Schaeffler Technologies Ag & Co .kg

Bernd Wittmann

Jens Heim

Ralf Mayer

Stephan Neuschaefer-Rube

Manfred Kraus

Thomas Mehlis

Armin Gerner

Horst Brehm

Jürgen Osterlänger

Thomas Lindenmayr

Frank Benkert

Jürgen Gierl

Mark Lauger

Matthias Sperber

Jorg Bauer

Marco Frank

Klaus Drescher

Andrea Lottes

Christian Lehmann

Norbert Hofmann

Matthias Hintze

Philipp Horning

Eduard Beresch

Philipp Hörning

Andrea Haschke

A steering element sensor assembly for sensing a steering torque and an absolute angular position having a circuit board and first and second sensor elements. The circuit board has a base surface arranged perpendicularly to a steering axis and a wing surface angled to the base. The first sensor element determines the steering torque and has a first primary sensor formed as a magnetically coded portion on the steering element and one secondary sensor for converting the changing magnetic field generated by the primary sensor into an electrical signal. The secondary sensor determines the absolute angular position and a main gear arranged on the steering element that meshes with at least two gears, one which has one more tooth than the other. Each gear has a target that faces a respective angle sensor.

Sensor assembly for sensing a steering torque and an absolute angular position, and sensor device having said sensor assembly

A steering torque sensor assembly includes a magnetically coded steering shaft section, which forms a primary sensor, and a secondary sensor for converting the changes in a magnetic field generated by the primary sensor into an electrical signal. The secondary sensor is situated on a sensor circuit board which runs parallel to the steering shaft section and is positioned opposite the primary sensor.

Steering torque sensor assembly

A method test an arrangement for measuring a torque acting on a steering shaft of a motor vehicle. The measurement is carried out using the inverse magnetostrictive effect. The steering shaft has an axis and at least two magnetization areas extending circumferentially around the axis. The arrangement comprises at least four magnetic field sensors for measuring an axial component of a magnetic field caused by the magnetization as well as by the torque. There are at least two combinations of at least two of the magnetic field sensors each, each of which is sufficient to measure the torque. First and second measurement values of the torque are determined with first and second combinations of the magnetic field sensors. The first measurement value and the second measurement value are compared, as a result of which a malfunction of the arrangement can be recognized.

Arrangement for measuring a torque acting on a steering shaft of a motor vehicle and method for checking the arrangement

The present disclosure relates to a sensor assembly for simultaneously capturing an angular position and a torque of a rotatable shaft. The sensor assembly comprises, for determining the angular position, a main body, two additional bodies, which are arranged coupled for rotation on the main body, and two angle resolvers, which are arranged on a circuit board in the immediate vicinity of the additional bodies. In this arrangement, the angles of the additional bodies are determined by the angle resolvers and passed as an angle signal to an evaluation unit arranged on the circuit board. The sensor assembly further comprises a direct coating, which captures a torque signal from the rotating shaft and passes this signal over a connection line to the evaluation unit. The connection line has a section wound multiple times around the shaft to permit a rotation of the shaft by at least +/−900°.

Sensor assembly for capturing a torque and an angular position of a rotatable shaft

An integration element including a shaft and a housing, wherein the housing includes a passage for the shaft and the shaft includes connecting elements on the shaft ends which are accessible from outside the housing, these elements providing a rotationally-fixed connection to connecting shafts. The housing has at least one connection for fastening to a connection structure and the shaft together with the housing delimits a measuring equipment space for receiving measuring equipment. The housing is formed by at least two housing parts detachably connected to each other, said housing parts being designed to be separated around the full extent of their circumference surrounding the shaft to allow access to the measuring equipment space. The housing has bearing seats for shaft bearings and these shaft bearings support the shaft in a rotatable manner with respect to the housing.

Integration element for seating measuring equipment

A bearing ring, in particular of a rolling bearing or a sliding bearing, including a body made of a magnetostrictive material, having a first raceway () and a second, axially spaced apart, raceway () and a permanent magnetization () which is impressed into the material of the body between the raceways () and which runs around an axis of rotation () of the body. According to the invention, the bearing ring achieves the object of improving the structural integration of a torque sensor into a bearing, which torque sensor generates a torque-dependent magnetic field by utilizing the inverse magnetostrictive effect.

Bearing ring for a bearing, in particular for a rolling or sliding bearing

Split roll stabilizer of a motor vehicle, between the two stabilizer parts () of which an actuator () for a torsion of the stabilizer parts () can be effectively disposed, a sensor () for determining the torsional moment acting in the stabilizer parts () being provided.

Split roll stabilizer

A divided roll stabilizer of a motor vehicle between whose two stabilizer parts () an actuator () can be arranged for a torsion of the stabilizer parts (). At least one of the stabilizer parts () is provided with a torsion transmitting connecting part () for connection to the actuator (), and the connecting part () is magnetically coded.

Divided roll stabilizer

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Pommersfelden, Germany

Bernd Wittmann