Pumping system with clutch and associated by-pass
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United States of America Patent
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Apr 25, 2006
Grant Date -
Jul 8, 2004
app pub date -
May 13, 2002
filing date -
May 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a pumping system. The design of the system is such that bi-directional operation can be achieved using a significantly smaller and hence lighter unit than those currently available. It uses the direction of rotation of the drive shaft to control the opening and closure of the by-pass means for controllably returning the fluid to the first reservoir.
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