Power steering pump flow control
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United States of America Patent
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Aug 9, 2011
Grant Date -
Jul 9, 2009
app pub date -
Jan 3, 2008
filing date -
Jan 3, 2008
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Abstract
An apparatus for preventing noise from occurring due to cavitation in a power steering pump during low temperature start-up includes the addition of a multi-passage orifice element for adding wetted surface resistance to high viscous fluid flow downstream from a single passage outlet orifice element of a fluid flow control device and upstream of an associated steering gear or steering assist valve.
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