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. 05, 2015
Filed:
Nov. 17, 2010
E. Wayne Osborne, Moses Lake, WA (US);
Michael V. Spangler, Soap Lake, WA (US);
Levi C. Allen, Warden, WA (US);
Robert J. Geertsen, Moses Lake, WA (US);
Paul E. Ege, Markham, CA;
Walter J. Stupin, Whittier, CA (US);
Gerald Zeininger, Long Beach, CA (US);
E. Wayne Osborne, Moses Lake, WA (US);
Michael V. Spangler, Soap Lake, WA (US);
Levi C. Allen, Warden, WA (US);
Robert J. Geertsen, Moses Lake, WA (US);
Paul E. Ege, Markham, CA;
Walter J. Stupin, Whittier, CA (US);
Gerald Zeininger, Long Beach, CA (US);
REC Silicon Inc, Moses Lake, WA (US);
Abstract
Fluidized bed reactor systems for producing high purity silicon-coated particles are disclosed. A vessel has an outer wall, an insulation layer inwardly of the outer wall, at least one heater positioned inwardly of the insulation layer, a removable concentric liner inwardly of the heater, a central inlet nozzle, a plurality of fluidization nozzles, at least one cooling gas nozzle, and at least one product outlet. The system may include a removable concentric sleeve inwardly of the liner. In particular systems the central inlet nozzle is configured to produce a primary gas vertical plume centrally in the reactor chamber to minimize silicon deposition on reactor surfaces.