the fuel being fed from below through an opening in the fuel-supporting surface

Full Title

Combustion apparatus with driven means for feeding fuel into the combustion chamber > the fuel being fed from below through an opening in the fuel-supporting surface

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL