IMPROVED TPV CYLINDRICAL GENERATOR FOR HOME COGENERATION
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United States of America Patent
Stats
-
Dec 3, 2002
Grant Date -
Dec 5, 2002
app pub date -
May 30, 2001
filing date -
May 30, 2001
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
Our cylindrical TPV generator uses low bandgap PV cells mounted on circuits in a polygonal array around an IR emitter. The combustion gases are completely contained within the radiant tube burner. The PV array is mounted inside a leak-tight envelope cooled on its outer surface by either water or air flow. Flanges on either end of this PV array container allow for hermetic seals. A folded back coaxial emitter support tube provides a long path length limiting thermal conduction along its cylindrical wall from the very hot emitter section to the cooled seal flange. In our improved cylindrical TPV generator, we provide for a low temperature catalytic after-burn by providing a perforated turnaround plate coupling between the inner disk stack and the outer disk stack. This perforated turnaround plate provides a small amount of combustion air for the after-burn. A catalyst coating can be provided on the hotter surface of the outer finned disks. The after-burn occurs in the outer finned disk stack. Additional features are incorporated in our cylindrical TPV generator to provide for high conversion efficiency.
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