GB1265677A - - Google Patents

Info

Publication number
GB1265677A
GB1265677A GB1265677DA GB1265677A GB 1265677 A GB1265677 A GB 1265677A GB 1265677D A GB1265677D A GB 1265677DA GB 1265677 A GB1265677 A GB 1265677A
Authority
GB
United Kingdom
Prior art keywords
spark plug
magnet
capacitor
core
voltage
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
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 filed Critical
Publication of GB1265677A publication Critical patent/GB1265677A/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
    • F02P1/00—Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage
    • F02P1/08—Layout of circuits
    • F02P1/086—Layout of circuits for generating sparks by discharging a capacitor into a coil circuit
    • 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
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
    • F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

1,265,677. Ignition systems. BRIGGS & STRATTON CORP. April 2, 1969 [Aug. 23, 1968], No. 17237/69. Heading F1B. The invention relates to an ignition system comprising inductance means 12 connected with a spark plug 7 and a capacitor 9, discharge of the capacitor generating a voltage in the inductance means to fire the spark plug. Switching means 16 is operable to control the time of discharge of the capacitor and thereby control the initiation of spark plug firing. The system comprises a magnet 6 carried by a movable part 5 on the engine for motion in timed relation to the engine and a core 15 which co-operates with the magnet and which is in flux linking relationship with at least part of the inductance means, for generating a voltage in the latter, the core being so arranged with respect to the magnet that such voltage is generated immediately following discharge of the capacitor so that it provides for prolongation of the period of spark plug firing when the voltage required to maintain spark plug firing is low. In a modification (not shown) the ignition coil windings 13, 14 are on a separate core and a separate winding and core are associated with the magnet 6.
GB1265677D 1968-08-23 1969-04-02 Expired GB1265677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75487468A 1968-08-23 1968-08-23

Publications (1)

Publication Number Publication Date
GB1265677A true GB1265677A (en) 1972-03-01

Family

ID=25036750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1265677D Expired GB1265677A (en) 1968-08-23 1969-04-02

Country Status (7)

Country Link
US (1) US3498281A (en)
JP (1) JPS4814454B1 (en)
BE (1) BE733181A (en)
CH (1) CH501833A (en)
DE (1) DE1926952B2 (en)
FR (1) FR2016230A1 (en)
GB (1) GB1265677A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432098A1 (en) * 1978-07-28 1980-02-22 Fiat Auto Spa CAPACITIVE DISCHARGE IGNITION DEVICE

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667441A (en) * 1969-05-16 1972-06-06 Outboard Marine Corp Capacitor discharge ignition system with automatic spark advance
US3612948A (en) * 1969-10-09 1971-10-12 Brunswick Corp Electrical pulse triggered systems
SE367897B (en) * 1971-09-01 1974-06-10 Svenska Electromagneter
US4019485A (en) * 1971-12-03 1977-04-26 Aktiebolaget Svenska Electromagneter Flywheel magneto having capacitive ignition system
DE2207639C3 (en) * 1972-02-18 1979-07-12 Robert Bosch Gmbh, 7000 Stuttgart Magnet generator for ignition systems of internal combustion engines
US3941111A (en) * 1973-09-10 1976-03-02 Syncro Corporation Ignition system
US5197448A (en) * 1991-08-23 1993-03-30 Massachusetts Institute Of Technology Dual energy ignition system
US11692502B2 (en) * 2017-03-30 2023-07-04 Mahle International Gmbh Engine ignition method and engine ignition device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234446B (en) * 1962-03-10 1967-02-16 Bosch Gmbh Robert Ignition system for operating internal combustion engines
US3326199A (en) * 1964-08-10 1967-06-20 Bosch Arma Corp Magneto ignition system for internal combustion engines and the like
US3447521A (en) * 1967-06-22 1969-06-03 Phelon Co Inc Breakerless ignition system with automatic spark advance using triggering coil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432098A1 (en) * 1978-07-28 1980-02-22 Fiat Auto Spa CAPACITIVE DISCHARGE IGNITION DEVICE

Also Published As

Publication number Publication date
DE1926952A1 (en) 1970-02-26
CH501833A (en) 1971-01-15
FR2016230A1 (en) 1970-05-08
BE733181A (en) 1969-11-03
JPS4814454B1 (en) 1973-05-08
DE1926952B2 (en) 1977-07-14
US3498281A (en) 1970-03-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees