BELLOW PROPORTIONER Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: bellow is positioned in a sealed metering tank with a bellow insert between upper and lower parts. The downtake branch pipe of the bellow is freely passed through a bottom and is fastened to it by a bellow. The bellow downtake branch pipe is fastened to the upper part of the metering tank between the bellow and the bellow insert through a link. An uptake bellow branch pipe is fastened to the lower part of the metering tank below the bellow insert by a bracket. The positioning of an additional reservoir is varied through the height and the weight value is also varied to vary the dose. The weight is mounted on the upper part of the metering tank. The additional reservoir communicates with the atmosphere and is connected to the metering tank above the uptake branch pipe. EFFECT: improved structure. 1 dwg