Aktiebolaget Skf

Ab Skf

Bernd Stephan

Rico Dittmar

Baozhu Liang

Arno Stubenrauch

Thilo Beck

Thomas Will

Peter Volpert

Jesko-Henning Tanke

Jens Graf

Linas Maskaliunas

Ingo Schulz

Christian Knoche

John Manuel Dominguez

Alexander Görg

Gerhard Haas

Michael Kummert

Achim Müller

Patrick Mayer

An axle subassembly of a trailer of a vehicle includes a wheel bearing having an outer ring mechanically connected to a shaft and an electric drive/generator operably connected to the shaft, wherein the electric drive/generator in a first state is configured to generate electricity from a rotation of the shaft and wherein the electric drive/generator in a second state is configured to drive the shaft, and a controller configured to shift the electric drive/generator unit into the first state and into the second state.

Axle subassembly including an electric drive/generator unit, and method for controlling an electric drive/generator unit of an axle subassembly

A rolling-element bearing transmission includes a first rolled-on element, at least one second rolled-on element and a third rolled-on element. Each of the rolled-on elements has a raceway configured to support a plurality of rolling elements. A first set of rolling elements is disposed between the first rolled-on element and the at least one second rolled-on element and a second set of rolling elements is disposed between the at least one second and the third rolled-on elements. Each of the rolled-on elements comprises or supports at least one transmission element, and the at least one transmission elements are disposed and configured to form a transmission.

Rolling-element bearing transmission

A rolled-on-surface element of a rolling-element bearing assembly has a rolled-on surface configured to support a plurality of rolling elements, a cavity in the rolled-on surface having an opening smaller than 25% of a total area of the rolled-on surface, and an insert press-fit in the cavity such that an exposed surface of the insert forms a portion of the rolled-on surface. Also, a method of repairing a rolled-on surface of a rolled-on-surface element using an insert.

Rolled-on-surface element of a rolling-element bearing assembly and method for repairing a rolled-on-surface element

A bearing assembly includes an outer element and an inner element and at least two rows of rolling elements supporting the inner element in the outer element for relative rotation. The outer element includes two surface regions for contact with the rolling elements, and the inner element includes two surface regions for contact with the rolling elements, and the rolling elements of at least one of the rows are rollers.

Bearing assembly, use of the bearing assembly, and method for manufacturing the bearing device

A rolling-element bearing transmission includes a rotor configured to rotate a shaft relative to a stator and a rotatable output ring that includes a first rolled-on surface element. The shaft includes at least one second rolled-on surface element, and the stator includes a third rolled-on surface element. First and second pluralities of rolling elements are located between the shaft and the stator and between the shaft and the output ring. Also, a transmission mechanism transmits a rotary motion of the shaft to the output ring with a speed reduction such that the output ring rotates at a lower speed than the shaft.

A rolling bearing having an annular inner ring and an annular outer ring in relative rotation around a central axis and rolling elements housed between raceways provided in the two rings. At least one of the rings includes two concentric annular ring parts made of metallic material, and an annular layer made of electrically insulating material, the layer being accommodated between the two parts.

Rolling bearing having electrical insulating material, and manufacturing process of such rolling bearing

A sealing device is provided for sealing a space between a hub and a spindle pivotally connected by a bearing, the hub being coaxially mounted on the spindle and extending in an axial direction and the bearing having an inner ring. The sealing device includes a radial shaft seal including a shell portion having an outer static sealing surface disposeable against the hub and a hinge portion having a radial sealing lip. A sleeve member includes an inner static sealing surface disposeable against the spindle, a running surface contactable by the sealing lip and a sleeve portion. The sleeve portion extends in the axial direction beyond a side surface of the bearing inner ring and is disposeable about a shoulder diameter of the bearing inner ring.

Sealing device for a hub and a bearing assembly including the sealing device

A bearing assembly includes a first bearing comprising a first inner ring and a second bearing comprising a second inner ring. A sleeve-shaped spacer is disposed between and axially separates the first and second inner rings. An adhesive connects the spacer to the first and second inner rings.

Bearing assembly

A wheel bearing for a driven wheel provided with a roller bearing module includes an outer ring and a hub which can be slide onto the outer ring from at least from one side such that it encompasses a partial area of the outer covering of the outer ring, wherein at least one area of the outer covering of the outer ring and one area of an inner covering of the hub are embodied in the form of a conical covering so that they match each other and can be arranged adjacent to each other.

Wheel bearing

A wheel monitoring apparatus includes a measuring and evaluation unit designed to be fastened to the wheel in the region of at least one wheel nut or bolt of the wheel. The wheel monitoring apparatus includes at least one sensor for detecting a characteristic variable for a state of a wheel bearing and at least one sensor for detecting a tire pressure of a tire of the wheel.

Wheel monitoring device

A mounting unit for a sensor system includes a sensor wheel adapted to be mounted on a shaft, a sensor device adapted to be disposed on a sealing flange which seals the shaft, and a removable calibration aid fixing the sensor device in a precalibrated position on the sensor wheel. A process for mounting a sensor system involves aligning a sensor wheel and a sensor device in an aligned position relative to one another in a precalibration process, bringing together the sensor wheel and the sensor device in the aligned position with a calibration aid to form a mounting unit, positioning the mounting unit in a precise position on a shaft, fastening the sensor device to a sealing flange, and removing the calibration aid from the sensor wheel and the sensor device. The sealing flange can also be added to form a part of the mounting unit.

Growing community of inventors

Schweinfurt, Germany

Bernd Stephan