Title:
STEERING DEVICE TORQUE SENSOR
Document Type and Number:
WIPO Patent Application WO/2017/115922
Kind Code:
A1
Abstract:
A steering device torque sensor, having fewer constituent parts and in which magnetic force loss during a magnetic force induction process is minimized, comprises: a first magnetic substance in which N poles and S poles are alternately disposed into a circle and an open region and a non-open region facing a magnet provided at one end of a torsion bar are alternately disposed along the circumference of a circular connection member, and connected to the other end of the torsion bar; a circular-shaped second magnetic substance disposed so as to face the magnet along an outer surface of the magnet with the first magnetic substance positioned therebetween; a third magnetic substance disposed so as to face the first magnetic substance while not facing the magnet; and a magnetic sensing member disposed between the second magnetic substance and the third magnetic substance.
Inventors:
JUN CHANG-NAM (KR)
KWON SOON-HYO (KR)
KWON SOON-HYO (KR)
Application Number:
PCT/KR2016/002781
Publication Date:
July 06, 2017
Filing Date:
March 18, 2016
Export Citation:
Assignee:
LS AUTOMOTIVE CORP (KR)
International Classes:
B62D6/10; G01L3/10
Foreign References:
| KR20150135595A | 2015-12-03 | |||
| JP2005345284A | 2005-12-15 | |||
| KR20120058814A | 2012-06-08 | |||
| US7644635B2 | 2010-01-12 | |||
| US7287440B1 | 2007-10-30 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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