Patent · US Expired

Method of determining the traction of motor vehicle wheels

US5705746A · kind A · utility

55Cited by

8References

5Claims

0Family size

Assignee

Daimler-Benz AG · DE

Inventors

Diane Trost · Velbert, DE
Jurgen Trost · Canfield, US
Markus Raab · Stilzendorf, DE

Key dates

Filing date	Feb 24, 1997
Grant date	Jan 6, 1998
Priority date	—
Expiry date	Feb 24, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60T2210/13
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In a method of determining the traction of motor vehicle wheels on wet pavements, a surge force generated by a water film on the pavement in front of at least one of the vehicle wheels is measured and from the measured surge force value and the instantaneous vehicle speed a critical speed at which the vehicle wheel will aqua-plane is determined and this critical speed is displayed to the driver or it is used to control a vehicle drive unit to keep the vehicle speed below the critical speed.

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