GB1392688A - Capacitor discharge ignition system for use with an internal combustion engine - Google Patents

Capacitor discharge ignition system for use with an internal combustion engine

Info

Publication number
GB1392688A
GB1392688A GB4555373A GB4555373A GB1392688A GB 1392688 A GB1392688 A GB 1392688A GB 4555373 A GB4555373 A GB 4555373A GB 4555373 A GB4555373 A GB 4555373A GB 1392688 A GB1392688 A GB 1392688A
Authority
GB
United Kingdom
Prior art keywords
discharge
capacitor
timer circuit
main storage
ignition
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
GB4555373A
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB1392688A publication Critical patent/GB1392688A/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
    • F02P3/06—Other installations having capacitive energy storage
    • F02P3/08—Layout of circuits
    • F02P3/0876—Layout of circuits the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance
    • F02P3/0884—Closing the discharge circuit of the storage capacitor 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

1392688 Ignition systems MOTOROLA Inc 28 Sept 1973 [14 Dec 1972] 45553/73 Heading F1B A capacitor discharge ignition system has a main ignition system 12 with a main storage capacitor 60 and spark duration extending circuitry 14 including an auxiliary capacitor 84 coupled to the ignition coil 68 of the main ignition system and to the charging apparatus of the main storage capacitor so as to be charged by this apparatus. A controlled switch arrangement 92 is connected electrically to the auxiliary capacitor for discharging the auxiliary capacitor and a timer circuit 104 is coupled electrically to the controlled switch arrangement, the timer circuit being operable in response to the discharge of the main storage capacitor to operate the controlled switch arrangement for discharging the auxiliary capacitor into the ignition coil 68, and the timer circuit 104 having a predetermined delay period for delaying the discharge of the auxiliary capacitor a predetermined time after the initiation of the discharge of the main storage capacitor thereby to extend the duration of the ignition output voltage from the ignition coil. The timer circuit is coupled to a transformer 36 and upon discharge of the main storage capacitor a voltage is induced in the winding 38 of the transformer 36 which is passed to the base of the transistor 18 to turn this transistor on. This produces a current on the lead 120 for operating the timer circuit. The control electrode 80 of the silicon controlled rectifier 64 is connected through a transformer 82 to breaker points or to a magnetic pick-up (not shown).
GB4555373A 1972-12-14 1973-09-28 Capacitor discharge ignition system for use with an internal combustion engine Expired GB1392688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00315267A US3832986A (en) 1972-12-14 1972-12-14 Capacitor discharge ignition system including spark duration extender means

Publications (1)

Publication Number Publication Date
GB1392688A true GB1392688A (en) 1975-04-30

Family

ID=23223627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4555373A Expired GB1392688A (en) 1972-12-14 1973-09-28 Capacitor discharge ignition system for use with an internal combustion engine

Country Status (6)

Country Link
US (1) US3832986A (en)
JP (1) JPS4987929A (en)
DE (1) DE2362024A1 (en)
FR (1) FR2211051A5 (en)
GB (1) GB1392688A (en)
IT (1) IT994370B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000724A (en) * 1973-07-14 1977-01-04 Hughes Microelectronics Limited Ignition arrangements for internal combustion engines
US4015576A (en) * 1974-04-22 1977-04-05 Junak Edward M Ignition system
US3923030A (en) * 1974-09-19 1975-12-02 Frank Kenneth Luteran Phase sensitive ignition timing system
DE2742641A1 (en) * 1977-09-22 1979-04-05 Bosch Gmbh Robert IGNITION SYSTEM FOR COMBUSTION MACHINERY
JPS5888468A (en) * 1981-11-24 1983-05-26 Nissan Motor Co Ltd Ignition device in internal-combustion engine
FR2670829B1 (en) * 1990-12-19 1993-04-16 Labo Ind HIGH ENERGY IGNITION GENERATOR, PARTICULARLY FOR GAS TURBINE.
US5060623A (en) * 1990-12-20 1991-10-29 Caterpillar Inc. Spark duration control for a capacitor discharge ignition system
DE102006040982A1 (en) * 2006-08-31 2008-03-20 Michael Reimann Energy storage-high current-ignition for electrical circuit for ignition of combustible gas fuel mixture in combustion chamber of spark ignition internal combustion engine, has high voltage condenser ignition and transistor coil ignition
JP6395565B2 (en) * 2014-11-11 2018-09-26 ローム株式会社 Igniters and vehicles
WO2016175733A1 (en) * 2015-04-25 2016-11-03 Lamar William Paul High speed capacitor discharge ignition system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127540A (en) * 1961-01-31 1964-03-31 Rotax Ltd Spark ignition apparatus
US3202874A (en) * 1961-06-28 1965-08-24 Bardocz Arpad Spectroscopic low voltage spark source and interrupted arc source
US3376470A (en) * 1965-08-12 1968-04-02 Atomic Energy Commission Usa Capacitor discharge circuit for starting and sustaining a welding arc
GB1152296A (en) * 1968-02-19 1969-05-14 Rolls Royce Sparking Circuit for an Ignition System for Internal Combustion Engines
CH505984A (en) * 1969-06-20 1971-04-15 Bosch Gmbh Robert Ignition system for internal combustion engines
US3669086A (en) * 1970-09-30 1972-06-13 Motorola Inc Solid state ignition system
US3728991A (en) * 1970-10-06 1973-04-24 Fiat Spa Capacitive discharge ignition circuit

Also Published As

Publication number Publication date
US3832986A (en) 1974-09-03
JPS4987929A (en) 1974-08-22
DE2362024A1 (en) 1974-06-20
FR2211051A5 (en) 1974-07-12
IT994370B (en) 1975-10-20

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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