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:
Aug. 08, 2017
Filed:
Dec. 18, 2013
Applicant:
Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Inventor:
Juergen Pfeiffer, Pforzheim, DE;
Assignee:
Dr. Ing. h.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 59/20 (2006.01); F01M 1/18 (2006.01); F01M 1/16 (2006.01); F01M 11/10 (2006.01);
U.S. Cl.
CPC ...
F02M 59/20 (2013.01); F01M 1/18 (2013.01); F01M 2001/165 (2013.01); F01M 2011/148 (2013.01);
Abstract
A method for determining a fuel fraction in the oil of an oil circuit (), in particular in oil of an oil circuit () of an internal combustion engine (), wherein a variably adjustable oil delivery pump () is provided in the oil circuit, which oil delivery pump can be actuated by means of a control unit (), wherein the control unit performs an adjustment of parameters and/or adaptation values of the oil delivery pump as a function of the viscosity of the oil, wherein a determination of the fuel fraction in the oil is performed on the basis of the parameters and/or adaptation values.