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Embedded Permanent Magnet Type Electric Motor Compressor And Refrigeration/Air Conditioning Device
Abstract: This embedded permanent magnet type electric motor (1) is provided with: a rotor (5) provided with a plurality of permanent magnets (19); and a stator (3). The rotor is provided with a rotor iron core (11). The rotor iron core is provided with a plurality of magnet insertion holes (21). A plurality of slits (31) are provided in sections of the rotor iron core which are located outside the magnet insertion holes in the radial direction. At least two of the slits are provided such that an iron core section sandwiched between the two slits has a section which broadens as said section extends radially outwards.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
27 September 2016
Publication Number
47/2016
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2023-01-20
Renewal Date
Applicants
MITSUBISHI ELECTRIC CORPORATION
7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310.
Inventors
1. NIGO Masahiro
c/o Mitsubishi Electric Corporation, 7-3,
Marunouchi 2-chome, Chiyoda-ku, Tokyo
100-8310.
2. TSUCHIDA Kazuchika
c/o Mitsubishi Electric Corporation 7 3 Marunouchi 2 chome Chiyoda ku Tokyo
1008310
Specification
SOFT COPY ATTACHED IN PDF
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | PROOF OF RIGHT [27-09-2016(online)].pdf | 2016-09-27 |
| 2 | Power of Attorney [27-09-2016(online)].pdf | 2016-09-27 |
| 3 | Form 5 [27-09-2016(online)].pdf | 2016-09-27 |
| 4 | Form 3 [27-09-2016(online)].pdf | 2016-09-27 |
| 5 | Form 18 [27-09-2016(online)].pdf_12.pdf | 2016-09-27 |
| 6 | Form 18 [27-09-2016(online)].pdf | 2016-09-27 |
| 7 | Form 1 [27-09-2016(online)].pdf | 2016-09-27 |
| 8 | Drawing [27-09-2016(online)].pdf | 2016-09-27 |
| 9 | Description(Complete) [27-09-2016(online)].pdf | 2016-09-27 |
| 10 | 201647032899.pdf | 2016-09-29 |
| 11 | Correspondence by Agent_Form 1_13-10-2016.pdf | 2016-10-13 |
| 12 | Form 3 [13-03-2017(online)].pdf | 2017-03-13 |
| 13 | 201647032899-OTHERS [16-04-2021(online)].pdf | 2021-04-16 |
| 14 | 201647032899-FORM-26 [16-04-2021(online)].pdf | 2021-04-16 |
| 15 | 201647032899-FORM 3 [16-04-2021(online)].pdf | 2021-04-16 |
| 16 | 201647032899-FER_SER_REPLY [16-04-2021(online)].pdf | 2021-04-16 |
| 17 | 201647032899-DRAWING [16-04-2021(online)].pdf | 2021-04-16 |
| 18 | 201647032899-COMPLETE SPECIFICATION [16-04-2021(online)].pdf | 2021-04-16 |
| 19 | 201647032899-CLAIMS [16-04-2021(online)].pdf | 2021-04-16 |
| 20 | 201647032899-ABSTRACT [16-04-2021(online)].pdf | 2021-04-16 |
| 21 | 201647032899-FER.pdf | 2021-10-17 |
| 22 | 201647032899-PatentCertificate20-01-2023.pdf | 2023-01-20 |
| 23 | 201647032899-IntimationOfGrant20-01-2023.pdf | 2023-01-20 |
Search Strategy
| 1 | SEARCH_18-03-2019.pdf |