Invention Grant
US08205860B2 Valve with a structure for mitigating abrasive wear or galling of sealing surfaces between a seat ring and a closure member during their relative sliding contact with each other
有权
具有用于减轻座圈和封闭构件之间的密封表面的磨损磨损或磨损的结构的阀，它们在彼此相对滑动接触期间
- Patent Title: Valve with a structure for mitigating abrasive wear or galling of sealing surfaces between a seat ring and a closure member during their relative sliding contact with each other
- Patent Title (中): 具有用于减轻座圈和封闭构件之间的密封表面的磨损磨损或磨损的结构的阀，它们在彼此相对滑动接触期间
-
Application No.: US12377303Application Date: 2006-08-14
-
Publication No.: US08205860B2Publication Date: 2012-06-26
- Inventor: Yongsheng Song
- Applicant: Yongsheng Song
- Agency: Global IP Services
- Agent Tianhua Gu
- International Application: PCT/CN2006/002051 WO 20060814
- International Announcement: WO2008/031247 WO 20080320
- Main IPC: F16K5/00
- IPC: F16K5/00
Abstract:
A ball valve or any other type of valve in which sealing surface of the seat ring and surface of closure member keep relative sliding contact during opening and closing movement of the valves. One or more annular grooves cut into sealing surface of the seat ring around it's bore are filled with lubricant or grease used for lubricating the surfaces so as to avoid or mitigate their abrasive wear or galling caused by frictional heat.
Public/Granted literature
Information query
