Recovery of power from low level heat sources

Details Recovery of power from low level heat sources Recovery of power from low level heat sources

1995-04-10

1996-08-27

Heyman, Leonard E.

Power plants

Utilizing natural heat

Solar

60651, 60665, 60671, 60676, F03G 600

Patent

active

055489575

ABSTRACT:
A system based on a refrigeration cycle for converting low grade heat into useful work. A plurality of pressure vessels are interconnected with a common high pressure feed manifold and a common low pressure return manifold, A fluid pressure driven motor is connected across the manifolds. The system is charged with a volatile refrigerant. By sequentially heating and cooling the pressure vessels and directing the flow with a series of valves, a pressure differential is maintained across the manifolds to drive the fluid pressure motor.

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