Vehicle speed sensitive windshield washer control

Details Vehicle speed sensitive windshield washer control Vehicle speed sensitive windshield washer control

1986-12-11

1988-09-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

152502, 13762415, 239101, 239156, B05B 110

Patent

active

047687169

ABSTRACT:
A windshield washer control for a vehicle is responsive to vehicle speed to vary the speed of an electric motor driven pump so as to vary the pump pressure with vehicle speed and thus counteract the downward dislocating effect, increasing with vehicle speed, of air rushing over the windshield, whereby the cleaning fluid is applied to a predetermined target area of the windshield regardless of varying vehicle speed. In addition, the pump may be activated for a time varying inversely with vehicle speed to counteract the variation of volume flow with varying pump pressure and thus cause a substantially constant volume of cleaning fluid to be applied to the windshield for each activation of the pump.

REFERENCES:
patent: 2797131 (1957-06-01), Parkes
patent: 3089204 (1963-05-01), Fingeroot et al.
patent: 3657626 (1972-04-01), Rouvre et al.
patent: 4247045 (1981-01-01), Mitchell et al.
patent: 4520961 (1985-06-01), Hueber
patent: 4618096 (1986-10-01), Kondo et al.

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