Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1978-09-25
1980-07-29
Salce, Patrick R.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361119, 337 32, H02H 902, H02H 720
Patent
active
042153816
ABSTRACT:
An electrical protector assembly (100) for grounding excessive voltages and excessive currents encountered on a telecommunication line circuit includes a heat coil subassembly (103) for sensing the excessive currents and apparatus (102 and 104) axially aligned with the heat coil assembly for conducting the excessive voltages to ground. When excessive currents are encountered on the line circuit, the protector provides a direct metallic contact (151 and 102) between the line circuit and ground. The internal arrangement of the protector allows both carbon blocks (180 and 181) and gas tube protectors (196) to be used as excessive voltage protection devices. In addition, miniature electronic circuits, such as minibridge lifters (195), may be advantageously incorporated into the protector module.
REFERENCES:
patent: 3573695 (1971-04-01), Geyer et al.
patent: 3818271 (1974-06-01), Baumbach
patent: 4004192 (1977-01-01), Carney
patent: 4004263 (1977-01-01), Carney
patent: 4057692 (1977-11-01), Debortoli et al.
patent: 4074337 (1978-02-01), Debortoli et al.
Cook Electric Co. Price List, May 15, 1978, pp. A15-A16, The type 4A-Heat Coil and MESA Carbon Protector Module.
Bell Telephone Laboratories Incorporated
Fisher John W.
Salce Patrick R.
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