DEVICE FOR TAKING METERED-OUT PORTIONS OF LIQUID Russian patent published in 1994 - IPC

FIELD: chemistry, metering out chemical agents in manufacturing polymers. SUBSTANCE: device for taking metered-out portions of liquid has a vessel with liquid to be metered-out, switching cock, channel for feeding carrier gas, an intermediate measuring vessel. The vessel with liquid to be metered-out is disposed over the intermediate measuring vessel. The switching cock is interposed between them. The intermediate vessel has concave walls and is provided with a rotary pipe movably mounted within the intermediate vessel with four degrees of freedom. An inlet opening of the rotary pipe is arranged such that its level can be varied with respect to upper level of liquid in the intermediate vessel. EFFECT: enhanced accuracy and efficiency. 2 dwg