Thrust control system for gas-bearing turbocompressors

Details Thrust control system for gas-bearing turbocompressors Thrust control system for gas-bearing turbocompressors

1995-05-25

1996-10-22

Koczo, Michael

Pumps

Motor driven

Axial thrust balancing means for rotary pump and motor

417407, F01D 300, F04B 1700, F04D 2904

Patent

active

055671292

ABSTRACT:
A thrust control system for use with a turbocompressor having gas bearings in which the average static pressure in the compressor housing differs substantially from the average static pressure in the expander housing which, during operation of the turbocompressor, will reduce the net resulting thrust to nearly zero without compromising the performance of the turbocompressor. In one embodiment of the invention, the thrust control system includes a pair of gas-dynamic thrust bearings and one compensation chamber with prescribed area and pressure ratios such that under static conditions the equilibrium position of the rotating assembly portion of the turbocompressor is in the center of the axial clearance range and under dynamic conditions the maximum displacement from center does not exceed the existing clearance.

REFERENCES:
patent: 2864552 (1958-12-01), Anderson
patent: 4808070 (1989-02-01), Bonardi

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