Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1976-09-30
1978-07-25
Pitts, Harold I.
Communications: electrical
Condition responsive indicating system
With particular system function
200144B, 340605, 361120, 340644, G08B 2100
Patent
active
041032918
ABSTRACT:
A leak sensor powered directly by the circuit voltage being controlled by the vacuum circuit interrupter and continuously operating while the interrupter is in service. An indicating system is connected to the leak sensor, or sensors, and provides an indication of failure and corrective action to be taken in single phase or multi-phase circuits.
REFERENCES:
patent: 3403297 (1968-09-01), Crouch
patent: 3889079 (1975-06-01), Emmerich et al.
Howe Francis M.
Yin Simon
Myer Daniel
Pitts Harold I.
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