EP4354480A4 - Dc circuit breaker - Google Patents
Dc circuit breakerInfo
- Publication number
- EP4354480A4 EP4354480A4 EP21945025.1A EP21945025A EP4354480A4 EP 4354480 A4 EP4354480 A4 EP 4354480A4 EP 21945025 A EP21945025 A EP 21945025A EP 4354480 A4 EP4354480 A4 EP 4354480A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- breaker
- circuit
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/346—Details concerning the arc formation chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/36—Metal parts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/021668 WO2022259347A1 (en) | 2021-06-08 | 2021-06-08 | Dc circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4354480A1 EP4354480A1 (en) | 2024-04-17 |
EP4354480A4 true EP4354480A4 (en) | 2024-07-31 |
Family
ID=81215071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21945025.1A Pending EP4354480A4 (en) | 2021-06-08 | 2021-06-08 | Dc circuit breaker |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4354480A4 (en) |
JP (1) | JP7031083B1 (en) |
WO (1) | WO2022259347A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57163618U (en) * | 1981-04-08 | 1982-10-15 | ||
US4477704A (en) * | 1982-01-28 | 1984-10-16 | Mitsubishi Denki Kabushiki Kaisha | Power switching device |
JPS6132325A (en) * | 1984-07-24 | 1986-02-15 | 三菱電機株式会社 | Circuit breaker |
US6300586B1 (en) * | 1999-12-09 | 2001-10-09 | General Electric Company | Arc runner retaining feature |
US9029727B2 (en) * | 2013-01-24 | 2015-05-12 | Eaton Corporation | Arc runners suitable for DC molded case circuit breakers and related methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0446331Y2 (en) * | 1986-02-26 | 1992-10-30 | ||
JP3252661B2 (en) * | 1995-07-05 | 2002-02-04 | 富士電機株式会社 | Circuit breaker |
JP3955702B2 (en) * | 1999-12-03 | 2007-08-08 | 三菱電機株式会社 | Circuit breaker |
JP2010170876A (en) | 2009-01-23 | 2010-08-05 | Mitsubishi Electric Corp | Circuit breaker |
JP6007135B2 (en) * | 2013-03-07 | 2016-10-12 | 株式会社日立産機システム | Circuit breaker |
JP6336848B2 (en) * | 2014-07-31 | 2018-06-06 | 河村電器産業株式会社 | DC circuit breaker |
-
2021
- 2021-06-08 EP EP21945025.1A patent/EP4354480A4/en active Pending
- 2021-06-08 JP JP2021564251A patent/JP7031083B1/en active Active
- 2021-06-08 WO PCT/JP2021/021668 patent/WO2022259347A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57163618U (en) * | 1981-04-08 | 1982-10-15 | ||
US4477704A (en) * | 1982-01-28 | 1984-10-16 | Mitsubishi Denki Kabushiki Kaisha | Power switching device |
JPS6132325A (en) * | 1984-07-24 | 1986-02-15 | 三菱電機株式会社 | Circuit breaker |
US6300586B1 (en) * | 1999-12-09 | 2001-10-09 | General Electric Company | Arc runner retaining feature |
US9029727B2 (en) * | 2013-01-24 | 2015-05-12 | Eaton Corporation | Arc runners suitable for DC molded case circuit breakers and related methods |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022259347A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP4354480A1 (en) | 2024-04-17 |
WO2022259347A1 (en) | 2022-12-15 |
JPWO2022259347A1 (en) | 2022-12-15 |
JP7031083B1 (en) | 2022-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230928 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H01H0009380000 Ipc: H01H0009460000 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240703 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01H 9/36 20060101ALN20240627BHEP Ipc: H01H 9/34 20060101ALN20240627BHEP Ipc: H01H 73/18 20060101ALI20240627BHEP Ipc: H01H 9/46 20060101AFI20240627BHEP |
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REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40105904 Country of ref document: HK |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |