Loading patent…
AssigneeRobert Bosch GmbH
InventorsKlaus Joos, Mathias Rollwage, Karsten Kroepke, Jens Wolber, Thomas Frenz, Manfred Kirschner, Klaus-Dieter Hufnagel, Ingo Richter, Markus Amler
Estimating the term…
A method and a device are described for diagnosing a fuel system having a plurality of electric fuel delivery units, which are submerged on the inlet side in a fuel supply contained in a fuel tank, and which, on the outlet side, deliver fuel in a fuel line to an internal combustion engine. The currents of the electric fuel delivery units are measured directly or indirectly in an analysis unit, compared to one another, and a diagnostic signal in digitized form is generated as a function of the result of the comparison.
A method for diagnosing a fuel system including a plurality of electric fuel delivery units that are submerged on an inlet side in a fuel supply contained in a fuel tank, and that, on an outlet side, deliver a fuel in a fuel line to an internal combustion engine, comprising the steps of:
A device for diagnosing a fuel system including a plurality of electric fuel delivery units that are submerged on an inlet side in a fuel supply contained in a fuel tank, and that, on an outlet side, deliver a fuel in a fuel line to an internal combustion engine, comprising:
Dependencies are inferred from the claim text.