Internal-combustion engines – Starting device – With fuel or intake air control
Reexamination Certificate
2006-04-04
2006-04-04
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Starting device
With fuel or intake air control
Reexamination Certificate
active
07021261
ABSTRACT:
In an internal combustion engine, the fuel is conveyed by an electrically driven fuel pump. The intake side of this pump is connected to a fuel tank and its outlet side is connected to a pressure region. A prerun of the electrically driven fuel pump may be performed before the startup of the internal combustion engine. In order to increase the service life of the fuel pump, an actual pressure (pactual) in the pressure region may be detected by a pressure sensor and the execution of the prerun be a function of at least the signal of the pressure sensor.
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Amler Markus
Frenz Thomas
Hinn Karsten
Joos Klaus
Wolber Jens
Kenyon & Kenyon
Moulis Thomas
Robert Bosch GbmH
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