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:
Oct. 28, 2014
Filed:
Feb. 28, 2012
Applicants:
Helerson Kemmer, Vaihingen, DE;
Christian Reschke, Leonberg, DE;
Inventors:
Helerson Kemmer, Vaihingen, DE;
Christian Reschke, Leonberg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02D 41/00 (2006.01); F02D 19/08 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0025 (2013.01); F02D 19/084 (2013.01); F02D 19/085 (2013.01); Y02T 10/36 (2013.01); F02D 2200/0612 (2013.01);
Abstract
A method for determining a concentration of alcohol in a fuel mixture, where a characteristic curve for a parameter describing the dynamics of an injector, by which the fuel mixture is injected in an internal combustion engine, is ascertained; and where the concentration of alcohol is determined in light of a course of the characteristic curve. The invention also relates to a method for operating an internal combustion engine and a system for determining a concentration of alcohol in a fuel mixture.