| 摘要 |
PURPOSE:To make a device so compact in size as a whole by constituting cooling water so as to come into a state of being atomized at an insulating part between a water jacket at the high voltage side and a piping system at the grounding side when pumps on both sides are driven. CONSTITUTION:When a high voltage side pump 3 and a grounding side pump 8 are driven, storage water in a high voltage side water tank 4 runs past a water jacket 2 by the high voltage side pump 3, turning to atomizing water at a high voltage side spray nozzle 6, and it is housed in a grounding side water tank 7, while storage water in this water tank 7 runs past a heat exchanger 9 by the grounding side pump 8, turning to atomizing water at a grounding side spray nozzle 5, thus it is stored in the high voltage side water tank 4. Thus, cooling of a high voltage part can be done. Here, the high voltage side and the grounding side are insulated from each other at a space A between a storage water level in the high voltage side water tank 4 and the grounding side nozzle 5 as well as a space B between storage water level in the grounding side water tank 7 and the high voltage side spray nozzle 6. With this constitution, an insulating distance becomes very shortened so that miniaturization in the whole device is promoted.
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