Patent ID: 6564768
Filing Date: 2003-05-20
Classification: F02M

Abstract:
An air intake system for an internal combustion engine of a motor vehicle, comprising a first air intake, a second air intake, a valve member, a drive unit and a filter element having a filter medium, wherein the filter element is installed in a filter housing such that the filter element separates an untreated air area from a treated air area, the second air intake is arranged at a point that is protected from road spray and splashes of water, the first air intake and the second air intake communicate with a common line which in turn communicates with the internal combustion engine, the valve member can be moved by the drive unit between a first position in which it closes the second air intake and a second position in which it closes the first air intake, the drive unit is connected with a control element by which the drive unit can be actuated, the control element comprises a moisture sensor integrated into the filter element, the moisture sensor is formed by at least two electrically conductive sensor wires spaced a distance from one another, and the moisture sensor has a signal output for controlling the drive unit.