Surge arrester

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Reexamination Certificate

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Reexamination Certificate

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07466530

ABSTRACT:
A surge arrester includes an outer electrode and an other electrode. An electrically conductive contact element is spaced apart from the outer electrode by an air gap. The electrically conductive contact element is pretensioned by a spring mechanism that exerts a spring force on the contact element in the direction towards the outer electrode. An electrically conductive connection is located between the other electrode and the contact element. The air gap between the outer electrode and the contact element is arranged in a tightly enclosed hollow space.

REFERENCES:
patent: 4034326 (1977-07-01), Hill et al.
patent: 4275432 (1981-06-01), Napiorkowski
patent: 5282109 (1994-01-01), Smith
patent: 5384679 (1995-01-01), Smith
patent: 5450273 (1995-09-01), Boy
patent: 6710996 (2004-03-01), Bobert et al.
patent: 6795290 (2004-09-01), Bobert et al.
patent: 2001/0019471 (2001-09-01), Richter et al.
patent: 42 36 538 (1994-04-01), None
patent: 100 00 617 (2001-07-01), None
patent: 101 34 752 (2003-03-01), None
patent: 2 466 853 (1981-04-01), None
patent: WO 96/05639 (1996-02-01), None

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