JP7651724B2 - 回転電機の回転子 - Google Patents

回転電機の回転子 Download PDF

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Publication number
JP7651724B2
JP7651724B2 JP2023561961A JP2023561961A JP7651724B2 JP 7651724 B2 JP7651724 B2 JP 7651724B2 JP 2023561961 A JP2023561961 A JP 2023561961A JP 2023561961 A JP2023561961 A JP 2023561961A JP 7651724 B2 JP7651724 B2 JP 7651724B2
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JP
Japan
Prior art keywords
rotor
magnet
outermost
electric machine
rotating electric
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.)
Active
Application number
JP2023561961A
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English (en)
Japanese (ja)
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JPWO2023089670A1 (https=
Inventor
幸広 吉成
徳昭 日野
拓弥 宮城
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.)
Astemo Ltd
Original Assignee
Hitachi Astemo Ltd
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 Hitachi Astemo Ltd filed Critical Hitachi Astemo Ltd
Publication of JPWO2023089670A1 publication Critical patent/JPWO2023089670A1/ja
Application granted granted Critical
Publication of JP7651724B2 publication Critical patent/JP7651724B2/ja
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP2023561961A 2021-11-16 2021-11-16 回転電機の回転子 Active JP7651724B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/042124 WO2023089670A1 (ja) 2021-11-16 2021-11-16 回転電機の回転子

Publications (2)

Publication Number Publication Date
JPWO2023089670A1 JPWO2023089670A1 (https=) 2023-05-25
JP7651724B2 true JP7651724B2 (ja) 2025-03-26

Family

ID=86396370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023561961A Active JP7651724B2 (ja) 2021-11-16 2021-11-16 回転電機の回転子

Country Status (4)

Country Link
US (1) US20250023406A1 (https=)
JP (1) JP7651724B2 (https=)
CN (1) CN118251824A (https=)
WO (1) WO2023089670A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013188023A (ja) 2012-03-08 2013-09-19 Nissan Motor Co Ltd 永久磁石式電動機のロータ
JP2020120444A (ja) 2019-01-21 2020-08-06 本田技研工業株式会社 回転電機のロータおよび回転電機
WO2021214824A1 (ja) 2020-04-20 2021-10-28 三菱電機株式会社 ロータ、モータ、圧縮機、空気調和装置およびロータの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013188023A (ja) 2012-03-08 2013-09-19 Nissan Motor Co Ltd 永久磁石式電動機のロータ
JP2020120444A (ja) 2019-01-21 2020-08-06 本田技研工業株式会社 回転電機のロータおよび回転電機
WO2021214824A1 (ja) 2020-04-20 2021-10-28 三菱電機株式会社 ロータ、モータ、圧縮機、空気調和装置およびロータの製造方法

Also Published As

Publication number Publication date
JPWO2023089670A1 (https=) 2023-05-25
WO2023089670A1 (ja) 2023-05-25
CN118251824A (zh) 2024-06-25
US20250023406A1 (en) 2025-01-16

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