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.

Date of Patent:
Sep. 15, 2020

Filed:

Mar. 28, 2018
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Johannes Georg Mueller, Ludwigsburg, DE;

Sebastian Gepperth, Stuttgart, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 25/00 (2006.01); F01N 3/20 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
G01F 25/0092 (2013.01); F01N 3/2066 (2013.01); F01N 11/00 (2013.01); F01N 2550/05 (2013.01); F01N 2610/02 (2013.01); F01N 2610/148 (2013.01); F01N 2610/1433 (2013.01); F01N 2900/1808 (2013.01);
Abstract

A method for identifying deviations in quantity in the case of a fluidic metering system (-), in particular an internal combustion engine of a motor vehicle, in which at least one conveying pump () for conveying a fluid, and at least one pressure sensor () for determining a fluidic pressure in the metering system (-), are disposed, wherein it is provided in particular that a test admeasurement of fluid is carried out (), that a temporal pressure drop in the metering system (-) is detected (), that the detected temporal pressure drop is compared with a pressure drop () that is to be theoretically expected (), and that a deviation in quantity of the metering system (-) is determined based on the result of the comparison ().


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