Diluting apparatus

Details Diluting apparatus Diluting apparatus

1975-11-21

1977-08-16

Reeves, Robert B.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

417518, 734256, 23259, B67D 552, G01N 114

Patent

active

040421520

ABSTRACT:
A diluting apparatus or pump having first and second chambers coaxially formed in a single pivotally mounted block. A first piston is reciprocally disposed in the first chamber and a second piston is coaxially mounted on the first piston and reciprocally disposed in the second chamber, substantially eliminating any transverse thrusts on the pistons. A spool valve is pivotally mounted on an eccentric pin mounted on a rotating crank to drive the pistons. The valve reciprocates within a valve body to couple the first chamber to a fluid supply line on a return stroke and to couple the first chamber to an output line on a delivery stroke. The second chamber is coupled to the output line on both strokes to draw in a second fluid on the return stroke and discharge it with the fluid from the first chamber on the delivery stroke thus mixing the two fluids.

REFERENCES:
patent: 315442 (1885-04-01), Powers
patent: 1643744 (1927-09-01), Lowenfeld
patent: 3059586 (1962-10-01), Brailsford
patent: 3640433 (1972-02-01), Rodth
patent: 3800984 (1974-04-01), Phelan

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