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Annular recuperator design

United States Patent

October 4, 2005
View the Complete Patent at the US Patent & Trademark Office
An annular heat recuperator is formed with alternating hot and cold cells to separate counter-flowing hot and cold fluid streams. Each cold cell has a fluid inlet formed in the inner diameter of the recuperator near one axial end, and a fluid outlet formed in the outer diameter of the recuperator near the other axial end to evenly distribute fluid mass flow throughout the cell. Cold cells may be joined with the outlet of one cell fluidly connected to the inlet of an adjacent downstream cell to form multi-stage cells.
Kang; Yungmo (Los Angeles, CA)
Capstone Turbine Corporation (Chatsworth, CA)
09/ 966,514
September 27, 2001
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of the Advanced MicroTurbine System Contract NO. DE-FC02-01CH11058 awarded by the Department of Energy.