Interrupter

Details Interrupter Interrupter

1977-09-16

1980-03-04

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

337 34, 339 14P, 361 55, 361104, 361119, H02H 322

Patent

active

041919858

ABSTRACT:
A device, for protecting electrical equipment and appliances from electrical surges, having: male prong members to connect the device to an electrical outlet; a female receptacle to receive a plug of the equipment or appliance; current diverting means including a varistor and thermofuse for interrupting current at the female receptacle upon the occurrence on the line feeding the outlet of transient voltage spikes and surges exceeding a predetermined voltage level. The electrical outlets include power outlets and telephone connectors of the multi-prong or coaxial type. Equipment which may be protected by an embodiment of this device includes devices e.g. recorders, computer terminals, which may be connected to the telephone lines.

REFERENCES:
patent: 2988617 (1961-06-01), Graziosi
patent: 3255330 (1966-06-01), MacKenzie et al.
patent: 3274447 (1966-09-01), Nelson
patent: 3353066 (1967-11-01), De Souza
patent: 3546692 (1970-12-01), Salzer
patent: 3793560 (1974-02-01), Schultheis
patent: 3821686 (1974-06-01), Harnden, Jr.
patent: 3840781 (1974-10-01), Brown
patent: 3889222 (1975-06-01), Takano et al.
patent: 4023071 (1977-05-01), Fussell
patent: 4075676 (1978-02-01), Phillips, Jr.

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