Power line transient surge suppressor

Details Power line transient surge suppressor Power line transient surge suppressor

1984-03-02

1986-05-06

Tolin, G. P.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 55, 361 56, 361 58, 361 91, 361104, 361110, 361111, 337 17, 337 32, H02H 900

Patent

active

045875880

ABSTRACT:
A power line transient surge suppressor circuit features a nonlinear surge-bypassing network connected to bypass line surges around electrical loads connected to circuit output terminals. A fuse is inserted in series with the network, and blows in the event of short-circuit failure of a regulator device in the network. A thermal cut-out preferably of the irreversibly actuated type is inserted in series with the suppressor circuit input. A current-limiting heater resistor connected in parallel with the fuse supplies heat to trip the cut-out after the fuse blows, thereby permanently terminating power output to the loads. A similar suppression network is provided for the earth lead in three-wire systems.

REFERENCES:
patent: 4023071 (1977-05-01), Fussell
patent: 4068277 (1978-01-01), Simokat
patent: 4068279 (1978-01-01), Byrnes
patent: 4089032 (1978-05-01), Orfano
patent: 4168514 (1979-09-01), Howell
patent: 4191985 (1980-03-01), Phillips, Jr.
patent: 4271446 (1981-06-01), Comstock

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