Title:
DEVICE FOR DETECTING WHEEL SPEED
Document Type and Number:
WIPO Patent Application WO/2018/174380
Kind Code:
A1
Abstract:
According to one aspect of the present invention, a device for detecting wheel speed can be provided on a wheel bearing having: an outer race; and an inner race coupled to a rotary shaft and rotating relative to the outer race around the rotary shaft. The device for detecting the wheel speed comprises: a first target coupled to the rotary shaft concentrically with the rotary shaft; a second target disposed along the outer peripheral portion of the inner race; a cap coupled to the outer race so as to cover the first target and the second target; a first sensor disposed at the cap, and sensing a change in a magnetic field of the first target according to the rotation of the rotary shaft; and a second sensor disposed at the cap, and sensing a change in a magnetic pole of the second target according to the rotation of the inner race.
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Inventors:
LIM JONG KEUN (KR)
LEE SANG JUN (KR)
KIM YOUNG TAE (KR)
LIM JAE WAN (KR)
HUR JOUNG WOO (KR)
LEE SANG JUN (KR)
KIM YOUNG TAE (KR)
LIM JAE WAN (KR)
HUR JOUNG WOO (KR)
Application Number:
PCT/KR2017/015075
Publication Date:
September 27, 2018
Filing Date:
December 20, 2017
Export Citation:
Assignee:
ILJIN GLOBAL CO LTD (KR)
International Classes:
G01P3/44; G01D5/14
Foreign References:
| JP2008122268A | 2008-05-29 | |||
| JP2006162404A | 2006-06-22 | |||
| KR100968799B1 | 2010-07-08 | |||
| KR101134905B1 | 2012-04-17 | |||
| KR100842392B1 | 2008-07-01 |
Attorney, Agent or Firm:
YANG, Young June (KR)
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