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公开(公告)号:US3912425A
公开(公告)日:1975-10-14
申请号:US43328474
申请日:1974-01-14
申请人: SMITH INTERNATIONAL
发明人: TSCHIRKY JOHN E , CRASE GARY MONROE
CPC分类号: F16C33/043 , E21B4/003 , F03C2/08 , F16C2352/00
摘要: This invention relates to wear sleeves for sealed bearings.
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公开(公告)号:US3879094A
公开(公告)日:1975-04-22
申请号:US38858673
申请日:1973-08-15
申请人: SMITH INTERNATIONAL
发明人: TSCHIRKY JOHN E , CRASE GARY MONROE
CPC分类号: F16C33/043 , E21B4/003 , F16C2352/00
摘要: This invention relates to hard metal radial bearings particularly suitable in connection with thrust bearings which are lubricated by erosive fluids passing through the radial bearings as are employed in down-hole drilling motors.
摘要翻译: 本发明涉及特别适用于推力轴承的硬质金属径向轴承,该推力轴承是通过径向轴承的侵蚀流体润滑的,如在井下钻机中所采用的那样。
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