The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2002
Filed:
Sep. 22, 2000
Ferdinand Grob, Besigheim, DE;
Juergen Loeffler, Winnenden, DE;
Martin-Peter Bolz, Oberstenfeld, DE;
Holger Huelser, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
To avoid unnecessary energy consumption and to improve king performance, in a transmission unit for a motor vehicle, having a drive train ( ) which is intended for coupling to an internal combustion engine ( ) on the one hand and wheels ( ) of the vehicle on the other, and having an electrical machine ( ) and a transmission ( ), which constructed for torque transmission from the electrical machine ( ) to the drive train ( ) and vice versa, it is provided that the transmission ( ) has an idling switching state, in which no torque transmission from the electrical machine ( ) to the drive train ( ) occurs. For controlling the switching states, a control circuit ( ) is provided, which preferably operates by an automatic method.