Spray application rate regulating valve

Details Spray application rate regulating valve Spray application rate regulating valve

2011-06-07

2011-06-07

Fox, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C137S864000

Reexamination Certificate

active

07954513

ABSTRACT:
A regulator valve includes an inlet coupled for receiving a spray solution delivered by a fixed displacement pump coupled to a solution tank. Located in the valve body so as to divide the solution received at the inlet between a bypass or tank port of the regulator valve, and a boom port is a ball valve in the form of a hollow sphere having a first circular opening in register with said inlet, a second circular opening in register with said boom port and an elongate, wedge-shaped opening in register with said bypass port. The ball valve is mounted for rotation about an axis which is coaxial with the first circular opening and includes a stem coupled to an electric motor for actuating the valve, the motor being coupled for receiving a control signal for causing the motor to position the ball for dividing the flow so as to achieve a desired solution application rate.

REFERENCES:
patent: 2558260 (1951-06-01), Maky
patent: 3966119 (1976-06-01), Harter et al.
patent: 4951711 (1990-08-01), Kunz
patent: 5893393 (1999-04-01), Erdkamp et al.
patent: 6932104 (2005-08-01), Anderson et al.

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