Liquid dispensing systems

Pumps – Successive stages – With interstage intake or additional inlet to latter stage

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Details

417265, 417429, 417503, 417263, 13753311, F04B 2500, F04B 2306

Patent

active

043493211

ABSTRACT:
A valve chamber connected to the inlet of a ram pump has an inlet connected to a source of sludge and a substantially smaller inlet connected to the outlet of a metering pump.
A valve seat in the valve chamber has a ball resting freely thereon, and an operative connection between the ram pump and the metering pump synchronizes the suction stroke of the ram pump with the discharge stroke of the metering pump to cause the incoming sludge to lift and spin the ball and thereby mix the sludge with the incoming additive.

REFERENCES:
patent: 255928 (1882-04-01), Brunton
patent: 720100 (1903-02-01), Bashlin
patent: 1021861 (1912-04-01), Caverno
patent: 3033123 (1962-05-01), Kinzelman
patent: 3055391 (1962-09-01), Shuk et al.

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