Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/008762
Kind Code:
A1
Abstract:
A power transmission device is disclosed. The power transmission device may comprise: a driving motor including a motor housing, which includes a front surface, a rear cover, which is coupled to the rear surface of the motor housing, a stator, which is fixed to the inside of the motor housing and generates a magnetic field, a rotor, which is arranged on the inside of the stator in the longitudinal direction while having a gap set with respect to the stator and rotates by means of the magnetic field generated by the stator, a motor shaft, which is coupled to the rotor to rotate together with the rotor and extends in the lengthwise direction to penetrate the front surface and the rear cover, and a driving gear, which penetrates the front surface to protrude from the outside of the motor housing and is provided at one end of the motor shaft; a drum which includes a drum disk portion on one surface in the wheel axial direction and a cylindrical portion extending in the wheel axial direction at the outer diameter end of the drum disk portion, and which encompasses the driving motor; a drum cover which is coupled to the other surface of the drum in the wheel axial direction and which has, on the outer diameter portion thereof, a driven gear engaged with the driving gear; and a wheel hub which has a tire mounted thereon and which is coupled to the drum to rotate together with the drum.
Inventors:
PARK DONG-HOON (KR)
MIN JUNE KI (KR)
MIN JUNE KI (KR)
Application Number:
PCT/KR2022/009679
Publication Date:
February 02, 2023
Filing Date:
July 05, 2022
Export Citation:
Assignee:
C STONE TECH CO LTD (KR)
PARK DONG HOON (KR)
PARK DONG HOON (KR)
International Classes:
B60K7/00; B60B27/00; B60K11/02; H02K1/20; H02K5/04; H02K7/00; H02K7/116; H02K9/19; H02K24/00
Domestic Patent References:
| WO2016179761A1 | 2016-11-17 |
Foreign References:
| CN106357053B | 2019-05-07 | |||
| CN110855073A | 2020-02-28 | |||
| JP2018034713A | 2018-03-08 | |||
| KR20050115417A | 2005-12-07 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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