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:
Nov. 21, 2000
Filed:
Feb. 27, 1998
Ullrich Masberg, Rosrath, DE;
Thomas Pels, Achern, DE;
Klaus-Peter Zeyen, Koln, DE;
Andreas Grundl, Munchen, DE;
Bernhard Hoffmann, Starnberg, DE;
ISAD Electronic Systems GmbH & Co. KG, Cologne, DE;
Grundl und Hoffman GmbH, Starnberg, DE;
Abstract
The invention concerns a drive system, especially for a motor vehicle, with a drive assembly, especially an internal combustion engine (1), and at least one electric machine (4) for active reduction of rotational nonuniformities, acting on the drive assembly, in particular, its drive shaft (10) or a shaft coupled or which can be coupled to it, wherein at least one sensor (16, 32) of the drive system and/or at least one quantity derived from sensor information serves both to control the drive assembly and also to control the electric machine (4), and/or wherein a control unit (31 and 33, respectively) responsible for the control of the electric machine (4) or of the drive assembly also partly or entirely controls the drive assembly or the electric machine (4), respectfully. The invention is also oriented to a method of operating such a drive system.