Title:
SENSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/235958
Kind Code:
A1
Abstract:
An embodiment may provide a sensing device comprising: a stator comprising a stator tooth; and a rotor comprising a magnet, wherein: the stator tooth comprises a first stator tooth and a second stator tooth disposed in the first stator tooth; the first stator tooth comprises a plurality of first teeth; the second stator tooth comprises a plurality of second teeth; the first teeth overlap the second teeth in the radial direction at the center of the stator; the sensing device further comprises a sensor and a collector disposed between the first stator tooth and the second stator tooth in the radial direction; the first stator tooth comprises a first region corresponding to the collector in the circumferential direction; the second stator tooth comprises a second region corresponding to the collector in the circumferential direction; and each of the central angles of the first and second regions is equal to or less than 180°.
Inventors:
BYUN SUNG WOOK (KR)
Application Number:
PCT/KR2020/006695
Publication Date:
November 26, 2020
Filing Date:
May 22, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G01L3/10; B62D15/02; G01L5/22
Foreign References:
| KR20190028123A | 2019-03-18 | |||
| US20140283623A1 | 2014-09-25 | |||
| KR20090106186A | 2009-10-08 | |||
| KR20130136765A | 2013-12-13 | |||
| US20050172727A1 | 2005-08-11 |
Other References:
See also references of EP 3974796A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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