Apparatus for combustion of biofuels

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United States of America Patent

PATENT NO 7721661
SERIAL NO

11550494

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Abstract

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A heating apparatus for the combustion of highly variable biofuel feed stocks is generally provided. The apparatus generally includes a combustion chamber or burn box adapted to receive a regulated feed of biomass. The burn box includes a grate for receipt of a distributed mass of the regulated feed, and further includes an oscillating blade adjacent to the grate for agitation of the distributed mass of the regulated feed received thereby. The combustion apparatus for the production of thermal energy from a biofuel of the subject invention is preferably and further characterized by means for producing the distributed mass of the regulated feed of biofuel, and/or a burn box incorporating an oxygen manifold assembly adjacent to the grate.

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Patent Owner(s)

Patent OwnerAddress
HESTIA HEATING PRODUCTS INC8401 WEST 35W SERVICE DRIVE MINNEAPOLIS MN 55449-7209

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mast, Marion L Blooming Prairie, US 3 14
Nelson, Eric W Minneapolis, US 53 1016

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