Ignition system using push-pull transformer
OwnerThomas C. Marrsinventor
Life of this patent
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Abstract
An ignition system for an internal combustion system has a power source for passing a DC voltage, a push-pull isolating transformer connected to the power source so as to increase the voltage from the power source and convert the DC voltage to AC voltage, a high-voltage transformer having a primary winding connected to an output of the push-pull isolating transformer, and a spark plug connected to a secondary winding of the high-voltage transformer. The high-voltage transformer increases the voltage from the push-pull isolating transformer to a voltage that fires the spark plug.
Claims9
An ignition system for an internal combustion engine, the ignition system comprising:
- a power source for passing a DC voltage;
- a push-pull isolating transformer connected to the power source, said push-pull isolating transformer increasing the voltage from said power source and converting the DC voltage to AC voltage, said push-pull isolating transformer having a primary winding and a secondary winding, the primary winding of said push-pull isolating transformer being connected to a pair of transistors, each of the pair of transistors having a diode connected between the transistor and the primary winding;
- a high-voltage transformer having a primary winding connected to an output of said push-pull isolating transformer, said high-voltage transformer for increasing the increased voltage from said push-pull isolating transformer;
- and
- a spark plug connected to a secondary winding of said high-voltage transformer.
An ignition system for an internal combustion engine, the ignition system comprising:
- a power source for passing a DC voltage;
- a push-pull isolating transformer connected to the power source, said push-pull isolating transformer increasing the voltage from said power source and converting the DC voltage to AC voltage, said push-pull isolating transformer having a primary winding and a secondary winding, the primary winding of said push-pull isolating transformer being connected to a pair of transistors;
- a high-voltage transformer having a primary winding connected to an output of said push-pull isolating transformer, said high-voltage transformer for increasing the increased voltage from said push-pull isolating transformer;
- and
- a spark plug connected to a secondary winding of said high-voltage transformer, said push-pull isolating transformer increasing a twelve volts DC from said power source to forty volts AC at ninety kilohertz, the secondary winding being connected to said high-voltage transformer.
Dependencies are inferred from the claim text.