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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7859819 | Cooled energy storage device and press including such a device In an energy storage device (1) with evaporation cooling wherein the boiling temperature of a liquid which is disposed in heat exchange relationship with electric capacitors (2, 3, 4) for limiting the operating temperature of the electric capacitors, a... | 12/28/2010 |
| 7170738 | HV capacitor and testing method A high voltage capacitor design is provided that provides improved performance. The high voltage capacitor includes a stack of mechanically joined capacitor cells, which in one variant utilize a separator formed of two layers of paper. In one version, the high volta... | 01/30/2007 |
| 7027290 | Capacitor heat reduction apparatus and method High capacitance capacitors are provided to supply or accept large currents. As current flow through a capacitor increases, heat may be generated. Above a certain threshold temperature or current, a capacitor may fail. The present invention addresses capacitor's ten... | 04/11/2006 |
| 6352655 | Vegetable oil based dielectric fluid A dielectric fluid system for use in electrical equipment comprising a dielectric fluid comprising vegetable oil and an oxidation reducing composition encased in a housing composed of a polymeric material that is substantially permeable to oxygen. The oxi... | 03/05/2002 |
| 5673168 | High ripple current capacitor A capacitor structure for dissipating heat, for example, generated by high ripple currents. The capacitor includes an outer casing of substantially annular cross section comprising an outer side wall, a bottom and an interior tube integrally formed from a... | 09/30/1997 |
| 4472757 | Electric capacitor with liquid cooling An electric capacitor particularly for use as a high frequency power capacitor, and provided with liquid cooling, the capacitor having separated metal layers as its plates and the metal layers being separated by a densely sintered ceramic dielectric body,... | 09/18/1984 |
| 4428025 | Cooling arrangements A cooling arrangement which is primarily intended for incorporation in a high power variable capacitor consists of an elongate deflector mounted within an expandable tubular bellows. The movable end of the bellows carries one of two sets of capacitor vane... | 01/24/1984 |
| 4315299 | Power capacitor with high heat dissipation The application relates to a high power tubular ceramic capacitors cooled by an auxiliary fluid. To increase the electrical power dissipated by these capacitors a better thermal equilibrium is obtained by means of a novel turbulent, laminar, cooling water... | 02/09/1982 |
| 4271454 | Capacitor of disk shape with liquid cooling A liquid cooled capacitor includes a disk comprised of a dielectric, e.g., ceramic, material. On both opposite surfaces of the disk are applied a respective electrode. For cooling each of the electrodes, there is a liquid cooling chamber above it. In one ... | 06/02/1981 |
| 4209815 | Capacitor protective circuit A liquid dielectric capacitor is provided housed in a sealed casing having a noncircular cross-section. The casing includes a sealed top cover to which terminals are affixed. An elongated flexible plate member is positioned within the casing spanning a ma... | 06/24/1980 |
| 4173776 | Power capacitor with an internal support structure A cradle structure situated within and fastened to a capacitor containment casing for supporting an electrical assembly disposed within that casing. The cradle structure is attached to either the containment casing's side walls or its cover.... | 11/06/1979 |
| 4107758 | Fused oil filled capacitor An oil filled capacitor has an exothermically alloyable fuse strand within the closed housing that is filled with a dielectric oil. A circuit interruptor means is included within the housing that interrupts a capacitor section to housing terminal connecti... | 08/15/1978 |
| 4095264 | Capacitor bank A capacitor bank for use in high voltage electric plants such as series or shunt capacitors or in filter circuits for high voltage direct current plants. The capacitor bank comprises a number of capacitor units in a closed tank containing a gas for electr... | 06/13/1978 |
