Title:
ADJUSTABLE MECHANICAL SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/165740
Kind Code:
A1
Abstract:
An adjustable mechanical sealing device, comprising a sealing ring (100). The sealing ring (100) is provided with multiple runners (110) in a peripheral direction; the sealing ring (100) is provided with adjusting valves (200) corresponding to the runners (110); each adjusting valve (200) comprises a valve cavity (210) and a valve core (220); the valve core (220) is slidably disposed in the valve cavity (210); the runner (110) is provided with a valve port (111) matching the valve core (220); and the valve cavity (210) is filled with an adjusting medium (300).
More Like This:
| WO/2003/010451 | BUSHING ARRANGEMENT FOR SEAL CAVITY PROTECTION IN ROTATING FLUID EQUIPMENT |
| JP6708496 | mechanical seal |
| JP6616932 | Sliding parts |
Inventors:
HUANG WEIFENG (CN)
LIU XIANGFENG (CN)
YIN YUAN (CN)
LIU YING (CN)
GAO ZHI (CN)
SUO SHUANGFU (CN)
LI YONGJIAN (CN)
WANG ZIXI (CN)
JIA XIAOHONG (CN)
GUO FEI (CN)
LIU XIANGFENG (CN)
YIN YUAN (CN)
LIU YING (CN)
GAO ZHI (CN)
SUO SHUANGFU (CN)
LI YONGJIAN (CN)
WANG ZIXI (CN)
JIA XIAOHONG (CN)
GUO FEI (CN)
Application Number:
PCT/CN2018/094646
Publication Date:
September 06, 2019
Filing Date:
July 05, 2018
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
International Classes:
F16J15/34; F16J15/16; F16J15/40
Foreign References:
| CN103711912A | 2014-04-09 | |||
| CN201293141Y | 2009-08-19 | |||
| CN102128272A | 2011-07-20 | |||
| CN203784293U | 2014-08-20 | |||
| JPH1054464A | 1998-02-24 | |||
| JPS63135660A | 1988-06-08 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
Download PDF:
Previous Patent: DECORATIVE CAP OF CENTER OF VEHICLE HUB
Next Patent: LIGHT SOURCE SYSTEM AND LIGHTING DEVICE
Next Patent: LIGHT SOURCE SYSTEM AND LIGHTING DEVICE