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:
Dec. 18, 2012
Filed:
Apr. 13, 2010
Applicant:
Jyh-shin Chen, Troy, MI (US);
Inventor:
Jyh-Shin Chen, Troy, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Engine idle control includes commanding a preferred engine idle speed and operating the engine at a mean best torque spark timing, monitoring an engine speed and an engine air/fuel ratio, commanding an injected fuel mass corresponding to the monitored engine speed and the preferred engine idle speed, and commanding a cylinder intake air mass corresponding to the injected fuel mass, the engine air/fuel ratio and a preferred engine air/fuel ratio.
Chen, Jyh-Shin. (2012). Method for accommodating extraneous loads during idle operation (U.S. Patent No. 8335631). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8335631
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