Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
GAS-INSULATED SWITCHGEAR
Document Type and Number:
WIPO Patent Application WO/2023/188346
Kind Code:
A1
Abstract:
This gas-insulated switchgear comprises a circuit breaker for cutting off current, a plurality of opening/closing action devices having an opening/closing action unit that opens and closes according to rotation of a driven pulley, a circuit breaker operating apparatus (20) for causing the circuit breaker to perform opening/closing actions, a plurality of opening/closing action device operating apparatuses (30) provided with a drive pulley (32) rotationally driven by a motor (31), a wire (60) for transmitting the rotational force of the drive pulley (32), and a housing (70) for accommodating the circuit breaker operating apparatus (20) and the opening/closing action device operating apparatuses (30), the plurality of opening/closing action device operating apparatuses (30) being arranged above the circuit breaker operating apparatus (20) with two horizontally aligned opening/closing action device operating apparatuses (30) included as one set in the housing (70), and each of the two opening/closing action device operating apparatuses (30) included in one set being such that the wire (60) is hung on the drive pulley (32) from a direction different than the direction in which the other opening/closing action device operating apparatus (30) in the same set is disposed.

Inventors:
SHIMABAYASHI KEITA (JP)
NAKAUCHI SHINICHIRO (JP)
KUBOTA MASATO (JP)
Application Number:
PCT/JP2022/016743
Publication Date:
October 05, 2023
Filing Date:
March 31, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02B13/035
Domestic Patent References:
WO2015111133A12015-07-30
Foreign References:
JPH07123546A1995-05-12
JP2008022618A2008-01-31
JP2017158397A2017-09-07
JPH0345009U1991-04-25
JPH01186106A1989-07-25
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
Download PDF: