US PATENT SUBCLASS 431 / 184
.~.~.~.~ Pivotally adjustable blades


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  DF  .~.~.~ Row of stationary blades coaxial with disperser whirls air {1}
184.~.~.~.~ Pivotally adjustable blades


DEFINITION

Classification: 431/184

(under subclass 183) Apparatus wherein the fins are pivotally mounted so that the angle at which they direct air may be changed, if desired.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing,

402.5, for disperser structure, per se, including combining of separately supplied fluids with adjustable whirling means.

454, Ventilation,

313+, for an air register having pivoted slats.