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:
Nov. 25, 2014
Filed:
Dec. 12, 2011
Applicant:
Antonio Massaro, Turin, IT;
Inventor:
Antonio Massaro, Turin, IT;
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 65/00 (2006.01); F02D 41/38 (2006.01); F02D 41/22 (2006.01); F02M 51/00 (2006.01); F02D 41/24 (2006.01);
U.S. Cl.
CPC ...
F02D 41/222 (2013.01); F02D 41/3809 (2013.01); F02D 41/2438 (2013.01); F02D 2200/0602 (2013.01);
Abstract
A method is provided for diagnosing a clogging of an injector in an internal combustion engine equipped with a fuel rail and with a plurality of fuel injectors hydraulically connected to the fuel rail. The method includes, but is not limited to determining a value of a pressure drop in the fuel rail due to a quantity of fuel injected by a tested injector, and diagnosing the clogging of the tested injector if the determined pressure drop value is lower than a threshold value of this pressure drop.