H - Electricity – 01 – G
Patent
H - Electricity
01
G
H01G 4/04 (2006.01) H01G 4/224 (2006.01) H01G 13/04 (2006.01)
Patent
CA 2049569
A plurality of capacitors of the type each including capacitor elements with a very small gap between adjacent electrodes are filled and impregnated with a capacitor oil with the aid of a capacitor ail filling/impregnating apparatus. The apparatus comprises an impregnating chamber. including a capacitor oil supplying portion, a charging/ discharging platform having a plurality of capacitors placed thereon, and distributing/supplying means arranged above the charging/discharging platform so as to allow the capacitor oil to be supplied to the respective capacitors from above by gravity feed of the capacitor oil itself. A capacitor oil filling/impregnat:ing method is practiced with the aid of the foregoing apparatus by way of the steps of heating the interior of the impregnating chamber under a high level of vacuum to dry the respective capacitors on the charging/discharging platform, cooling the capacitors after completion of the drying operation, supplying the capacitor oil to each capacitor from a capacitor oil refining/supplying system via the capacitor oil supplying portion, keeping the capacitors still. for a predetermined period of time after completion of the capacitor oil supplying operation, and allowing the capacitors to be impregnated with the capacitor oil.
Dohi Hideyuki
Hayashi Shozo
Sugisawa Kunio
Tai Shoji
Gowling Lafleur Henderson Llp
Nippon Petrochemicals Co. Ltd.
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