Pumping system for unstable fluids

Details Pumping system for unstable fluids Pumping system for unstable fluids

1979-06-08

1982-09-21

Bartuska, F. J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Flow and/or overflow type

222276, 222334, 417397, B67D 538, G01F 1102

Patent

active

043502660

ABSTRACT:
A pumping system for delivering unstable fluids under pressure, comprising a pair of alternately operated single-acting pumps operated by a double-acting air motor. The air motor is controlled by a reversible spool valve and mechanically operated air pilot valves. The single-acting pumps deliver and contain relatively small quantities of the unstable fluid to a positive flow metering system for connection to an outlet to spray guns or other equipment using the fluid. The metering system includes a metering valve, a flow meter and a bypass valve for removing trapped air and presetting flow.

REFERENCES:
patent: 3249053 (1966-05-01), Govan
patent: 3259054 (1966-07-01), Vanzo et al.
patent: 4116364 (1978-09-01), Culbertson et al.

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