Hybrid drive system for a motor vehicle, and a motor vehicle, in particular a motor car

US12384237B1 · kind B1 · utility

Assignee

• Mercedes-Benz Group AG · DE

Inventors

• Tobias Schilder · Ludwigsburg, DE
• Klaus Riedl · Bingen, DE
• Jörg Müller · Chemnitz, DE
• Rico Resch · Freital, DE
• Martin Stocker · Guelph, CA

Key dates

• Filing date: Mar 24, 2023
• Grant date: Aug 12, 2025
• Expiry date: Mar 24, 2043

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2200/2097
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hybrid drive system for a motor vehicle includes an internal combustion engine supplying first torques via a drive shaft to drive the motor vehicle and an electric machine having a rotor via which second drive torques can be supplied by the electric machine to drive the motor vehicle. An axle drive has an axle drive input gear wheel via which the axle drive can be driven. The system includes a gearbox having a first partial gearbox and a second partial gearbox. The first partial gearbox has a first planetary gear set having a first element, a second element, and a third element, The first partial gearbox also has a second planetary gear set having a fourth element, a fifth element, and a sixth element.