Mann+hummel Gmbh

Filterwerk Mann + Hummel Gmbh

Mahle Filtersysteme Gmbh

Pius Trautmann

Martin Weindorf

Idriss Razgani

Guenter Jokschas

Torsten Hilpert

Andreas Weber

Dietmar Talmon-Gros

Oliver Glueck

Michael Durst

Bernd Nageldinger

André Roesgen

Michael Fasold

Dieter Schreckenberger

Ulrich Dehnen

Stefan Walz

Martin Veit

Sven Epli

Helmut Neuschwander

Thomas Schleiden

Andreas Pelz

Johannes Lampert

Stefan Kunze

Rafael Salom

Frank Pfeiffer

Andreas Beck

Dieter Amesoeder

Jobst Eisengraeber-Pabst

Marco Schweikart

Daniel Volkmer

Pamela Gohl

Günter Jokschas

Christian Vogt

Stefan Eichinger

Jérôme Migaud

Christopher Marc Sturgess

Fritz Brenneis

Marco Faisst

Andreas Kloz

Michal Tuma

Jobst Eisengräber-Pabst

Siegfried Rapp

Lars Bachmann

Elke Duerr

Joerg Hammerschick

Jan Svoboda

Dieter Amesöder

Anders-Christian Hoppe

Alrun Spennemann

Holger Sradnick

Lisa Bester

Elisabeth Nissler

Tiago Felipe Wiedemann Da Silva

Sabine Fleck

Hartmut Sauter

Oliver Glück

Lavanya Kagitha

Julien Zenner

Frank Loebard

Ivo Rehák

Elke DÜRR

Jobst Eisengräber-Papst

An intermediate cover of a filter housing of a filter for purifying liquids can be mounted in the filter housing for separating a filter receiving space for a filter insert from a centrifuge receiving space for a centrifuge separator by a rotary and/or insertion movement relative to an imaginary axis. The intermediate cover is provided with a portion of at least one clean fluid channel forming a fluidic connection between a clean fluid side of the filter insert and a fluid outlet of the filter housing for a purified clean fluid. The filter insert has a connecting device arranged at an axial end face and connectable to the intermediate cover. An outlet opening for purified clean fluid is arranged at the axial end face and corresponds with an inlet opening of the clean fluid channel of the intermediate cover. The outlet opening at least partially forms the connecting device.

Intermediate cover of a filter housing of a filter for purifying liquid fluids and filter insert, filter and use

A housing module of a fluid treatment module of a fluid system is provided with a fluid housing with inlet and outlet for fluid. The fluid housing has a housing part with a receiving chamber for a fluid treatment component for treatment of fluid and an installation opening, closable by a housing closure part, for installation of the fluid treatment component in the receiving chamber. A housing connecting section is provided for connecting the housing part and the housing closure part to each other. The housing module has an externally positioned support structure that surrounds the housing part like a sleeve and has a reinforcement region that extends about the housing connecting section. The support structure has a fastening region for attachment of the housing module on a holding component of the fluid system. The connection of the housing part with the housing closure part is a direct connection.

Housing module of a fluid treatment module and fluid treatment module

A recirculation module for a fuel prefilter unit of a combustion engine has a temperature-controlled actuating element that transfers the recirculation module, based on a filter raw side feed temperature of the fuel, from a cold start state into a normal operating state and back. In cold start state, an engine return line from the combustion engine to the recirculation module is in fluid communication with a filter element raw side of the fuel prefilter unit and the engine return line is separated in regard to fluid communication from a tank return line of the combustion engine. In normal operating state, the engine return line is separated in regard to fluid communication from the filter element raw side and is in fluid communication with the tank return line. A check valve prevents return flow of fuel from the tank return line into the engine return line.

Recirculation module and fuel prefilter unit

A filter element () for a liquid medium such as fuel, having a filter medium () which is arranged in an annular manner and a venting arrangement (), having

Filter element and filter system with siphon venting arrangement

A water separator for water contained in fuel has a water separator housing with a separator element. A water collecting chamber is arranged in operation of the water separator below the separator element. A water collecting chamber through opening fluidically connects the water collecting chamber with the separator element. A drainage through opening has a first end which leads, for draining water from the water separator, out of the water separator. A second end is connected fluidically by an overflow valve to the water collecting chamber. The overflow valve has a float closing off a connection between drainage through opening and water collecting chamber when a water filling level has not reached the overflow valve. The float has an average density of 700 kg/mto 1,000 kg/mso that the float, when the water filling level is reached, opens the connection between water collecting chamber and drainage through opening.

Water separator with a water overflow secured by means of a float valve

A filter element () for a liquid medium, in particular fuel, having a first vent channel () connected at the intake end to the pre-filtration side () of the filter element (), a second vent channel () connected at the intake end to the post-filtration side () of the filter element (); and a vent tube () having has at one end an inlet opening () and at the other end an outlet opening for fluidic connection of the vent tube () to a vent stub of a filter housing, or a vent tube portion for connection to a vent tube of a filter housing.

Filter element and filter system for a liquid medium with ventilation on the post-filtration side and on the pre-filtration side

A filter device is provided with an annular filter element. A central tube is inserted into the annular filter element so as to delimit an inwardly positioned cavity of the annular filter element. A functional part is inserted into the annular filter element and extends parallel to a longitudinal axis of the annular filter element, wherein the functional part is arranged in radial direction of the annular filter element outward of the central tube. The functional part has a radial inwardly positioned wall facing the central tube. The central tube has a facing wall that is facing the radial inwardly positioned wall of the functional part. The radial inwardly positioned wall of the functional part is positioned parallel to or concentric to the facing wall of the central tube.

Filter device

The invention relates to a fuel filter () having a filter element () for separating water from the fuel. The water can be fed into a collection chamber () of the fuel filter () via a first conduit (), which extends from the filter element () to the collection chamber (). Provided in the first conduit () is a branching off of a second conduit (), which enables fluid discharge from the first conduit (). Preferably, a throttle () and in particular a press-fit throttle is provided in the second conduit (), in order to regulate the amount of outflow. The second conduit () preferably branches off from the first conduit () at substantially adegree angle to the first conduit (), so that fluid flowing in the first conduit () primarily flows past the second conduit () and reaches the collection chamber ().

Fuel filter

A filter device has, in a housing, a filter element and, downstream of the filter element, an outflow opening for discharging the cleaned medium. Between the filter element and the outflow opening there is arranged a diverting part, wherein on the diverting part there is formed an overflow region for the flow of the medium from the filter element to the outflow opening, and the outflow opening is situated at the same level as or below the overflow region.

Filter device, in particular liquid filter

A filter element has a fold arrangement and a shaped seal extending about at least one section of a circumference of the fold arrangement. The shaped seal consists of a thixotropic sealing material or at least contains such a thixotropic sealing material. The thixotropic sealing material is thixotropic PUR or thixotropic silicone or a mixture of both.

Filter element with sealing and method of producing the filter element

In a method for stabilizing folded filter media, a thread is coated with a hot melt adhesive to prepare a coated thread. The coated thread is wound in a plastic state about fold tips of a folded filter medium. The plastic state of the coated thread is maintained by applying heat. The heat is applied in the form of hot air, infrared radiation, or generated by microwaves.

Method for the stabilization of folded filter media and a filter medium stabilized by said method

A filter element, especially for filtering intake air for an internal combustion engine, which filter element is composed of a coiled filter, through which a flow of air passes axially, and which has an annular gasket on at least one end face, the annular gasket being connected to the filter element by a welded, glued, extruded or fused connection, such that the annular gasket is inserted into a suitably constructed receptacle in a filter housing and radially and/or axially positions the coiled filter. The annular gasket is arranged directly on the end face of the coiled filter and is pressed axially and/or radially into the receptacle of the housing.

Filter system

An axial flow filter element including alternating flat and folded media layers forming axial channels, one end of a first group of channels being sealed and the remaining channels being sealed at the other end so fluid flowing through the element passes from channels of the first group through the filter media to channels of the second group to exit the filter; channels of the second group adjoining each side of channels of the first group spaced from the edge of the filter element so fluid flows through the entire lateral area of the first channels; an annular sealing collar adjacent an axial end face of the filter element connected to the exterior of the element to seal the element in a housing; part of the collar projecting axially beyond the end face of the element, and a frame connected to the projecting part for radially supporting the collar.

Filter sealing system

A filter device for filtering air in internal combustion engines equipped with a filter that can be inserted into a filter housing and has a flame-retardant effect. The filter comprises a main filter element and an upstream filter fleece whereby the flame-retardant effect is achieved by the fleece prefilter.

Filter apparatus for filtering the air for an internal combustion engine

A centrifugal oil separator which includes a disk separator disposed in a housing and has a plurality of spaced disks between which paths of flow for a gas to be cleaned are provided. The paths of flow connect an intake space located at the radial exterior of the disk separator with an inner, axial discharge channel. The intake space is supplied with pressurized gas via a rotation element that is configured as a compressor wheel and that is disposed in the area of an axial end face of the disk separator.

Centrifugal oil separator

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Stuttgart, Germany

Pius Trautmann