Circuit arrangement for regulating the level of liquid in vessel

Details Circuit arrangement for regulating the level of liquid in vessel Circuit arrangement for regulating the level of liquid in vessel

1978-11-13

1980-05-13

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137393, 137396, G05D 904

Patent

active

042023670

ABSTRACT:
There is disclosed a circuit arrangement for regulating the level of a liquid in vessels. The arrangement according to this invention comprises a draining vessel with a draining conduit, a fluid level pick-up device, a compensation pick-up device, and a working element. The main feature of the circuit arrangement is that the compensation pick-up device is connected to the draining vessel above the regulated liquid level and the upper part of the fluid level pick-up device is also connected to the draining conduit above the regulated liquid level. The lower part of the fluid level pick-up device is connected below the regulated level equally to the draining conduit. The transmission nozzles of both the compensation fluid pick-up device and of the fluid level pick-up device are connected to the feeding conduit, the receiving nozzle of the compensating fluid pick-up device is connected to a lower space of the working element via a compensation conduit, whereas the receiving nozzle of the fluid level pick-up device is connected with the upper space of the working element via a signal conduit.

REFERENCES:
patent: 3269404 (1960-08-01), Lebow
patent: 3526276 (1970-09-01), Bennett
patent: 3590843 (1971-07-01), Meyer

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