Rotary motion feedthrough with rotating magnet system

Details Rotary motion feedthrough with rotating magnet system Rotary motion feedthrough with rotating magnet system

1997-09-30

1999-11-02

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

310 905, F16J 1540, F16J 1553

Patent

active

059755369

ABSTRACT:
A rotary motion feedthrough for coupling rotary motion from a rotatable shaft between an atmospheric side to a vacuum side includes a dynamic magnetic seal formed of magnets separated by pole rings which rings are formed integral with the shaft to form a magnetic system which rotates with the shaft.

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Genmark Pole Piece shown in drawings 94111810, 94111801 and 94111800 of Rigaku/USA, Inc. sold Feb. 16, 1995.

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