Power assisted steering system with an auxiliary electric pump
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United States of America Patent
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Dec 21, 2010
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app pub date -
Dec 21, 2005
filing date -
Dec 21, 2005
priority date (Note) -
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Abstract
A power assist steering system for a vehicle, especially for a truck or commercial vehicle, is disclosed that includes a mechanical engine-driven power steering pump that pumps hydraulic fluid to a power steering unit, and an electrical pump adapted to pump hydraulic fluid so as to optimize a power steering flow to the power steering unit and to minimize internal pump flow.
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