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:
Mar. 19, 2019
Filed:
Jun. 24, 2016
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventor:
Edward J. Keating, Ortonville, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 13/02 (2006.01); F02M 26/41 (2016.01);
U.S. Cl.
CPC ...
F02D 13/0276 (2013.01); F02M 26/41 (2016.02); Y02T 10/18 (2013.01);
Abstract
An engine assembly includes an engine block defining a cylinder, an exhaust system, and an exhaust gas recirculation system. A first exhaust valve is configured to control fluid communication from the cylinder to the exhaust system. A second exhaust valve is configured to control fluid communication from the cylinder to the exhaust gas recirculation system. The second exhaust valve is selectively activatable and deactivatable independently of the first exhaust valve.