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:
Oct. 02, 2018
Filed:
Aug. 28, 2013
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Kazuaki Kurihara, Tokyo, JP;
Nobuyoshi Sakuma, Tokyo, JP;
Assignee:
IHI CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/058 (2006.01); F04D 29/056 (2006.01); F16C 39/02 (2006.01); F16C 21/00 (2006.01); F16C 32/04 (2006.01); F04D 29/051 (2006.01); F04D 29/059 (2006.01); F01D 25/16 (2006.01); F04D 17/12 (2006.01); F02C 7/06 (2006.01); F04D 25/06 (2006.01); F04D 17/10 (2006.01); F16C 35/073 (2006.01); F16C 17/04 (2006.01); F16C 19/06 (2006.01); F16C 19/26 (2006.01); F16C 19/54 (2006.01);
U.S. Cl.
CPC ...
F04D 29/056 (2013.01); F01D 25/16 (2013.01); F02C 7/06 (2013.01); F04D 17/10 (2013.01); F04D 17/12 (2013.01); F04D 25/0606 (2013.01); F04D 29/051 (2013.01); F04D 29/058 (2013.01); F04D 29/059 (2013.01); F16C 21/00 (2013.01); F16C 32/0442 (2013.01); F16C 32/0489 (2013.01); F16C 39/02 (2013.01); F05D 2220/40 (2013.01); F05D 2240/51 (2013.01); F16C 17/04 (2013.01); F16C 19/06 (2013.01); F16C 19/26 (2013.01); F16C 19/54 (2013.01); F16C 19/543 (2013.01); F16C 35/073 (2013.01); F16C 2226/50 (2013.01); F16C 2360/42 (2013.01); F16C 2360/44 (2013.01); F16C 2380/26 (2013.01);
Abstract
A centrifugal compressor () that includes: an auxiliary bearing () which supports a shaft (), which is supported by a magnetic bearing (), when the shaft () is displaced from a reference position; and a stopper () that is provided only for a first auxiliary bearing () among the first auxiliary bearing () and a second auxiliary bearing (), that is fixed to the shaft (), and that restricts a movement of the shaft () in both directions in an axial direction by the stopper () being brought into contact with the first auxiliary bearing ().