GB1459354A - Internal combustion engine ignition systems - Google Patents

Internal combustion engine ignition systems

Info

Publication number
GB1459354A
GB1459354A GB4927074A GB4927074A GB1459354A GB 1459354 A GB1459354 A GB 1459354A GB 4927074 A GB4927074 A GB 4927074A GB 4927074 A GB4927074 A GB 4927074A GB 1459354 A GB1459354 A GB 1459354A
Authority
GB
United Kingdom
Prior art keywords
ignition
micro
seconds
range
primary winding
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
GB4927074A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB1459354A publication Critical patent/GB1459354A/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
    • F02P3/055—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

1459354 Ignition systems GENERAL MOTORS CORP 14 Nov 1974 [23 Nov 1973] 49270/74 Heading F1B An ignition system includes an ignition coil 25 having a secondary winding to primary winding turns ratio selected to provide an ignition spark potential having a predetermined rise time, and an electrical switching device 31 connected in series with the ignition coil primary winding 27 has a metal oxide varistor 60 connected in shunt across it. As shown the electrical switching device 31 is a transistor. The ignition arc may be maintained across each sparking-plug for a time within a range of 700 to 1800 micro-seconds and the ignition coil may have a secondary to primary winding turns ratio within a range of 40:1 to 60:1 inclusive, to provide an ignition spark potential of a rapid rise time within a range of 30 to 45 microseconds. The ignition arc may be maintained across each sparking-plug for a time of the order of 800 micro-seconds and the ignition spark potential may have a rapid rise time of the order of 40 micro-seconds.
GB4927074A 1973-11-23 1974-11-14 Internal combustion engine ignition systems Expired GB1459354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00418248A US3824977A (en) 1973-11-23 1973-11-23 Internal combustion engine ignition system

Publications (1)

Publication Number Publication Date
GB1459354A true GB1459354A (en) 1976-12-22

Family

ID=23657330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4927074A Expired GB1459354A (en) 1973-11-23 1974-11-14 Internal combustion engine ignition systems

Country Status (7)

Country Link
US (1) US3824977A (en)
JP (1) JPS50112630A (en)
CA (1) CA1041596A (en)
DE (1) DE2455201A1 (en)
FR (1) FR2252498B1 (en)
GB (1) GB1459354A (en)
IT (1) IT1023310B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968778A (en) * 1974-08-16 1976-07-13 General Motors Corporation Electronic internal combustion engine ignition spark vacuum and speed advance system with ignition dwell time directly proportional to engine speed
US3972310A (en) * 1974-08-16 1976-08-03 General Motors Corporation Electronic internal combustion engine ignition spark vacuum and speed advance system
US3991730A (en) * 1975-01-30 1976-11-16 Chrysler Corporation Noise immune reset circuit for resetting the integrator of an electronic engine spark timing controller
US4395999A (en) * 1977-04-20 1983-08-02 Mckechnie Ian C Electronic ignition system
US4677960A (en) * 1984-12-31 1987-07-07 Combustion Electromagnetics, Inc. High efficiency voltage doubling ignition coil for CD system producing pulsed plasma type ignition
DE3734080A1 (en) * 1987-10-08 1989-04-20 Beru Werk Ruprecht Gmbh Co A Transistor ignition device for an internal combustion engine
JP2941028B2 (en) * 1990-09-26 1999-08-25 ヤマハ発動機株式会社 Ignition system for two-cycle engine
DE69128079T2 (en) * 1991-07-04 1998-05-20 Hitachi Ltd Induction discharge principle ignition device for an internal combustion engine
EP0663526B1 (en) * 1994-01-12 2010-03-31 Denso Corporation Internal combustion engine ignition system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196313A (en) * 1965-07-20 Ignition circuit with sustained spark
GB1213661A (en) * 1967-01-23 1970-11-25 Lucas Industries Ltd Spark ignition systems for internal combustion engines
US3605713A (en) * 1970-05-18 1971-09-20 Gen Motors Corp Internal combustion engine ignition system

Also Published As

Publication number Publication date
CA1041596A (en) 1978-10-31
FR2252498A1 (en) 1975-06-20
IT1023310B (en) 1978-05-10
FR2252498B1 (en) 1976-10-22
JPS50112630A (en) 1975-09-04
US3824977A (en) 1974-07-23
DE2455201A1 (en) 1975-06-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee