Proportional mixing means

Details Proportional mixing means Proportional mixing means

1984-05-07

1985-10-15

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417 38, 417429, 137566, 222135, 222145, F04B 4106, F04B 4900, B67D 552

Patent

active

045471282

ABSTRACT:
A proportional mixing unit for accurately metering the desired amounts of a liquid concentrate and a liquid diluent, completely mixing the concentrate and diluent together, and holding the mixture until needed. A constant volume pump is used to pump a constant volume of the liquid concentrate. A pressure regulator maintains the liquid diluent at a constant pressure. A variable volume pump is used to mix the liquid concentrate from the constant volume pump and the liquid diluent from the pressure regulator and to pump a variable volume of the mixture to a holding tank. By varying the volume of the variable volume pump, the proportion of liqiuid concentrate to liquid diluent is accurately varied.

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