A valve system has a main valve that is adjustable for output flow and pressure. The system also includes an output flow transducer, an output pressure transducer, and a fluid depth transducer. A microcontroller is operatively coupled to the valve, the output flow transducer, the output pressure tra
A valve system has a main valve that is adjustable for output flow and pressure. The system also includes an output flow transducer, an output pressure transducer, and a fluid depth transducer. A microcontroller is operatively coupled to the valve, the output flow transducer, the output pressure transducer, and the fluid depth transducer. The microcontroller operates the valve to selectively control the output flow, the output pressure, and the fluid depth according to inputs received from a user.
대표청구항▼
1. A valve system comprising: a main valve that is adjustable to selectively control output flow and pressure;an output flow transducer;an output pressure transducer;a fluid depth transducer; anda microcontroller;wherein the microcontroller is operatively coupled to the valve, the output flow transd
1. A valve system comprising: a main valve that is adjustable to selectively control output flow and pressure;an output flow transducer;an output pressure transducer;a fluid depth transducer; anda microcontroller;wherein the microcontroller is operatively coupled to the valve, the output flow transducer, the output pressure transducer, and the fluid depth transducer; andwherein the microcontroller operates the valve to selectively control the output flow, the output pressure, and the fluid depth according to inputs received from a user. 2. The valve system of claim 1, wherein the main valve is hydraulically operated. 3. The valve system of claim 1, wherein the main valve is diaphragm actuated and pilot valve controlled. 4. The valve system of claim 3, further comprising an electrically actuated solenoid pilot valve attached to the main valve and controlling the main valve in response to a signal from the microcontroller. 5. The valve system of claim 3, wherein the pilot valve is normally open, and when de-energized by the microcontroller acts to close the main valve. 6. The valve system of claim 3, further comprising a needle valve operatively connected to the main valve to control the opening speed of the main valve. 7. The valve system of claim 3, further comprising a needle valve operatively connected to the main valve to control the closing speed of the main valve. 8. The valve system of claim 3, wherein the pilot valve is normally closed and acts to open the main valve when energized by the microcontroller. 9. The valve system of claim 1, further comprising a control panel operatively coupled to the microcontroller for receiving user inputs. 10. The valve system of claim 1, further comprising a rain holdoff control for signaling the microcontroller to close the main valve. 11. The valve system of claim 1, further comprising a check valve that prevents fluid flow in a reverse direction through the main valve. 12. A valve system comprising: a microcontroller;a hydraulically operated, diaphragm actuated main valve that opens and closes to regulate flow of water from a well;a first electrically actuated solenoid pilot valve attached to the main valve and closing the main valve in response to a first signal from the microcontroller;a second electrically actuate solenoid pilot valve attached to the main valve and opening the main valve in response to a second signal from the microcontroller; anda first needle valve that controls an opening speed of the main valve;wherein the microcontroller selectively provides the first and second signals to the first and second solenoid pilot valves to selectively maintain at least one of an output pressure from the main valve, a flow rate from the main valve, and a depth of water in the well. 13. The valve system of claim 12, further comprising a second needle valve that controls a closing speed of the main valve. 14. The valve system of claim 12, further comprising a depth transducer that reports the water depth to the microcontroller. 15. The valve system of claim 12, further comprising: a flow transducer that reports an output flow to the microcontroller; anda pressure transducer that reports the output pressure to the microprocessor. 16. The system of claim 12, a control panel for accessing user inputs and reporting system information to the user. 17. The system of claim 16, wherein the microcontroller closes the main valve in response to a rain holdoff input received by the user via the control panel. 18. A method of selectively controlling pressure, flow rate, and well water depth at a well, comprising: providing a hydraulically operated, diaphragm actuated main valve;providing a first electrically actuated solenoid pilot valve attached to the main valve that closes the main valve in response to a closing signal;providing a second electrically actuates solenoid pilot valve attached to the main valve that closes the main valve in response to an opening signal;providing transducers for monitoring pressure, flow rate, and well water depth; andselectively reading the pressure, flow rate, and well water depth with a microcontroller and selectively providing the closing and opening signals to the first and second solenoid pilot valves, respectively, to control the main valve to selectively maintain a predetermined pressure, flow rate, and well water depth. 19. The method of claim 18, further comprising providing a control panel operatively coupled to the microcontroller for receiving user inputs. 20. The method of claim 19, further comprising closing the well with a signal from the microcontroller to the second solenoid pilot valve in response to receiving a rain hold input from the control panel.
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이 특허에 인용된 특허 (12)
Oksanen Kari J. (Vancouver CAX) LaBar Grant V. (Surrey CAX), Automatic control valve.
Wiggins,Jimmy D.; Banta,Paul W.; Woodruff,Edward E., Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same.
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