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"Rotor Structure For Interior Permanent Magnet Electromotive Machine"
Abstract: A rotor structure (10) for an interior permanent magnet (IPM) electromotive machine (8) is provided. The rotor structure (10) may include at least one rotor lamination (12), which in turn may include at least one slot arranged to receive at least one permanent magnet (16). The slot divides the rotor lamination (40) into a pole region (18) and a yoke region (20) At least one bridge (44) is arranged to connect the pole region (18) to the yoke region (20) at an outer edge (24) of the lamination (52). The outer edge (24) of the lamination (52) is profiled along a segment (26) of the bridge (44) to define a concave curved profile (28) for the bridge (44). The concave curved profile (28) for the bridge (44) allows to selectively size a thickness of the bridge (44) to affect at least some electromagnetic and/or mechanical characteristic of the machine.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 February 2011
Publication Number
36/2016
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2020-01-03
Renewal Date
Applicants
GENERAL ELECTRIC COMPANY
1 RIVER ROAD, SCHENECTADY, NEW YORK 12345 U.S.A.
Inventors
1. LOKHANDWALLA MURTUZA
GE GLOBAL RESEARCH, PATENT DOCKET ROOM, BUILDING K1-4A59, NISKAYUNA, NEW YORK 12309 U.S.A.
2. KALLURI RAMMOHAN RAO
GE INDIA TECHNOLOGY CENTRE PVT. LTD., 122 EPIP, PHASE II, HOODI VILLAGE, WHITEFIELD ROAD, BANGALORE, 560066 INDIA.
3. HARAN KIRUBA SIVASUBRAMANIAM
GE GLOBAL RESEARCH, PATENT DOCKET ROOM, BUILDING K1-4A59, NISKAYUNA, NEW YORK 12309 U.S.A.
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 414-del-2011-Correspondence-Others-(22-02-2011).pdf | 2011-02-22 |
| 2 | 414-del-2011-Assignment-(22-02-2011).pdf | 2011-02-22 |
| 3 | 414-DEL-2011-Form-3-(15-07-2011).pdf | 2011-07-15 |
| 4 | 414-DEL-2011-Correspondence Others-(15-07-2011).pdf | 2011-07-15 |
| 5 | 414-del-2011-GPA.pdf | 2011-09-30 |
| 6 | 414-del-2011-Form-5.pdf | 2011-09-30 |
| 7 | 414-del-2011-Form-3.pdf | 2011-09-30 |
| 8 | 414-del-2011-Form-2.pdf | 2011-09-30 |
| 9 | 414-del-2011-Form-1.pdf | 2011-09-30 |
| 10 | 414-del-2011-Drawings.pdf | 2011-09-30 |
| 11 | 414-del-2011-Description (Complete).pdf | 2011-09-30 |
| 12 | 414-del-2011-Correspondence-others.pdf | 2011-09-30 |
| 13 | 414-del-2011-Claims.pdf | 2011-09-30 |
| 14 | 414-del-2011-Assignment.pdf | 2011-09-30 |
| 15 | 414-del-2011-Abstract.pdf | 2011-09-30 |
| 16 | 414-del-2011-Other-Documents-(08-02-2012).pdf | 2012-02-08 |
| 17 | 414-del-2011-Correspondence-others-(08-02-2012).pdf | 2012-02-08 |
| 18 | 414-del-2011-Assignments-(08-02-2012).pdf | 2012-02-08 |
| 19 | 414-DEL-2011-FER.pdf | 2018-03-19 |
| 20 | 414-DEL-2011-OTHERS [23-08-2018(online)].pdf | 2018-08-23 |
| 21 | 414-DEL-2011-FER_SER_REPLY [23-08-2018(online)].pdf | 2018-08-23 |
| 22 | 414-DEL-2011-DRAWING [23-08-2018(online)].pdf | 2018-08-23 |
| 23 | 414-DEL-2011-CORRESPONDENCE [23-08-2018(online)].pdf | 2018-08-23 |
| 24 | 414-DEL-2011-COMPLETE SPECIFICATION [23-08-2018(online)].pdf | 2018-08-23 |
| 25 | 414-DEL-2011-CLAIMS [23-08-2018(online)].pdf | 2018-08-23 |
| 26 | 414-DEL-2011-ABSTRACT [23-08-2018(online)].pdf | 2018-08-23 |
| 27 | 414-DEL-2011-Power of Attorney-260918.pdf | 2018-10-04 |
| 28 | 414-DEL-2011-Correspondence-260918.pdf | 2018-10-04 |
| 29 | 414-DEL-2011-RELEVANT DOCUMENTS [20-11-2019(online)].pdf | 2019-11-20 |
| 30 | 414-DEL-2011-FORM 13 [20-11-2019(online)].pdf | 2019-11-20 |
| 31 | 414-DEL-2011-AMENDED DOCUMENTS [20-11-2019(online)].pdf | 2019-11-20 |
| 32 | 414-DEL-2011-PETITION UNDER RULE 137 [02-01-2020(online)].pdf | 2020-01-02 |
| 33 | 414-DEL-2011-FORM 13 [02-01-2020(online)].pdf | 2020-01-02 |
| 34 | 414-DEL-2011-PatentCertificate03-01-2020.pdf | 2020-01-03 |
| 35 | 414-DEL-2011-IntimationOfGrant03-01-2020.pdf | 2020-01-03 |
| 36 | 414-DEL-2011-RELEVANT DOCUMENTS [30-03-2020(online)].pdf | 2020-03-30 |
| 37 | 414-DEL-2011-FORM-26 [11-01-2021(online)].pdf | 2021-01-11 |
| 38 | 414-DEL-2011-RELEVANT DOCUMENTS [22-09-2021(online)].pdf | 2021-09-22 |
| 39 | 414-DEL-2011-RELEVANT DOCUMENTS [07-09-2022(online)].pdf | 2022-09-07 |
| 40 | 414-DEL-2011-RELEVANT DOCUMENTS [31-08-2023(online)].pdf | 2023-08-31 |
Search Strategy
| 1 | searchreport_14-03-2018.pdf |
| 2 | Searchreport414DEL2011_14-03-2018.pdf |