148A true GB944148A (en) 1963-12-11

Family

ID=6970373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19366/60A Expired GB944148A (en) 1959-06-26 1960-06-01 Improvements in or relating to fuel injection systems for internal combustion engines

Country Status (5)

Country Link
US (1) US2992640A (en)
CH (1) CH378593A (en)
DE (1) DE1175033B (en)
FR (1) FR1260316A (en)
GB (1) GB944148A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170072A (en) * 1960-11-21 1965-02-16 Westinghouse Electric Corp Multivibrator for television deflection circuit
US3217171A (en) * 1961-05-15 1965-11-09 Gen Electric Variable frequency oscillator
US3237020A (en) * 1961-07-21 1966-02-22 Fischer & Porter Co Alarm apparatus employing a monostable multivibrator that retains its astable state longer than an input cycle
US3205372A (en) * 1962-08-02 1965-09-07 Sperry Rand Corp Schmitt trigger circuit characterized by noise insensitivity
DE1206204B (en) * 1963-10-04 1965-12-02 Bosch Gmbh Robert Electrically controlled fuel injection system for internal combustion engines
DE1220179B (en) * 1963-10-17 1966-06-30 Bosch Gmbh Robert Arrangement for the limit speed measurement of a shaft
DE1231954B (en) * 1964-01-11 1967-01-05 Bosch Gmbh Robert Electrical control device equipped with a monostable multivibrator for operating the intake manifold injection system of an internal combustion engine
US3491256A (en) * 1965-02-08 1970-01-20 Hanscom Genevieve I Monostable multivibrator
FR1448064A (en) * 1965-04-29 1966-08-05 Injection control method and device
DE1588032A1 (en) * 1966-03-18 1970-06-25 Biviator Sa Electrical limiting circuit
FR1485621A (en) * 1966-04-13 1967-06-23 Enhancements to electronic injector devices and injectors used with these devices
CH434874A (en) * 1966-04-14 1967-04-30 Huber Robert Injection device for injecting fuel into the intake manifold of spark-ignition internal combustion engines
SE315770B (en) * 1966-08-31 1969-10-06 Bosch Gmbh Robert
US3756204A (en) * 1969-06-16 1973-09-04 Hitachi Ltd Fuel injection system for internal combustion engines
DE2034067A1 (en) * 1970-07-09 1972-01-20 Bosch Gmbh Robert Electronic fuel consumption meter
DE2034497C3 (en) * 1970-07-11 1975-11-20 Bosch Gmbh Robert Electrically controlled, intermittently working fuel injection system for internal combustion engines
US3724431A (en) * 1970-07-13 1973-04-03 Diesel Kike K K Electromagnetic fuel injection device for internal combustion engines
US3732853A (en) * 1971-08-27 1973-05-15 Gen Motors Corp Electronic fuel injection system having high speed compensation
US3789816A (en) * 1973-03-29 1974-02-05 Bendix Corp Lean limit internal combustion engine roughness control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807244A (en) * 1956-10-10 1957-09-24 Bendix Aviat Corp Cold start overspeed control for fuel injection system
US2864354A (en) * 1956-10-25 1958-12-16 Bendix Aviat Corp Fuel supply system
US2884916A (en) * 1957-12-13 1959-05-05 Bendix Aviat Corp Fuel supply system

Also Published As

Publication number Publication date
FR1260316A (en) 1961-05-05
US2992640A (en) 1961-07-18
DE1175033B (en) 1964-07-30
CH378593A (en) 1964-06-15

Similar Documents

Publication Publication Date Title
GB944148A (en) Improvements in or relating to fuel injection systems for internal combustion engines
GB1474592A (en) Device for controlling the instant of ignition in ignition systems of internal combustion engines
GB1038541A (en) Fuel injection systems for internal combustion engines
GB1289662A (en)
GB1304262A (en)
GB1272595A (en) Fuel injection systems
GB1090471A (en) Improvements in electrical control devices
GB858967A (en) Improvements in fuel injection systems for internal combustion engines
GB1164747A (en) Device for cold Starting for Internal Combustion Engines
GB1083551A (en) Contactless ignition devices
GB892487A (en) Improvements in or relating to fuel injection systems for internal combustion engines
GB904461A (en) Improvements in or relating to fuel injection systems for internal combustion engines
GB1329630A (en) Internal combustion engine fuel control system
GB931932A (en) Internal combustion engine ignition systems
GB1078278A (en) Improvements in fuel injection systems
GB904687A (en) Internal combustion engine ignition system
GB1133540A (en) Improvements in or relating to fuel injection systems
GB1320289A (en) Internal combustion engine fuel injection systems
US2934050A (en) Driver circuit for fuel injector
GB905086A (en) Improvements in or relating to fuel injection system for internal combustion engines
GB1133195A (en) Improvements in fuel injection systems
GB1163678A (en) Improvements in Ignition Systems for an Internal Combustion Engine.
US3623461A (en) Controlled fuel injection arrangement for internal combustion engines
GB1445709A (en) Electrically controlled fuel injection systems for internal combustion engines
GB1292565A (en) A fuel supply control system having acceleration compensation