Starter motor control device for engines

Details Starter motor control device for engines Starter motor control device for engines

1988-03-17

1989-02-07

Shoop, Jr., William M.

Prime-mover dynamo plants

Electric control

Electric-starting motor

F02N 1108

Patent

active

048033774

ABSTRACT:
A starter motor control device comprising a starter motor for starting an engine, an auxiliary switch which can interrupt the energization to the starter motor, a circuit for detecting the rotation speed of the engine or other mechanism related to the rotation speed of the engine to output a signal for preventing the starter motor from being conversely driven by the started engine, a circuit for restraining the starter motor from being energized again for a predetermined time just after the energize to the starter motor is cutoff, a first detecting means having a first set value for judging the voltage at an auxiliary switch driving terminal of a switching element for driving the auxiliary switch, a second detecting means having a second set value for judging the voltage of the auxiliary switch driving terminal, and a circuit for determining the operation of the switching element based on the judgements given by the first and the second detection means.

REFERENCES:
patent: 4045062 (1977-08-01), Disosway, III et al.
patent: 4070585 (1978-01-01), Parkyn
patent: 4415812 (1983-11-01), Griffith et al.
patent: 4490620 (1984-12-01), Hansen

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