Title:
HYDRAULIC SNUBBER
Document Type and Number:
WIPO Patent Application WO/2016/043398
Kind Code:
A1
Abstract:
Provided in the present invention is a hydraulic snubber, which is installed on the outer surface of a pipe to prevent damage to the pipe by mitigating shock applied from outside of the pipe, and which is operated using flow resistance or elastic force of a spring to prevent damage to the pipe due to earthquakes or external shock. The objective of the present invention is achieved by the hydraulic snubber comprising first and second buffer units which absorb vibration and shock by limiting the flow resistance and movement of a fluid, wherein the first and second buffer units comprise first and second pistons that are integrally formed with a body provided with seal and packing grooves on the outer circumferential surface thereof, so that a seal and a packing can be respectively assembled thereto, wherein the first piston is provided with a valve hole on a lower portion to which a first check valve is coupled, and wherein the second piston is provided with a valve hole on an upper portion to which a second check valve is coupled.
Inventors:
CHO SUN YOUNG (KR)
HA SEUNG WOO (KR)
AN JONG GOO (KR)
CHOI HYUN SU (KR)
HA SEUNG WOO (KR)
AN JONG GOO (KR)
CHOI HYUN SU (KR)
Application Number:
PCT/KR2015/003945
Publication Date:
March 24, 2016
Filing Date:
April 21, 2015
Export Citation:
Assignee:
KLES INC (KR)
International Classes:
F16F9/32; F16F9/34; F16F9/50
Foreign References:
KR101345996B1 | 2013-12-31 | |||
KR19990068650A | 1999-09-06 | |||
JP2005127374A | 2005-05-19 | |||
US20030234146A1 | 2003-12-25 | |||
JPH07224879A | 1995-08-22 |
Attorney, Agent or Firm:
MO, Hyo Sin (KR)
모효신 (KR)
모효신 (KR)
Download PDF: