Patent ID: 11860053
Assignee: VALEO SCHALTER UND SENSOREN GMBH
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A torque sensor device for detecting a torque applied to a steering shaft of a motor vehicle, comprising:
a magnetic arrangement, a stator arrangement and a magnetic sensor arrangement,
wherein the magnetic arrangement is configured for generating at least one magnetic field,
wherein a magnetic flux can be generated in the stator arrangement,
wherein the magnetic arrangement and the stator arrangement are movable relative to each other in a circumferential direction,
wherein the magnetic arrangement and the stator arrangement are configured and arranged relative to each other so that, by a relative movement between the magnetic arrangement and the stator arrangement in the circumferential direction about a centre axis of the torque sensor device, a first magnetic flux with a first magnetic flux direction and a second magnetic flux with a second flux direction opposite to the first flux direction can be generated in the stator arrangement,
wherein the stator arrangement is configured to conduct the first magnetic flux generated in the stator arrangement and the second magnetic flux generated in the stator arrangement to the magnetic sensor device,
wherein the magnetic sensor arrangement comprises a first magnetic sensor for detecting the first magnetic flux and a second magnetic sensor for detecting the second magnetic flux,
wherein the stator arrangement has a first stator, a second stator and a third stator, including only one stator body, which are each arranged concentrically with respect to one another along the centre axis,
wherein the third stator is arranged in an axial direction, with respect to the centre axis of the stator arrangement, between the first stator and the second stator, and
wherein, by a relative movement between the magnetic arrangement and the stator arrangement in the circumferential direction, the first magnetic flux with the first magnetic flux direction is generated between the first stator and the third stator in the stator arrangement and the second magnetic flux with the second flux direction opposite to the first flux direction and with the same magnitude to the first magnetic flux can be generated between the second stator and the third stator in the stator arrangement.