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. 12, 2021
Filed:
Mar. 26, 2018
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Yuya Konno, Tokyo, JP;
Abstract
An impelleraccording to the present invention includes a disc portionfixed to a rotary shaftthat rotates around an axis line O, a cover portiondisposed to face the disc portion, and a plurality of blade portionsprovided between the disc portionand the cover portion. The impellerincludes a first segment SGconfigured of a first disc portionthat is a portion of the disc portionon one side of the axis line O, a second segment SGin which a second disc portionthat is a portion of the disc portionon another side of the axis line O, the cover portion, and the blade portionsare integrally configured, and a joining layer CL configured to join, by friction welding, the first segment SGand the second segment SG