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Patent Searching and Data


Title:
MOTOR ASSEMBLY AND CLEANING DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/050214
Kind Code:
A1
Abstract:
Provided are a motor assembly in which a coupling structure between a rotor shaft and an impeller is improved, and a cleaning device having the motor assembly. The motor assembly comprises: a stator; a rotor which includes a rotor shaft composed of a metal material and is configured to be rotatable while electromagnetically interacting with the stator; a hub which is composed of a plastic material and provided with a hollow section through which the rotor shaft can pass; and a shaft coupling member which is positioned between the hollow section and the rotor shaft, and composed of a plastic material different from that of the hub.

Inventors:
PARK, Tae Sang (37 Yeongtong-ro 173beon-gil, Yeongtong-guSuwon-si, Gyeonggi-do, 16689, KR)
Application Number:
KR2018/010059
Publication Date:
March 14, 2019
Filing Date:
August 30, 2018
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO., LTD. (129 Samsung-ro, Yeongtong-guSuwon-si, Gyeonggi-do, 16677, KR)
International Classes:
A47L9/22; A47L5/24
Foreign References:
JP2014034935A2014-02-24
KR101684166B12016-12-07
KR20090006821A2009-01-15
US20160290359A12016-10-06
US20170245708A12017-08-31
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (10F and 11F, Taewoo Bldg.285, Gangnam-daero,Seocho-gu, Seoul, 06729, KR)
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