Measuring Method For Steam Valve And Measuring Device For Steam Valve

Abstract: A measuring method for a steam valve according to at least one embodiment of the present disclosure comprises a step for measuring the acceleration of a valve stem when the valve stem is driven by an actuator to open a sub valve from a fully closed state of a main valve and the sub valve, a step for detecting the timing of full opening of the sub valve on the basis of the measured acceleration of the valve stem, and a step for calculating a movement of the valve stem from a reference position to a position where the sub valve is fully opened.

Patent Information

Application #

Filing Date

29 November 2023

Publication Number

38/2024

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

MITSUBISHI HEAVY INDUSTRIES, LTD.

2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

Inventors

1. NISHIDA, Shingo

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

2. HIROTA, Kazuo

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

3. SUZUKI, Fumiyuki

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

4. HATA, Masaki

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

Specification

Documents

Application Documents

#	Name	Date
1	202317081102-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [29-11-2023(online)].pdf	2023-11-29
2	202317081102-STATEMENT OF UNDERTAKING (FORM 3) [29-11-2023(online)].pdf	2023-11-29
3	202317081102-REQUEST FOR EXAMINATION (FORM-18) [29-11-2023(online)].pdf	2023-11-29
4	202317081102-POWER OF AUTHORITY [29-11-2023(online)].pdf	2023-11-29
5	202317081102-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [29-11-2023(online)].pdf	2023-11-29
6	202317081102-FORM 18 [29-11-2023(online)].pdf	2023-11-29
7	202317081102-FORM 1 [29-11-2023(online)].pdf	2023-11-29
8	202317081102-DRAWINGS [29-11-2023(online)].pdf	2023-11-29
9	202317081102-DECLARATION OF INVENTORSHIP (FORM 5) [29-11-2023(online)].pdf	2023-11-29
10	202317081102-COMPLETE SPECIFICATION [29-11-2023(online)].pdf	2023-11-29
11	202317081102-Proof of Right [11-12-2023(online)].pdf	2023-12-11
12	202317081102-MARKED COPIES OF AMENDEMENTS [23-01-2024(online)].pdf	2024-01-23
13	202317081102-FORM 13 [23-01-2024(online)].pdf	2024-01-23
14	202317081102-AMMENDED DOCUMENTS [23-01-2024(online)].pdf	2024-01-23
15	202317081102-FORM 3 [15-02-2024(online)].pdf	2024-02-15