Title:
CHECK VALVE CAPABLE OF CONTROLLING FAST AND SLOW CLOSING BY MEANS OF VARIABLE THROTTLE
Document Type and Number:
WIPO Patent Application WO/2016/047858
Kind Code:
A1
Abstract:
The invention relates to a check valve capable of controlling fast and slow closing by means of a variable throttle and, more particularly, to a check valve capable of controlling fast and slow closing by means of a variable throttle, the valve being operated as a fast closing with high speed at the time of an initial closing of the valve, and then operated as a slow closing with low speed by means of a buffering damper, thereby being capable of preventing water impact as well as noise and vibration.
Inventors:
YANG JAE GU (KR)
YANG JAI YOUL (KR)
OH JAE WOOK (KR)
YANG JI SUK (KR)
YANG JAI YOUL (KR)
OH JAE WOOK (KR)
YANG JI SUK (KR)
Application Number:
PCT/KR2014/011355
Publication Date:
March 31, 2016
Filing Date:
November 25, 2014
Export Citation:
Assignee:
FLOWTECH CO LTD (KR)
YANG JAE GU (KR)
YANG JAE GU (KR)
International Classes:
F16K15/03; F16K47/02; F16L55/045
Foreign References:
| JP2003090301A | 2003-03-28 | |||
| JPH08261347A | 1996-10-11 | |||
| JP2001050412A | 2001-02-23 | |||
| KR20090106243A | 2009-10-08 |
Attorney, Agent or Firm:
OH, CHANG SUK (KR)
오창석 (KR)
오창석 (KR)
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