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:
May. 16, 2023
Filed:
Nov. 22, 2021
Applicant:
Garrett Transportation I Inc., Torrance, CA (US);
Inventors:
Michael Morrissey, Waterford, IE;
Franklin Allen, Torrance, CA (US);
Xiaodong Li, Shanghai, CN;
Quentin Roberts, Chantraine, FR;
Philippe Renaud, Sanchey, FR;
Assignee:
Garrett Transportation I Inc., Torrance, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 15/00 (2006.01); C22F 1/04 (2006.01); B21D 31/04 (2006.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
B23P 15/006 (2013.01); B21D 31/04 (2013.01); C22F 1/04 (2013.01); F04D 29/284 (2013.01);
Abstract
A process for treating a centrifugal compressor wheel includes a combination of cold expansion of at least part of the bore of the wheel to induce residual compressive stresses in a region around the bore, and surface peening at least parts of the compressor wheel such as the back disk and portions of the blades.