Pumps – Processes
Reexamination Certificate
2006-04-04
2006-04-04
Freay, Charles G. (Department: 3746)
Pumps
Processes
C417S092000, C417S137000
Reexamination Certificate
active
07021900
ABSTRACT:
A kinetic pump and method of pumping a liquid comprising providing an acceleration tube for the acceleration of a liquid contained therein by an introduced high-pressure vapor or gas, receiving the liquid from the acceleration tube with a compressed-air surge tank, admitting the liquid from the acceleration tube into the compressed-air surge tank via a check valve, draining the liquid from the compressed-air surge tank from an outlet, and adding additional liquid to the acceleration tube via an inlet, wherein during each first half cycle of the method, the vapor or gas forces the liquid to accelerate in the acceleration tube, whereby a portion of the liquid is forced into the compressed-air surge tank, and wherein during each second half cycle of the pump, the vapor or gas is substantially removed from the acceleration tube and the liquid flows back to its original location and the additional liquid is added to the liquid.
REFERENCES:
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patent: 49063 (1865-08-01), Atwater
patent: 1055880 (1913-03-01), Coster
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patent: 5461858 (1995-10-01), Johnson
patent: 5525042 (1996-06-01), Batten
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patent: 5865086 (1999-02-01), Petichakis P.
patent: 6182615 (2001-02-01), Kershaw
Janzen Ernst C.
Jensen Reed J.
Prueitt Melvin L.
Baker Rod D.
Freay Charles G.
Peacock & Myers, P.C.
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