Title:
VACUUM INTERRUPTER
Document Type and Number:
WIPO Patent Application WO/2021/140668
Kind Code:
A1
Abstract:
This vacuum interrupter (50) has: a grounded tank (1); a vacuum valve (2) having a vacuum container (2c) accommodating a movable-side contact (2a) and a fixed-side contact (2b), a movable conductor (7) that is connected to the movable-side contact (2a) and protrudes to the outside of the vacuum container (2c), and a cylindrical bellows (3); a cylindrical movable-side bushing conductor (12a); a slider (40) movably disposed inside the cylindrical movable-side bushing conductor (12a); a movable frame (5) that communicates with a space inside the cylinder of the bellows (3) and electrically connects the movable-side bushing conductor (12a) to the movable conductor (7); an operating rod (31) one end (31a) of which protrudes to the outside of the grounded tank (1) and the other end (31b) of which is coupled to the movable conductor (7); an operating device (30) that moves the operating rod (31); a movable-side-support plate (8a) that covers the end section of the grounded tank (1) from which the operating rod (31) protrudes; and a packing (33) installed in a hole (32).
Inventors:
SUGINO KAZUKI (JP)
NAKAMURA YASUNORI (JP)
NAKAMURA YASUNORI (JP)
Application Number:
PCT/JP2020/000750
Publication Date:
July 15, 2021
Filing Date:
January 10, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H33/42; H01H33/53; H01H33/662; H01H33/666; H02B13/035
Foreign References:
| JP2017022002A | 2017-01-26 | |||
| JPS50143079A | 1975-11-18 | |||
| JP2018049764A | 2018-03-29 | |||
| JP2013058312A | 2013-03-28 |
Other References:
See also references of EP 4089706A4
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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