ELECTRIC PUMP FOR A HYBRID VEHICLE
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
Jan 19, 2015
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
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Abstract
A hydraulic system for a hybrid module which is located between an engine and a transmission includes a parallel arrangement of a mechanical pump and an electric pump. Each pump is constructed and arranged to deliver oil to other portions of the hydraulic system depending on the operational mode. Three operational modes are described including an electric mode, a transition mode, and a cruise mode. Various monitoring and control features are incorporated into the hydraulic system.
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