Mann+hummel Gmbh

Frank Pflueger

Christian Thalmann

Fabian Wagner

Robert Hasenfratz

André Roesgen

Daniel Schmid

Dieter Schreckenberger

Pascal Neef

Mario Rieger

Werner Blossey

Andreas Weber

Stefan Walz

Andreas Wildermuth

Matthias Krohlow

Guenter Jokschas

Idriss Razgani

Joerg Menssen

Nadine Sorger

Christine Oprisch

Christof Mangold

Michal Tuma

Petra Skorpíková

Leos Burda

Vit Wognar

Timo Dirnberger

Nadine Donauer

Arthur Sudermann

Thomas Sieber

Martin Veit

Joachim-Paul Krieger

Norbert Strassenberger

Johannes Lampert

Michael Kolmeder

Gunther Kraft

Christian Kocksch

Jobst Eisengraeber-Pabst

Christoph Wittmers

Marco Goedecke

Heiko Wyhler

Alfons Alois Schwinghammer

Holger Beyerlin

Markus Nefzer

Arndt-Udo Rolle

Marcel Hofmeister

Christopher Banks

Yashwant Udachan

Daniela Knodel

Eugen Dietz

Martin Postel

Kathrin Tschepe

Fritz Kupfer

Jochen Fuellemann

A filter device is provided with a filter element for filtering a fluid. The filter element has a filter medium body with an end plate arranged at an end face of the filter medium body in relation to a longitudinal axis of the filter medium body. A filter base housing receives the filter element. An assembly component for assembly and disassembly of the filter element in the filter base housing is connectable to the end plate and to the filter base housing by rotation about the longitudinal axis. The assembly component has interlocking elements. An interlocking counter element is arranged at the end plate. The interlocking elements can be brought into axial interlocking connection with the interlocking counter element, while enabling a free rotatability in rotational direction about the longitudinal axis. The interlocking counter element is a circumferential interlocking collar with insertion ramps for insertion of the interlocking elements.

Filter device having a filter element

A removal system is provided with a separating element for separating contaminants contained in a fluid and with a removal aid for removing the separating element from a housing. The separating element has an end disk arranged at an end face of the separating element. The end disk has a central recess. The removal aid has a grip section and at least two locking fingers. The locking fingers extend along a center axis of the removal aid away from the grip section. Each locking finger has a hook element that serves for engaging behind the end disk of the separating element radially outside of an end disk area that delimits in radial outward direction immediately the central recess. A removal aid for such a removal system is provided.

Removal system including removal aid and separating element

A filter device for treating fluids, in particular for filtering fluids such as fuel, oil, or water, has a housing () with a housing pot (), a housing cover (), at least one inlet () for the fluid to be treated, and at least one outlet () for the treated fluid. A connecting head () has at least one feed () for the fluid to be treated and connectable to the at least one inlet (), and/or at least one discharge (). The connecting head () and the treatment element () can be connected to each other by means of a releasable bayonet-type connecting device () through the execution of a rotational/plug-in movement about a connecting axis () of the treatment device ().

Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device

In a method for producing a water separator, a support structure surrounding annularly a longitudinal axis and a hydrophobic screen fabric are provided. By ultrasound or by laser radiation, a material of the support structure is plastified in regions that are radially outward at the support structure in relation to the longitudinal axis to generate plastified regions. The hydrophobic screen fabric is arranged at an outer circumferential side at the support structure and the hydrophobic screen fabric is pressed into the plastified regions. A water separator is provided that has a support structure surrounding annularly a longitudinal axis and a hydrophobic screen fabric of a material that is transparent for a laser radiation. The hydrophobic screen fabric is arranged at an outer circumferential side at the support structure and has sections embedded in radially outwardly positioned regions of the support structure.

Method for producing a water separator, and water separator

Removal system and removal aid for a separating element

A filter device includes in a filter housing a hollow cylindrical filter element having frontal end plates, a flow opening being made in one of the end plates. In order to interlockingly secure a pipe connection piece that communicates with the flow opening, a cover has a radial collar which forms an axial stop for the pipe connection piece.

Filter device, in particular liquid filter

A water separation element is provided with a cylindrical woven fabric screen for separating water. The woven fabric screen is made of woven fabric yarns positioned angularly relative to each other. A first annular support piece is arranged at a first end face of the woven fabric screen and is fixedly connected to a rim area of the woven fabric screen. The first annular support piece has a lateral edge facing the woven fabric screen. The woven fabric screen is flowed through in radial direction. The woven fabric yarns of the woven fabric screen are positioned, at least over sections, at an angle greater than 0&#xb0; and smaller than 90&#xb0; relative to the facing lateral edge of the first annular support piece. A second annular support piece is connected to the second end face. A filter element and a filter device with such a water separation element are provided.

Water separation element comprising a support piece

A filter element is provided with a filter medium and a first end disk connected to the filter medium. A first bayonet protrusion is disposed on the first end disk and designed to engage behind a first bayonet receptacle of a filter housing of a filter. The first bayonet protrusion has a free end. The first bayonet protrusion projects at least over sections thereof in a radial direction relative to a filter element longitudinal axis of the filter element past the filter medium. The free end projects in the radial direction toward the filter element longitudinal axis. A filter with a filter housing provided with a first bayonet receptacle is provided and the filter element is arranged in the filter housing such that the first bayonet protrusion on the first end disk engages behind the first bayonet receptacle of the filter housing.

Filter element having projecting bayonet-type protrusion

A filter system () has at least one filter element (), a filter housing () having at least one first housing part and one second housing part, in particular a lid (), as well as a coupling device (). The coupling device () thereby has at least one first coupling part () and at least one second coupling part () that corresponds to it for removable coupling of the at least one filter element () to the second housing part (). The first coupling part () has one or a plurality of first latching means () and control surfaces (). The second coupling part () has one or a plurality of second latching means () that can be brought into operative connection with the one or a plurality of first latching means () and control surfaces (). At least the first and the second latching means () can be brought into functional connection when joined, and the control surfaces () and the second latching means () can be brought into operative connection when first and second housing parts () are released. The second latching means () each have three bevels (), at least two of which work together with the control surfaces () to release the second housing part () from the filter element () upon a relative rotation of the filter element () around the longitudinal axis (L) counter to the second housing part ().

Filter system and filter element

A filter device has a cup-shaped filter housing and a filter element disposed in the filter housing. A filter head is connectable to the filter housing and forms a cover for the filter housing. A spring element is provided that is acting on the filter element. The filter head has at least one first form-fit element. The filter housing has at least one second form-fit element for interacting with the at least one first form-fit element. The spring element is arranged such that the filter head and the filter housing for reaching a closed position, in which the at least one first form-fit element and the at least one second form-fit element engage each other, are movable relative to each other axially against the force of the spring element. The spring element clamps the filter element axially between filter head and filter housing in the closed position.

Filter housing with locking form-fit elements and spring loading a filter element in the housing

A filter device includes in a filter housing a hollow cylindrical filter element having frontal end plates. A port having a first sealing element is incorporated into a cover the filter housing, said sealing element being arranged coaxially relative to a second sealing element in a flow opening in the end plate.

A filter element is provided with a support frame provided with a first end disk section and a second end disk section. A folded filter medium is connected to the support frame and arranged between the first end disk section and the second end disk section of the support frame. The first end disk section or the second end disk section has a face facing away from the filter medium. The support frame is provided with a fluid guiding channel that guides, when a fluid flow passes through the filter medium, the fluid along the face facing away from the filter medium. A filter assembly with such a filter element and a filter receptacle in which the filter element is exchangeably arranged is provided.

Filter element and filter assembly

A filter cartridge for a filter apparatus, including: a filter element that encloses an clean space within the filter element, at least partially; wherein the filter element has an outflow opening in flow communication with the clean space in the filter element; wherein the filter element has a longitudinal axis extending through the filter element and through the outflow opening; wherein a hollow base for connecting to a housing-side fastening element is arranged on or in the clean space; wherein an interior of the hollow base is sealed off from the clean space in a flow-tight manner.

Filter cartridge for a filter apparatus

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Sachsenheim, Germany

Frank Pflueger