Firepot with ash-dumping floor

Details Firepot with ash-dumping floor Firepot with ash-dumping floor

1995-06-06

1996-12-10

Dority, Carroll B.

Furnaces

Refuse incinerator

Rotary grate movable about a vertical axis

126182, 110259, 110165R, F23G 500

Patent

active

055821170

ABSTRACT:
Embodiments of a combustion firepot are shown and described, each having a means for dumping ashes and other burn debris from the firepot. The preferred embodiment is a pellet stove firepot with an interior ramped wall. Pellets are delivered to the firepot and directed by the ramp to rest and burn in a lower burn section on top of a movable floor. The movable ash-dumping floor is adapted to swing or slid away from the firepot to reveal an opening to permit ashes which have accumulated above it to be dumped out the bottom of the firepot. Preferably, when the heat demand for a room is satisfied, pellets are allowed to burn to ash, the floor is cycled open and closed to dump the ash, and then pellet delivery and burning is resumed. The dumping procedure may be done manually or automatically and either occasionally or periodically, depending on the demands placed on the system by the ash-producing tendency of the chosen fuel.

REFERENCES:
patent: 1307909 (1919-06-01), Leask
patent: 1957583 (1934-05-01), Foresman
patent: 2693775 (1954-11-01), Berry
patent: 2933057 (1960-04-01), Wilson
patent: 5000100 (1991-03-01), Mendive et al.

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