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:
Mar. 22, 2022
Filed:
Nov. 12, 2018
Applicant:
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/26 (2006.01); F04D 29/30 (2006.01); F04D 29/62 (2006.01); F04D 17/10 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); F04D 17/10 (2013.01); F04D 29/266 (2013.01); F04D 29/30 (2013.01); F04D 29/624 (2013.01); F05D 2260/36 (2013.01); F05D 2260/941 (2013.01);
Abstract
An impeller includes: a disk having a first disk member that has a tubular shape centered on an axis, and a second disk member that has a tubular shape centered on the axis and is arranged on a first side of the first disk member in a direction of the axis; a blade that is formed integrally with the second disk member; and a cover that forms a flow passage between the cover and the second disk member by covering the blade from an outer peripheral side. A recessed portion, which is recessed from the first side toward a second side in the direction of the axis, is formed in an annular-shape around the axis in the first disk member.