Overvoltage protector

Details Overvoltage protector Overvoltage protector

1976-07-19

1978-01-10

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 56, 361 75, 361105, 361111, 361124, H02H 322

Patent

active

040682773

ABSTRACT:
The disclosed protector comprises a three electrode gas tube overvoltage protector serially connected with a heating element, the combination being connected in shunt across the load to be protected. Between that protecting shunt path and the source, a normally closed switch is provided which is responsive to the heating element and opens in the event of a sustained overvoltage condition. Accordingly, a prolonged surge which might otherwise destroy the gas tube and/or the protected load is isolated from both the shunt protection branch and from the load thus preventing damage to both.

REFERENCES:
patent: 3312889 (1967-04-01), Gold
patent: 3353066 (1967-11-01), DeSouza
patent: 3450946 (1969-06-01), Camacho
patent: 3723820 (1973-03-01), Brown
Silicon Zener Diode & Rectifier Handbook by Motorola, 1964, p. 27.

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