Actuator for actuating a fuel injection valve

Details Actuator for actuating a fuel injection valve Actuator for actuating a fuel injection valve

2011-03-15

2011-03-15

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S344000, C310S340000

Reexamination Certificate

active

07906888

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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International Search Report PCT/EP2005/056239, 6 pages.
Written Opinion of the International Search Authority (Supplementary Sheet) PCT/EP2005/056239, 1 page.

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