Title: Device for adjusting ignition time for internal combustion engine

Abstract: The disclosed device comprises a thyristor and a first set of breaker's contacts serially interconnected across a second set of breaker's contacts used in the normal operation. In the idling and low speed operations, the thyristor is conducting so that the first contact set causes the receding ignition. In the dual system of ignition one series combination of thyristor and set of breaker's contacts is provided on either of the advancing and receding sides. Normally both thyristors are conducting but the receding thyristor alone is conducting to permit the receding ignition in the idling and low speed operations.

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Inventors: Saita, Toshikazu (Himeji, JA)

Application Number: 408077
Filing Date: 1973-10-19
Publication_date: 1976-03-30
Assignee: Mitsubishi Denki Kabushiki Kaisha (JA)
Primary Class(es): 123/406.12
Other Classes:
US Patent Ref:

3626455

Dec, 1971

Toda

123/117.

Other Refs:
Primary Examiner: Burns, Wendell E.
Assistant Examiner: Cox, Ronald B.
Attorney: Burns; Robert E., Lobato; Emmanuel J., Adams; Bruce L.