| 摘要 |
PROBLEM TO BE SOLVED: To provide a discharge gap of a Tesla coil causing no fusion at screw portions of a rod-shaped electrode and a holding member in the discharge gap. SOLUTION: The discharge gap structure includes a pair of rod-shaped electrodes disposed opposite to each other; and a holding member with a flat plate portion composed of a conductor for holding and conducting the pair of electrodes including a rotatable rotary electrode disposed at a position held between the pair of electrodes and of which the interval between each of the electrodes and the rotary electrode is simultaneously decreased or increased by the rotation of the rotary electrode, and a driving means for rotating the rotary electrode. Screws are formed on each base end side of the rod-shaped electrodes, each of the pair of electrodes is screwed down to the holding member, resulting from the screws penetrating through screw holes disposed on the flat plate portion. Moreover, each of the rod-shaped electrodes is fastened and fixed by a nut pressing the face of the base end side of the holding member. COPYRIGHT: (C)2005,JPO&NCIPI
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