Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Reexamination Certificate
2005-04-29
2009-08-11
Cernoch, Steven Michael (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
C239S596000, C239S585100, C239S585500, C239S585400, C239S552000, C239SDIG002, C239SDIG019, C277S596000, C251S129210
Reexamination Certificate
active
07571868
ABSTRACT:
A fuel injection valve has a connection piece for a fuel-supply line, a valve-seat support having a valve-seat body provided with a valve opening, a solenoid for activating a valve member, which controls the valve opening, and a plastic extrusion coat enclosing the connection piece, the solenoid and the valve-seat support. To achieve a cost-effective manufacture by requiring fewer components for the injection valve and providing a reduction in the assembly costs, the connection piece and the valve-seat support are made of plastic and designed as one-piece plastic housing together with the plastic extrusion coat. The yoke element for closing the magnetic circuit of the solenoid, which extends across the magnetic core and magnetic armature, is a magnetic material extrusion coat, which encloses the solenoid coil and adjoins the magnetic core in a gapless manner and ends in front of the magnetic armature with a gap clearance.
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Cernoch Steven Michael
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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