Control for liquid ring vacuum pumps

Details Control for liquid ring vacuum pumps Control for liquid ring vacuum pumps

F - Mech Eng,Light,Heat,Weapons

04

C

341/38.5

F04C 19/00 (2006.01) F04C 29/10 (1985.01)

Patent

CA 1244914

ABSTRACT A control system for liquid ring vacuum pumps is described. To minimize the consumption of fresh water by the pump(s) a temperature sensor is installed in the exhaust air pipe or separator of the pump(s) or in the water mains which is connected to the control unit and the switching valve in the fresh water pipe. Other sensors, such as pressure sensors and capacitance sensors may be incorporated in the system and, in addition to minimizing fresh water consumption, the suction pressure and maximum motor output power can be controlled and cavitation prevented.

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