(under subclass 101) Devices for blowing the fuel into the firebox either by air or steam or both conjoined together, with devices for conveying the fuel to the blower into the path of the fluid current, and all devices for preparing the fuel by pulverizing it if subsequently delivered to the furnace by a fluidjet.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
638+, for a thrower-type conveyor.
406, Conveyors: Fluid Current, appropriate subclasses for means to convey solids with a fluid current. Class 406 will take a nominally recited furnace combined with a fluid current conveyor.
