B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
15/17
B60S 1/52 (2006.01) B60S 1/48 (2006.01) B60S 1/60 (2006.01)
Patent
CA 1131858
C-3175 WASHER SYSTEM FOR TRANSPARENT SURFACES ON A VEHICLE Abstract of the Disclosure: 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.
357182
Carpenter Keith H.
Savage Jack W.
General Motors Corporation
Gowling Lafleur Henderson Llp
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