Rock bit having a flexible metal faced seal
作者： Alan Otto Lebeck
DOI:
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摘要: A sealing system includes a first gland in cone and second shaft region. ring is mounted the gland, third positioned between rings. The rings present pair of opposed metal seal faces. biasing spring configured to exert an axial force against so as keep faces contact. formed rings, with o-ring member installed within compressed relationship region supporting face body pivotally coupled
lens.org 参考文章(65)
Osamu Nakamura, Rotary shaft seal for drill bit cutters ,(1986)
Charles L Bronson, Sealed bearing earth boring bit ,(1970)
Thomas A. Wick, David E. Pearce, Jeffery E. Daly, Seal assembly for rolling cutter drill bits ,(1996)
Peterjon Ellis, Alan O. Lebeck, Gland assembly for use with mechanical seal ,(1998)
Alan Otto Lebeck, Rock bit having a pressure balanced metal faced seal ,(2013)
Alan Otto Lebeck, Rock bit having a radially self-aligning metal faced seal ,(2013)
Jr Joseph L Kelly, Michael F Welsh, Dual metal face seal with single recessed energizer ,(1992)
George F. Anderson, Weng-Kwen R. Chia, Mechanical face seal for rock bits ,(1988)
Bruce Hawley Burr, Jeffery E. Daly, Single energizer face seal for rocks bits with floating journal bearings ,(1999)
James C. Walter, Percy W. Schumacher, Seal assembly for roller cutter drill bit having a pressure balanced lubrication system ,(1991)