Pumps – Processes – Of pumping one fluid by contact or entrainment with another
Patent
1981-09-11
1983-10-11
Gluck, Richard E.
Pumps
Processes
Of pumping one fluid by contact or entrainment with another
417125, 417149, F04F 102
Patent
active
044089600
ABSTRACT:
A pneumatic method and apparatus for causing the rapid recirculation of a liquid between a plurality of containers 10, 11 by adjusting the pressure of a gas exerted within each of said containers to superatmospheric, atmospheric and subatmospheric pressures, thereby avoiding the passing of the liquid through a mechanical flow-inducing pump. The containers 10, 11 are connected to each other by means of a liquid circulation system comprising a circulation conduit which includes a work station. A filled first container 10 is subjected to superatmospheric pressure to force the liquid into the circulation system while a second empty container 11 is subjected to subatmospheric pressure to suck the liquid from the circulation system. After each container is empty and before it is subjected to subatmospheric pressure, for refilling purposes, it is exposed to atmospheric pressure to release the elevated pressure therefrom. The circulation system preferably incorporates a bypass conduit 46 including a liquid replenishment tank 38 and/or means 39 for adjusting the temperature of the liquid.
REFERENCES:
patent: 580745 (1897-04-01), Wilson
patent: 3883269 (1975-05-01), Wolf
patent: 4086765 (1978-05-01), Gillilan
patent: 4323452 (1982-04-01), Witzenberg
Gluck Richard E.
Logic Devices, Inc.
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