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. 30, 2025
Filed:
Sep. 24, 2020
Applicant:
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
Inventors:
Ryohei Konno, Sagamihara, JP;
Kazuya Takeda, Sagamihara, JP;
Wataru Murono, Sagamihara, JP;
Yuya Konno, Tokyo, JP;
Assignee:
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 31/00 (2006.01); C23C 8/16 (2006.01); F01D 25/00 (2006.01);
U.S. Cl.
CPC ...
B22D 31/002 (2013.01); C23C 8/16 (2013.01); F01D 25/007 (2013.01); F05D 2220/40 (2013.01); F05D 2230/60 (2013.01); F05D 2230/90 (2013.01); F05D 2260/95 (2013.01); Y10T 29/4932 (2015.01);
Abstract
A method of manufacturing a casing of a turbocharger includes: a steam treatment step of subjecting at least one of a turbine housing and a bearing housing to a steam treatment to form an oxide film on the at least one of the turbine housing and the bearing housing before assembling the turbine housing, the bearing housing and a compressor housing; and an assembling step of assembling the turbine housing, the bearing housing and the compressor housing.