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:
Apr. 14, 2009
Filed:
Nov. 29, 2005
Applicants:
Oliver Schulz, Stuttgart, DE;
Oliver Becker, Ludwigsburg, DE;
Inventors:
Oliver Schulz, Stuttgart, DE;
Oliver Becker, Ludwigsburg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a device for exciting pressure fluctuations in a fuel supply system of an internal combustion engine are provided, which in turn enable a determination of the sound velocity of the fuel. A quantity that characterizes the pressure in a fuel storage device or a fuel line is evaluated. In at least one operating state of the internal combustion engine, a natural oscillation of the fuel in the fuel storage device or the fuel line is excited.