Torque sensor for detecting a shaft torque

Details Torque sensor for detecting a shaft torque Torque sensor for detecting a shaft torque

2005-08-16

2005-08-16

Noori, Max (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

Reexamination Certificate

active

06928888

ABSTRACT:
A first shaft and a second shaft are connected coaxially. A torsion bar converts a torque applied between two shafts into a torsion displacement. A multipolar magnet is fixed to the first shaft. One set of magnetic yokes is fixed to the second shaft and disposed in a magnetic field generated by the multipolar magnet. The magnetic yokes are opposed to each other via an air gap in an axial direction. A magnetic sensor is provided for detecting the density of magnetic flux generated in the air gap. A non-magnetic spacer is disposed between the magnetic yokes as a means for positioning the magnetic yokes. The spacer and the magnetic yokes are integrated by resin molding.

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patent: 2002/0189371 (2002-12-01), Nakane et al.
patent: 2613449 (1997-02-01), None
patent: 2003-149062 (2003-05-01), None
patent: WO 02/071019 (2002-09-01), None

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