Pump system with liquid cooling operation

Details Pump system with liquid cooling operation Pump system with liquid cooling operation

1994-09-20

1996-10-08

Wysocki, Jonathan

Electricity: motive power systems

Induction motor systems

Primary circuit control

417 441, H02P 1100

Patent

active

055634907

ABSTRACT:
A pump control system has a pump unit composed of a turbo pump, a motor for operating the turbo pump, and a frequency/voltage converter for generating a frequency and a voltage to energize the motor. The rotational speed of the turbo pump is varied in order to equalize the current of the motor to a constant current irrespective of the head of the pump. The pump can be operated to take fully advantage of the current capacity of the motor.

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patent: 4617675 (1986-10-01), Ashikaga et al.
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patent: 5057760 (1991-10-01), Dadpey et al.
patent: 5248926 (1993-09-01), Kotake et al.
patent: 5249876 (1994-03-01), Jonsson
patent: 5334923 (1994-08-01), Lorenz et al.
patent: 5345160 (1994-09-01), Corniere
patent: 5350992 (1994-09-01), Colter

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