Title:
CONNECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/144875
Kind Code:
A1
Abstract:
A bushing (100) installed between an oil-insulated device and a gas-insulated device to electrically connect an inner conductor of the oil-insulated device and an inner conductor of the gas-insulated device, the bushing (100) having a cylindrical bushing tank (10), a cylindrical gas-side insulating spacer (30) installed at one end of the bushing tank (10), a cylindrical oil-side insulating spacer (40) installed at the other end of the bushing tank (10), and a central conductor (50) that traverses the gas-side insulating spacer (30), the bushing tank (10) and the oil-side insulating spacer (40) such that a gas-side contact portion (51), which is one end portion thereof, protrudes from the gas-side insulating spacer (30) in the axial direction of the bushing tank (10) and an oil-side contact portion (52), which is the other end portion thereof, protrudes from the oil-side insulating spacer (40) in the axial direction of the bushing tank (10), wherein the gas-side contact portion (51) has formed therein a vent hole (511) that connects the inside and the outside of the bushing tank (10).
Inventors:
ASHIKAGA TAIKI (JP)
TSUKAO YASUHIRO (JP)
NAKAUCHI SHINICHIRO (JP)
TSUKAO YASUHIRO (JP)
NAKAUCHI SHINICHIRO (JP)
Application Number:
PCT/JP2022/002603
Publication Date:
August 03, 2023
Filing Date:
January 25, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02B13/045
Foreign References:
| JP2015191921A | 2015-11-02 | |||
| JPS5828812A | 1983-02-19 | |||
| JPS62155707A | 1987-07-10 | |||
| JP2013240141A | 2013-11-28 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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