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:
Sep. 10, 2019
Filed:
Nov. 04, 2016
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Huaxin Li, Rochester Hills, MI (US);
Dale A Gerard, Bloomfield Hills, MI (US);
Martin S Kramer, Clarkston, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 4/02 (2006.01); C23C 4/073 (2016.01); C23C 4/16 (2016.01); F02F 1/00 (2006.01); B23K 101/04 (2006.01); B23K 26/34 (2014.01);
U.S. Cl.
CPC ...
C23C 4/02 (2013.01); C23C 4/073 (2016.01); C23C 4/16 (2013.01); F02F 1/00 (2013.01); F02F 1/004 (2013.01); B23K 26/34 (2013.01); B23K 2101/04 (2018.08); F02F 2200/00 (2013.01);
Abstract
An engine block and a method of coating an inner surface of an engine cylinder bore of an engine cylinder are provided. The method includes attaching a strengthening layer or ring onto an upper portion of the inner surface of the cylinder bore. The strengthening layer or ring may be attached by laser cladding. The method also includes depositing a thermal spray coating onto the inner surface of the cylinder bore and the strengthening layer or ring.