Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Patent
1982-04-12
1984-03-27
Eisenzopf, Reinhard J.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
361 56, 361120, 219212, 219505, 313306, 313581, 315 91, H02H 320
Patent
active
044398018
ABSTRACT:
The apparatus includes three electrodes housed in a single enclosure which is filled with a gas. A first one of the electrodes is connected to the junction of a load and a fuse. A second one of the electrodes is connected to an intermediate point of the load, which intermediate point separates the load into two normally equal impedance segments. A third one of the electrodes is connected to the other end of the load. When either of the impedances of the two segments of the load changes sufficiently to cause a breakdown voltage between either the first and second electrodes or between the second and third electrodes to be exceeded, current flows between the first and third electrode thereby short-circuiting the load and causing the fuse to break.
REFERENCES:
patent: 1886180 (1932-11-01), Green
patent: 3328623 (1967-06-01), Hale et al.
patent: 3466504 (1969-09-01), Hart, Jr.
patent: 4354217 (1982-10-01), Mahon
Using and Understanding Miniature Neon Lamps by William G. Miller, General Electric Glow Lamp Manual, (Second Edition).
Eisenzopf Reinhard J.
Gilbert III E. Harrison
Xenell Corporation
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