Automatic transmission control method including shifting aberration regulating phase

US5911648A · kind A · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Ralf Dreibholz · Meckenbeuren, DE
• Gerd Frotscher · Friedrichshafen, DE
• Thomas Schober · Alzenau, DE
• Martin Vohmann · Jeffery Road, DE

Key dates

• Filing date: Apr 18, 1997
• Grant date: Jun 15, 1999
• Expiry date: Apr 18, 2017

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2061/1276
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A method of controlling and regulating an automatic transmission with overlapping gearshifts. The change from the control mode to the regulating mode for the disengaging clutch (11) is made here when a defective engagement of the engaging clutch (12) is detected.