Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2005-02-01
2005-02-01
Tyler, Cheryl J. (Department: 3746)
Power plants
Combustion products used as motive fluid
Combustion products generator
C060S039150, C060S039511
Reexamination Certificate
active
06848259
ABSTRACT:
A compressed air energy storage system comprises a cavern (1) for stored compressed air and a system for providing the compressed air to a power train (3, 5), this system including a recuperator (7) and a first valve arrangement (8) that controls the flow of the compressed air from the recuperator and to the power train (3, 5). A system for warm-keeping of the power train (3, 5) during stand-by operation of the compressed air energy storage system comprises the recuperator (2) and/or an auxiliary electrical air heater (11) and a second valve arrangement (10, 13) for controlling the airflow for warm-keeping. The system for warm-keeping of the power train allows improved temperature control and avoids disadvantages associated with a warm-keeping system having a combustor.
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John Daly, et al., “Caes—Reduced to Practice”, ASME Turbo Expo 2001, Jun. 4-7, 2001, New Orleans, Louisiana, Paper 2001-GT-0397.
Kelller-Sornig Peter
Mazza Edoardo
Seketa Bozidar
Alstom Technology LTD
Burns Doane Swecker & Mathis L.L.P.
Rodriguez William H.
Tyler Cheryl J.
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