Title:
MOTOR FOR DUAL FANS WITH ONE SHAFT
Document Type and Number:
WIPO Patent Application WO/2020/027411
Kind Code:
A1
Abstract:
The motor for dual fans according to the present invention comprises a body (10) which includes an upper housing (11) and a lower housing (12) and has a stator installed therein; a shaft (13) which is coupled to a rotor located to be opposite to the stator to rotate together and is extended to an upper portion and a lower portion of the body (10); a first fan (21) which is coupled to an upper portion of the shaft (13); and a second fan (31) which is coupled to a lower portion of the shaft (13), characterized in that a first unidirectional bearing (23) is coupled to the first fan (21), and thereby an inner race of the first unidirectional bearing (23) is rotatably coupled to an upper portion of the shaft (31), a second unidirectional bearing (33) is coupled to the second fan (31), and thereby an inner race of the second unidirectional bearing (33) is rotatably coupled to a lower portion of the shaft (13), and the first unidirectional bearing (23) is press-fit into a holding part (22B) of a first unidirectional bearing holder (22) coupled to a central portion of the first fan (21), and an outer surface of the holding part (22B) is rotatably coupled to a first centering bearing (141), wherein the first centering bearing (141) is coupled to a first centering bracket (14) coupled to the upper housing (11).
Inventors:
JANG JEONG CHEOL (KR)
LEE JI MIN (KR)
LEE JI MIN (KR)
Application Number:
PCT/KR2019/005903
Publication Date:
February 06, 2020
Filing Date:
May 17, 2019
Export Citation:
Assignee:
NEW MOTECH CO LTD (KR)
International Classes:
H02K7/14; B60H1/00; H02K5/16; H02K7/08
Foreign References:
| JP2016059276A | 2016-04-21 | |||
| JP2000016069A | 2000-01-18 | |||
| KR20050023166A | 2005-03-09 | |||
| JP2009513192A | 2009-04-02 | |||
| KR20060128700A | 2006-12-14 |
Attorney, Agent or Firm:
LEE, Sung Rok (KR)
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