Electrical capacitor
OwnerMineaki Nishimatsu, Sadayoshi Mukai +4inventors
InventorsMineaki Nishimatsu, Sadayoshi Mukai, Yoshinori Hayashi, Osamu Yamaguchi, Akira Ito, Yasutoshi Hara
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Abstract
An electrical capacitor comprising a capacitor element impregnated with a mixture of di-iso-propyl naphthalene and mono-iso-propyl naphthalene, the amount of which latter being 10% to 60% by weight, and preferably 20% to 40% by weight.
Claims13
An electrical capacitor comprising a capacitor element impregnated with an impregnating oil consisting essentially of a mixture of di-iso-propyl naphthalene (DIPN) and mono-iso-propyl naphthalene (MIPN), said mono-iso-propyl naphthalene being 10% to 80% by weight of said mixture.
An electrical capacitor for subfreezing environments comprising a capacitor element impregnated with an impregnating oil consisting essentially of a mixture of di-iso-propyl naphthalene and mono-iso-propyl naphthalene, said mono-iso-propyl naphthalene being from 10% to 80% by weight of said mixture.
Dependencies are inferred from the claim text.