Title:
SAFETY VALVE HAVING DAMPING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2023/054814
Kind Code:
A1
Abstract:
A safety valve having a damping function according to an embodiment of the present invention comprises: a body portion having a disc, to which a spindle is axially coupled, provided therein so that, when a fluid flows in the body portion through a sheet and reaches a set pressure, the disc moves up and the fluid is discharged through an outlet; a compressor which is coupled to the spindle at one side of a flange provided on the body portion so as to surround the spindle, and which comprises a spring compressed when the spindle moves up along with the disc and a lower plate attached to one end portion of the spring facing the flange; and a damper portion which is provided on the flange and has an inside space formed as a chamber space with air so that the descending speed of the lower plate is decreased by the resistance of the air in the chamber space when the lower plate descends.
Inventors:
KIM DONG-YOEL (KR)
KIM YOUNG-MIN (KR)
LEE MIN-GOO (KR)
KIM YOUNG-MIN (KR)
LEE MIN-GOO (KR)
Application Number:
PCT/KR2021/019039
Publication Date:
April 06, 2023
Filing Date:
December 15, 2021
Export Citation:
Assignee:
K2N CO LTD (KR)
International Classes:
F16K47/00; F16K17/04; F16K31/126
Foreign References:
| JPH0932942A | 1997-02-07 | |||
| KR20040049073A | 2004-06-11 | |||
| KR20080044167A | 2008-05-20 | |||
| KR19990023054U | 1999-07-05 | |||
| US20020027211A1 | 2002-03-07 |
Attorney, Agent or Firm:
KIM, Jung Mok (KR)
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