E - Fixed Constructions – 03 – B
Patent
E - Fixed Constructions
03
B
137/66
E03B 7/00 (2006.01) F04F 1/02 (2006.01) F04F 1/10 (2006.01) G05D 7/00 (2006.01)
Patent
CA 1191070
PNEUMATIC METHOD AND APPARATUS FOR CIRCULATING LIQUIDS 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 sub- atmospheric 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 circu- lation 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 circula- tion 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 sub- jected to subatmospheric pressure, for refilling purposes, it is exposed to atmospheric pressure to release the elevated pressure therefrom. The circulation system preferably incorpo- rates a bypass conduit 46 including a liquid replenishment tank 38 and/or means 39 for adjusting the temperature of the liquid.
411034
Logic Devices Inc.
Smart & Biggar
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