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:
May. 24, 2022
Filed:
Apr. 30, 2020
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/58 (2006.01); F01D 17/14 (2006.01); F04D 17/10 (2006.01); F04D 25/08 (2006.01); F04D 29/056 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/5826 (2013.01); F01D 17/141 (2013.01); F04D 17/10 (2013.01); F04D 25/08 (2013.01); F04D 25/082 (2013.01); F04D 29/056 (2013.01); F04D 29/42 (2013.01); F04D 29/4206 (2013.01); F05D 2220/30 (2013.01); F05D 2250/52 (2013.01);
Abstract
A centrifugal compressor includes a rotary shaft of a compressor impeller, a gas bearing structure that supports the rotary shaft, a motor that rotates the rotary shaft, a motor housing that houses the motor, a compressor housing that houses the compressor impeller and includes an intake port and a discharge port, a gas bleed port that is provided closer to the discharge port than the compressor impeller in a flow direction in the compressor housing, a bearing cooling line that connects the gas bleed port to the gas bearing structure, and a heat exchanger that is disposed on the bearing cooling line. The heat exchanger is mounted on at least one of the motor housing and the compressor housing.