SHAFT SYSTEM STRUCTURE, DUAL-SHAFT MOTOR, FAN AND HOUSEHOLD APPLIANCE

WIPO Patent Application WO/2023/272967

A1

A shaft system structure, a dual-shaft motor, a fan, and a household appliance, comprising a first rotating shaft (10a), a second rotating shaft (10b) and a bearing assembly (10c). The second rotating shaft (10b) is hollow and sleeved on the periphery of the first rotating shaft (10a). A front end of the first rotating shaft (10a) extends out from a front end of the second rotating shaft (10b). A rear end of the first rotating shaft (10a) is arranged behind a rear end of the second rotating shaft (10b). The bearing assembly (10c) comprises a first bearing (10c 1), a second bearing (10c 2) and a third bearing (10c 3). The first bearing (10c 1) is sleeved on the periphery of the first rotating shaft (10a), the second bearing (10c 2) is sleeved on the periphery of the second rotating shaft (10b), and the third bearing (10c 3) is arranged at the front end of the second bearing (10c 2) and is arranged between the first rotating shaft (10a) and the second rotating shaft (10b). The shaft system structure provides stable support, is easy to install, has a small axial size and has a low manufacturing cost.

LI PING (CN)
YAN TIANTIAN (CN)
WU GUYU (CN)
JIANG JIKAI (CN)
HU YIMING (CN)

PCT/CN2021/119566

January 05, 2023

September 22, 2021

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MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)

F16C3/02; F16C35/08; H02K1/22; H02K5/16

CN113300557A	2021-08-24
CN110912365A	2020-03-24
JPH01177847A	1989-07-14
CN210129795U	2020-03-06
JPH0670518A	1994-03-11
CN112503007A	2021-03-16
CN112260503A	2021-01-22
CN110556989A	2019-12-10
CN112389189A	2021-02-23

CENFO INTELLECTUAL PROPERTY AGENCY (CN)

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