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ROTARY FEEDERS, ROTOR ASSEMBLIES FOR ROTARY FEEDERS AND RELATED METHODS

United States Patent Application

20110049198
A1
View the Complete Application at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A rotor assembly for a rotary feeder apparatus may include a hollow central shaft, a plurality of circumferentially spaced blades extending generally radially from the hollow central shaft partially forming a plurality of compartments, and at least one valve element associated with an opening formed in a wall of the central shaft. A rotary feeder apparatus may include a housing, a material inlet and outlet, and a rotor assembly. A stationary cam may be disposed within the hollow central shaft of the rotor assembly and a surface of the cam may displace a valve element. Methods of operating a rotary feeder apparatus may include loading a particulate material into a compartment of a rotary feeder, rotating the compartment, supplying a gas to the compartment through an opening in a wall of the hollow central shaft in communication with the compartment, and unloading the particulate material from the compartment.
Muth, David J. (Ammon, ID)
BATTELLE ENERGY ALLIANCE, LLC (Idaho Falls ID)
12/ 548,308
August 26, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under Contract No. DE-AC07-05ID14517 awarded by the United States Department of Energy. The government has certain rights in the invention.