Windscreen washer pump provided with level sensing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 2, 1993
Grant Date -
N/A
app pub date -
Jul 6, 1992
filing date -
Nov 15, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A windscreen washer pump has a casing which may be connected to a cleaning liquid reservoir and formed by a body member and by a cover which may be connected together. The body member is formed with a tubular suction extension, a pumping chamber and a discharge nozzle and a bent tubular extension attached to the cover by means of a passage member. The casing accommodates an impeller, a sealing joint and an electric motor for driving the impeller. The bent tubular extension contains a float which may make an electrical circuit across the free ends of the conductors housed in the passage member and connected to the terminals of the cover, and a stop valve preventing the liquid from flowing to the float chamber when the impeller is operating.
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