EP4503078A4 - OPENING AND CLOSING DEVICE - Google Patents

OPENING AND CLOSING DEVICE

Info

Publication number
EP4503078A4
EP4503078A4 EP22935430.3A EP22935430A EP4503078A4 EP 4503078 A4 EP4503078 A4 EP 4503078A4 EP 22935430 A EP22935430 A EP 22935430A EP 4503078 A4 EP4503078 A4 EP 4503078A4
Authority
EP
European Patent Office
Prior art keywords
opening
closing device
closing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22935430.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4503078A1 (en
Inventor
Junichi Abe
Koichi Kagawa
Takahiro EDO
Yasunori Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4503078A1 publication Critical patent/EP4503078A1/en
Publication of EP4503078A4 publication Critical patent/EP4503078A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H01H2001/545—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force having permanent magnets directly associated with the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/185—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
EP22935430.3A 2022-03-31 2022-03-31 OPENING AND CLOSING DEVICE Pending EP4503078A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/016571 WO2023188287A1 (ja) 2022-03-31 2022-03-31 開閉装置

Publications (2)

Publication Number Publication Date
EP4503078A1 EP4503078A1 (en) 2025-02-05
EP4503078A4 true EP4503078A4 (en) 2025-04-16

Family

ID=83806050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22935430.3A Pending EP4503078A4 (en) 2022-03-31 2022-03-31 OPENING AND CLOSING DEVICE

Country Status (4)

Country Link
EP (1) EP4503078A4 (https=)
JP (1) JP7162782B1 (https=)
CN (1) CN118872019A (https=)
WO (1) WO2023188287A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024252578A1 (https=) 2023-06-07 2024-12-12

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004236459A (ja) * 2003-01-31 2004-08-19 Hitachi Ltd ガス絶縁開閉装置
JP2020042985A (ja) * 2018-09-11 2020-03-19 日新電機株式会社 ガス遮断器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197144U (https=) * 1981-06-11 1982-12-14
WO1994014177A1 (en) * 1992-12-16 1994-06-23 Nu-Lec Pty. Ltd. Arc extinguishing switch apparatus and method
JP4197406B2 (ja) * 2002-05-23 2008-12-17 三菱電機株式会社 ガス絶縁開閉器
JP5179278B2 (ja) 2008-07-23 2013-04-10 三菱電機株式会社 開閉器
JP5368150B2 (ja) * 2009-04-14 2013-12-18 三菱電機株式会社 開閉器
JP6029524B2 (ja) * 2013-04-22 2016-11-24 株式会社日立製作所 開閉装置
JP2020161459A (ja) * 2019-03-28 2020-10-01 株式会社日立製作所 接地開閉装置及びそれを備えたガス絶縁開閉装置
CN115004494A (zh) * 2020-01-27 2022-09-02 三菱电机株式会社 气体绝缘开关装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004236459A (ja) * 2003-01-31 2004-08-19 Hitachi Ltd ガス絶縁開閉装置
JP2020042985A (ja) * 2018-09-11 2020-03-19 日新電機株式会社 ガス遮断器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023188287A1 *

Also Published As

Publication number Publication date
EP4503078A1 (en) 2025-02-05
JPWO2023188287A1 (https=) 2023-10-05
CN118872019A (zh) 2024-10-29
JP7162782B1 (ja) 2022-10-28
WO2023188287A1 (ja) 2023-10-05

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