Filter element with active carbon coating

A filter element has a first filter layer that has an active carbon layer, a top cover layer connected to the active carbon layer and a bottom cover layer connected to the active carbon layer opposite the top cover layer, wherein the first filter layer is folded to a first bellows. At least one seco...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gohle, Angelika, Tumbrink, Manfred
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A filter element has a first filter layer that has an active carbon layer, a top cover layer connected to the active carbon layer and a bottom cover layer connected to the active carbon layer opposite the top cover layer, wherein the first filter layer is folded to a first bellows. At least one second filter layer having an active carbon layer, a top cover layer connected to the active carbon layer and a bottom cover layer connected to the active carbon layer opposite the top cover layer is provided. The at least one second filter layer is folded to a second bellows. The first and second bellows are folded identically. The at least one second filter layer is arranged on the first filter layer in a positive-locking way by fold alignment of the first and second bellows to form a composite of filter layers.