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. 08, 2018
Filed:
May. 11, 2016
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Ryan Calkin, Ferndale, MI (US);
Eric Darvin Thomas, Shelby Township, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/02 (2006.01); F02B 37/24 (2006.01);
U.S. Cl.
CPC ...
F01M 11/02 (2013.01); F02B 37/24 (2013.01); F01M 2011/021 (2013.01);
Abstract
An internal combustion engine, includes a turbocharger with a variable geometry turbine having an actuator shaft passing through the turbocharger housing. The actuator shaft opening is vented to the engine crankcase for diverting exhaust that passes through the actuator shaft opening to the crankcase instead of being released to the under-hood environment.