Magnetostrictive torque sensor and electric power steering...

Details Magnetostrictive torque sensor and electric power steering... Magnetostrictive torque sensor and electric power steering...

2007-04-05

2010-10-05

Caputo, Lisa M (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

Reexamination Certificate

active

07806005

ABSTRACT:
This magnetostrictive torque sensor includes: a shaft made of a magnetized material; a magnetostrictive portion provided on the shaft at a position distanced for a predetermined length from an end of the shaft; a detection coil that is arranged so as to face the magnetostrictive portion, and detects a change in a magnetic characteristic of the magnetostrictive portion; and a plating made of an nonmagnetic material, that is provided on the end of the shaft.

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patent: 5193267 (1993-03-01), Satoh et al.
patent: 6439066 (2002-08-01), Norton
patent: 6868936 (2005-03-01), Shimizu et al.
patent: 6959781 (2005-11-01), Shimizu et al.
patent: 7013741 (2006-03-01), Nakamura et al.
patent: 7357216 (2008-04-01), Ishii et al.
patent: 2001/0029791 (2001-10-01), Sezaki
patent: 59-164932 (1984-09-01), None
patent: 2002-316658 (2002-10-01), None

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