Clutch system and method for controlling a clutch system

US8443955B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Ralf Schuler · Recklinghausen, DE
• Werner Weber · Munich, DE
• Kaspar Schmoll Genannt Eisenwerth · Sachsenheim, DE
• Alexander Bawidamann · Stuttgart, DE

Key dates

• Filing date: Oct 16, 2007
• Grant date: May 21, 2013
• Expiry date: Dec 21, 2029

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2500/70235
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a device and to a method for controlling a coupling system having a coupling provided with a hydraulic actuation system, which includes an adjustable coupling part for connecting and separating a power transmission path between a coupling input side and a coupling output side, a hydraulic connection that connects the actuation unit to an electrohydraulic actuator that is arranged outside the coupling, and a control unit for controlling the actuator. The hydraulic connection forms a hydraulic system together with hydraulic components of the actuation unit and the actuator. According to the invention, a mechanical stop that delimits the adjustment of the coupling part on the actuation unit is formed. A pressure sensor monitors the pressure in the hydraulic system or a control signal of the actuator. The pressure sensor detects an installation of the coupling part on the stop based on occurring characteristic alterations of the pressure in the hydraulic connection or the control signal and controls the electrohydraulic actuator in accordance therewith and/or produces a diagnosis signal.