FUEL INJECTOR WITH HYDRAULIC DAMPING
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Apr 30, 2009
app pub date -
Oct 28, 2008
filing date -
Oct 29, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel injector provided with: an injection valve comprising an injection nozzle; a movable plunger for adjusting the flow of fuel through the injection valve and ending in a shutting head which engages a valve seat of the injection valve; an actuator for displacing the plunger between a closing position and an opening position of the injection valve; an annular backing element which constitutes an upper stroke end of the plunger and defines the opening position; and a hydraulic damping device which is adapted to generate on the plunger a hydraulic force which opposes the movement of the plunger towards the opening position when the plunger itself is close to the backing element.
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Family
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