Gearbox control method

US10408310B2 · kind B2 · utility

Assignee

• Deere & Company · US

Inventors

• Rainer Gugel · Mannheim, DE
• Norbert Fritz · Ilvesheim, DE
• Andrew K. Rekow · Cedar Falls, US
• Dennis L. Jeffries · Waterloo, US
• David Mueller · Blankenloch, DE

Key dates

• Filing date: Sep 24, 2015
• Grant date: Sep 10, 2019
• Expiry date: Sep 24, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/64
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A power-split gearbox device in an agricultural work vehicle. The gearbox device includes a compounded gearbox, an electrical variator for the continuous varying of a ratio of the compounded gearbox, and a gearbox with an adjustable ratio to connect a drive motor with a propulsion of the work vehicle.