Schaeffler Technologies Ag & Co .kg

Stefan Glück

Jens Heim

Michael Pausch

Joachim Hering

Alfred Pecher

Edgar Streit

Markus Neubauer

Christian Nuissl

Frank Benkert

Wolfgang Braun

Sven Gempper

Jürgen Gierl

Stefan Scharting

Andreas Schiffler

Matthias Sperber

Alexander Seybold

Timo Schmidt

Christoph Wegner

Martin Voll

Gabor Kovacs

Bert Rosenheinrich

A measuring system monitors a spindle. The measuring system includes a cylindrical housing which can be arranged in and mechanically firmly connected to a spindle housing. A carrier ring is arranged inside the cylindrical housing. Three sensors for measuring a radial displacement and three sensors for measuring an axial displacement of the spindle are distributed over a circumference of the carrier ring. The sensors are cast with the carrier ring.

Measuring system for monitoring a spindle

A bearing arrangement including a rolling or sliding bearing that has an inner ring and an outer ring and at least one add-on part provided on the inner ring or on the outer ring, this add-on part being formed of a meltable or curable material and being attached with a positive fit to the inner ring or the outer ring by a generative manufacturing process.

Bearing arrangement and corresponding production process

The invention relates to a passive repeater for forwarding radio signals from a first device having a radio interface to a second device having a radio interface, wherein the passive repeater is configured to forward radio signals between an interior of a housing, which has a housing wall acting as a radio barrier, and an exterior, through the housing wall, wherein the passive repeater has a first antenna and a second antenna for this purpose, which are connected to each other by a passive and galvanic coupling, and wherein the first antenna can be arranged in the interior and the second antenna can be arranged in the exterior, and the passive coupling can be carried out through an opening in the housing wall, and wherein the first antenna can be inserted into the interior from the exterior through the opening and/or the second antenna can be withdrawn from the interior to the exterior through the opening. The invention further relates to a radio system having such a passive repeater, to a vehicle having such a repeater or such a radio system, to a bearing having such a repeater or such a radio system, and to a use of such a repeater or such a radio system.

Passive repeater for forwarding radio signals from interior to exterior of a housing including insertable antenna

A bottom bracket unit including a bottom bracket axle (), at least one bearing () that receives the bottom bracket axle () in a rotatable manner, and an optical detection unit (), by which a rotational speed of the bottom bracket axle () can be detected. The optical detection unit () measures at least one signaling device () that is rotationally fixed to the bottom bracket axle (). The aim of the invention is to provide a bottom bracket unit that can also detect the rotational direction of the bottom bracket axle in addition to the rotational speed of the axle. This is achieved in that the optical detection unit () has two optical sensors (), with one of these sensors () providing a signal that is phase-shifted with respect to the other sensor () having a fixed phase difference, in particular with a phase difference of 90&#xb0;.

Bottom bracket unit for a bicycle

A linear guide with a guide carriage longitudinally movably arranged on a guide rail, which is preferably U-shaped and a braking device effectively arranged between the guide rail and the guide carriage. An actuator for actuating the braking device is provided and the actuator has an electro-active polymer effectively arranged in the longitudinal axis of the linear guide which engages around the guide rail for actuating the braking device.

Linear guiding device with braking apparatus

A method for detection and quantitative evaluation of a balance error occurring in a component-bearing system. Static and dynamic forces acting upon the bearing are determined by sensors of a measuring bridge, which are disposed on a rolling bearing and which change the inherent electrical resistance according to the applied pressure, and are made available for analysis in a computer in the form of a periodic test signal that is common to both forces. In order to analyze the test signal, the weighted average of the modulation frequency generated by a balance error and the weighted mean variance thereof are determined from the test signal. The variance is then compared with a given variance threshold value. A variance lying below the variance threshold value is considered to be an indication of a significant balance error in the bearing.

Method for the detection and quantitative evaluation of a balance error in a shaft-bearing system

A meter bearing with a recess located at the periphery of at least one of the bearing rings. Expansion-measuring strips are disposed in the recess and conducting paths and electronic modules are arranged on a supporting material and evaluate and transmit the output signals of the expansion-measuring strips. The expansion-measuring strips are connected to the electrical conducting paths which extend to the electronic modules. In order to reduce the space required for such a measuring and evaluation system in a meter bearing, the expansion-measuring strips are placed below and/or above the radial plane of the supporting material and of the conductor paths and electronic modules located thereupon.

Meter bearing comprising an integrated data detection and processing system

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Schweinfurt, Germany

Stefan Glück