Fuel injector with hydraulic pin actuation
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United States of America Patent
Stats
-
Mar 20, 2007
Grant Date -
May 19, 2005
app pub date -
Nov 9, 2004
filing date -
Nov 14, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The injector has a cylindrical body, which houses an injection nozzle regulated by an injection valve provided with a moveable pin, a fuel supply line, an injection chamber communicating with the supply line, housing a lower portion of the pin and delimited below by a valve seat of the injection valve, a control chamber communicating with the supply line and housing an upper portion of the pin, and a control valve, which is capable of putting the control chamber in communication with a drain for the low-pressure fuel and is controlled by an electromagnetic actuator provided with a pair of electromagnets identical with each other and arranged mechanically in series with each other so that their respective thrust forces are added together.
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Cited Art Landscape
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