Antilock brake system

US5556174A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Helmut Wiss · Heubach, DE
• Rolf Maier · Sindelfingen, DE

Key dates

• Filing date: May 5, 1995
• Grant date: Sep 17, 1996
• Expiry date: May 5, 2015

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T8/173
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

When a differential speed determined from the wheel speeds has superimposed thereon a frequency typical of drive train vibrations, a vibration signal is generated. When the vibration signal exceeds a threshold, a torsional moment based on the difference between the engine speed and the differential speed is used to modify activation times of the brake pressure control valves so that the drive train vibrations decay.