Sealing device for electrolytic capacitor and method
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United States of America Patent
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-
Nov 26, 2002
Grant Date -
N/A
app pub date -
Aug 24, 1999
filing date -
Aug 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flat pack electrolytic capacitor includes an aluminum end cap having an electrolyte fill hole that is sealed with a seal mechanism to preclude electrolyte leakage under normal operating conditions. The end cap is welded to an open-ended aluminum case in which a capacitor is inserted and the hole is sealed with an O ring and closed end pop rivet after the case is filled with electrolyte. The O ring is initially compressed during positioning of the rivet and further compressed when the closed end rivet is installed.
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