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. 03, 2019
Filed:
Jul. 20, 2017
GM Global Technology Operations Llc, Detroit, MI (US);
Daniel J Wilson, Linden, MI (US);
Jianghuai Yang, Rochester Hills, MI (US);
James D Cremonesi, Rochester Hills, MI (US);
Qigui Wang, Rochester Hills, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A bearing shell for an automotive propulsion system is provided, along with a crankshaft assembly and an engine having a bearing shell. The bearing shell comprises an inner layer having an inner layer thickness. The inner layer defines a bearing surface on an inner side. The bearing surface of the inner layer is configured to support and contact an oil film. The bearing shell also has an outer layer disposed around the inner layer and radially outward of the inner layer. The outer layer has an outer layer thickness that is greater than the inner layer thickness, the outer layer thickness being at least one millimeter. The outer layer is formed of an outer layer material comprising an aluminum alloy and/or a metal matrix composite material. The inner layer is formed of an inner layer material, wherein the outer layer material is stronger than the inner layer material.