Dual pump metering dilution apparatus

Details Dual pump metering dilution apparatus Dual pump metering dilution apparatus

G - Physics

05

D

G05D 11/02 (2006.01) A01M 7/00 (2006.01) B01F 15/04 (2006.01) B05B 7/32 (2006.01) F04B 9/10 (2006.01)

Patent

CA 2119141

2119141 9307547 PCTABS00021 Apparatus for dilution of one liquid with another, such as a pesticide concentrate diluted with water, wherein dual piston displacement pumps are each actuated respectively by a coil spring and by an opposed hydraulic actuator with a piston powered by the flow of the diluting liquid, the hydraulic actuator being controlled by a control means for alternating reciprocation of the respective pistons of each hydraulic actuator responsive to the rate of flow of the diluting liquid so that a constant dilution ratio is maintained regardless of the pressure of the liquid supply. The control means includes a vane that is pivoted alternately by the action of the hydraulic actuator pistons to direct the flow thereto of liquid for dilution.

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