Jheeco E-drive Ag

Thyssen Krupp Ag

Roland Buol

Martin Stöck

Raphael Haas

Mathias Schröder

A rotor and a method of making such a rotor, wherein the rotor has a shaft, a longitudinal axis, and a rotor packet connected to the shaft at least in torsion-resistant manner. The rotor packet is assembled from individual sheet lamellae, wherein the rotor packet has an opening for receiving the shaft. The shaft is a hollow shaft with a wall, wherein the wall of the shaft has, on its side facing toward the opening, recesses extending in the longitudinal direction. An electric motor, in particular a synchronous or hybrid synchronous machine, including a rotor and a stator, has such a rotor. The recesses are produced by cutting methods, in particular milling, or reshaping methods, in particular pressing.

Rotor, electric motor, method for producing a rotor and use of a rotor and electric motor

The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and a plurality of interconnection pieces. The interconnection pieces each have a curved shape, in particular the shape of a C, extending in the radial direction and about the axis of rotation of the stator; in order to form respective interconnection planes along the axis of rotation, each group of interconnection pieces is arranged in the region of at least one short end of the rod conductors of the associated group of rod conductors that are to be electrically connected. The invention further relates to a connection component and an electric machine.

Stator, connection component, and electric machine

The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and at least one insulation disk that is arranged in an end face region of the stator and includes a plurality of interconnection pieces. Rod conductor contact surfaces and interconnection piece contact surfaces have corresponding shapes such that a planar contact can be created; for this purpose, the interconnection piece protrude from the insulation disk in the radial direction at least along the interconnection piece contact surface such that a plurality of interconnection piece contact surfaces can simultaneously come into contact with the associated rod conductor contact surfaces. The invention further related to an electric machine and to a manufacturing process.

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Wangs, Switzerland

Roland Buol