Kick-down switching speed optimization for an automatic transmission of a motor vehicle

US7090616B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Markus Henneken · Kreßbronn, DE
• Friedemann Jauch · Meckenbeuren, DE
• Kai-Uwe Herbster · Tettnang, DE
• Franz Schuler · Kreßbronn, DE
• Thomas Mauz · Kreßbronn, DE

Key dates

• Filing date: Feb 19, 2004
• Grant date: Aug 15, 2006
• Expiry date: Jun 11, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S477/901
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

In the method for kick-down switching speed optimization in a motor vehicle with an automatic transmission, the kick-down upshift point is determined as a function of the load conditions and the road inclination in each case.