Water and concentrate supply valves for proportioning mixer-disp

Details Water and concentrate supply valves for proportioning mixer-disp Water and concentrate supply valves for proportioning mixer-disp

1974-02-27

1976-01-20

Nilson, Robert G.

Fluid handling

Systems

With preselecting means for plural valve actuator

137604, 239310, 239414, F16K 1900

Patent

active

039331792

ABSTRACT:
A portable mixing-dispensing device having a manual flow control valve means between a ventable flow control chamber and a solution-proportioning chamber, and a manual feed valve between the proportioning device and a source of concentrate supplied at a negative gauge pressure, same including means to selectively coordinate the operation of the valves. The feed valve serves also as an anti-backflow check valve for the concentrate supplied under a negative gauge pressure as well as maintaining the prime thereof without dilution when concentrate is not being supplied to the mixing chamber. A translucent concentrate supply tube readily visible from above the mixing chamber serves as a visual check as to the prime of the concentrate.

REFERENCES:
patent: 1940268 (1933-12-01), Peterson
patent: 2568444 (1951-09-01), Giuliano
patent: 3167090 (1965-01-01), Booth et al.
patent: 3698644 (1972-10-01), Nystuen

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