Patent · US Active

System for monitoring the tire pressure in vehicles

US8198993B2 · kind B2 · utility

4Cited by

1References

11Claims

0Family size

Assignee

BERU Aktiengesellschaft · DE

Inventors

Ralf Kessler · Heidelberg, DE
Holger Köninger · Walzbachtal, DE
Karsten Sandrock · Bretten, DE

Key dates

Filing date	Sep 2, 2009
Grant date	Jun 12, 2012
Priority date	—
Expiry date	Dec 29, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60C23/0488
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

Described is a procedure for controlling the transmission operation of a tire pressure monitoring device (1) arranged in a pneumatic tire of a vehicle, whereby data telegrams are transmitted in a normal mode of operation (13) in first time intervals, and there is a changeover from the normal mode of operation (13) to a pressure drop mode, if an inspection of the pressure signals indicates a drop in the pressure of a drop speed exceeding a pre-defined threshold value, and data telegrams are transmitted in the pressure drop mode in second time intervals, which are shorter than the first time intervals, and the tire pressure monitoring devices (1) are put into a travel starting mode (10, 11, 12) at the beginning of the travel by activation a roll sensor. Data telegrams are transmitted in the travel starting mode in shorter third time intervals as compared to the normal mode of operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.