Windshield wiper control

Details Windshield wiper control Windshield wiper control

1983-12-23

1986-04-29

Shoop, Jr., William M.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

Variable periods or intervals between controlling operations

318443, 318DIG2, 15250C, 1525016, 1525017, B60S 108

Patent

active

045859809

ABSTRACT:
A windshield wiper assembly comprising two windshield wipers each driven by a separate motor is described in which a control provides switching signals for switching on and off the wiper motors so as to achieve relatively smooth running of the wipers. In particular wiping areas one motor is continuously switched on and only the other motor, in dependence on the difference of the angular positions of the two wipers, is controlled such that collision of the wipers is prevented when the wiping areas overlap.

REFERENCES:
patent: 3721878 (1973-03-01), Gumbert
patent: 4405887 (1983-09-01), Tamura et al.

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