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:
Aug. 24, 2021
Filed:
Mar. 25, 2019
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Jianghuai Yang, Rochester Hills, MI (US);
Qigui Wang, Rochester Hills, MI (US);
Dale A Gerard, Bloomfield Hills, MI (US);
Michael J Braskich, Grosse Ile, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 19/00 (2006.01); F02F 1/00 (2006.01); F02B 77/04 (2006.01);
U.S. Cl.
CPC ...
B22D 19/0081 (2013.01); B22D 19/0009 (2013.01); F02B 77/04 (2013.01); F02F 1/004 (2013.01);
Abstract
A method of manufacturing a cylinder block for an engine comprises providing a cylinder liner for the cylinder block and keeping the cylinder liner in a controlled atmosphere, removing the cylinder liner from the controlled atmosphere, removing moisture and gaseous contamination from the cylinder liner, and positioning the cylinder liner in a mold and over-casting a cylinder block in the mold.