US PATENT SUBCLASS 384 / 132
.~.~.~ Fluid barrier

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
130  DF  .~.~ With specified seal {12}
132.~.~.~ Fluid barrier {2}
133  DF  .~.~.~.~> Magnetic fluid
134  DF  .~.~.~.~> Gas

DEFINITION

Classification: 384/132

Fluid barrier:

(under subclass 130) Subject matter wherein the seal comprises a sealing barrier of liquid, of gas, or of a mixture of both.

(1) Note. These subclasses includes centrifugal means to pump a sealing fluid.