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Motor

A motor and complex technology, applied in the field of electric motors, can solve the problems of reducing motor rotation force, reducing motor efficiency, noise, etc., and achieving the effect of promoting convective cooling and minimizing flow resistance

Pending Publication Date: 2021-08-17
LG MAGNA E POWERTRAIN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the oil flinger of the existing patent is immersed in the oil when the rotor is rotating, and the resistance of the oil reduces the rotational force of the motor, which has the problems of reducing the efficiency of the motor and causing side effects such as noise.

Method used

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Embodiment Construction

[0044] Hereinafter, the embodiment disclosed in the present specification will be described in detail with reference to the drawings, and the same or similar constituent elements are denoted by the same reference numerals, and the repeated description thereof will be omitted. The suffix "module" and "portions" of the constituent elements used in the following description are given or mixed only in consideration of the easy writing of the specification, which itself does not have the meaning or function of distinguishing from each other. Further, when the embodiment disclosed in the present specification is determined that the specific description of the related known techniques may be confusing the spirit of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. Also, the drawings are merely understood by the examples disclosed in the present specification, and it is understood that the technical idea disclosed in the present spec...

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PUM

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Abstract

The present invention relates to a motor comprising: a motor housing; a stator which is provided in the motor housing and has a coil; a rotor installed in the stator to be rotatable about a rotary shaft; and a spray hole which is formed in the circumferential surface of the rotor by passing through the circumferential surface in a radial direction and which sprays a cooling fluid in the motor housing onto the coil according to the rotation of the rotor. Therefore, cooling by oil convection can be accelerated while minimizing resistance due to the oil.

Description

Technical field [0001] The present invention relates to an electric motor capable of promoting convection of oil. Background technique [0002] Recently, electric vehicles (including hybrid vehicles) with electric vehicles (including hybrid vehicles) for vehicles, the motor, and is being listed as future vehicles. [0003] Typically, the motor has a rotor and a stator, and the rotor can be rotatably disposed on the inside of the stator. [0004] The stator has a stator coil wound in the stator core, and is generated in the stator coil to generate heat in the stator coil to be applied to the stator coil, and is developing a technique for cooling heat generated in the motor. [0005] In terms of electric vehicles, the heat generated in the cooling motor plays an important role in the high output, miniaturization, and efficiency improvement of the motor. [0006] In the conventional motor cooling method, the direct cooling method of direct cooling the motor is directly cooled by an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/19H02K9/00H02K5/20
CPCH02K9/19H02K9/02H02K5/203H02K1/22H02K2205/09H02K5/15H02K9/193
Inventor 金锺濉文晶煜赵彰钦金珉延郭泰熹
Owner LG MAGNA E POWERTRAIN CO LTD
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