Axial thrust balancing system for a centrifugal compressor,...

Details Axial thrust balancing system for a centrifugal compressor,... Axial thrust balancing system for a centrifugal compressor,...

2006-02-28

2006-02-28

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

In separate chamber having non-system fluid inlet

C415S107000, C415S111000, C415S230000

Reexamination Certificate

active

07004719

ABSTRACT:
An axial thrust balancing system for a centrifugal compressor, having improved safety characteristics, the centrifugal compressor comprising a rotor having impellers adjacent to each other and connected by a shaft, the rotor rotating in a stator, the centrifugal compressor additionally including a balancing piston, a balancing line being provided between an intake of a first compression stage and an area downstream of the balancing piston; this system comprises an intake mechanical gas seal around the shaft upstream of the first compression stage and an outlet mechanical gas seal downstream of the balancing piston, the balancing line being closable by blocking elements.

REFERENCES:
patent: 5412977 (1995-05-01), Schmohl et al.
patent: 2592688 (1987-07-01), None
patent: 08296584 (1996-11-01), None

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