Flame-proof electric device

Details Flame-proof electric device Flame-proof electric device

1989-09-26

1990-09-18

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

2003021, 174 521, 361356, H02B 104

Patent

active

049582569

ABSTRACT:
The flame-proof electric device includes a flame-proof partition separating a flame-proof lead-in chamber for the current conductors and power supply cable and a flame-proof component chamber. The flame-proof partition has mounted thereon an interlocking disconnecting switch, a flame-proof casing and at least one first, at least one second and at least one third lead-through current-conducting terminals. The first lead-through current-conducting terminal is connected with the power supply cable and the interlocking disconnecting switch which is also connected through a serial connection of the third and second lead-through current-conducting terminals with the components of the electric circuitry within the flame-proof component chamber.

REFERENCES:
patent: 3385945 (1968-05-01), Tums
patent: 3582535 (1971-06-01), Appleton
patent: 3614539 (1971-10-01), Hallenbeck
patent: 3743800 (1973-07-01), Appleton
patent: 3775551 (1973-11-01), Prehmus
patent: 4213018 (1980-07-01), Piston
patent: 4527029 (1985-07-01), Brockmann
Electrical Equipment for the Mining Industry 4 pages.
EMA-Aparator 6 pages.

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