The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 2024
Filed:
Oct. 07, 2020
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Hoon Ki Hong, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 2/10 (2006.01); F04C 15/00 (2006.01); H02K 1/278 (2022.01);
U.S. Cl.
CPC ...
F04C 15/008 (2013.01); F04C 2/102 (2013.01); H02K 1/278 (2013.01); F04C 2240/20 (2013.01); F04C 2240/40 (2013.01);
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 circumferential surface, the external gear includes a second outer circumferential surface, and the curvature of the first outer circumferential surface can be smaller than the curvature of the second outer circumferential surface.