Electromagnetic compatibility of a drive arrangement for an electrically driven vehicle

US10305347B2 · kind B2 · utility

Assignee

• Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

• Hubert Herrmann · Lehre, DE
• Martin Reuter · Dachau, DE
• Peter Streng · Grafing, DE

Key dates

• Filing date: Dec 21, 2017
• Grant date: May 28, 2019
• Expiry date: Dec 21, 2037

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2300/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A drive arrangement for an electrically driven vehicle includes an electric motor that is configured to accelerate the vehicle, the electric motor has a rotor, which is arranged inside a stator having stator windings and is arranged on a rotor shaft. The drive arrangement also includes a drive shaft coupled to a drive wheel of the vehicle, and a shaft coupling that transmits torque output by the rotor shaft such that said torque is conducted to the drive shaft, wherein the shaft coupling has a torque receiving element that receives the torque output by the electric motor, and a torque output element that is mechanically coupled to the torque receiving element and outputs the torque in a direction of the drive shaft. An electrically insulating grease is arranged between the torque receiving element and the torque output element.