Patent · US Expired

Device for monitoring the pressure of a measurement chamber charged with the pressure of a vehicle tire

US5181418A · kind A · utility

8Cited by

4References

32Claims

0Family size

Assignee

WABCO Westinghouse Fahrzeugbremsen GmbH · DE

Inventors

Peter Bartscher · Hannover, DE
Gunther Singbartl · Hannover, DE
Erwin Petersen · Wunstorf, DE
Helmut Ulrich · Springe, DE

Key dates

Filing date	Feb 19, 1991
Grant date	Jan 26, 1993
Priority date	—
Expiry date	Feb 19, 2011

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60C23/0408
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention device monitors the pressure of a measurement chamber subjected to the pressure prevailing in a vehicle tire. A pressure-sensitive device scans the tire pressure with a pressure measurement member in a measurement chamber. In case of a tire-pressure drop, the tire pressure is used to actuate an auxiliary actuator (3, 24, 26). The auxiliary actuator genrates the regulating distance (s) dependent on a tire pressure drop below a pressure value required for an actuation of the actuator (13). The regulating distance (s) is recognizable by a sensor. The invention device is suitable for providing a permanent signal even in case of an absence of pressure in the measurement chamber (21).

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