Multicylinder pump for viscous liquids

Details Multicylinder pump for viscous liquids Multicylinder pump for viscous liquids

1979-06-08

1981-04-07

Roberts, Edward L.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

F04B 2102, F04B 3502

Patent

active

042603382

ABSTRACT:
A multicylinder piston pump for pumping viscous liquids of varying composition with each cylinder having an extendible tubular piston intake valve and discharge valve is disclosed. The extendible tubular piston valves have a tubular piston slidably mounted in a cylindrical passage of a housing mounted adjacent to each cylinder. The tubular piston has an inner bore into which an inner piston is slidably mounted therein. The inner piston is connected to a piston rod which is connected to the housing. Hydraulic oil is used to extend each tubular piston valve so as to control the intake and discharge of fluid into the piston pump.

REFERENCES:
patent: 3893790 (1975-07-01), Mayer
patent: 3994627 (1976-11-01), Calzolari

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