Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...
Patent
1993-11-08
1996-06-11
Koczo, Michael
Pumps
One fluid pumped by contact or entrainment with another
Liquid pumped by supplying or exhausting gaseous motive...
417120, 417129, F04F 106, F04F 110
Patent
active
055250424
ABSTRACT:
An apparatus for pumping liquids to a destination includes a pipe of a first cross-sectional area extending from the liquid to be pumped to the destination. A body having a cross-sectional area less than twice the first cross-sectional area also has an upper portion, a lower portion, an inlet in the upper portion and an outlet to the pipe in the lower portion, a gas injection port, and a normally open valve between the gas injection port and the inlet, closeable upon an injection of gas through the gas injection port. Gas injection apparatus injects gas through the gas injection port from time to time. When no gas is being injected, liquid may enter the upper portion of the body through the inlet and fall by gravity toward the outlet in the lower portion and the pipe. Upon injection of gas, the valve closes, trapping liquid in the body below the valve, and trapped liquid is forced out the outlet and into the pipe toward the destination.
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Clearline Systems, Inc.
Koczo Michael
McAndrews, Jr. Roland G.
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