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:
May. 11, 2021
Filed:
Oct. 18, 2019
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Azeem Sarwar, Rochester Hills, MI (US);
Xiangxing Lu, San Jose, CA (US);
Ibrahim Haskara, Macomb, MI (US);
Yue-Yun Wang, Troy, MI (US);
Chaitanya Sankavaram, Rochester Hills, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/38 (2006.01); F02M 63/02 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3845 (2013.01); F02M 63/0225 (2013.01); F02D 41/221 (2013.01); F02D 2041/224 (2013.01); F02D 2200/0602 (2013.01); F02D 2250/31 (2013.01);
Abstract
A diagnostic system for a fuel injector includes a plurality of sensors to sense vehicle data. A controller includes a fuel injector diagnostic module configured to receive the vehicle data during operation of the vehicle and to selectively identify at least one of a fuel injector with a stuck armature and a fuel injector with pintle fatigue.