Leak indicating apparatus for a closed cooling system of an elec

Details Leak indicating apparatus for a closed cooling system of an elec Leak indicating apparatus for a closed cooling system of an elec

1975-08-18

1977-02-22

Wayner, William E.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

62129, 310 53, H02K 924

Patent

active

040087557

ABSTRACT:
The invention is directed to a leak indicating apparatus for the closed cooling system of an electric machine. The elevation of the coolant level in the expansion tank of the cooling system as well as the measured average temperature of the coolant are translated into electrical signals which are compared with each other. Only when there is a deviation from the normal volume-temperature proportionality and after a time delay, is replenishing coolant supplied or an indicating device actuated.

REFERENCES:
patent: 3122668 (1964-02-01), Cuny
patent: 3410102 (1968-11-01), Karsten
patent: 3602294 (1971-08-01), Wanson

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