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:
Jan. 14, 2025

Filed:

Nov. 08, 2021
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Makoto Kondo, Tokyo, JP;

Takehiko Yamaguchi, Tokyo, JP;

Katsuhisa Hamada, Kanagawa, JP;

Takashi Nakano, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 21/00 (2006.01); F01D 11/24 (2006.01);
U.S. Cl.
CPC ...
F01D 21/003 (2013.01); F01D 11/24 (2013.01); F05D 2220/31 (2013.01); F05D 2270/305 (2013.01); F05D 2270/71 (2013.01); F05D 2270/821 (2013.01);
Abstract

A monitoring device for a rotary machine is a monitoring device for monitoring a clearance of a rotary machine including a casing for housing a rotating part and a stationary part, including: at least one position sensor disposed outside the casing and configured to detect a relative position of the casing to the rotating part in a radial direction; and an estimation unit configured to obtain an estimated value of an internal clearance between the rotating part and the stationary part in the casing, based on a measured value detected by the at least one position sensor.


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