FILTER MEDIUM, PARTICULARLY AN AIR FILTER MEDIUM AND FILTER ELEMENT, PARTICULARLY AN AIR FILTER ELEMENT, HAVING A FILTER MEDIUM

A filter medium is provided with a first filter layer and a second filter layer that is arranged downstream of the first filter layer in a flow-through direction of the filter medium and has nanofibers. The first filter layer has a first filter layer section and a second filter layer section, wherei...

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Bibliographic Details
Main Authors Kilian, Alexander, Keller, Mario, Pfannkuch, Steffen, Poljak, Ivanka, Mbadinga Mouanda, Dr. Gelase, Walz, Stefan, Heim, Dr. Michael, Neumann, Dr. Jens
Format Patent
LanguageEnglish
French
German
Published 05.06.2019
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A filter medium is provided with a first filter layer and a second filter layer that is arranged downstream of the first filter layer in a flow-through direction of the filter medium and has nanofibers. The first filter layer has a first filter layer section and a second filter layer section, wherein the second filter layer section is arranged downstream of the first filter layer section in the flow-through direction of the filter medium. The first filter layer section has a first packing density of fibers and the second filter layer section has a second packing density of fibers deviating from the first packing density of fibers.
Bibliography:Application Number: EP20170171817