Title:
DEVICE FOR DETECTING POSITION OF ROTOR, AND MOTOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2017/119616
Kind Code:
A1
Abstract:
The present invention provides a device for detecting the position of a rotor, comprising: a sensor comprising a first chip and a second chip which are aligned on a first line to sense a change in the magnetic flux of a sensing magnet, wherein the sensor is arranged in the radial direction of the sensing magnet such that the first line is inclined with respect to a second line which passes through any one of the first chip and the second chip. Accordingly, the present invention provides an advantageous effect of being capable of detecting the rotational direction of a motor and a detailed rotation angle by utilizing one sensor.
Inventors:
LEE MYOUNG SEOK (KR)
Application Number:
PCT/KR2016/014213
Publication Date:
July 13, 2017
Filing Date:
December 06, 2016
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02K11/00; H02P6/16
Foreign References:
| JP2007252096A | 2007-09-27 | |||
| JP2010200543A | 2010-09-09 | |||
| JP2001086724A | 2001-03-30 | |||
| JP2011182569A | 2011-09-15 | |||
| KR20140078795A | 2014-06-26 |
Other References:
See also references of EP 3402056A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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