Transmission, in particular for agricultural vehicles and machines

US5820508A · kind A · utility

Assignee

• Class KGaA · DE

Inventors

• Ralf König · Weingarten, DE
• Heinz Konig · Bad Liebenzell, DE

Key dates

• Filing date: Jun 12, 1996
• Grant date: Oct 13, 1998
• Expiry date: Jun 12, 2016

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2037/088
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A transmission comprises an input shaft and a variator having an infinitely variable transmission ratio. The variator has a variator input being driven by the input shaft and has a variator output. A planetary gear train is configured as a summing gear train with a first input, a second input and an output. The first input is adapted to be drivingly connected to the input shaft and the second input is driven by the variator output. An output shaft is driven by the planetary gear train output. A first clutch is provided for drivingly connecting the first planetary gear train input to the input shaft, whereas a second clutch is provided for drivingly connecting the variator output to the output shaft.