GB1324313A - Ignition circuits for internal combustion engines - Google Patents

Ignition circuits for internal combustion engines

Info

Publication number
GB1324313A
GB1324313A GB716472A GB716472A GB1324313A GB 1324313 A GB1324313 A GB 1324313A GB 716472 A GB716472 A GB 716472A GB 716472 A GB716472 A GB 716472A GB 1324313 A GB1324313 A GB 1324313A
Authority
GB
United Kingdom
Prior art keywords
current
input
resistor
ignition
control current
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
GB716472A
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB1324313A publication Critical patent/GB1324313A/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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P3/00—Other installations
    • F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
    • F02P3/04—Layout of circuits
    • F02P3/0407—Opening or closing the primary coil circuit with electronic switching means
    • F02P3/0435—Opening or closing the primary coil circuit with electronic switching means with semiconductor devices
    • 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
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/12—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having means for strengthening spark during starting
    • 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
    • F02P3/00—Other installations
    • F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
    • F02P3/04—Layout of circuits
    • F02P3/055—Layout of circuits with protective means to prevent damage to the circuit, e.g. semiconductor devices or the ignition coil
    • F02P3/0552—Opening or closing the primary coil circuit with semiconductor devices

Abstract

1324313 Ignition systems MITSUBISHI DENKI K K 16 Feb 1972 [23 Feb 1971] 7164/72 Heading F1B An ignition system for an internal-combustion engine comprises two current paths for applying electric current to an ignition coil 8 one of the paths containing a resistor 7. A switching circuit 9 having a control current input 10 is provided for controlling current through the ignition coil. The control current input is connected to an input terminal 2 of the path containing the resistor and a uni-directional current conducting device 14 is connected between the control current input and the input of the ignition coil whereby control current can be fed from the other path to the switching circuit 9 without passing through the resistor, when starting the engine. A second uni-directional current conducting device (not shown) may be connected between the central current input and the input terminal of the path containing the resistor. As shown, when starting, the switch 5 is turned to connect the contacts 3 and 4 and the starter motor 13 is energized.
GB716472A 1971-02-23 1972-02-16 Ignition circuits for internal combustion engines Expired GB1324313A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971010838U JPS477528U (en) 1971-02-23 1971-02-23

Publications (1)

Publication Number Publication Date
GB1324313A true GB1324313A (en) 1973-07-25

Family

ID=11761479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB716472A Expired GB1324313A (en) 1971-02-23 1972-02-16 Ignition circuits for internal combustion engines

Country Status (4)

Country Link
US (1) US3821944A (en)
JP (1) JPS477528U (en)
CA (1) CA932383A (en)
GB (1) GB1324313A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1594348A (en) * 1976-10-28 1981-07-30 Lucas Industries Ltd Ignition systems for internal combustion engines
JPS53127023U (en) * 1977-03-18 1978-10-09
JPS5670120A (en) * 1979-11-09 1981-06-11 Meikikou:Kk Bearing structure of roller for conveyor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180997A (en) * 1961-09-21 1965-04-27 Gen Motors Corp Transistor ignition system having primary circuit resistance control
US3173410A (en) * 1962-11-29 1965-03-16 Motorola Inc Electrical system
JPS4329850Y1 (en) * 1966-04-13 1968-12-07
US3434463A (en) * 1967-01-30 1969-03-25 Herbert Bartch Transistorized ignition system

Also Published As

Publication number Publication date
CA932383A (en) 1973-08-21
JPS477528U (en) 1972-09-27
US3821944A (en) 1974-07-02
DE2208598A1 (en) 1972-09-07
DE2208598B2 (en) 1975-08-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years