Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1992-09-21
1994-04-26
Michalsky, Gerald A.
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137192, 137392, 417 40, G05D 912
Patent
active
053057791
ABSTRACT:
A system for containing oil in a containment tank received from a transformer bank for a hydroelectric power generating station. A capacitance proximity sensor is mounted at a predetermined height within the tank and is operative to sense the passage of an oil/water interface in close proximity to the sensor to generate an output control signal for controlling a solenoid operated valve for the tank to close the valve and prevent spillage of oil into the environment. Collected water can be drained from the tank to a point where the oil/water interface has been reduced to a predetermined height within the tank, thereby leaving adequate remaining oil containing capacity within the tank in the event of further oil discharge from a transformer.
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Dykas Frank J.
Korfanta Craig M.
Michalsky Gerald A.
Pederson Ken J.
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