Power augmentation of combustion turbines with compressed...

Power plants – Combustion products used as motive fluid – Process

Reexamination Certificate

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C060S039183, C060S727000

Reexamination Certificate

active

07406828

ABSTRACT:
A combustion turbine power generation system (10) includes a combustion turbine assembly (11) including a main compressor (12) constructed and arranged to receive ambient inlet air, a main expansion turbine (14) operatively associated with the main compressor, combustors (16) constructed and arranged to receive compressed air from the main compressor and to feed the main expansion turbine, and an electric generator (15) associated with the main expansion turbine for generating electric power. A compressed air storage (18) stores compressed air. A heat exchanger (24) is constructed and arranged to receive a source of heat and to receive compressed air from the storage so as to heat compressed air received from the storage. An air expander (28) is associated with the heat exchanger and is constructed and arranged to expand the heated compressed air for producing additional electric power. Airflow, extracted from the expander, is injected into the combustion turbine assembly upstream of the combustors for combustion turbine assembly power augmentation.

REFERENCES:
patent: 3631673 (1972-01-01), Charrier et al.
patent: 4885912 (1989-12-01), Nakhamkin
patent: 5632143 (1997-05-01), Fisher et al.
patent: 5934063 (1999-08-01), Nakhamkin
patent: 6305158 (2001-10-01), Nakhamkin
patent: 6745569 (2004-06-01), Gerdes
patent: 102004040890 (2005-03-01), None
patent: 2029119 (1995-02-01), None
patent: 383859 (1973-08-01), None
patent: WO 92/22741 (1992-12-01), None

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