Method of setting the output of a pump

Details Method of setting the output of a pump Method of setting the output of a pump

F - Mech Eng,Light,Heat,Weapons

24

D

342/37

F24D 19/10 (2006.01) G05D 7/06 (2006.01)

Patent

CA 1313558

ABSTRACT OF THE DISCLOSURE Method of setting the output of a circulating pump installed in a hot water heating system and drivable by a variable rpm electromotor, including driving water by the pump from a water heater through a piping system to consumer devices situated in various locations served by the heating system, returning the water to the water heater by way of a return pipe, sensing the flow velocity of the water by a measuring device installed in the piping system, obtaining from the measuring device an electric voltage proportionate to the flow velocity, applying the voltage to a regulator which regulates the electromotor of the pump, generating output voltage values by the regulator, at least in lower voltage ranges, which are, up to 60% of a maximum voltage, higher than those voltage values which correspond to a characteristic curve of the circulating pump, and steplessly varying the rpm of the electromotor as a function of the output voltage of the regulator. - 1 -

557400

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