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. 13, 2018
Filed:
Jun. 16, 2015
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
IHI Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01L 5/24 (2006.01); G01L 1/10 (2006.01); F01D 5/04 (2006.01); F01D 1/00 (2006.01); F04D 29/26 (2006.01); G01L 5/12 (2006.01); F01D 5/10 (2006.01); F01D 21/00 (2006.01); F01D 25/04 (2006.01);
U.S. Cl.
CPC ...
G01L 5/12 (2013.01); F01D 5/04 (2013.01); F01D 5/10 (2013.01); F01D 21/003 (2013.01); F01D 25/04 (2013.01); F04D 29/266 (2013.01); G01L 1/106 (2013.01); G01L 5/246 (2013.01); F05D 2220/40 (2013.01); F05D 2260/96 (2013.01);
Abstract
An wheel fastening inspection method includes: directly or indirectly applying vibration to a turbine shaft to be inserted to a bearing housing, the turbine shaft being provided with wheels at both ends protruding from the bearing housing, at least one of the wheels being fastened by a fastening member, and a rotary member being fastened by a fastening force generated by the fastening member to the turbine shaft to be integrally rotated with the wheel; measuring the vibration of the turbine shaft; and determining whether or not a vibration frequency at which a peak of the measured vibration of the turbine shaft is given is included in a setting range previously set.