Pump speed controller-nuclear hardened/temperature responsive

Details Pump speed controller-nuclear hardened/temperature responsive Pump speed controller-nuclear hardened/temperature responsive

1992-05-26

1993-12-07

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

Responsive to pump or pump fluid temperature

417 45, 417 53, 318471, F04B 4906

Patent

active

052678350

ABSTRACT:
An apparatus which serves to control automatically the speed of a pump acding to the temperature of the oil being pumped from a reservoir. The controller is comprised of a parallel bank of thermal switches each connected to its dropping load resistor through a series isolation relay which places the load on a motor which drives the oil pump directly related to the viscosity of the oil in the reservoir.

REFERENCES:
patent: 2442149 (1948-05-01), Ruth et al.
patent: 2940395 (1960-06-01), Hill
patent: 5066197 (1991-11-01), Champane

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