US PATENT SUBCLASS 454 / 261
.~ Including structure for mixing plural air streams together

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
261.~ Including structure for mixing plural air streams together {4}
262  DF  .~.~> And having specific noise inhibiting structure
263  DF  .~.~> With shaped nozzle {1}
265  DF  .~.~> With readily movable air regulating louver, damper, or cover {1}
269  DF  .~.~> With air pump

DEFINITION

Classification: 454/261

Including structure for mixing plural air streams together:

(under subclass 254) Subject matter in which the means for admitting the air includes a configuration which unites separately originating currents of air into a combined current of air.

(1) Note. A means which mixes induced flow recirculation air with fresh inlet air for flow into a ventilated space is included in this and indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228+, for a forced recirculation means which mixes plural airstreams together.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation, particularly

13, for plenum-type fluid mixers with automatic temperature and humidity regulation.