Fuel injection apparatus
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United States of America Patent
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Jan 1, 2013
Grant Date -
Mar 19, 2009
app pub date -
Dec 14, 2005
filing date -
Jan 7, 2005
priority date (Note) -
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Abstract
A fuel injection apparatus for an internal combustion engine includes a fuel supply passage and a valve arrangement for controlling fuel pressure within the fuel supply passage. The valve arrangement includes a valve member movable between an open position in which the fuel supply passage communicates with a low pressure fuel drain and a closed position in which communication between the fuel supply passage and the low pressure fuel drain is prevented. The valve arrangement comprises damping means for controlling and/or damping movement of the valve member between the closed and open positions.
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