Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2005-09-06
2005-09-06
Miller, Carl S. (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S496000
Reexamination Certificate
active
06938610
ABSTRACT:
A fuel injection system includes a pressure chamber having a displacable piston which can be subjected to pressure via a low-pressure-side pressure booster chamber for compressing the fuel in a high-pressure-side pressure booster chamber to be delivered to an injector. The stroke of the piston is controllable essentially by the pressure in a differential chamber of the pressure chamber and is used to vary the fuel pressure delivered to the injector. Provision is made for enlarging the cross section of the outlet cross section out of the differential chamber of the pressure chamber are provided. The fuel pressure during the injection can be varied. A pressure increase can be simply achieved.
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Braun Wolfgang
Kropp Martin
Magel Hans-Christoph
Mahr Bernd
Greigg Ronald E.
Miller Carl S.
Robert & Bosch GmbH
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