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:
Feb. 26, 2019
Filed:
Mar. 01, 2017
GM Global Technology Operations Llc, Detroit, MI (US);
Dalton A Blenc, Clarkston, MI (US);
Aaron Bowles, Howell, MI (US);
Other;
Abstract
A vehicle propulsion system includes an internal combustion engine with a cylinder, an intake valve, an exhaust valve, and a cylinder head defining a combustion chamber; an intake manifold in communication with the combustion chamber through the intake valve; an exhaust manifold in communication with the combustion chamber through the exhaust valve; a turbocharger with a compressor in communication with the intake manifold, a turbine in communication with the exhaust manifold, and an electric motor for selectively driving the turbine; and a controller in communication with the electric motor and configured to selectively operate electric motor to drive the turbine to reduce a pressure in the combustion chamber during an engine start process.