Aktiebolaget Skf

Andreas Kern-Trautmann

Edgar Pickel

Mathias Seuberling

Steffen Hain

Iver Schmalbruch

Ralph Werner

Uwe Säger

A labyrinth seal includes a first labyrinth ring and a second labyrinth ring. In an installed state of the labyrinth seal, the first labyrinth ring and the second labyrinth ring engage in each other in an at least partially overlapping manner and are rotatable relative to each other. Furthermore, in the installed state, mutually-opposing surfaces of the first and of the second labyrinth ring have different wear resistances.

Labyrinth seal having labyrinth rings with different wear resistances

A method for controlling operation of a harvesting machine includes using a sensor unit to sense at least one state variable of a rolling-element bearing during operation of the harvesting machine and sending the at least one sensed variable to at least one evaluation unit, analyzing the at least one sensed variable in the at least one evaluation unit and generating at least one analysis result, and starting a process operation based on the at least one analysis result, wherein the process operation includes controlling at least one operating parameter of the harvesting machine and wherein the controlling and the sensing of the sensor unit form a closed loop control circuit.

Method and system for controlling an operating parameter of a harvesting machine

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Estenfeld, Germany

Andreas Kern-Trautmann