The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2011
Filed:
Dec. 19, 2008
Stephan Olbrich, Stuttgart, DE;
Rainer Peck, Ludwigsburg, DE;
Christian Kriechbaum, Stuttgart, DE;
Michael Schenk, Ludwigsburg, DE;
Steffen Meyer-salfeld, Leonberg, DE;
Rene Zieher, Edingen-Neckarhausen, DE;
Markus Viereck, Emmendingen, DE;
Stephan Olbrich, Stuttgart, DE;
Rainer Peck, Ludwigsburg, DE;
Christian Kriechbaum, Stuttgart, DE;
Michael Schenk, Ludwigsburg, DE;
Steffen Meyer-Salfeld, Leonberg, DE;
Rene Zieher, Edingen-Neckarhausen, DE;
Markus Viereck, Emmendingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
In a fuel system of an internal combustion engine, the fuel quantity injected into a combustion chamber is a function of an activation period, during which a fuel injection device is activated. A pressure sensor detects the pressure in the fuel rail and provides a signal. The pressure in the fuel rail may be regulated to a setpoint pressure using a setting unit and employing the signal provided by the pressure sensor. The following method is provided for testing the fuel system: