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Patent Searching and Data


Title:
SWITCH
Document Type and Number:
WIPO Patent Application WO/2021/019724
Kind Code:
A1
Abstract:
A vacuum circuit breaker (100) serving as a switch is provided with: a pair of electrodes, namely a fixed electrode (2) and a movable electrode (3); an operating device (4) having an accommodation part (19) and a movable shaft (18) serving as a first movable part for pulling the movable electrode (3) away from the fixed electrode (2) and bringing the movable electrode (3) into contact with the fixed electrode (2); a movable shaft (21) serving as a second movable part connected to the movable electrode (3); a coil spring (14) serving as an elastic member connected between the first movable part and the second movable part to push the movable electrode (3) against the fixed electrode (2); and shock absorbers (8) serving as a damping mechanism for reducing contraction of the elastic member when the movable electrode (3) is pulled away from the fixed electrode (2).

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Inventors:
SATO MOTOHIRO (JP)
SUGINO KAZUKI (JP)
YOSHITOMO YUJI (JP)
Application Number:
PCT/JP2019/030003
Publication Date:
February 04, 2021
Filing Date:
July 31, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H33/666; H01H33/42
Domestic Patent References:
WO2016181732A12016-11-17
Foreign References:
JP2001210195A2001-08-03
JP2015043656A2015-03-05
JP2017208316A2017-11-24
Other References:
See also references of EP 4006940A4
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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