Invention Grant
- Patent Title: Spacer ring for elastomeric seal
- Patent Title (中): 弹性密封垫圈
-
Application No.: US12251000Application Date: 2008-10-14
-
Publication No.: US07896109B2Publication Date: 2011-03-01
- Inventor: Chih Lin
- Applicant: Chih Lin
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Bracewell & Giuliani LLP
- Main IPC: E21B10/25
- IPC: E21B10/25
Abstract:
A roller cone bit is provided that includes a companion ring positioned adjacent to the seal, wherein the companion ring is formed of a porous material that is compatible with the fluid lubricating the interface between the roller cone and the bearing pin.
Public/Granted literature
- US20100089657A1 SPACER RING FOR ELASTOMERIC SEAL Public/Granted day:2010-04-15
Information query
