US PATENT SUBCLASS 454 / 102
.~.~.~.~ Wheel-axle operated fan

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
83  DF  .~ Railcar, bus, or trailer {10}
99  DF  .~.~ Having forced recirculation {1}
100  DF  .~.~.~ Having forced recirulation means alone {2}
102.~.~.~.~ Wheel-axle operated fan

DEFINITION

Classification: 454/102

Wheel-axle operated fan:

(under subclass 100) Subject matter comprising a device for adding energy to and moving the air, which device is driven by a rotating shaft which supports a wheel of the transporting device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106, for a railcar, bus, or trailer having both an inlet and an outlet airway and including wheel-axle operated fans.

114, for a railcar, bus, or trailer having a wheel-axle operated fan associated with an inlet airway.

117, for a railcar, bus, or trailer having a wheel-axle operated fan associated with an outlet airway.