Transmission, shiftable in a track pattern

US6722219B2 · kind B2 · utility

Assignee

• LuK Lamellen und Kupplungsbau Beteiligungs KG · DE

Inventors

• Reinhard Berger · Bühl, DE
• Marc Hauptmann · Turnhout, BE
• Michael Gallion · Hamilton, BM
• Martin Vornehm · Neu-Anspach, DE
• Martin Zimmermann · Sasbach, DE

Key dates

• Filing date: Jan 14, 2002
• Grant date: Apr 20, 2004
• Expiry date: Jan 14, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/1926
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A motor vehicle transmission is shiftable in a track pattern with a selector track and shift tracks. A shifter element moves along the tracks when the transmission is shifted from one gear ratio to another. The shifts are directed by a control device sending command signals to an actuator device which, in turn, applies an actuating force to the transmission. A main position-detecting device detects the position of the shifter element relative to the selector track and shift tracks, and a redundant position-detecting device performs an additional, redundant determination of the shifter-element position.