GB1404582A - Spark ignition systems for internal combustion engines - Google Patents

Spark ignition systems for internal combustion engines

Info

Publication number
GB1404582A
GB1404582A GB4362071A GB4362071A GB1404582A GB 1404582 A GB1404582 A GB 1404582A GB 4362071 A GB4362071 A GB 4362071A GB 4362071 A GB4362071 A GB 4362071A GB 1404582 A GB1404582 A GB 1404582A
Authority
GB
United Kingdom
Prior art keywords
switching device
primary winding
transformer
ignition
internal combustion
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
GB4362071A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co 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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB4362071A priority Critical patent/GB1404582A/en
Publication of GB1404582A publication Critical patent/GB1404582A/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
    • F02P3/05—Layout of circuits for control of the magnitude of the current in the ignition coil
    • F02P3/051—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

1404582 Ignition systems LUCAS ELECTRICAL CO Ltd 21 Aug 1972 [18 Sept 1971] 43620/71 Heading F1B An ignition system comprises means operable when the switching device in the primary circuit 16 of the ignition transformer 14 is switched on, to increase the voltage across the series circuit of the primary winding and switching device for a predetermined period of time so as to increase the rate at which current flow in the primary winding builds up. As shown the conduction of the switching device results in turning on a further switching device 24 to supply current to the primary winding 23 of a step up transformer 22 the secondary winding 21 of the step up transformer boosting the voltage across the primary winding of the ignition transformer and the first mentioned switching device conduction of the first switching device energizes a pulse generator 26 which turns on the further switching device 24.
GB4362071A 1971-09-18 1971-09-18 Spark ignition systems for internal combustion engines Expired GB1404582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4362071A GB1404582A (en) 1971-09-18 1971-09-18 Spark ignition systems for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4362071A GB1404582A (en) 1971-09-18 1971-09-18 Spark ignition systems for internal combustion engines

Publications (1)

Publication Number Publication Date
GB1404582A true GB1404582A (en) 1975-09-03

Family

ID=10429575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4362071A Expired GB1404582A (en) 1971-09-18 1971-09-18 Spark ignition systems for internal combustion engines

Country Status (1)

Country Link
GB (1) GB1404582A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee