GB1465839A - Ignition system for internal combustion engines - Google Patents

Ignition system for internal combustion engines

Info

Publication number
GB1465839A
GB1465839A GB656974A GB656974A GB1465839A GB 1465839 A GB1465839 A GB 1465839A GB 656974 A GB656974 A GB 656974A GB 656974 A GB656974 A GB 656974A GB 1465839 A GB1465839 A GB 1465839A
Authority
GB
United Kingdom
Prior art keywords
ignition
power transistor
reed relay
coils
switch
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
GB656974A
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1465839A publication Critical patent/GB1465839A/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
    • 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
    • F02P15/02—Arrangements having two or more sparking plugs

Abstract

1465839 Ignition systems; ignition plugs HITACHI Ltd 13 Feb 1974 [16 Feb 1973] 6569/74 Heading F1B An ignition system for an internal combustion engine includes a plurality of ignition plugs 5A to 5D adapted for connection to respective cylinders of the engine (not shown) a plurality of ignition coils 4A to 4D each disposed in close proximity to its respective ignition plug, each of the ignition coils having a primary winding and a secondary winding and connecting means for connecting the secondary winding to its associated ignition plug. The system also includes a power transistor 2 for controlling the primary winding of each ignition coil in turn, distributing means 3 having reed relay switches 3A-3D associated respectively with the ignition coils and reed relay energizing means 3E for energizing the reed relay switches in a predetermined sequence in synchronism with the rotation of the engine, each of the primary windings of the ignition coils being successively and selectively connected to the power transistor 2 through its associated reed relay switch so as to supply the ignition coils with energy derived from a power supply 1 to which the system is connected, in the predetermined sequence. Power transistor control means 7 is arranged to switch the power transistor 2 so as to abruptly change the voltage across the primary winding and to generate a high voltage in the secondary winding of the selected ignition coil, the reed relay energizing means 3E and the power transistor control means 7 being operated to turn on the power transistor 2 after the reed relay switch is switched on and to switch off the reed relay switch after the power transistor is turned off as shown, an ignition spark is produced each time the primary current of the associated ignition coil is interrupted. In a modification (not shown) the system is of the capacitor discharge type, the capacitor being discharged through each primary winding in turn under control of the power transistor. The ignition coils may be mounted on the ignition plugs or on the cylinder head.
GB656974A 1973-02-16 1974-02-13 Ignition system for internal combustion engines Expired GB1465839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48018267A JPS49108436A (en) 1973-02-16 1973-02-16

Publications (1)

Publication Number Publication Date
GB1465839A true GB1465839A (en) 1977-03-02

Family

ID=11966874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB656974A Expired GB1465839A (en) 1973-02-16 1974-02-13 Ignition system for internal combustion engines

Country Status (3)

Country Link
JP (1) JPS49108436A (en)
DE (1) DE2406629A1 (en)
GB (1) GB1465839A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066749A1 (en) * 1981-06-01 1982-12-15 Aisin Seiki Kabushiki Kaisha Ignition system for internal-combustion engines
EP0069889A2 (en) * 1981-07-03 1983-01-19 Nissan Motor Co., Ltd. Ignition system for an internal combustion engine
EP0095708A1 (en) * 1982-06-01 1983-12-07 Aisin Seiki Kabushiki Kaisha Ignition system

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329855Y2 (en) * 1973-04-05 1978-07-26
JPS5153132A (en) * 1974-10-16 1976-05-11 Hitachi Ltd NAINENKI KANTENKA SOCHI
JPS51129929U (en) * 1975-04-11 1976-10-20
JPS51129935U (en) * 1975-04-11 1976-10-20
JPS51144837A (en) * 1975-06-06 1976-12-13 Mitsubishi Motors Corp Ignition system for engine
JPS51156319U (en) * 1975-06-06 1976-12-13
JPS51149430A (en) * 1975-06-17 1976-12-22 Mitsubishi Motors Corp Ignition device for engine
US4269152A (en) * 1978-05-22 1981-05-26 The Bendix Corporation Breakerless pulse distribution system and opto-electrical distributor therefor
JPS5823270A (en) * 1981-08-03 1983-02-10 Nissan Motor Co Ltd Ignition device for internal combustion engine
JPS5934482A (en) * 1982-08-21 1984-02-24 Mitsubishi Electric Corp Ignition system for internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066749A1 (en) * 1981-06-01 1982-12-15 Aisin Seiki Kabushiki Kaisha Ignition system for internal-combustion engines
EP0069889A2 (en) * 1981-07-03 1983-01-19 Nissan Motor Co., Ltd. Ignition system for an internal combustion engine
EP0069889A3 (en) * 1981-07-03 1984-01-18 Nissan Motor Company, Limited Ignition system for an internal combustion engine
US4502454A (en) * 1981-07-03 1985-03-05 Nissan Motor Company, Limited Ignition system for an internal combustion engine
EP0095708A1 (en) * 1982-06-01 1983-12-07 Aisin Seiki Kabushiki Kaisha Ignition system

Also Published As

Publication number Publication date
JPS49108436A (en) 1974-10-15
DE2406629A1 (en) 1974-09-05

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed