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:
Jul. 07, 2026
Filed:
Feb. 15, 2022
Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd., Nagasaki, JP;
Tadashi Yoshida, Tokyo, JP;
Hidetaka Nishimura, Nagasaki, JP;
Akifumi Tanaka, Nagasaki, JP;
Shinji Ogawa, Tokyo, JP;
Isao Tomita, Tokyo, JP;
Tohru Suita, Tokyo, JP;
Ryoji Sasaki, Tokyo, JP;
Abstract
A vibration monitoring device includes: a rotation sensor for outputting a rotation signal synchronized with rotation of a rotational shaft; an output device for outputting a filter command value corresponding to a rotation speed of the rotational shaft calculated from the rotation signal; and at least one filter for extracting, in response to input of the rotation signal and the filter command value, a signal in a passband set according to the filter command value from the rotation signal as a vibration signal from which vibration information of the rotational shaft can be obtained.