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:
Jan. 26, 2016
Filed:
May. 06, 2013
Applicants:
Matthias Heinkele, Leonberg, DE;
Michael Drung, Muehlacker, DE;
Martin Kroener, Remchingen, DE;
Inventors:
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/10 (2006.01); G01M 15/09 (2006.01); F02M 25/07 (2006.01); F16K 37/00 (2006.01); F02D 41/00 (2006.01); F02M 35/10 (2006.01); F02M 25/06 (2006.01);
U.S. Cl.
CPC ...
G01M 15/09 (2013.01); F02M 25/0702 (2013.01); F16K 37/0075 (2013.01); F02D 41/0055 (2013.01); F02M 25/06 (2013.01); F02M 35/1038 (2013.01); Y02T 10/121 (2013.01);
Abstract
In a method for diagnosing a valve in a fluid supply line to a suction line of an air system of a combustion engine, the fluid supply line being is part of an exhaust-gas recirculation system or a crankcase ventilation system, when the valve is actuated, a first pressure in the suction line is monitored for change, and an error of the valve is detected if the change of the first pressure lies outside a specific reference range when the valve is actuated.