Power plants – Utilizing natural heat – Geothermal
Patent
1976-08-02
1979-02-13
Wayner, William E.
Power plants
Utilizing natural heat
Geothermal
62 2, 417 53, F03G 702
Patent
active
041388500
ABSTRACT:
A system for the effective utilization of low-grade heat sources such as solar energy, with a system including a molecular sieve material such as zeolite and a gaseous fluid adapted to be absorbed by the material which is in a closed container and circuit which includes a condenser and a gas expansion cooler member. When the container is heated, a gas is given off from the molecular sieve material, cooled in a condenser, and thereafter expanded for cooling purposes. In one embodiment, the cooled gas is received in a further container having absorbent material and subsequently, upon cooling of the first container, the gaseous fluid may be returned thereto via again a condenser and gas expansion cooler member to provide further cooling. In another embodiment, the molecular sieve material is formed by sintering same to form a pressure resistanr divider across the container. One side of the divider is heated to create a temperature gradient across the divider so that it functions as a heat energized pump for the gaseous fluid which is absorbed, a pressure as well as temperature differential developing within the container across the divider whereupon the heated pressurized gas, after giving up sone of its energy in a circuit which may include a condenser and gas expansion member, is returned to the container to be again pressurized and heated by the action of the divider composed of the molecular sieve material.
REFERENCES:
patent: 2293556 (1942-08-01), Newton
patent: 3621665 (1971-11-01), Mokadam
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