Washer system for transparent surfaces on a vehicle

Details Washer system for transparent surfaces on a vehicle Washer system for transparent surfaces on a vehicle

1979-10-09

1981-02-03

Schacher, Richard A.

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

B60S 146

Patent

active

042483832

ABSTRACT:
A washer system for transparent surfaces such as headlamp lenses and windshields has a liquid delivery chamber of a predetermined volume which is supplied with liquid through a one-way valve from a liquid storage chamber having a larger predetermined volume. The liquid in the delivery chamber is expelled from the chamber through passages and nozzles by air pressure which is stored at high pressure in an accumulator. The air in the accumulator is controlled for selective delivery by the operator. The accumulator is replenished with air automatically by an air compressor. A pneumatic delivery passage is connected between the top of the liquid delivery chamber and the nozzle passages to assist in exhausting the liquid in the passages through the nozzles and after the liquid is expended to permit air in the chamber to escape during refilling of the chamber with liquid.

REFERENCES:
patent: 3113704 (1963-12-01), Fingerfoot
patent: 3169676 (1965-02-01), Hanselmann
patent: 4026468 (1977-05-01), Tinder

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