Turbo recuperator device

Details Turbo recuperator device Turbo recuperator device

2005-12-27

2005-12-27

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S785000, C060S806000

Reexamination Certificate

active

06978621

ABSTRACT:
A device and method for recuperating a gas turbine engine comprises a compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream to a turbine in fluid communication with the compressor. The compressed coolant fluid stream undergoing thermal exchange within the turbine, exit the turbine thereafter. A source of a working fluid stream is in fluid communication with the turbine. The working fluid stream is fluidly isolated from a portion of the coolant fluid stream and undergoing thermodynamic expansion through the turbine to extract energy therefrom. Where desired, the entire coolant fluid stream is fluidly isolated from the working fluid stream. At least a portion of the coolant fluid stream is channeled downstream of the turbine to supply a preheated process fluid stream to an adjacent system.

REFERENCES:
patent: 5319925 (1994-06-01), Hendriks et al.
patent: 5611197 (1997-03-01), Bunker
patent: 5948221 (1999-09-01), Hsu
patent: 6105362 (2000-08-01), Ohtomo et al.
patent: 6295803 (2001-10-01), Bancalari
patent: 6530229 (2003-03-01), Yamanaka et al.
patent: 6691519 (2004-02-01), Little

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