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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
A CONDENSED LIQUID DOSING DEVICE, essentially characterized in that it comprises a cylinder containing the mass of condensed liquid closed at the top by means of a head with a loading orifice and a pouring duct connected to the suction and impeller pump by means of a vertical duct centered on the loading cylinder, the base of which comprises valves for admission to the pump body and a piston, driven from a cam through a rod, which has a perimetral wing on which an expansion spring tends to recover the piston; a spherical valve being in the discharge duct and over the intake orifices plates acting as closure elements. (Machine-translation by Google Translate, not legally binding)