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. 02, 2020
Filed:
Feb. 01, 2018
Applicant:
Ihi Corporation, Koto-ku, JP;
Inventors:
Kenji Bunno, Tokyo, JP;
Yutaka Uneura, Tokyo, JP;
Shinichi Kaneda, Tokyo, JP;
Yuichi Daito, Tokyo, JP;
Hideyuki Kojima, Tokyo, JP;
Tomomi Sugiura, Tokyo, JP;
Shunsuke Nishii, Tokyo, JP;
Assignee:
IHI Corporation, Koto-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/16 (2006.01); F16C 35/02 (2006.01); F16C 17/18 (2006.01); F16C 17/04 (2006.01); F16C 33/10 (2006.01); F01D 25/00 (2006.01); F02B 39/14 (2006.01); F01D 9/06 (2006.01); F01D 25/18 (2006.01);
U.S. Cl.
CPC ...
F01D 25/16 (2013.01); F01D 9/06 (2013.01); F01D 25/00 (2013.01); F01D 25/168 (2013.01); F01D 25/18 (2013.01); F02B 39/14 (2013.01); F16C 17/04 (2013.01); F16C 17/18 (2013.01); F16C 33/1025 (2013.01); F16C 35/02 (2013.01); F05D 2220/40 (2013.01); F05D 2240/52 (2013.01); F16C 2360/24 (2013.01);
Abstract
A bearing structure includes: a housing; a bearing hole, which is formed in the housing, and receives a bearing configured to axially support a shaft having one end provided with an impeller; a clearance groove, which is formed in an inner circumferential surface of the bearing hole, and communicates with a passage formed on a lower side of the shaft; and an inclined portion formed on an inner wall surface of the clearance groove, which is positioned at least above the shaft.