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Synchronous Motor

Abstract: A synchronous electric motor is equipped with a stator having nine teeth which are divided into three phases each having adjacent three teeth and around which coils (2) are concentrically wound. Among the three teeth constituting each phase the circumferential direction width (w1) of the end (30b) of a central tooth (30) is formed narrower than the circumferential direction widths (w2 w3) of the ends (31b 32b) of the teeth (31 32) on both sides of the central tooth (30) and the tooth thickness (t1) of the end (30b) of the central tooth (30) is formed thinner than the tooth thicknesses (t2 t3) of the ends (31b 32b) of the teeth (31 32) on both sides.

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Patent Information

Application #
Filing Date
17 March 2016
Publication Number
32/2016
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2020-02-12
Renewal Date

Applicants

MITSUBISHI ELECTRIC CORPORATION
7 3 Marunouchi 2 chome Chiyoda ku Tokyo 1008310

Inventors

1. MATSUOKA Atsushi
c/o Mitsubishi Electric Corporation 7 3 Marunouchi 2 chome Chiyoda ku Tokyo 1008310
2. BABA Kazuhiko
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 Power of Attorney [17-03-2016(online)].pdf 2016-03-17
2 Form 5 [17-03-2016(online)].pdf 2016-03-17
3 Form 3 [17-03-2016(online)].pdf 2016-03-17
4 Form 18 [17-03-2016(online)].pdf 2016-03-17
5 Form 1 [17-03-2016(online)].pdf 2016-03-17
6 Drawing [17-03-2016(online)].pdf 2016-03-17
7 Description(Complete) [17-03-2016(online)].pdf 2016-03-17
8 Other Document [26-04-2016(online)].pdf 2016-04-26
9 Marked Copy [26-04-2016(online)].pdf 2016-04-26
10 Form 13 [26-04-2016(online)].pdf 2016-04-26
11 Description(Complete) [26-04-2016(online)].pdf 2016-04-26
12 201647009356.pdf 2016-06-08
13 201647009356-Form 1-070416.pdf 2016-06-21
14 201647009356-Correspondence-070416.pdf 2016-06-21
15 Form 3 [30-08-2016(online)].pdf 2016-08-30
16 201647009356-FORM 3 [22-09-2017(online)].pdf 2017-09-22
17 201647009356-FORM 3 [16-10-2018(online)].pdf 2018-10-16
18 201647009356-FORM 3 [22-10-2018(online)].pdf 2018-10-22
19 201647009356-FORM 3 [26-10-2018(online)].pdf 2018-10-26
20 201647009356-FER.pdf 2019-02-04
21 201647009356-FORM 3 [17-05-2019(online)].pdf 2019-05-17
22 201647009356-Retyped Pages under Rule 14(1) (MANDATORY) [01-08-2019(online)].pdf 2019-08-01
23 201647009356-PETITION UNDER RULE 137 [01-08-2019(online)].pdf 2019-08-01
24 201647009356-OTHERS [01-08-2019(online)].pdf 2019-08-01
25 201647009356-FORM-26 [01-08-2019(online)].pdf 2019-08-01
26 201647009356-FORM 3 [01-08-2019(online)].pdf 2019-08-01
27 201647009356-FER_SER_REPLY [01-08-2019(online)].pdf 2019-08-01
28 201647009356-DRAWING [01-08-2019(online)].pdf 2019-08-01
29 201647009356-COMPLETE SPECIFICATION [01-08-2019(online)].pdf 2019-08-01
30 201647009356-CLAIMS [01-08-2019(online)].pdf 2019-08-01
31 201647009356-ABSTRACT [01-08-2019(online)].pdf 2019-08-01
32 201647009356-2. Marked Copy under Rule 14(2) (MANDATORY) [01-08-2019(online)].pdf 2019-08-01
33 201647009356-HearingNoticeLetter-(DateOfHearing-17-12-2019).pdf 2019-11-13
34 201647009356-FORM 3 [19-11-2019(online)].pdf 2019-11-19
35 201647009356-ExtendedHearingNoticeLetter-(DateOfHearing-31-12-2019).pdf 2019-12-16
36 201647009356-Correspondence to notify the Controller (Mandatory) [30-12-2019(online)].pdf 2019-12-30
37 201647009356-Written submissions and relevant documents (MANDATORY) [14-01-2020(online)].pdf 2020-01-14
38 201647009356-FORM 3 [15-01-2020(online)].pdf 2020-01-15
39 201647009356-PatentCertificate12-02-2020.pdf 2020-02-12
40 201647009356-Marked up Claims_Granted 331765_12-02-2020.pdf 2020-02-12
41 201647009356-IntimationOfGrant12-02-2020.pdf 2020-02-12
42 201647009356-Drawings_Granted 331765_12-02-2020.pdf 2020-02-12
43 201647009356-Description_Granted 331765_12-02-2020.pdf 2020-02-12
44 201647009356-Claims_Granted 331765_12-02-2020.pdf 2020-02-12
45 201647009356-Abstract_Granted 331765_12-02-2020.pdf 2020-02-12
46 201647009356-RELEVANT DOCUMENTS [09-08-2021(online)].pdf 2021-08-09
47 201647009356-RELEVANT DOCUMENTS [15-09-2022(online)].pdf 2022-09-15
48 201647009356-RELEVANT DOCUMENTS [20-09-2023(online)].pdf 2023-09-20

Search Strategy

1 201647009356_30-01-2019.pdf

ERegister / Renewals

3rd: 28 Feb 2020

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4th: 28 Feb 2020

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5th: 28 Feb 2020

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6th: 28 Feb 2020

From 02/09/2018 - To 02/09/2019

7th: 28 Feb 2020

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8th: 28 Feb 2020

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9th: 29 Jul 2021

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11th: 07 Aug 2023

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