Pumps – Inertia liquid piston
Patent
1981-04-15
1983-08-16
Smith, Leonard E.
Pumps
Inertia liquid piston
417378, F04B 4712
Patent
active
043988709
ABSTRACT:
A variable volume single tube surface operated pump including a piston reciprocally mounted in a cylinder for alternately opening and closing a liquid delivery port formed in the sidewall of the cylinder and for generating a sonic pressure wave by impacting a column of liquid in a metallic tube extending from the cylinder to a remote pumping mechanism located in communication with the liquid to be pumped. The piston is especially configured with a central recess in the face thereof so that the sonic pressure waves generated thereby will pass through a sonic inductor and move downwardly toward the pumping mechanism in a spiral-like motion against the inner wall of the metallic tube and enter into a sonic intensifier chamber where they are reflected off the pumping mechanism into a central column which travels back toward the cylinder and causes the liquid to be pumped to move in that same direction. A power operated drive mechanism is provided for reciprocally driving the piston and for adjustably varying the output volume of the liquid delivered by the pump.
REFERENCES:
patent: 2780404 (1957-02-01), Kuehni
patent: 2910875 (1959-11-01), Kuhnhausen
patent: 3496874 (1970-02-01), Findlay
patent: 4295799 (1981-10-01), Bentley
Haynes, Jr. Herbert E.
Smith Leonard E.
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