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:
Jun. 02, 2026
Filed:
Aug. 16, 2023
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Yusuke Suzuki, Yokohama Kanagawa, JP;
Kenichi Kase, Yokohama Kanagawa, JP;
Yasuteru Kawai, Yokohama Kanagawa, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Abstract
A damage evaluation apparatus includes an acquisition unit configured to acquire a plurality of detection data from a plurality of sensors installed in a steam turbine, a calculation unit configured to calculate the operating state quantity of a nozzle diaphragm in the steam turbine based on a plurality of detection data, a computation unit configured to compute the creep deformation velocity of the nozzle diaphragm based on the operating state quantity, and an estimation unit configured to estimate the deformation amount of the nozzle diaphragm based on the creep deformation velocity according to a future operation plan for the steam turbine.