Horizontal centrifugal pumping system

Pumps – Motor driven – Axial thrust balancing means for rotary pump and motor

Reexamination Certificate

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Details

C384S606000

Reexamination Certificate

active

07104766

ABSTRACT:
The present invention provides a thrust bearing assembly and a horizontal skid utilized in a horizontal pumping system. In one embodiment, the thrust bearing assembly comprises a cylindrical open housing, at least one radial ball bearing, at least one rotating seal, and at least one axial thrust bearing. The axial thrust bearing does not have to be completely submerged in lubricant.

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patent: 3999897 (1976-12-01), Strub
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patent: 5667314 (1997-09-01), Limanowka et al.
patent: 5779434 (1998-07-01), De Long
patent: 5957656 (1999-09-01), De Long
patent: 6264440 (2001-07-01), Klein et al.
patent: 2236762 (1998-11-01), None

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