Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...
Reexamination Certificate
2007-05-22
2007-05-22
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel flow regulation between the pump and the charge-forming...
Reexamination Certificate
active
10528465
ABSTRACT:
A fuel injection system for an internal combustion engine, having a fuel injector supplied with fuel from a high-pressure fuel source and including an injection valve member for opening or closing injection openings and a low-pressure circuit with a prefeed pump which pumps fuel from a fuel tank. Partial return fuel quantities, depressurized to the prefeed pressure of the prefeed pump, are delivered to the low-pressure circuit by pressure boosters or by fuel injectors inside an infeed portion via returns.
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Geyer Gerhard
Magel Hans-Christoph
Greigg Ronald E.
Moulis Thomas
Robert & Bosch GmbH
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