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. 24, 2026
Filed:
Dec. 21, 2022
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/20 (2006.01); F04D 13/06 (2006.01); F04D 29/18 (2006.01); F04D 29/40 (2006.01); H02K 9/19 (2006.01);
U.S. Cl.
CPC ...
H02K 5/203 (2021.01); F04D 13/06 (2013.01); F04D 29/18 (2013.01); F04D 29/406 (2013.01); H02K 9/19 (2013.01);
Abstract
A rotary machine includes an electric motor including a rotor and a stator, a rotating shaft to be rotated driving the electric motor, an impeller attached to the rotating shaft, an inner case surrounding the stator and to which the stator is fixed, and an outer portion externally mounted on the inner case. The outer portion includes an inner circumferential surface facing an outer circumferential surface of the inner case, and a flow path groove formed on the inner circumferential surface and through which a refrigerant passes.