Method for actuating a clutch at low temperatures

US7169081B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Matthias Winkel · Weingarten, DE
• Otto Ebner · Friedrichshafen, DE
• Klaus Schweiger · Friedrichshafen, DE
• Christoph Rüchardt · Bodolz, DE
• Andreas Schwenger · Friedrichshafen, DE
• Marcus Gansohr · Salem, DE
• Thomas Knoblauch · Saarburg, DE

Key dates

• Filing date: Aug 30, 2002
• Grant date: Jan 30, 2007
• Expiry date: Dec 30, 2022

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2500/7044
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A method for clutch actuation at low temperatures for a motor vehicle having a hydraulically actuatable clutch, below a predetermined temperature a situation-dependent pre-opening of the clutch is executed when a braking is probable.