System comprising a pumping assembly operatively connected to a valve actuation motion source or valve train component
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United States of America Patent
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Jul 14, 2020
Grant Date -
Mar 10, 2016
app pub date -
Sep 4, 2015
filing date -
Sep 4, 2014
priority date (Note) -
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Abstract
A system for supplying hydraulic fluid in an internal combustion engine comprises a pumping assembly disposed within a housing and a hydraulic circuit, operatively connected to the pumping assembly, also disposed within the housing, which housing may be fixed or dynamic. A source of pumping motions is operatively connected to the pumping assembly, which source of pumping motions may comprise a valve actuation motion source or a component of a valve train between the valve actuation motion source and an engine valve. Pumping motions applied to the pumping assembly by the source of pumping motions causes hydraulic fluid received from a supply pressure hydraulic fluid input of the hydraulic circuit to be transmitted to an increased pressure hydraulic fluid output of the hydraulic circuit.
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