US PATENT SUBCLASS 261 / 79.1
.~ Rotating gases

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

75  DF  CONTACT DEVICES {11}
79.1.~ Rotating gases {1}
79.2  DF  .~.~> Noncarburetor

DEFINITION

Classification: 261/79.1

Rotating gases:

(under subclass 75) Apparatus wherein gases are rotated or deflected into a vortex during contact.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing, appropriate subclasses following

461, for whirler structures applicable in gas conduits.