F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 15/02 (2006.01) F04B 49/06 (2006.01) H02H 7/08 (2006.01) H02H 3/00 (2006.01)
Patent
CA 2152451
A pump control system for adjusting the frequency of operation of a pump motor in accordance with the demand on the pump includes means for periodically actuating the pump motor to initiate operation of the pump at periodic intervals; sensor means for sensing the condition of the operating pump motor; and means responsive to the sensor means for adjusting the periodic interval to conform the operation of the pump motor to demand on the pump.
Anastos William
Burrill James Thompson
Gowling Lafleur Henderson Llp
Rule Industries Inc.
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