Continuously operable mechanical or electrical power source fueled by gas or solid fuel including gas from improved biomass downdraft gasifier
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 3, 2020
Grant Date -
Mar 28, 2019
app pub date -
Sep 26, 2017
filing date -
Sep 26, 2017
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Abstract
The invention includes a downdraft gasifier having a rotatable auger/grate extending through its reduction zone. The auger at times moves biofuel through the gasifier and at times supports it in the gasifier. A frusto-conical biomass grate funnels biomass onto the auger and is perforate for permitting the passage of gases while retaining the biomass. A guide tube surrounds the auger below the frusto-conical biomass grate. The invention also includes mixing gas or solid particulate fuel in a conduit segment that houses a mixing chamber. Fuel is fed through a fuel inlet port into the mixing chamber. High velocity combustion air from a blower is forced into the mixing chamber through a restricted orifice that generates a suction pressure for drawing gas or solid particulate fuel into the mixing chamber. A combustion chamber supply conduit delivers fuel from the mixing chamber into a burner.
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