Pumps – One fluid pumped by contact or entrainment with another – Jet
Patent
1982-11-15
1985-05-28
Look, Edward K.
Pumps
One fluid pumped by contact or entrainment with another
Jet
417379, F04F 900
Patent
active
045197490
ABSTRACT:
A device for the lifting of liquid solely by the use of solar energy is constructed of two vertically disposed pipes, one pipe extending below the surface of the liquid and the second pipe extending above the surface of the liquid. A third pipe, in the form of a transverse section, joins the top of the first pipe and the bottom of the second pipe, the transverse section being inclined to provide entrapment of liquid therein upon submergency of the first pipe. A liquid inlet is provided at the bottom of the first pipe and an air vent is provided at the top of the first pipe at the junction thereof with the transverse section. A discharge port for liquid is provided at the top of the second pipe. An air pressure differential is established between the vent and the discharge port for forcing liquid from the transverse section to the port. The pressure differential is established by use of a container of air coupled to the vent, which container becomes heated upon exposure to the sun, or by an air foil in the form of a venturi connected adjacent the discharge port, or by a combination of the container with a wind intercepting funnel. The inlet includes a constriction to slow the rate of liquid entry into the first pipe to permit air pressure equilibrium to be re-established through the transverse section prior to the refilling thereof with liquid.
REFERENCES:
patent: 116025 (1871-06-01), Clow et al.
patent: 776106 (1904-11-01), Beurrier
patent: 2608160 (1952-08-01), Moody
patent: 2755745 (1956-07-01), Lewis
patent: 3972651 (1976-08-01), Fletcher et al.
patent: 4177020 (1979-12-01), Chadwick
B & H Technologies, Inc.
Green Clarence A.
Look Edward K.
Perman Martey R.
Warren David M.
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