Title:
DEVICE FOR MONITORING FRACTURING OF STEM OF VALVE DRIVER
Document Type and Number:
WIPO Patent Application WO/2017/034061
Kind Code:
A1
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.
Inventors:
LEE SANG-HYUK (KR)
KIM DAE-HWAN (KR)
LEE TAE-HYUN (KR)
RYU KYUNG-HA (KR)
KIM SANG-KYO (KR)
KIM JAE-HYUNG (KR)
KIM YOUNG-JOONG (KR)
KIM DAE-HWAN (KR)
LEE TAE-HYUN (KR)
RYU KYUNG-HA (KR)
KIM SANG-KYO (KR)
KIM JAE-HYUNG (KR)
KIM YOUNG-JOONG (KR)
Application Number:
PCT/KR2015/009095
Publication Date:
March 02, 2017
Filing Date:
August 28, 2015
Export Citation:
Assignee:
KOREA MACH & MATERIALS INST (KR)
International Classes:
F16K35/00; F16K37/00; G01B5/30
Domestic Patent References:
| WO1988008491A1 | 1988-11-03 | |||
| WO2002084157A1 | 2002-10-24 |
Foreign References:
| US5111690A | 1992-05-12 | |||
| US4879901A | 1989-11-14 | |||
| US5747697A | 1998-05-05 |
Attorney, Agent or Firm:
KIM, Min-tae (KR)
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