Reversible pump assembly
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United States of America Patent
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Feb 13, 1990
Issued Date -
N/A
app pub date -
Feb 9, 1989
filing date -
Mar 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A windshield washer pump including comprising an impeller chamber having a reversible impeller rotatably mounted therein and an inlet for windshield washer fluid communicating therewith. Dual outlets communicate between the impeller chamber and opposite ends of an adjacent outlet chamber. A piston is slidably mounted in the outlet chamber intermediate axially aligned tubular discharge passages extending from the outlet chamber. Oppositely disposed projections are formed on the piston for being alternately urged into engagement with the tubular discharge passages, permitting the alternate pumping of fluid through the tubular discharge passages.
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