Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1985-12-16
1988-03-01
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361127, H02H 104
Patent
active
047290536
ABSTRACT:
A lightning arrester with a monolithic, active resistor core made of voltage-dependent resistance material based on ZnO is produced by mixing and grinding the base materials ZnO+metal oxides, producing pourable granules, filling into a silicone rubber tube and pressing cold-isostatically or radially into a moulding, sintering of the moulding into a self-supporting, monolithic resistor core, converting the resistor core, with an insulator by casting around, coating or painting with an epoxy resin, silicone material or concrete polymer or by drawing over a shrink-fit tube or by glazing. The resultant lightning arrester has a simple configuration, good reproducibility, cost-effective mass production.
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patent: 3753198 (1973-08-01), Shimizu
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patent: 4069465 (1978-01-01), Kouchich et al.
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patent: 4262318 (1981-04-01), Shirakawa et al.
patent: 4364021 (1982-12-01), Levinson
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patent: 4450426 (1984-05-01), Miyoshi et al.
Maier Gunther
Mosele Joseph
Perkins Roger
BBC Brown Boveri & Company Limited
Jennings Derek S.
Pellinen A. D.
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