Pumpdosimeter - system and method for automatically controlling fluid parameters in centrifugal pumps
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[0018] Referring now to FIG. 1 / 6, a first embodiment of the present invention is shown. This embodiment indicated by reference number 1 in FIG. 1 / 6 is the best mode in implementing this invention and is particularly suited for use as a Pumpdosimeter, and includes 2. a pressure sensor in the 3. entrance and 4. exit pipe. 5. a bandpass filter, 6. the ECU, and 7. a variable speed electric motor connected to the pump, which is connected to the pipes.
[0019] In response to P data 2 in or on either pipe, the electric pump is controlled by an ECU 6 controlled variable speed and power electric motor 7, analogous to the variably opening solenoid valve with Coulomb controlling circuits, as was taught in '877 and U.S. Pat. No. 5,008,773. It enhances or restricts voltage in the electric motor.
[0020] Referring now to FIG. 2 / 6, the method of device function is demonstrated graphically. Pressure is placed on the ordinate and time or pump dosage is placed on the abscissa of a Cartesian plane. Maxi...
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