H - Electricity – 01 – T
Patent
H - Electricity
01
T
H01T 15/00 (2006.01) F02P 3/08 (2006.01)
Patent
CA 2243721
Conventional ignition systems have a first capacitor connected by a switch to the primary windings of a transformer. The secondary windings of the transformer are connected to an igniter via a cable. In the present invention, the secondary windings of the transformer are connected to a second capacitor via a rectifier circuit. The igniter is connected to the second capacitor by a cable that also has its own capacitance. In use, the combined charge on the second capacitor and the cable is gradually increased each time that the switch is closed and charge on the first capacitor is transferred to the transformer. The charge on the second capacitor and cable keeps increasing until it is sufficient to fire the igniter.
Fetherstonhaugh & Co.
Meggitt (uk) Limited
Smiths Industries Public Limited Company
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