Steering system torque sensor

Details Steering system torque sensor Steering system torque sensor

2006-06-29

2008-08-19

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

C073S862080, C073S862325, C073S862333, C073S862335, C180S443000, C180S444000

Reexamination Certificate

active

07412906

ABSTRACT:
A sensor apparatus for a power steering system on a vehicle, where the apparatus includes an input shaft for receiving a steering input and for rotating about a rotational axis. An output shaft is provided for transmitting the steering input from the input shaft to a steered wheel assembly of the vehicle. A torque transmitting member connects between the input shaft and the output shaft for transmitting a torque from the input shaft to the output shaft. A sensor provides an analog output voltage in response to a sensed magnetic field. A magnet is located adjacent and in radially spaced relation to the sensor, and a magnetic field varying member is positioned in a magnetic field of the magnet, where the magnetic field varying member is movable in a longitudinal direction generally parallel to the rotational axis to vary a magnetic flux between the magnet and the sensor in response to relative movement between the input shaft and the output shaft.

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