US PATENT SUBCLASS 310 / 90.5
.~.~.~.~ Magnetic bearing

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
66  DF  .~.~ With other elements {7}
90  DF  .~.~.~ Bearing or air-gap adjustment or bearing lubrication {1}
90.5.~.~.~.~ Magnetic bearing

DEFINITION

Classification: 310/90.5

Magnetic bearing:

(under subclass 90) Subject matter wherein the bearing has an induction field.

SEE OR SEARCH CLASS

219, Electric Heating,

647+, especially indented subclass 648 for electrically heating a body while magnetically suspending or supporting it.

250, Radiant Energy,

201+, for photoelectric cell systems adapted for use in magnetic suspensions.

310, Electrical Generator or Motor Structure,

166, for means for suspending a body by means of an induction field. 324, Electricity: Measuring and Testing,

151, for electric meters having magnetic suspensions.

361, Electricity: Electrical Systems and Devices,

139+, for control circuits for electromagnetic devices, especially subclasses 143+ or magnetic retention.