Gas compressor with labyrinth sealing and active magnetic bearin

Details Gas compressor with labyrinth sealing and active magnetic bearin Gas compressor with labyrinth sealing and active magnetic bearin

1988-10-17

1989-12-26

Garrett, Robert E.

Expansible chamber devices

With linkage or transmission having relatively movable members

92162R, 92165R, 92166, 277 53, 277214, 277215, 310 905, F01B 902, F16J 1516

Patent

active

048890391

ABSTRACT:
The invention, a high-pressure, reciprocating, gas compressor, employs labyrinths to create gas sealing, annular, air dams between the piston and cylinder bore, and piston rod and an aperture in an end wall or closure of the cylinder through which the rod translates, and active magnetic bearings to maintain the piston and rod at their centroids, equally and minutely spaced, fully thereabout, within the bore and aperture. Too, the drive mechanism, a scotch yoke arrangement, has further, active magnetic bearings, to centralize a drive shaft in its housing, and to effect a non-contacting travel of the drive shaft's offset crank, which translates the piston rod, within the yoke.

REFERENCES:
patent: 17855 (1857-07-01), Gale
patent: 2878990 (1959-03-01), Zurcher
patent: 3422765 (1969-01-01), Schoch
patent: 3731984 (1973-05-01), Habermann
patent: 4304410 (1981-12-01), Erickson et al.
patent: 4389849 (1983-06-01), Gasser et al.
patent: 4627795 (1986-12-01), Schmitz-Montz
Societe de Mecanique Magnetique, Actidyne, Application of Active Magnetic Bearings to Industrial Rotating Machinery.
NASA, Magnetic Bearing with Active Control, 9/1981.

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