Transmission unit

US8425370B2 · kind B2 · utility

Assignee

• Daimler AG · DE

Inventors

• Mirko Leesch · Gelenau, DE
• Thomas Listner · Eßlingen, DE
• Jörg Müller · Chemnitz, DE
• Rico Resch · Freital, DE
• Klaus Riedl · Bingen, DE

Key dates

• Filing date: May 2, 2011
• Grant date: Apr 23, 2013
• Expiry date: Sep 14, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2200/2046
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

In a transmission, particularly a motor vehicle transmission, having a first, a second, a third, and a fourth planetary gear unit disposed along a main axis of rotation and having six clutch units providing for nine forward gears to be engaged, a drive unit is connected for rotation with a sun gear of the second planetary gear unit and a fourth planetary carrier of the fourth planetary gear transmission and further a power output unit is rotationally fixedly connected to a third planetary carrier of the third planetary gear unit.