Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Patent
1994-06-07
1996-12-31
Heyman, Leonard E.
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
60649, F01K 2506
Patent
active
055882978
ABSTRACT:
A thermal power generator includes a high heat source pump, and cold working fluid pumps. An evaporator heat exchanges a high heat source fluid and a warmed working fluid. A liquid-vapor separator is connected to the evaporator. A first stage turbine is connected to the liquid-vapor separator. A second stage turbine is connected to the first stage turbine. A heater is connected to the first stage turbine, and receives remaining vapor working fluid, and the cold-working fluid to heat exchange the fluids. A tank stores and mixes the working fluids discharged from the heater, and supplies the stored working fluid to the first cold working fluid pump. A regenerator receives the liquid working fluid from the separator, and the cold working fluid, and forms a regenerated working fluid, and a warmed working fluid discharged to the evaporator. An absorber is connected to the second stage turbine and the regenerator. A reducing valve is located between the absorber and regenerator. A low heat source pump supplies a low heat source fluid to a main condensation tank, to perform a heat exchange to recondense the vapor working fluid. An auxiliary condensation tank receives an absorbed working fluid, the recondensed working fluid, and the low heat source fluid. A storage tank is connected to the auxiliary condensation tank. The cold-working fluid is fed from the storage tank to the heater, regenerator and evaporator, respectively.
REFERENCES:
patent: 4573321 (1986-03-01), Knaebel
patent: 4691523 (1987-09-01), Rosado
patent: 4756162 (1988-07-01), Dayan
patent: 5007240 (1991-04-01), Ishida et al.
patent: 5029444 (1991-07-01), Kalina
Ikegami Yasuyuki
Uehara Haruo
Heyman Leonard E.
Saga University
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