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Method and apparatus for automated, modular, biomass power generation

United States Patent

November 5, 2013
View the Complete Patent at the US Patent & Trademark Office
Method and apparatus for generating a low tar, renewable fuel gas from biomass and using it in other energy conversion devices, many of which were designed for use with gaseous and liquid fossil fuels. An automated, downdraft gasifier incorporates extensive air injection into the char bed to maintain the conditions that promote the destruction of residual tars. The resulting fuel gas and entrained char and ash are cooled in a special heat exchanger, and then continuously cleaned in a filter prior to usage in standalone as well as networked power systems.
Diebold; James P. (Lakewood, CO), Lilley; Arthur (Finleyville, PA), Browne, III; Kingsbury (Golden, CO), Walt; Robb Ray (Aurora, CO), Duncan; Dustin (Littleton, CO), Walker; Michael (Broomfield, CO), Steele; John (Aurora, CO), Fields; Michael (Arvada, CO), Smith; Trevor (Lakewood, CO)
Afognak Native Corporation (Anchorage, AK)
13/ 028,090
February 15, 2011
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of SBIR Contract No. DE-FG02-03ER83630 and SMB Contract No. ZDH-9-29047-01, both awarded by the U.S. Department of Energy.