The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Oct. 18, 2006
Eric W. Nelson, Minneapolis, MN (US);
Marion L. Mast, Blooming Prairie, MN (US);
Eric W. Nelson, Minneapolis, MN (US);
Marion L. Mast, Blooming Prairie, MN (US);
Hestia Heating Products, Inc., Minneapolis, MN (US);
Abstract
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.