Valve assembly
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
May 29, 2013
filing date -
Jul 19, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An inlet valve assembly for a high-pressure fuel pump is disclosed. The inlet valve assembly comprises an inlet valve member moveable between open and closed positions to control the fuel flow from a source of low-pressure fuel to a pumping chamber of the fuel pump, a first biasing spring arranged to apply a first force to the valve member in an opening direction, a second biasing spring arranged to apply a second force to the valve member in a closing direction, and an actuator arrangement operable to remove the first force from the valve member, thereby to allow the valve member to move into its closed position.
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