Electricity: electrical systems and devices – Electrostatic capacitors – With protection or compensating means
Patent
1984-10-25
1986-10-21
Pellinen, A. D.
Electricity: electrical systems and devices
Electrostatic capacitors
With protection or compensating means
29 2542, H01G 111
Patent
active
046189106
ABSTRACT:
An electrical dry metallized film capacitor includes a capacitor roll section, formed from a metallized film having connecting leads attached to the top and bottom thereof. The capacitor roll section is then coated with a non-stick coating and then inserted into a closed-end container, the connecting lead attached to the bottom of the capacitor roll section being dressed along the side thereof to the open end of the container. Potting compound is then inserted into the container up to the top of the capacitor roll section. Upon electrical failure of the capacitor, the non-stick coating allows gases, formed in the capacitor roll section, to axially shift the capacitor roll section thereby breaking the connection to the bottom connecting lead which is securely held by the potting compound.
REFERENCES:
patent: 3304473 (1967-02-01), Netherwood et al.
patent: 3473088 (1969-10-01), Ernst
patent: 3731130 (1973-05-01), Dutta
patent: 3831070 (1974-08-01), Boville et al.
patent: 3909683 (1975-09-01), Kysely
patent: 4186417 (1980-01-01), Grahame
Carino John W.
Strange Thomas F.
Briody Thomas A.
Gaffin Jeffrey A.
Goodman Edward W.
North American Philips Corporation
Pellinen A. D.
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