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1. (WO2017034061) DEVICE FOR MONITORING FRACTURING OF STEM OF VALVE DRIVER

Pub. No.:    WO/2017/034061    International Application No.:    PCT/KR2015/009095
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 29 01:59:59 CEST 2015
IPC: F16K 35/00
G01B 5/30
F16K 37/00
Applicants: KOREA INSTITUTE OF MACHINERY & MATERIALS
한국기계연구원
Inventors: LEE, Sang-hyuk
이상혁
KIM, Dae-hwan
김대환
LEE, Tae-hyun
이태현
RYU, Kyung-ha
류경하
KIM, Sang-kyo
김상교
KIM, Jae-hyung
김재형
KIM, Young-joong
김영중
Title: DEVICE FOR MONITORING FRACTURING OF STEM OF VALVE DRIVER
Abstract:
A device for monitoring fracturing of a stem of a valve driver is fixed to at least one of a driving stem and a valve stem of a valve driver, diagnoses or predicts fracturing of the driving stem or the valve stem, and comprises upper and lower fixing portions and a plurality of post portions. The upper and lower fixing portions are spaced from each other by a predetermined distance. The plurality of post portions have both ends fixed to the upper and lower fixing portions, respectively, and extend in a direction parallel with the direction of extension of the driving stem or the valve stem.