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Rotor and method of manufacturing same

A technology of rotor and rotor core, applied in the manufacture of stator/rotor body, magnetic circuit rotating parts, electric components, etc., can solve problems such as reduction of magnetization efficiency and motor performance

Active Publication Date: 2016-04-06
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the drop in magnetization efficiency causes a decrease in motor performance

Method used

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  • Rotor and method of manufacturing same
  • Rotor and method of manufacturing same
  • Rotor and method of manufacturing same

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Embodiment Construction

[0054] Hereinafter, the present invention will be described in detail through embodiments described with reference to the accompanying drawings so that those of ordinary skill in the art can easily understand and practice the present invention. However, in describing the present invention, when detailed descriptions about known functions or components are considered to unnecessarily obscure the gist of the embodiments of the present invention, the detailed descriptions will be omitted.

[0055] The terms used below are terms that have been selected in consideration of the functions in the embodiments. The meanings of the terms may vary depending on the user's and operator's intention or practical experience. Therefore, terms used in the embodiments to be described below should be interpreted as specific meanings when the meanings are defined below, and as meanings commonly understood by those of ordinary skill in the art when no specific definition is given .

[0056] In addit...

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Abstract

The present invention relates to a rotor and a method of manufacturing a rotor. The rotor includes: a rotor assembly including a magnet and a rotor core; and a molding part including a first molding part that is firstly injection-molded to support the rotor assembly in which the magnet is not yet magnetized and a second molding part that is secondly injection-molded to support the rotor assembly in which the magnet is magnetized.

Description

technical field [0001] The present invention relates to a rotor manufactured by double injection molding to facilitate magnetization and a method of manufacturing the rotor. Background technique [0002] A motor is a device that obtains rotational force from electrical energy, and includes a stator and a rotor. The rotor is configured to electromagnetically interact with the stator and is rotated by a force acting between the magnetic field and the current flowing in the coil. [0003] Permanent magnet motors that generate a magnetic field using permanent magnets may be classified into surface mount permanent magnet motors, interior type permanent magnet motors, and spoke type permanent magnet motors. [0004] Among these, the spoke type permanent magnet motor can generate high torque and high output due to a structurally high magnetic flux density, and can miniaturize the motor with respect to the same output. Spoke-type permanent magnet motors can be applied to drive mot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/27H02K15/03
CPCH02K1/2791
Inventor 尹勤荣金永宽李云龙郑寿权郑在雄黄雄
Owner SAMSUNG ELECTRONICS CO LTD
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