Device for indicating the short-circuiting of a lightning arrest

Details Device for indicating the short-circuiting of a lightning arrest Device for indicating the short-circuiting of a lightning arrest

1987-07-28

1988-11-29

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361127, 340647, 340650, 324555, H02H 904

Patent

active

047886226

ABSTRACT:
In order visually to indicate the existence of a "continuation" current through a lightning arrester, an indicator is associated therewith, which is formed by an elastically deformable strip maintained retracted against capsule electrode by a retention mechanism which is associated with an electrical filter which causes fusion of a fusible wire under the effect of a "continuation" current. Once its end is released, the strip projects outwardly of the lightning arrester and marks the location of the defective insulation.

REFERENCES:
patent: 1526770 (1925-02-01), Brain
patent: 2498120 (1950-02-01), Fox
patent: 3869650 (1975-03-01), Cunningham et al.
patent: 4259666 (1981-03-01), Takahashi et al.
patent: 4507701 (1985-03-01), Fujiwara et al.

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