VARIABLE VACUUM CAPACITOR AND COOLING METHOD

A variable vacuum capacitor is described in which oil inside the main bellows 21 is pumped through the bellows and through the oil circuit 8 of a heat exchanger by a pump 15. Water passes through coolant channels 6 of the heat exchanger, from inlet 7 to outlet 7'. The extendable capacitor drive...

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Bibliographische Detailangaben
Hauptverfasser:	BIGLER, Walter, MILDNER, Mark, ALTENHOVEN, Thierry, WEBER, Timothy, Albert
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY
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Beschreibung
Zusammenfassung:	A variable vacuum capacitor is described in which oil inside the main bellows 21 is pumped through the bellows and through the oil circuit 8 of a heat exchanger by a pump 15. Water passes through coolant channels 6 of the heat exchanger, from inlet 7 to outlet 7'. The extendable capacitor drive shaft 14 is hollow and serves as a conduit, conveying the oil to the bottom of the bellows 21, thereby ensuring a full circulation of the oil right through the bellows and then through the heat exchanger. Pump drive means 9 may be a gerotor hydraulic motor, coupled to a gerotor oil pump 15 via magnetic coupling 22. Pumping heat transfer fluid (oil) through the bellows allows the capacitor to operate at significantly higher currents and/or lower temperatures, and significantly extends the life of the device.