US PATENT SUBCLASS 110 / 265
.~ Having secondary air mixing means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


110 /   HD   FURNACES

263  DF  UTILIZING POWDERED FUEL {3}
265.~ Having secondary air mixing means

DEFINITION

Classification: 110/265

Having secondary air mixing means:

(under subclass 263) Apparatus provided with variable control means to intermingle the suspended pulverized fuel with air other than that used to suspend the fuel to thereby produce a desired air-fuel mixture.