Turbo compressor and method of controlling the same

Details Turbo compressor and method of controlling the same Turbo compressor and method of controlling the same

1992-10-09

1994-05-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

Fluid force on opposite face of blade or blade support member

415107, 415 1, 415 14, 415118, 310 905, F01D 304

Patent

active

053122267

ABSTRACT:
A turbo compressor in which a rotor having impellers is supported by a magnetic bearing is constructed such that a control valve is provided in a thrust balancing line connecting a suction line of the compressor to a balancing chamber formed outside a balancing drum provided at one end side of a rotor. The control valve serves to regulate a rate at which a gas flows through the thrust balancing line, and is adapted to be controlled in relation to a load imposed upon the magnetic thrust bearing.

REFERENCES:
patent: 1347591 (1920-07-01), Roder
patent: 1499056 (1924-06-01), Hollander
patent: 1936066 (1933-11-01), Peterson
patent: 3105632 (1963-10-01), Tanzberger
patent: 5013987 (1991-05-01), Wakui
patent: 5104284 (1992-04-01), Hustak, Jr. et al.
Tribology International, Apr. 1980, vol. 13, No. 2, "an Active Magnetic Bearing System," H. Habermann and G. Liard, pp. 85-90.
Patent Abstracts of Japan-Publication No. JP3078596, Publication Date: Mar. 4, 1991-M. Takaharu, et al.
Patent Abstracts of Japan-Publication No. JP1187395, Publication Date: Jul. 26, 1989-Y. Yasuyuki.

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