Title:
DIRECT DRIVE DEVICE OF WALKING BELT USING OUTER ROTOR-TYPE PMAC MOTOR FOR TREADMILL
Document Type and Number:
WIPO Patent Application WO/2021/210822
Kind Code:
A1
Abstract:
A direct drive device of a walking belt using an outer rotor-type PMAC motor for a treadmill according to one embodiment of the present invention comprises: a hollow outer housing formed in a cylindrical shape, around which the walking belt is wound, so as to rotate the walking belt with respect to a body frame; an inner shaft extending in the longitudinal direction by the length of the outer housing at the inner center of the outer housing; a motor module which has a PMAC motor and is internally coupled to one side of the outer housing so as to rotate the outer housing about the inner shaft; and a forced circulation fan module which is disposed opposite to the other side of the outer housing with the inner shaft as an axis and is interlocked with the motor module by the inner shaft so as to forcibly dissipate heat generated during operation of the motor module.
Inventors:
KIM YOONCHUL (KR)
Application Number:
PCT/KR2021/004133
Publication Date:
October 21, 2021
Filing Date:
April 02, 2021
Export Citation:
Assignee:
KIM YOONCHUL (KR)
International Classes:
A63B22/02; H02K1/16; H02K7/10; H02K9/06; H02P27/06
Foreign References:
| CN207838130U | 2018-09-11 | |||
| KR20180089256A | 2018-08-08 | |||
| KR20090038788A | 2009-04-21 | |||
| KR20060083243A | 2006-07-20 | |||
| US20060232147A1 | 2006-10-19 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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