Magnetic-drive device for rotary machinery

Details Magnetic-drive device for rotary machinery Magnetic-drive device for rotary machinery

1987-11-25

1992-02-25

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Electrical or magnetic coupling

417420, F01D 2524

Patent

active

050909444

ABSTRACT:
A magnetic-drive device used for rotary machines, having a high torque transmitting efficiency, causing little temperature elevation of treated fluids and exhibiting mechanical strength and thermal shock resistance. The device comprises a chamber formed by combining a front casing with a rear casing to accommodate a rotor supporting a driven magnet. The rear casing consists of a cylindrical partition walled up at its one end with a bottom portion and provided with a flange portion on the other end, which partition having a thickness of 1.5-8 mm and consisting of a ceramic material having a specific resistance of at least 10.sup.7 .OMEGA.-cm. A driving magnet arranged outside the partition is magnetically coupled with the driven magnet through the partition.

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