Patent Number: 6,794,835

Title: Circuit arrangement for electrical machines

Abstract: A circuit arrangement for an electrical machine which is connected with at least one phase terminal of the electrical machine, has at least one passive charge pump connectable directly with phase windings of the electrical machine and having another terminal connected through further electronic means with an input/output, at which a switching on/switching off signal for a current supply is produced.

Inventors: Kuehner; Jochen (Backnang-Heiningen, DE), Beulich; Klaus (Sachsenheim, DE)

Assignee: Robert Bosch GmbH

International Classification: F02N 11/04 (20060101); F02N 11/08 (20060101); H02M 3/07 (20060101); H02M 3/04 (20060101); H02K 023/00 ()

Expiration Date: 09/21/2021