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:
Jul. 25, 2017
Filed:
Mar. 12, 2014
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Matthias Maess, Stuttgart, DE;
Joerg Kuempel, Ludwigsburg, DE;
Rainer Wilms, Markgroeningen, DE;
Uwe Richter, Markgroeningen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Primary Examiner:
Int. Cl.
CPC ...
F02M 59/36 (2006.01); F02D 41/20 (2006.01); F02M 59/46 (2006.01); F02D 41/38 (2006.01); F02M 63/02 (2006.01); F02D 1/08 (2006.01); F02D 41/26 (2006.01); F02D 1/00 (2006.01);
U.S. Cl.
CPC ...
F02M 59/466 (2013.01); F02D 1/08 (2013.01); F02D 41/20 (2013.01); F02D 41/26 (2013.01); F02D 41/3845 (2013.01); F02M 59/36 (2013.01); F02M 59/367 (2013.01); F02M 59/368 (2013.01); F02M 63/0265 (2013.01); F02D 2001/0085 (2013.01); F02D 2001/082 (2013.01); F02D 2041/2055 (2013.01); F02D 2041/2058 (2013.01); F02D 2200/0602 (2013.01); F02D 2700/0282 (2013.01);
Abstract
In a fuel system of an internal combustion engine, fuel is delivered by a high-pressure pump into a fuel rail. The quantity of the delivered fuel is influenced by a quantity control valve () actuated by an electromagnetic actuating device. A limit-value retaining current is ascertained, at which the quantity control valve still remains in its closed state or is just opening.