| 摘要 |
PROBLEM TO BE SOLVED: To improve pressure-resistant characteristics of a vacuum valve having a pair of contacts free in contacting and separation. SOLUTION: The vacuum valve is provided with a vacuum insulated containers 1 divided into the plural number, a fixed-side metal fitting for sealing 2 sealed into the vacuum insulation container 1, a fixed-side conductive shaft 4 fixed in penetration to the fixed-side metal fitting for sealing 2, a fixed-side contact 5 fixed to an end of the fixed-side conductive shaft 4, a movable-side metal fitting for sealing 3 sealed into the vacuum insulated container 1, a movable-side conductive shaft 7 penetrating in free movement through the movable-side metal fitting for sealing 3, a movable-side contact 6 fixed to an end of the movable-side conductive shaft 7, a fixed-side shield 9 fitted so as to surround the fixed-side contact 5, a movable-side shield 10 fitted so as to surround the movable-side contact 6, and a plurality of intermediate electrodes 11 fitted between the fixed-side shield 9 and the movable-side shield 10. COPYRIGHT: (C)2007,JPO&INPIT
|
