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Patent
   D642126
Priority
May 31 2010
Filed
Nov 30 2010
Issued
Jul 26 2011
Expiry
Jul 26 2025
Inventors
Wang, Yong
Assg.orig
JOHNSON EL…
Assg.curr
JOHNSON EL…
Entity
unknown
Referenced by
8
References
17
Maint.:
n/a
The ornamental design for a rotor core for an electric motor, as shown and described.

FIG. 1 is a front elevation view of a rotor core for an electric motor showing our new design, the rear being a mirror image;

FIG. 2 is a right side elevation view thereof, the left side being a mirror image;

FIG. 3 is a top plan view thereof, the bottom plan being a mirror image; and,

FIG. 4 is a front perspective view thereof, the rear perspective being a mirror image.
INVENTORS:

Wang, Yong, Li, Yue, Zhao, Jian, Zhang, Ya Ming, Xue, Yan Hong, Jiang, Mao Xiong

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D732943, Jan 30 2014 Line fastening device
D790467, Oct 12 2015 PHYSIK INSTRUMENTE PI GMBH & CO KG Electric motor
D824853, Jul 26 2017 JOHNSON ELECTRIC INTERNATIONAL AG Rotor core
D958032, Mar 06 2020 HAARSLEV INDUSTRIES A/S Rotor
ER1899,
ER4879,
ER5509,
ER6341,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
5488984, Jun 03 1994 A O SMITH CORPORATION Electric motor rotor lamination treatment to prevent rotor soldering
6133662, Sep 13 1996 Hitachi, Ltd.; Hitachi Car Engineering Co., Ltd. Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same
6429565, Mar 03 2000 Hitachi, Ltd. Permanent magnet type electric rotating machine and hybrid electric vehicle using it
6664688, Aug 10 2001 Yamaha Hatsudoki Kabushiki Kaisha Rotor for a motor
6674205, May 07 2002 GM Global Technology Operations LLC Auxiliary magnetizing winding for interior permanent magnet rotor magnetization
6703746, Mar 01 2002 GM Global Technology Operations LLC Interior permanent magnet rotor
6815858, May 15 2002 HITACHI ASTEMO, LTD Permanent magnet rotating electric machine
6979924, Feb 23 1996 Matsushita Electric Industrial Co., Ltd. Compressor using a motor
7151335, Mar 10 2004 HITACHI ASTEMO, LTD Permanent magnet rotating electric machine and electric car using the same
7230359, Mar 22 2002 ebm-papst St. Georgen GmbH & Co. KG Electric motor with poles shaped to minimize cogging torque
7474029, Jun 14 2004 GM Global Technology Operations LLC Rotor magnet placement in interior permanent magnet machines
7521832, Mar 10 2004 Hitachi, Ltd. Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine
20100079026,
D406229, Dec 02 1996 Midway Displays, Inc. Rotor for wire display rack
D441715, Jul 29 1999 Panasonic Corporation Rotor of electric motor
D443585, Jan 25 1999 TOSHIBA CARRIER CORPORATION Core for a stator
D552543, Aug 09 2006 Mobiletron Electronics Co., Ltd. Rotor for motor
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 05 2010LI, YUEJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 05 2010ZHAO, JIANJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 05 2010WANG, YONGJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 05 2010ZHANG, YA MINGJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 05 2010XUE, YAN HONGJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 05 2010JIANG, MAO XIONGJOHNSON ELECTRIC S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0254020836 pdf
Nov 30 2010Johnson Electric S.A.(assignment on the face of the patent)
Sep 25 2018JOHNSON ELECTRIC S A JOHNSON ELECTRIC INTERNATIONAL AGMERGER SEE DOCUMENT FOR DETAILS 0496820584 pdf
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