Method for allocating tire pressure control devices to wheel positions in a tire pressure control system of a motor vehicle

US6435020B1 · kind B1 · utility

Assignee

• Continental AG · DE

Inventors

• Holger Oldenettel · Garbsen, DE
• Wolfgang Klodmann · Nienburg, DE
• Holger Behrends · Hannover, DE
• Gerhard Ernst · Hannover, DE

Key dates

• Filing date: May 8, 2000
• Grant date: Aug 20, 2002
• Expiry date: May 8, 2020

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60C23/0416
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a method for carrying out the allocation of tire pressure control devices (4a to 4d) to wheel positions in a tire pressure control system of a motor vehicle. Each tire pressure control device (4a to 4d) transmits, at certain time intervals, its individual identifier and a lengthened high frequency signal to the central unit (10) of the tire pressure control system. The high frequency signals have an individual trace which is dependent upon the rotational angle of the wheel and on the time because of the geometry of the wheel box and as a consequence of the rotation of the wheel. In the central unit (10), a time point is fixed from two sequential high frequency signals at which the wheel assumes the same angular position in each case with this wheel being the wheel from which the signals were transmitted. The corresponding wheel has made an integer number of revolutions between the two time points. In the central unit (10), with the aid of the signals of the rpm sensors (12a to 12d), the wheel position is determined in which the wheel has made an integer number of revolutions between the two time points. The corresponding wheel position is allocated to the i…