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Filterwerk Mann + Hummel Gmbh

Klaus Waltenberg

Heinz Mueller

Hermann Maurer

Georg Novotny

Alfred Sadlauer

An intake system for an internal combustion engine to avoid water intake, which includes a main air inlet ( ), an auxiliary air inlet ( ), and an air filter ( ). In the main air inlet ( ) there is a valve to sealingly close the main air inlet ( ) and a moisture sensor ( ), which is connected so as to communicate with an evaluator ( ) which, in turn, is connected to at least one other sensor ( ) disposed outside the intake system and provided to detect other functions. Examples of possible other sensors ( ) include rain sensors and/or temperature sensors. The sensor signals are coupled and or correlated in the evaluator ( ), and in accordance with a logic which resides in the evaluator ( ), a control signal is produced that opens or closes the main air inlet ( ) by means of the valve ( ), which can be moved into the respective open or closed positions by any of a number of diverse types of drives, such as, electrical, pneumatic, or electro-pneumatic drives.

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Murr, Germany

Klaus Waltenberg