High voltage generating circuit for an automatic ignition...

Details High voltage generating circuit for an automatic ignition... High voltage generating circuit for an automatic ignition...

F - Mech Eng,Light,Heat,Weapons

02

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317/5.4

F02P 9/00 (2006.01) F02P 1/08 (2006.01) F02P 3/04 (2006.01) F02P 7/03 (2006.01)

Patent

CA 1216019

ABSTRACT OF THE DISCLOSURE A high voltage generating circuit for an automotive ignition system, wherein a current control circuit is provided in series with an automotive battery and a controlled high frequency switch to generate a high frequency, linearly increasing ignition current across the electrodes of the spark plugs of an internal combustion engine in order to accommodate shifts in the spark plug sustaining voltage which may occur due to changes in operating conditions. In a preferred embodiment, a DC-DC converter is inserted in series between the battery and the current control circuit to step-up the voltage applied to the current control circuit.

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