Mann+hummel Gmbh

Karin Gerlach

Jochen Linhart

Stefan Tudyka

Andreas Franz

Michael Micke

Kathrin Lichtenwalter

Sabine Otterbach

A ceramic filter element of ceramic material has an exterior surface that is provided with structural elements. The structural elements are produced by a non-cutting method. The structural elements are molded in the ceramic material in the form of grids, periodic patterns, irregular patterns, lettering or labels.

Method for producing a ceramic filter element

A method of manufacturing a ceramic diesel particle filter (DPF) and a DPF manufactured by the method, the DPF having a ceramic filter body () including gas channels () with planar and porous filter segments (), which are provided for the exhaust gas stream () to flow through them transversely to the face of the filter segments (). The filter body () is formed by sintering at least one ceramic-impregnated fiber web () in a firing step under heat such that fibers () of the fiber material are burned off and the ceramic material () is sintered together to form the porous filter segment () between its two surfaces (). At least one fiber web () is corrugated to form the gas channels () and rolled up to form the filter body (), and the cross section of at least a portion of the gas channels () changes from an inlet end () to a discharge end ().

Ceramic filter element and method of manufacture

A method of producing a ceramic filter element suitable for use in an exhaust filter for an internal combustion engine, during which a combustible, non-ceramic support web is impregnated with a ceramic slip and formed into a desired geometric shape in either order, and then the impregnated and formed web is fired until the support web is burned out and a rigid ceramic filter body is formed.

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Eningen u.A., Germany

Karin Gerlach