Fluid sprinkling – spraying – and diffusing – Injection nozzle opened by relieving supply
Reexamination Certificate
2007-03-13
2007-03-13
Shaver, Kevin (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Injection nozzle opened by relieving supply
C239S088000, C239S091000, C239S585100, C239S533200
Reexamination Certificate
active
10530709
ABSTRACT:
A fuel injector having a pressure booster whose booster piston separates a working chamber, which is continuously acted on with fuel by means of a pressure source, from a differential pressure chamber that can be pressure-relieved; a pressure change in the differential pressure chamber occurs via an actuation of a servo-valve whose control chamber can be pressure-relieved by an on/off valve that also opens or closes a hydraulic connection of the differential pressure chamber to a first return on the low-pressure side. In the deactivated state of the pressure booster, a first sealing seat seals a return on the low-pressure side off from a high-pressure region of the servo-valve, which region is comprised of the control chamber, a first hydraulic chamber, and a second hydraulic chamber.
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Greigg Ronald E.
McGraw Trevor
Robert & Bosch GmbH
Shaver Kevin
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