Capacitor device

Details Capacitor device Capacitor device

2006-06-12

2009-08-25

Thomas, Eric (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

C361S541000

Reexamination Certificate

active

07580245

ABSTRACT:
A capacitor device has a plurality of capacitors, each including a capacitor element having a positive electrode and a negative electrode in a confronting arrangement through a separator, and a metal case encasing the capacitor element and an electrolyte. The plurality of capacitors include a plurality of first capacitors, each using the metal case as a negative electrode, and a plurality of second capacitors, each using the metal case as a positive electrode. The capacitor device is characterized by a structure that a pair of the first capacitor and the second capacitor form a capacitor unit by having their metal cases coupled with a metal plate, a plurality of capacitor units form a subunit by being connected in series or parallel, and a plurality of subunits form a main unit by being connected in series or parallel. The invention helps facilitate connections when coupling the plurality of capacitor units, and substantially reduces a space required for the connections. The invention also decreases an undesirable resistance associated with the connections.

REFERENCES:
patent: 2006/0146480 (2006-07-01), Thrap
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patent: 2002-353078 (2002-12-01), None
patent: 2004-247320 (2004-09-01), None

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