Title:
WOOD HEATER WITH ALTERNATING MICROWAVE LAUNCH LOCATIONS AND ENHANCED HEATING CYCLES
Document Type and Number:
WIPO Patent Application WO/2012/087874
Kind Code:
A8
Abstract:
An optimized system and process for heating wood using a microwave heater. The optimized system/process directs microwave energy towards different regions of the wood at different times during heating. In certain situations, microwave energy is introduced into the heater using microwave launchers and the system includes one or more microwave switches that control distribution of microwave energy to the microwave launchers so that two adjacent and/or opposing microwave launchers do not simultaneously introduce microwave energy into the heater. The optimized heating process also includes heating wood using a plurality of sequential heating cycles carried out at different conditions. For example, at least one of the heating cycles can be carried out at a lower input rate of microwave energy and/or at a lower pressure than one of the previous heating cycles.
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Inventors:
KIMREY HAROLD DALL (US)
ATTRIDE DAVID CARL (US)
OVERTURF BRAD WILLIAM (US)
SHELTON MARK ROBERT (US)
ATTRIDE DAVID CARL (US)
OVERTURF BRAD WILLIAM (US)
SHELTON MARK ROBERT (US)
Application Number:
PCT/US2011/065732
Publication Date:
September 07, 2012
Filing Date:
December 19, 2011
Export Citation:
Assignee:
EASTMAN CHEM CO (US)
International Classes:
B27K5/00; B27M1/00; F26B3/347; H05B6/64
Attorney, Agent or Firm:
MCGREEVEY, William, K. (Kingsport, TN, US)
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