Ignition system for an engine with a reverse-rotation preventing

Details Ignition system for an engine with a reverse-rotation preventing Ignition system for an engine with a reverse-rotation preventing

1990-03-15

1991-01-08

Dolinar, Andrew M.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

F02P 1100

Patent

active

049827170

ABSTRACT:
A novel and improved ignition system for an engine with a reverse-rotation preventing function capable of ensuring a proper engine operation over the entire operating range of the engine, particularly during the high-speed rotation thereof. The ignition system comprises a generator coil for generating an alternating current output in synchronism with the rotation of the engine; an ignition circuit connected to receive the alternating current output of the generator coil for producing a high voltage for ignition; a reverse-rotation preventing circuit operable in response to the output of a predetermined polarity of the generator coil to prevent the operation of the ignition circuit as along as the predetermined polarity of the generator output remains unchanged; an engine-rotation sensing circuit for sensing the number of revolutions per minute of the engine; and a disabling circuit for disabling the reverse-rotation preventing circuit when the number of revolutions per minute of the engine as sensed by the engine-rotation sensing circuit exceeds a predetermined level.

REFERENCES:
patent: 4244337 (1981-01-01), Asai
patent: 4651705 (1987-03-01), Kinoshita

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