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:
Oct. 30, 2018
Filed:
Dec. 11, 2015
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventor:
Qigui Wang, Rochester Hills, MI (US);
Assignee:
GM GLOBAL TECHNOLOGIES LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 7/00 (2006.01); B22C 9/02 (2006.01); B22C 9/10 (2006.01); B23K 20/12 (2006.01); C21D 9/00 (2006.01); F02F 1/00 (2006.01);
U.S. Cl.
CPC ...
F02F 7/0085 (2013.01); B22C 9/02 (2013.01); B22C 9/10 (2013.01); B23K 20/1215 (2013.01); C21D 9/0068 (2013.01); F02F 1/00 (2013.01); F02F 2200/06 (2013.01);
Abstract
A cast cylinder block for an internal combustion engine includes a first and a second cylinder bore and a shared bore wall. The first cylinder bore includes a first bore wall and the second cylinder bore includes a second bore wall. The shared cylinder bore wall includes a first portion and a second portion. A portion of the first bore wall combines with a portion of the second bore wall to form the shared cylinder bore wall. The first portion of the shared bore wall is an as-cast portion. The second portion of the shared bore wall is a metal matrix composite.