Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Patent
1993-02-17
1994-10-25
Lateef, Marvin M.
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
338235, 361127, H01C 710
Patent
active
053593162
ABSTRACT:
A zinc oxide type arrester including: four constitutional units electrically connected in parallel and a closed container accommodating the constitutional units. Each of the constitutional units includes a first columnar stack body composed by stacking zinc oxide elements and insulating spacers in a first predetermined order, a second columnar stack body composed by stacking zinc oxide elements and insulating spacers in a second predetermined order and a third columnar stack body composed by stacking zinc oxide elements and insulating spacers in a third predetermined order, the zinc oxide elements in the first, second and third columnar stack bodies contained in one constitutional unit are connected in series as a whole, and at least two of the three columnar stack bodies having same stacking structures in adjoining constitutional units are arranged to closely face each other.
REFERENCES:
patent: 5241294 (1993-08-01), Pham et al.
Ooishi Kazuya
Ozawa Jun
Shindo Katsuji
Hitachi , Ltd.
Lateef Marvin M.
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