Electricity: electrical systems and devices – Miscellaneous
Patent
1977-05-16
1978-08-15
James, Andrew J.
Electricity: electrical systems and devices
Miscellaneous
361 26, 361 32, 361105, 361275, 357 72, 357 51, 29570, H01G 900, B01J 1700
Patent
active
041077628
ABSTRACT:
A fuse for a solid electrolyte capacitor is made of two exothermically alloyable metals such as aluminum and palladium. The fuse has a series electrical connection with and a thermal connection to the capacitor body. A defective and overheated capacitor section results in abnormally high currents so that the fuse temperature is elevated by ohmic self-heating and/or by the flow of heat from the overheated body. When the alloying temperature of the fuse is reached, the temperature of the alloying fuse momentarily becomes very high and opens essentially along its entire length.
REFERENCES:
patent: 3027502 (1962-03-01), Moriguchi
patent: 3236976 (1966-02-01), Rayno
patent: 3783506 (1974-01-01), Rehfeld
patent: 3882324 (1975-05-01), Smolker et al.
patent: 4017773 (1977-04-01), Cheseldine
Maher John P.
Shirn George A.
James Andrew J.
Sprague Electric Company
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