Solar pumping installation for pumping liquid and solar collecto

Details Solar pumping installation for pumping liquid and solar collecto Solar pumping installation for pumping liquid and solar collecto

1978-09-22

1984-03-27

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

60527, 606418, 60673, 126443, F04B 4708

Patent

active

044391110

ABSTRACT:
A solar pumping system, comprises, a pumping housing which defines a pump chamber therein which is adapted to be positioned in the ground below ground water level. Displacer means in the form of, for example, a bladder, arranged within the pump chamber, is capable of displacing liquid out of the pump chamber in response to a pressurized medium acting thereon to expel the water out of the chamber and up to a level above the ground for use. A suction valve connected into the chamber permits the ground water to flow into the chamber and a discharge valve connected out of the chamber permits the outflow of the ground water during the action of the displacer means. The construction includes a solar collector having at least one hydride conduit which is adapted to be exposed to the sun for solar heating to act on the hydride to cause hydrogen to be formed, the pressure of which acts against the displacer means to displace the ground liquid out of the pump chamber. When the solar collector is shielded and the hydride is permitted to cool or is cooled rapidly by the circulation of water thereover, the pressure of the generated hydrogen decreases, permitting ground water to enter into the pumping chamber once again through the suction valves.

REFERENCES:
patent: 2688923 (1954-09-01), Bonaventura et al.
patent: 2918219 (1959-12-01), MacCracken
patent: 3112862 (1963-12-01), Sherock
patent: 3122728 (1964-02-01), Lindberg, Jr.
patent: 3937599 (1976-02-01), Thureau et al.
patent: 4036208 (1977-07-01), Bauer
patent: 4085590 (1978-04-01), Powell et al.
patent: 4150923 (1979-04-01), Wardman

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