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.

Date of Patent:
Nov. 05, 2024

Filed:

Dec. 19, 2019
Applicant:

Mitsubishi Generator Co., Ltd., Hyogo, JP;

Inventors:

Norihiko Hana, Tokyo, JP;

Masao Akiyoshi, Tokyo, JP;

Daichi Goto, Tokyo, JP;

Kazuaki Ogura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 21/32 (2006.01); H02K 3/487 (2006.01);
U.S. Cl.
CPC ...
G01B 21/32 (2013.01); H02K 3/487 (2013.01);
Abstract

This device includes: an input unit for receiving a shape of an inspection target surface of a wedge exposed from a slot with no force applied to the wedge; a relation storage unit which acquires and stores, as a deformation reaction force relation, a relation between a reaction force of a spring at the inspection target surface of the wedge and deformation distribution from the shape of the inspection target surface of the wedge inputted to the input unit; a measurement unit for measuring measurement deformation distribution of the inspection target surface of the wedge; an estimation unit for estimating an estimation reaction force from the measurement deformation distribution and the deformation reaction force relation; and a judgement unit for judging proper/fault about looseness of the wedge from the estimation reaction force.


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