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. 07, 2023
Filed:
Mar. 08, 2019
Mitsubishi Electric Corporation, Tokyo, JP;
Kohei Samata, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
Provided an inspection method for a rotating electric machine, including: a first step of acquiring a first image by imaging a pattern formed on an outer peripheral surface of a retaining ring over an entire circumference of the retaining ring with use of an image pickup element mounted to a non-rotating portion of the rotating electric machine under a state in which the retaining ring is rotated; a second step of acquiring a second image by imaging the pattern over the entire circumference of the retaining ring with use of the image pickup element under the state in which the retaining ring is rotated, the second step being executed after the first step with an operation of the rotating electric machine interposed; and a third step of acquiring a distortion distribution of the retaining ring based on the first image and the second image.