Enhanced efficiency turbine

Power plants – Combustion products used as motive fluid – Process

Reexamination Certificate

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C060S801000

Reexamination Certificate

active

08047006

ABSTRACT:
Hydrocarbon fuel is sent to a reformer, which produces carbon and hydrogen. The hydrogen is sent to a fuel cell which uses it to generate electricity, and the electricity is used to actuate an electric motor that is coupled to an output shaft of a turbine to impart torque to the shaft. Additionally, hydrocarbon fuel can be provided to the turbine intake directly and/or carbon from the reformer can be mixed with steam from the fuel cell and sent to the turbine intake, in either case to impinge on the turbine blades and impart further torque to the output shaft.

REFERENCES:
patent: 5678647 (1997-10-01), Wolfe et al.
patent: 6392313 (2002-05-01), Epstein et al.
patent: 6605376 (2003-08-01), Verykios
patent: 6868677 (2005-03-01), Viteri et al.
patent: 2006/0063046 (2006-03-01), Hu et al.
patent: 2008/0118800 (2008-05-01), Devriendt et al.
U.S. Climate Change Technology Program—Technology Options for the Near and Long Term. “2.1.3 High-Efficiency Gas Fuel Cell/Hybrid Power Systems Technology Description”, Nov. 2003, p. 66-68.
Hossein Ghezel-Ayagh, “Thrust Area: Hybrid Fule Cell/ Turbine Power Systems”, http://www.fuelcellenergy.com/files/Hybrid%20Power%20System%20Thrust%20Area.pdf.
Professor Soctt Smauelsen, “Fule Cell/Gas Turbine Hybrid Systems”, 2004 ASME International Gas Turbine institute http://files.asme.org/IGTI/Knowledge/Articles/13043.pdf.

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