Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2005-05-10
2005-05-10
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S506000, C123S496000
Reexamination Certificate
active
06889657
ABSTRACT:
The fuel injection device has a high-pressure pump (14) that supplies fuel to a reservoir and is connected to injectors disposed in the cylinders of the engine. A fuel-supply pump delivers fuel from a fuel tank to the suction side of the high-pressure pump. An electrically actuated control valve adjusts the quantity of fuel that the high-pressure pump delivers to the reservoir. The control valve is disposed on the pressure side of the high-pressure pump and can be switched between a first position, in which the pressure side of the high-pressure pump is closed off from a pressure relief region, and a second position, in which the pressure side of the high-pressure pump is connected to the pressure relief region.
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Ambrock Sascha
Bauer Peter
Koehler Achim
Maier Ulrich
Ruesseler Karl-Friedrich
Greigg Ronald E.
Moulis Thomas
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