Barrier sealing system for centrifugal compressors

Details Barrier sealing system for centrifugal compressors Barrier sealing system for centrifugal compressors

2007-05-24

2010-12-21

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

C415S174200, C415S231000, C277S355000

Reexamination Certificate

active

07854584

ABSTRACT:
A rotary machine includes a machine rotor, a bearing coupled to the machine rotor, a machine stator, and a sealing device disposed between the machine rotor and the machine stator. The sealing device includes a dry gas seal and first and second seals disposed between the dry gas seal and the bearing. One or both of the first and second seals includes a brush seal or more specifically a brush seal including a plurality of non-metallic fibers.

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“EP Search Report for EP08156777; Dated Sep. 22, 2008.”; (5 Pages).

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