Slip-ring configuration in electric motors and generators, slip-ring body and method for retooling slip-ring bodies

US6400057B2 · kind B2 · utility

Assignees

• SGL Carbon AG · DE
• Siemens Aktiengesellschaft · DE

Inventors

• Wolfgang Vesper · Bonn, DE
• Klaus Stadie · Meckenheim, DE
• Ingolf Hahn · Bonn, DE
• Aloysius Meyer · Baiersdorf, DE

Key dates

• Filing date: Feb 14, 2001
• Grant date: Jun 4, 2002
• Expiry date: Feb 14, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01R39/64
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A slip-ring configuration for electric motors and generators is provided, in which brushes made of carbon materials and slip rings of a slip-ring body are electrically conductively connected to each other. The slip rings include metallic rings of standard construction as a slip-ring base and an electrically conductive sliding layer made of a graphite material. The sliding layer has a thickness which amounts to a maximum of 11% of a radius of the slip ring and is electrically conductively fastened to the periphery of the metallic slip-ring base by gluing. A method for retooling slip-ring bodies having metallic slip rings includes machining the metallic slip rings and gluing on a sliding layer.