155905 ⎘
Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel forming a column, stack or thick layer with the combustion zone at its bottom the flue gases being removed downwards through one or more openings in the fuel-supporting surface
Heating Device Using Wood Fuel
#2Reverse combustion type combustion apparatus
#3Highly efficient wood stove/heater
#4Combustion system
#5Clean burning furnace method and apparatus
#6Downdraft gasifier with improved stability
#7Clean burning furnace method and apparatus
#8High efficiency wood or biomass boiler
#9Wood-pellet cogeneration unit with stirling engine in condensing technology
#10Pellet burning heating assembly