Voith Patent Gmbh

Siemens Aktiengesellschaft

Holger Henning

Thomas Hildinger

Philipp Eilebrecht

Stefan Veser

Horst Kuemmlee

Alexander Kunz

Ludger Kodding

Markus Wolf

Michael Weckert

Stefan Allgeyer

Ludger Koedding

A rotor for an electric machine has winding elements which are arranged in axially running grooves of a rotor body and having a winding head which is arranged axially next to the rotor body. The winding elements exit from the grooves in the axial direction in the region of the winding head and run in the axial direction in the region of the axial ends of the winding elements. Each of the winding elements has four curved portions in the region of the winding head. The rotor includes a plurality of tension bolts and a winding head carrier. The tension bolts connect the winding head to the winding head carrier and penetrate through the winding head radially.

Rotor for an electric machine

The invention relates to an electric generator, comprising

Electric generator

Provided is a rotor for a dynamoelectric machine. The rotor includes winding elements arranged in axially extending grooves of a rotor body, a winding head arranged axially adjacent to the rotor body, and a winding head carrier, connected to the winding head by means of tension bolts, all arranged in such a way that reliable securing of the winding head against radial expansion due to centrifugal forces is ensured, while resulting in a compact and cost-effective configuration as well as sufficient cooling.

Rotor with winding elements and a winding head adjacent to a rotor body for a dynamoelectric machine

A dynamoelectric machine includes a rotor body, an annular winding head which is arranged axially next to the rotor body and coaxially in relation thereto, a support ring which is arranged radially inside the winding head and coaxially in relation thereto, the winding head and the support ring are torsion-proof with the rotor body, the winding head and the support ring are clamped together in the radial direction by tension rods which are guided through radial boreholes in the winding heads and in the support ring, where radially inner ends of the tension rods engage on the support ring and radially outer ends of the tension rods engage on bearing blocks which rest on the winding head, and the radially inner ends of the tension rods and the radially outer ends of the tension rods are mounted by the bearing blocks having a spherical surface.

Fixating a winding head in a dynamoelectric machine

The novel squirrel-cage rotor should enable a power output of the motor of more than 1 MW even at rotation speeds of more than 10,000 rpm. To this end, the conductor bars () of the squirrel cage are soldered into slots () arranged on the periphery of the massive rotor core () across their entire length, and the conductor bars are arranged to be flush with the surface () of the rotor core ().

Growing community of inventors

Giengen, Germany

Holger Henning