Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher Naunheimer0
Paul A. Sechrist0
Date of Patent
February 15, 2011
0Patent Application Number
123325590
Date Filed
December 11, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Method and apparatus are provided for transferring particles from an upper zone through an intermediate zone to a lower zone. The transfer of particles between the zones through valveless conduits is regulated by varying the pressure of the intermediate zone and the flow rate of gas passing through the valveless conduits. A body within the lower zone is in particle communication with a valveless conduit and obstructs the particle flow within the lower zone.
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