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Mixed working fluid power system with incremental vapor generation

United States Patent Application

20030167769
A1
View the Complete Application at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A power generating system (110) comprising a heat source (116) and an incremental vapor generator system (112) operatively associated with the heat source (116). The incremental vapor generator system (112) includes a first heating section (136) and a second heating section (138). The first heating section (136) receives a mixed working fluid (114) and generates a first heated working fluid stream comprising a vapor portion (120) and a liquid portion. The second heating section (138) is operatively associated with the first heating section (136) and receives the liquid portion from the first heated working fluid stream. The second heating section (138) generates a second heated working fluid stream comprising a vapor portion (122). An energy conversion device (126) operatively associated with the incremental vapor generator system (112) converts into useful work heat energy contained in the vapor portions (120, 122) of the first and second heated working fluid streams.
Bharathan, Desikan (Arvada, CO), Hassani, Vahab (Denver, CO)
10/ 258,718
March 31, 2003
[0001] The United States Government has rights in this invention pursuant to Contract No. DEAC36-99GO10337 between the U.S. Department of Energy, and the National Renewable Energy Laboratory, a division of the Midwest Research Institute.