Electrical device and operating method

US8022677B2 · kind B2 · utility

Assignees

• Robert Bosch GmbH · DE
• Daimlerchrysler AG · US
• BMW AG · DE

Inventors

• Xaver Laufenberg · Freiberg, DE
• Dominique Eynius · Steinheim an der Murr, DE
• Helmut Suelzle · Memmingen, DE
• Stephan Usbeck · Erdmannhausen, DE
• Matthias Spaeth · Milford, US
• Miriam Neuser-Hoffmann · Bietigheim-Bissingen, DE
• Christian Myrzik · Grafing, DE
• Manfred Schmid · Neutraubling, DE
• Franz Nietfeld · Rochester Hills, US
• Alexander Thiel · Santa Clara, US
• Harald Braun · Eßlingen, DE
• Norbert Ebner · Ludwigsburg, DE

Key dates

• Filing date: Dec 7, 2004
• Grant date: Sep 20, 2011
• Expiry date: Jan 2, 2026

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02P9/48
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

An electrical device having a generator, e.g., for use in the vehicle electrical system of a motor vehicle, includes a controller for controlling the generator voltage. In the device, an area is provided in which a voltage control is carried out, and other areas are provided in which a torque control is carried out.