GB2581709B - Motor - Google Patents

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Publication number
GB2581709B
GB2581709B GB2006719.5A GB202006719A GB2581709B GB 2581709 B GB2581709 B GB 2581709B GB 202006719 A GB202006719 A GB 202006719A GB 2581709 B GB2581709 B GB 2581709B
Authority
GB
United Kingdom
Prior art keywords
motor
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
GB2006719.5A
Other versions
GB2581709A (en
GB202006719D0 (en
Inventor
Chemlicek Petr
Goel Ashish
Jakubaszek Marek
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.)
Romax Technology Ltd
Original Assignee
Romax Technology 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 Romax Technology Ltd filed Critical Romax Technology Ltd
Priority to GB2006719.5A priority Critical patent/GB2581709B/en
Priority claimed from GB1815662.0A external-priority patent/GB2567316B/en
Publication of GB202006719D0 publication Critical patent/GB202006719D0/en
Publication of GB2581709A publication Critical patent/GB2581709A/en
Application granted granted Critical
Publication of GB2581709B publication Critical patent/GB2581709B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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]
    • 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
    • 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
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial 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
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2796—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the rotor face a stator
    • 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
    • H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
    • 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
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
GB2006719.5A 2018-09-26 2018-09-26 Motor Active GB2581709B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2006719.5A GB2581709B (en) 2018-09-26 2018-09-26 Motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2006719.5A GB2581709B (en) 2018-09-26 2018-09-26 Motor
GB1815662.0A GB2567316B (en) 2017-10-03 2018-09-26 Motor

Publications (3)

Publication Number Publication Date
GB202006719D0 GB202006719D0 (en) 2020-06-17
GB2581709A GB2581709A (en) 2020-08-26
GB2581709B true GB2581709B (en) 2021-04-28

Family

ID=71080646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2006719.5A Active GB2581709B (en) 2018-09-26 2018-09-26 Motor

Country Status (1)

Country Link
GB (1) GB2581709B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972968A (en) * 1982-10-16 1984-04-25 Fanuc Ltd Rotor for synchronous motor
EP0121573A1 (en) * 1982-10-14 1984-10-17 Fanuc Ltd. Rotor for synchronous motor
CN102761211A (en) * 2011-04-28 2012-10-31 中国江南航天工业集团林泉电机厂 Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor
US20130134820A1 (en) * 2011-11-29 2013-05-30 Delta Electronics (Shanghai) Co., Ltd. Rotor and rotary electric machine containing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121573A1 (en) * 1982-10-14 1984-10-17 Fanuc Ltd. Rotor for synchronous motor
JPS5972968A (en) * 1982-10-16 1984-04-25 Fanuc Ltd Rotor for synchronous motor
CN102761211A (en) * 2011-04-28 2012-10-31 中国江南航天工业集团林泉电机厂 Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor
US20130134820A1 (en) * 2011-11-29 2013-05-30 Delta Electronics (Shanghai) Co., Ltd. Rotor and rotary electric machine containing the same

Also Published As

Publication number Publication date
GB2581709A (en) 2020-08-26
GB202006719D0 (en) 2020-06-17

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