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:
Mar. 01, 2022
Filed:
May. 28, 2019
Applicant:
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Inventors:
Michael Brand, Wolfsburg, DE;
Silke Weddig, Braunschweig, DE;
Björn Fröhlich, Gifhorn, DE;
Jens Wodausch, Braunschweig, DE;
Christian Arenz, Braunschweig, DE;
Assignee:
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0836 (2013.01); F02D 41/004 (2013.01); F02D 41/0042 (2013.01); F02D 41/0045 (2013.01); F02M 25/089 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/0606 (2013.01);
Abstract
A method for controlling a control valve, the control valve controlling a volume flow of a fluid along a line, the method including at least the following steps: (a) performing a closing operation of the control valve; (b) measuring a pressure profile upstream of the control valve; and (c) determining a density of the fluid.