Rotary feeder for solid fuel

摘要

The solid fuel feeder for a stove, wood-burning heater or fireplace, consists of a rotary loader with a series of radial vanes (2) projecting from a central axle and rotating inside a fixed cylinder (3). The vanes form a series of compartments which are filled with fuel and equipped with trap doors (5) which open to release then fuel into the combustion chamber as the loader rotates. In a variant of the design the vanes can be located between two coaxial cylinders, the inner one of which forms the combustion chamber and is covered by a grate to which the fuel is delivered as the loader rotates.