GB1511576A - Capacitor discharge ignition circuits - Google Patents

Capacitor discharge ignition circuits

Info

Publication number
GB1511576A
GB1511576A GB4107775A GB4107775A GB1511576A GB 1511576 A GB1511576 A GB 1511576A GB 4107775 A GB4107775 A GB 4107775A GB 4107775 A GB4107775 A GB 4107775A GB 1511576 A GB1511576 A GB 1511576A
Authority
GB
United Kingdom
Prior art keywords
shut
capacitor
coil
ignition
engine
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
GB4107775A
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.)
Mcculloch Corp
Original Assignee
Mcculloch 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
Priority claimed from US05/514,603 external-priority patent/US3960128A/en
Priority claimed from US05/615,514 external-priority patent/US4169446A/en
Application filed by Mcculloch Corp filed Critical Mcculloch Corp
Publication of GB1511576A publication Critical patent/GB1511576A/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

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

1511576 Ignition circuits; engine stopping McCULLOCH CORP 7 Oct 1975 [15 Oct 1974 22 Sept 1975] 41077/75 Headings F1B and F1K A capacitor discharge ignition circuit includes an ignition capacitor 14 charged by the engine responsive rotation of a magnetic member through flux cutting proximity to a charge coil 10, means for effecting discharge of the ignition capacitor 14 by which means the capacitor is substantially discharged through a series circuit including an electronic switch 16 and a high voltage transformer 20 coupled to an ignition spark gap 24 in response to a control signal provided by engine responsive rotation of a magnetic member through flux cutting proximity to a trigger coil 31 and engine shut-off means for selectively loading the flux confining core of at least one of the coils. As shown the engine shut-off means comprises a shut-off coil 32 associated with a switch 48. In a modification the trigger and shut-off coils are arranged in parallel. In Fig. 5 (not shown), a two-legged magnetic core 110 is employed. The tap between the trigger coil 116 and the shut-off coil 118 is connected through a diode to the gate electrode of an SCR 126. The gate electrode may be grounded through the parallel combination of a capacitor 128 and a resistor 130. U.S.A. Specification 3894524 is referred to.
GB4107775A 1974-10-15 1975-10-07 Capacitor discharge ignition circuits Expired GB1511576A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/514,603 US3960128A (en) 1974-10-15 1974-10-15 Capacitor discharge ignition system
US05/615,514 US4169446A (en) 1975-09-22 1975-09-22 CDI Method and system with in phase coils

Publications (1)

Publication Number Publication Date
GB1511576A true GB1511576A (en) 1978-05-24

Family

ID=27058250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4107775A Expired GB1511576A (en) 1974-10-15 1975-10-07 Capacitor discharge ignition circuits

Country Status (6)

Country Link
JP (1) JPS6046267B2 (en)
CA (1) CA1078915A (en)
DE (1) DE2546128C2 (en)
FR (1) FR2288228A1 (en)
GB (1) GB1511576A (en)
SE (1) SE418102B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120462A1 (en) 2011-12-07 2013-06-13 Andreas Stihl Ag & Co. Kg ignition circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484677A (en) * 1966-03-03 1969-12-16 Phelon Co Inc Breakerless magneto ignition system
US3654910A (en) * 1970-08-10 1972-04-11 Systemmatics Inc Capacitor discharge ignition circuit
BE791545A (en) * 1971-11-23 1973-03-16 Brunswick Corp IGNITION SYSTEM EQUIPPED WITH IGNITION ADVANCE STABILIZATION MEANS
DE2242354A1 (en) * 1972-08-29 1974-03-14 Bosch Gmbh Robert IGNITION SYSTEM FOR COMBUSTION MACHINERY
DE2313273A1 (en) * 1973-03-16 1974-09-26 Bosch Gmbh Robert IGNITION SYSTEM WITH STORAGE CAPACITOR FOR COMBUSTION ENGINES

Also Published As

Publication number Publication date
FR2288228A1 (en) 1976-05-14
JPS6046267B2 (en) 1985-10-15
SE418102B (en) 1981-05-04
SE7511321L (en) 1976-04-20
DE2546128C2 (en) 1985-07-04
JPS5231238A (en) 1977-03-09
CA1078915A (en) 1980-06-03
DE2546128A1 (en) 1976-04-29
FR2288228B1 (en) 1980-01-25

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee