Starter motor protector circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits

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123179BG, 307 10R, H02H 700

Patent

active

041046889

ABSTRACT:
A circuit for preventing the energization of the starter motor for an internal combustion engine while the engine is running. A first SCR energizes the starter relay, and also a second SCR. Circuitry is provided to maintain the second SCR energized as long as the engine is running and to prevent the first SCR from being reenergized as long as the second SCR is energized. According to one aspect of the invention time delay means is provided to insure that all rotating parts can come to a stop before the starter motor can be reenergized.

REFERENCES:
patent: 3593697 (1971-07-01), Ciolli
patent: 3681658 (1972-08-01), Naoi et al.
patent: 3857043 (1974-12-01), Habasch
patent: 3885543 (1975-05-01), Swartz
patent: 4006723 (1977-02-01), Schmidli

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