G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 16/20 (2006.01) F04B 49/20 (2006.01) F04D 15/00 (2006.01)
Patent
CA 2277380
Specified is a method for regulating the pressure of a fluid, moved through a pipe system with at least one consumer by a pressure generator, driven with an electric motor. In order to ensure a sufficient supply for all consumers on a continuous basis, the motor speed for adjusting the pressure in the pipe system (1) is regulated by way of a controller (9). At least one control curve reflecting the fluid pressure in the pipe system (1) in dependence on the amount of the fluid flowing through or the flow speed of the fluid is impressed into the controller. The control curve extends with a uniform curvature between a predetermined pressure minimum and a predetermined pressure maximum, such that in the direction of increasing pressure, it is located above a straight line connecting the points of minimum pressure and maximum pressure and is at the greatest distance from this straight line in the center region between the two points. The controller (9) is supplied continuously with an electrical variable as actual value, which is proportional to the amount of fluid flowing through or the flow speed of the fluid. If the actual value deviates from the desired pressure value, specified according to the corresponding control curve (R), the motor speed is adjusted so as to compensate for this.
Hennel Ewald
Hennel Maik
Hennel Ewald
Hennel Maik
Moffat & Co.
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