US PATENT SUBCLASS 418 / 88
.~ With pump for non-working fluid

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

83  DF  HEAT EXCHANGE OR NON-WORKING FLUID LUBRICATING OR SEALING {13}
88.~ With pump for non-working fluid

DEFINITION

Classification: 418/88

(under subclass 83) Apparatus in which nonworking fluid is positively applied to the device or part thereof by a fluid displacement device having a movable fluid displacing element for impelling the nonworking fluid thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

101, for devices in which a fan or other air impelling means directs air to an outer surface of the device to remove heat therefrom generated in the operation of the device.