Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Reexamination Certificate
2006-08-15
2009-10-20
Casaregola, Louis J (Department: 3741)
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
C060S683000
Reexamination Certificate
active
07603860
ABSTRACT:
A heat engine includes a turbine (10), compressor (20), heat pump (30) and combustion source (40) and uses heated and compressed air as a motive fluid in an open Brayton cycle. In the process of the invention, the compressor pressurizes air (21) from the environment. A closed-cycle heat pump (30), having a high-temperature condensation side (33) and a low-temperature evaporation side (35), increases the energy in the compressed air through heat exchange with the high-temperature condensation side (33) of the heat pump. Upon heating in a constant pressure process, the motive fluid is expanded through the turbine (10). The combustion source (40), which is isolated from the motive fluid, further heats the low-temperature evaporation side (35) of the heat pump.
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Casaregola Louis J
Ventre, Jr. Louis
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