Apparatus for simultaneously pumping a plurality of liquids

Details Apparatus for simultaneously pumping a plurality of liquids Apparatus for simultaneously pumping a plurality of liquids

1986-12-11

1989-02-21

Croyle, Carlton R.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

417387, 417429, 92 132, 92 138, 92101, F04B 1700, F04B 908, F04B 2304

Patent

active

048060798

ABSTRACT:
Apparatus for simultaneously pumping two or more different liquids to a spraying device has a pair of discrete diaphragm pumps for each liquid. The pumps of each pair are connected in parallel and operate alternatingly so that one pump delivers a metered quantity of liquid while the pumping chamber of the other pump receives a metered quantity of the same liquid and vice versa. The capacities of pumps of at least one pair are adjustable in a simultaneous operation, and all pumps are operated by a common prime mover.

REFERENCES:
patent: 3043227 (1962-07-01), Everett
patent: 3053235 (1962-09-01), Hager
patent: 3168011 (1965-02-01), Baumann
patent: 3320211 (1967-07-01), Faro et al.
patent: 3330211 (1967-07-01), Faro et al.
patent: 3350190 (1967-10-01), Piel
patent: 3499387 (1970-03-01), Zippel
patent: 3769879 (1973-11-01), Lofquist, Jr.
patent: 3779669 (1973-12-01), Sommer
patent: 4231723 (1980-11-01), Spuhl
patent: 4462764 (1984-07-01), Van Zandt

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