US Patent 7906888 Actuator for actuating a fuel injection valve

Patent 7906888 was granted and assigned to Continental Automotive on March, 2011 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Continental Automotive

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7906888

Date of Patent

March 15, 2011

Patent Application Number

11813340

Date Filed

November 25, 2005

Patent Primary Examiner

Mark Budd

Patent abstract

An actuator for actuating a fuel injection valve has a piezoactuator, enclosed in an actuator housing unit (14, 16). The housing unit has a cylindrical actuator housing (14) which is elongate in its axial direction (A) and at least partially encased by an extruded plastic coat. The actuator housing unit (14, 16), in its encased area, is provided with a ventilation aperture (20) in which a ventilation element (22) produced from a microporous material is disposed.

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