Liquid dosing apparatus

Details Liquid dosing apparatus Liquid dosing apparatus

1979-07-09

1981-03-17

Jenkins, Robert W.

Pumps

Motor driven

Fluid motor

417488, 417503, 417554, F04B 2306, F04B 1900

Patent

active

042564409

ABSTRACT:
This invention is directed to an apparatus for dosing a solution into a liquid conduit by means of a piston dosing pump mechanically driven by the liquid pressure, which comprises a dosing pump having a chamber containing liquid from the conduit and into which the solution is delivered from a supply source, a spring-biased nonreturn valve between the dosing pump chamber and the liquid conduit, and a second pump which supplies fresh liquid to the dosing pump chamber, the piston of the second pump being synchronized with the piston of the dosing pump.

REFERENCES:
patent: 3728047 (1973-04-01), Mangialardi
patent: 3945772 (1976-03-01), Moortele
patent: 4053902 (1977-10-01), Skafvenstedt

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