US PATENT SUBCLASS 431 / 183
.~.~.~ Row of stationary blades coaxial with disperser whirls air

Current as of: June, 1999
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431 /   HD   COMBUSTION

159  DF  FUEL DISPERSER INSTALLED IN FURNACE {10}
181  DF  .~ Plural feed means extending to common wall opening of furnace {4}
182  DF  .~.~ Duct with air whirling means surrounds disperser {1}
183.~.~.~ Row of stationary blades coaxial with disperser whirls air {1}
184  DF  .~.~.~.~> Pivotally adjustable blades

DEFINITION

Classification: 431/183

(under subclass 182) Apparatus wherein the means for spinning the air includes a ring of spaced fins coaxial with the disperser and which remain stationary while directing the air.