Gas circulator

Details Gas circulator Gas circulator

1986-06-24

1988-02-16

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

415170A, 417423R, 310 90, 310 905, F04D 2904

Patent

active

047251980

ABSTRACT:
A gas circulator, e.g. for circulating a coolant gas in a nuclear power station, the circulator comprising a shaft (34) rotatable about its axis, circulation blades (54, 56) mounted adjacent one end of the shaft for rotation in the coolant gas, a first bearing, (32), in the form of an active magnetic bearing adjacent one end of the shaft, a seal mounted around the shaft between the first bearing and the blades to prevent the circulating fluid from entering the first bearing, a second bearing (32) in the form of a fluid lubricated bearing spaced from one end of the shaft and a motor to rotate the shaft, the second bearing having a journal bearing portion and an axial thrust bearing portion.

REFERENCES:
patent: 2799227 (1957-07-01), Allen
patent: 3694110 (1972-09-01), Guinard
patent: 3764236 (1973-10-01), Carter
patent: 3850550 (1974-11-01), Kaessen
patent: 4579508 (1986-04-01), Tsumaki et al.

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