Control device of a direct-current electric motor for a windshie

Details Control device of a direct-current electric motor for a windshie Control device of a direct-current electric motor for a windshie

1986-06-17

1988-03-22

Ro, Bentsu

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318DIG2, 1525017, B60S 108

Patent

active

047331470

ABSTRACT:
The control device comprises a manually operable switch and a system for controlling the stopping of the motor in a fixed position corresponding to a parking position of a windshield wiper. The system comprises an electrical circuit with at least one sliding contact intended to interact with at least one track having electrically conductive and isolating sectors, a relative rotary movement between the sliding contact and the track being controlled by the motor. One of the elements formed by the sliding contact and the track is intended to be connected to the supply terminal of the motor armature, while the other such element can be grounded during the rotary movement. Said one element is connected to the supply terminal of the motor by means of electrical breaker designed to remain open when the wiper motor is operating normally and close when the manual switch is actuated to control the stopping of the motor.

REFERENCES:
patent: 3684938 (1972-08-01), Ori
patent: 4271381 (1981-06-01), Munz et al.

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