Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge – By electric transducer
Reexamination Certificate
2006-08-01
2006-08-01
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With means to vibrate or jiggle discharge
By electric transducer
C239S088000, C239S533200, C239S533900, C239S585100, C239S585300, C239S585400, C239S585500
Reexamination Certificate
active
07083114
ABSTRACT:
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes an actuator, which is encapsulated in a first sleeve and is sealed from an inner chamber of the fuel injector; a valve needle actuable by the actuator, which includes a valve-closure member cooperating with a valve-seat surface to form a sealing seat; and a locking spring, by which the valve needle is acted upon in such a manner that the valve-closure member is held in sealing contact at the valve-seat surface. An inflow-side end face of the first sleeve is dimensioned such that a linear deformation of the first sleeve, caused by the fuel pressure present at the inflow-side end face, is compensated by a linear deformation of the actuator and an activating piston extending the actuator.
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Deponte Rene
Doebler Ulrich
Hohl Guenther
Maeurer Walter
Stier Hubert
Hwu Davis
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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