Reciprocating pump powered by solar and wind energy

Details Reciprocating pump powered by solar and wind energy Reciprocating pump powered by solar and wind energy

1978-04-20

1979-04-24

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

60641, 60531, F04B 1700, F03G 702, F03G 706

Patent

active

041509234

ABSTRACT:
Two spaced-apart closed pipes containing a vaporizable working fluid are each successively heated by focusing sun rays on the pipe and then chilled by directing wind along the pipe while shielding the pipe from the sun rays. As one pipe is heated, the other is chilled so that a pressure differential is built up therebetween in the working fluid. A piston in a pump has opposed shafts which push and pull the piston, with an end of each arm forming a moving sealed closure for each of the closed pipes which communicates with the working fluid therein.

REFERENCES:
patent: RE27740 (1973-08-01), Schuman
patent: 2688923 (1954-09-01), Bonaventura et al.
patent: 3112862 (1963-12-01), Sherock
patent: 3203167 (1965-08-01), Green, Jr.
patent: 3309012 (1967-03-01), Booth et al.
patent: 3937599 (1976-02-01), Thureau et al.
patent: 3972651 (1976-08-01), Fletcher et al.
patent: 3984985 (1976-10-01), Lapeyre
patent: 3989417 (1976-11-01), Neidigh
patent: 4041707 (1977-08-01), Spector
patent: 4068476 (1978-01-01), Kelsey

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