Apparatus and method for controlling a pump system
First Claim
1. A controller for controlling operating parameters associated with fluid flow, speed or pressure for a centrifugal pump for pumping fluid, wherein at least one sensor is coupled to said pump for generating a signal indicative of a sensed operating condition, said controller comprising:
- a storage device for storing data indicative of an at least one operating condition; and
a processor in communication with said sensor and operative to perform an algorithm utilizing said at least one sensor signal and said stored data indicative of said at least one operating condition to generate a control signal;
wherein said control signal is indicative of a correction factor to be applied to said pump.
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Abstract
A controller for controlling operating parameters associated with fluid flow, speed or pressure for a centrifugal pump for pumping fluid, wherein at least one sensor is coupled to the pump for generating a signal indicative of a sensed operating condition. The controller comprises a storage device for storing data indicative of at least one operating condition and a processor in communication with the sensor and operative to perform an algorithm utilizing the at least one sensor signal and the stored data indicative of the at least one operating condition to generate a control signal, wherein the control signal is indicative of a correction factor to be applied to the pump.
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Citations
34 Claims
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1. A controller for controlling operating parameters associated with fluid flow, speed or pressure for a centrifugal pump for pumping fluid, wherein at least one sensor is coupled to said pump for generating a signal indicative of a sensed operating condition, said controller comprising:
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a storage device for storing data indicative of an at least one operating condition; and
a processor in communication with said sensor and operative to perform an algorithm utilizing said at least one sensor signal and said stored data indicative of said at least one operating condition to generate a control signal;
wherein said control signal is indicative of a correction factor to be applied to said pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for automatically controlling operating parameters associated with a centrifugal pump according to an algorithm for pumping fluid to a discharge outlet, comprising:
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storing in memory data values corresponding to predetermined operating conditions;
obtaining sensor measurements indicative of current operating conditions;
utilizing said sensor measurements and said stored data values to determine calculated data values corresponding to the current pump operating conditions;
comparing said calculated data values with said stored data values and generating a control signal indicative of a correction factor to be applied to said pump when said calculated data values differ from said stored data values by a predetermined amount. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method of controlling the flow, speed, pressure, or performance of a pumping system comprising the steps of:
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storing predetermined data values associated with particular flow, speed, pressure or performance values;
measuring environmental parameter data associated with the pump;
associating subsets of said predetermined stored data values with the measured environmental parameters to obtain calculated data values corresponding to at least one of said flow, speed, performance, or pressure values; and
comparing said calculated data values with a corresponding threshold value and generating a control output signal in response thereto when the difference exceeds a preset value. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification