Devices for controlling an automobile vehicle starter motor cont

Prime-mover dynamo plants – Electric control – Electric-starting motor

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Details

290 37R, 290 38C, 290 38D, 290 38E, 290 28, F02N 1100, H02P 904

Patent

active

060113170

ABSTRACT:
A device for controlling an automobile vehicle starter motor contactor including a power contact controlling the supply of power to the electric motor of the starter motor and at least one coil controlling the movement of said contact, said device including a unit for controlling the starter motor and a transistor controlled by said unit that controls the energizing of the coil(s) of the contactor, wherein the control unit includes means for turning off the transistor if, between two successive times following closing of the starter switch, the voltage drop at a point connected to receive the battery voltage is smaller than a given threshold.

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patent: 4947051 (1990-08-01), Yamamoto et al.
patent: 5197326 (1993-03-01), Palm
patent: 5287831 (1994-02-01), Andersen et al.
patent: 5564375 (1996-10-01), Orzal
patent: 5691576 (1997-11-01), Minks

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