Pumps – Motor driven – Fluid motor
Patent
1996-08-13
1997-04-01
Thorpe, Timothy
Pumps
Motor driven
Fluid motor
417389, F04B 3502
Patent
active
056160127
ABSTRACT:
The pump is formed by a body having a cavity with a piston chamber in which a piston is reciprocated. A rotatable crank shaft is provided to reciprocate the piston along inward and outward strokes to draw ammonia into the pump by way of an inlet and then to pump the ammonia out by way of an outlet. A diaphragm in a diaphragm chamber is provided to separate the ammonia from the piston and piston chamber. One side of the diaphragm is in fluid communication with the piston chamber and the other side is in fluid communication with the inlet and outlet. A liquid is provided for flow into and out of the piston chamber to cause the diaphragm to move inward and outward to cause the suction and pumping action for the ammonia as the piston reciprocates in its inward and outward strokes.
REFERENCES:
patent: 2348567 (1944-05-01), Parker
patent: 2710137 (1955-06-01), Arnouil
patent: 3146684 (1964-09-01), Vanderhoff
patent: 3259308 (1966-07-01), Bennett
patent: 3859011 (1975-01-01), Hart
patent: 4540346 (1985-09-01), Davies
patent: 4975026 (1990-12-01), Pruszenski, Jr.
Hillman Darrel D.
Russell, Jr. Charles T.
McAndrews, Jr. Roland G.
Thorpe Timothy
Zobal Arthur F.
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