Metering pump

Details Metering pump Metering pump

1985-08-23

1987-04-28

Croyle, Carlton R.

Pumps

Motor driven

Electric or magnetic motor

417517, 417519, 417532, F04B 700

Patent

active

046610499

ABSTRACT:
A metering pump including adjacent valve and pump chambers, the valve chamber having inlet and outlet connections and a valve plug angularly shiftable in the valve chamber to communicate said connections with opposite sides of the plug upon angular shifting of the plug, and a reciprocatory piston in the pump chamber, there being fluid communication between opposite ends of the pump chamber and the valve chamber on opposite sides of the valve plug, so that piston reciprocation in both directions moves fluid in the inlet connection and out the outlet connection upon shifting of the valve plug.

REFERENCES:
patent: 15134 (1856-06-01), King
patent: 170008 (1875-11-01), McCormack et al.
patent: 717977 (1903-01-01), Donoughe
patent: 726429 (1903-04-01), Hicks
patent: 2349150 (1944-05-01), Falasconi
patent: 3694112 (1972-09-01), Freedman

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