EP4254459A4 - Electromagnetic actuator and electromagnetic actuator-equipped circuit breaker - Google Patents

Electromagnetic actuator and electromagnetic actuator-equipped circuit breaker Download PDF

Info

Publication number
EP4254459A4
EP4254459A4 EP20963447.6A EP20963447A EP4254459A4 EP 4254459 A4 EP4254459 A4 EP 4254459A4 EP 20963447 A EP20963447 A EP 20963447A EP 4254459 A4 EP4254459 A4 EP 4254459A4
Authority
EP
European Patent Office
Prior art keywords
electromagnetic actuator
circuit breaker
equipped circuit
actuator
electromagnetic
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
EP20963447.6A
Other languages
German (de)
French (fr)
Other versions
EP4254459A1 (en
Inventor
Nobumoto TOYA
Sho Tanaka
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 EP4254459A1 publication Critical patent/EP4254459A1/en
Publication of EP4254459A4 publication Critical patent/EP4254459A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/088—Electromagnets; Actuators including electromagnets with armatures provided with means for absorbing shocks
    • 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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7463—Adjusting only the electromagnetic mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H2071/249—Electromagnetic mechanisms with part of the magnetic circuit being in the normal current path in the circuit breaker, e.g. yoke, fixed contact and arc-runner are made out of one single conductive element
EP20963447.6A 2020-11-25 2020-11-25 Electromagnetic actuator and electromagnetic actuator-equipped circuit breaker Pending EP4254459A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/043730 WO2022113182A1 (en) 2020-11-25 2020-11-25 Electromagnetic actuator and electromagnetic actuator-equipped circuit breaker

Publications (2)

Publication Number Publication Date
EP4254459A1 EP4254459A1 (en) 2023-10-04
EP4254459A4 true EP4254459A4 (en) 2023-12-20

Family

ID=81754113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20963447.6A Pending EP4254459A4 (en) 2020-11-25 2020-11-25 Electromagnetic actuator and electromagnetic actuator-equipped circuit breaker

Country Status (3)

Country Link
EP (1) EP4254459A4 (en)
JP (1) JP7366292B2 (en)
WO (1) WO2022113182A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228701A (en) * 1983-06-10 1984-12-22 Tokyo Electric Co Ltd Electromagnet
US5663700A (en) * 1995-08-25 1997-09-02 Trombetta Corporation Sound dampening solenoid
US20160305571A1 (en) * 2013-12-10 2016-10-20 Robert Bosch Gmbh Electromagnet of an electromagnetically actuated fluid valve
JP6768174B1 (en) * 2019-11-14 2020-10-14 三菱電機株式会社 Electromagnetic actuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01173911U (en) * 1988-05-26 1989-12-11
JP2001143927A (en) 1999-11-16 2001-05-25 Aichi Electric Co Ltd Device for reducing noise of solenoid
JP3713576B2 (en) 2002-04-25 2005-11-09 ティディエス株式会社 solenoid
JP6011416B2 (en) 2013-03-27 2016-10-19 豊田合成株式会社 Interior product for vehicle and manufacturing method thereof
ES1144259Y (en) 2015-08-27 2015-12-29 Bitron Ind Espana Sa ELECTROIMAN BI-STABLE PROVIDED WITH A NOISE SHOCK ABSORBER SYSTEM AND MAGNETIC COMPENSATOR

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228701A (en) * 1983-06-10 1984-12-22 Tokyo Electric Co Ltd Electromagnet
US5663700A (en) * 1995-08-25 1997-09-02 Trombetta Corporation Sound dampening solenoid
US20160305571A1 (en) * 2013-12-10 2016-10-20 Robert Bosch Gmbh Electromagnet of an electromagnetically actuated fluid valve
JP6768174B1 (en) * 2019-11-14 2020-10-14 三菱電機株式会社 Electromagnetic actuator
WO2021095206A1 (en) * 2019-11-14 2021-05-20 三菱電機株式会社 Electromagnetic actuator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022113182A1 *

Also Published As

Publication number Publication date
EP4254459A1 (en) 2023-10-04
JP7366292B2 (en) 2023-10-20
WO2022113182A1 (en) 2022-06-02
JPWO2022113182A1 (en) 2022-06-02

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