Title:
PUMP
Document Type and Number:
WIPO Patent Application WO/2021/101062
Kind Code:
A1
Abstract:
A pump comprises: a housing: a stator disposed inside the housing; a pump gear which is disposed to correspond to the stator and which includes an external gear and an internal gear; and a magnet disposed on the external gear, wherein the magnet includes a first outer peripheral surface, the external gear includes a second outer peripheral surface, and the curvature of the first outer peripheral surface can be smaller than the curvature of the second outer peripheral surface.
Inventors:
HONG HOON KI (KR)
Application Number:
PCT/KR2020/013671
Publication Date:
May 27, 2021
Filing Date:
October 07, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
F04C2/10; F04C15/00; H02K1/27; H02K7/116
Foreign References:
| US20120164009A1 | 2012-06-28 | |||
| KR20100005468A | 2010-01-15 | |||
| KR20190000963A | 2019-01-04 | |||
| JP2003129966A | 2003-05-08 | |||
| KR100910434B1 | 2009-08-04 |
Other References:
See also references of EP 4063655A4
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (KR)
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