VACUUM VALVE

WIPO Patent Application WO/2020/218137

A1

A vacuum valve (1) comprising: an insulation cylinder (2); a fixed-side flange (3) that seals one end of the insulation cylinder (2); a movable-side flange (4) that seals the other end; a fixed-side electrode rod (6) that has one end anchored to the fixed-side flange (3), a fixed-side electrode fitting shaft (6b) being provided on a fixed-side end surface (6a), which is the other end; a movable-side electrode rod (7) that has one end side connected to the movable-side flange (4) with a bellows (8) interposed therebetween, a movable-side electrode fitting shaft (7b) being provided on a movable-side end surface (7a), which is the other end; a fixed-side windmill-shaped electrode (12) that is anchored to the end part of the fixed-side electrode fitting shaft (6b); and a movable-side windmill-shaped electrode (13) that is anchored to the end part of the movable-side electrode fitting shaft (7b). The vacuum valve (1) is provided with: a fixed-side support implement (14) in which a fixed-side spacer part (14a) and a fixed-side flat plate part (14b) are provided between the fixed-side end surface (6a) and the fixed-side windmill-shaped electrode (12); and a movable-side support implement (15) in which a movable-side spacer part (15a) and a movable-side flat plate part (15b) are provided between the movable-side end surface (7a) and the movable-side windmill-shaped electrode (13).

KAWADA MASASHI (JP)

PCT/JP2020/016673

October 29, 2020

April 16, 2020

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MITSUBISHI ELECTRIC CORP (JP)

H01H33/664

WO2017183323A1

2017-10-26

JP2016095905A

2016-05-26

PALMO PATENT FIRM, P.C. (JP)

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