Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steffen Martin0
Robert Straub0
Ryan Peacock0
Date of Patent
May 15, 2007
Patent Application Number
10969047
Date Filed
October 21, 2004
Patent Primary Examiner
Patent abstract
An oil activated fuel injector which provides a pilot quantity of fuel prior to the main fuel injection event. A control system for a fuel injector includes a sensor for providing a signal to a control which is indicative of an opening motion of a spool. The control initiates a pull back of the spool, upon receipt of the signal, to eliminate a bounce back phenomenon of the spool during an injection of a pilot quantity of fuel. The signal may be representative of a pressure of working fluid or fuel, as well as a position or acceleration of the spool.
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