Method for operating a drive system of a motor vehicle and drive system

US11186160B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Johannes Kaltenbach · Friedrichshafen, DE
• Fabian Kutter · Kreßbronn, DE
• Stefan Beck · Eriskirch, DE
• Matthias Horn · Tettnang, DE
• Uwe Griesmeier · Markdorf, DE
• Michael Roske · Friedrichshafen, DE

Key dates

• Filing date: Mar 13, 2019
• Grant date: Nov 30, 2021
• Expiry date: May 30, 2039

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/62
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A drive system (1) of a motor vehicle includes a first planetary gear set (2), a first electric machine (13) coupled to a ring gear (5) of the first planetary gear set (2) directly or indirectly via a second planetary gear set (3), and a second electric machine (14) coupled to a sun gear (4) of the first planetary gear set (2) directly via a third form-fit shift element (C) or indirectly via the second planetary gear set (3). The sun gear (4) of the first planetary gear set (2) is braked against the housing by engaging a first form-fit shift element (A). The sun gear (4) of the first planetary gear set (2) is coupleable to a carrier (6) of the first planetary gear set (2) via a second form-fit shift element (B) while providing a direct drive at the first planetary gear set (2).