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:
Feb. 15, 2022
Filed:
Apr. 30, 2020
Ihi Corporation, Tokyo, JP;
Koji Sakota, Tokyo, JP;
Nobuyuki Ikeya, Tokyo, JP;
Hideumi Ohkuma, Tokyo, JP;
Naomi Sawachika, Tokyo, JP;
Other;
Abstract
A centrifugal compressor includes a motor that rotates a rotary shaft of a compressor impeller, a motor housing that houses the motor, a compressor housing that houses the compressor impeller and includes an intake port and a discharge port, an gas bleed port that is provided closer to the discharge port than the compressor impeller in a flow direction in the compressor housing, a cooling gas line which is connected to the gas bleed port and through which a part of compressed gas compressed by the compressor impeller passes, a cooling liquid line of which at least a part is provided in the motor housing and through which cooling liquid of which the temperature is lower than the temperature of the compressed gas passes, and a heat exchanger that is disposed on the cooling gas line and the cooling liquid line.