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:
Jun. 01, 2021
Filed:
Feb. 20, 2020
Applicant:
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Inventors:
Takashi Oda, Hiroshima, JP;
Nobuyori Yagi, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 29/28 (2006.01); F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); F04D 29/444 (2013.01); F04D 29/30 (2013.01);
Abstract
An impellerincludes a diskhaving a disk shape centered on an axis O, a plurality of bladesprovided on a disk main surfaceof the diskfacing a first side Dau in an axial direction Da at intervals in a circumferential direction around the axis O, and a coverthat covers the plurality of bladesfrom the first side Dau and gradually expands in diameter from the first side Dau toward a second side Dad in the axial direction. The coverhas a thick portionat a position distant from a first end portionpositioned closest to the first side, the thick portion having a thickness greater than the thickness of the first end portion