Protector for rock bit seals
作者： Chih C. Lin
DOI:
关键词:
摘要: An earth-boring bit has a body with depending bearing pin (15) and cone (17) rotatably mounted thereon. A seal (29) seals between the cone. annular set of bristles (45) is located adjacent at least part dynamic surface to protect against debris.
lens.org 参考文章(14)
Theodore R. Dysart, Sealed rotary blast hole drill bit utilizing air pressure for seal protection ,(1990)
John Fuller, Rotary drill bits for use in coring holes in subsurface formations ,(1986)
Wallace Wheeler, Packing member with reduced friction ,(1996)
Alysia Canson White, Anthony Griffo, James L Neville, Steven Wilford Peterson, Manikiran Bandi, Alan W Lockstedt, Michael Allen Siracki, Peter T Cariveau, James L Larsen, Self relieving seal ,(2003)
Donald G. Maurer, Peter L. Stanwicks, Coal pulverizer brush seal assembly ,(2003)
Roger Didericksen, Gary Ray Portwood, Peter Cariveau, Robert Denton, Chris Edward Cawthorne, Robert H. Slaughter, Dual-seal drill bit pressure communication system ,(2002)
Chris E. Cawthorne, Zhigang Fang, Michael A. Siracki, Sujian Huang, Dual functioning seal for rock bits ,(1997)
Manmohan Singh Kalsi, Hydrodynamic lubricant seal for drill bits ,(1984)
Theodore R. Dysart, Cone mouth debris exclusion shield ,(1986)
Roger Didericksen, Brian A. James, G. Steve Kyker, Robert Denton, Chris E. Cawthorne, Zhigang Fang, Sujian Huang, Composite earth boring bit seal ,(1997)