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Patent Searching and Data


Title:
BRUSHLESS MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/232803
Kind Code:
A1
Abstract:
Discloses is a brushless motor, comprising a shaft, a stator, and a rotor; the rotor is rotatably arranged inside the stator; one side of the rotor is provided with a fan blade; the center of the rotor is provided with a shaft hole, and a shaft is inserted inside the shaft hole; bearings A and B are arranged at the two ends of the shaft, respectively; the outside of the shaft hole is provided with a vent, the vent is disposed on the rotor along the shaft in the axial direction, there are a plurality of vents, and the plurality of vents are symmetrical about the shaft hole; in the brushless motor of the present invention, vents and a through-hole are provided on the rotor, and are capable of achieving ventilation and heat dissipation, effectively improving the heat dissipation performance of the brushless motor, improving its operating performance; the operation of the brushless motor is more stable and its service life is longer; furthermore, the arrangement of the vents and the through-hole on the rotor reduces the weight of the rotor, and can increase the rotational speed of the brushless motor.

Inventors:
ZHOU HAICHUN (CN)
Application Number:
CN2019/094890
Publication Date:
November 26, 2020
Filing Date:
July 05, 2019
Export Citation:
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Assignee:
JIANGSU ANCHOR TOOLS CO LTD (CN)
International Classes:
H02K1/32
Foreign References:
CN103683664A2014-03-26
CN108923583A2018-11-30
JP2013017297A2013-01-24
Attorney, Agent or Firm:
BEIJING SHENGFANZHIRONG INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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