Mann+hummel Gmbh

Filterwerk Mann + Hummel Gmbh

André Roesgen

Christian Thalmann

Robert Hasenfratz

Frank Pflueger

Fabian Wagner

Pascal Neef

Mario Rieger

Werner Blossey

Andreas Weber

Guenter Jokschas

Michael Harenbrock

Thomas Jessberger

Pedro Miguel Pereira Madeira

Daniel Schmid

Dieter Schreckenberger

Michael Heim

Duc Cuong Nguyen

Joerg Menssen

Nadine Sorger

Gelase Mbadinga-Mouanda

Martin Schmid

Mike Schmid

Michal Tuma

Vit Wognar

Leos Burda

Petra Skorpíková

Timo Dirnberger

Pius Trautmann

Nadine Donauer

Stefan Walz

Arthur Sudermann

Idriss Razgani

Thomas Sieber

Dietmar Talmon-Gros

Michael Kolmeder

Matthias Krohlow

Christoph Wittmers

Ralf Poh

Markus Nefzer

Peter Gohle

Arndt-Udo Rolle

Marcel Hofmeister

Heike Kluson-Hesslinger

Holger Stahl

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

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 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 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 for filtering a fluid, including: a filter bellows made of a filter medium folded into zig-zag-shaped pleats along fold edges, each pleat extending between opposing end edges of the filter bel-lows, and being laterally sealed at the end edges by means of at least one sealant track or a sideband; wherein the filter bellows includes a first element section; and a second element section, which include each on opposing end faces end edge surfaces and that substantially run parallel to one another, wherein, from one element section to another element section, at least one of the end edge surfaces changes direction.

Filter element having filter bellows

A filter housing () has at least one inlet () and at least one outlet () for the fluid. The filter element () includes a filter body of a filter medium ().The filter element () is configured to be arranged in a filter housing () separating the at least one inlet () from the at least one outlet (). An element axis () of the filter element () and a housing axis () of the filter housing () can be aligned parallel or axially to an installation direction () of the filter element into the filter housing. The filter element () may include at least one guide crosspiece () which extends axially and radially outward on a peripheral exterior side (), relative to the element axis (), of the filter element (). The filter element () has at least one seal () running peripherally relative to the element axis (), the seal () having a seal line with at least one convexity () arranged peripherally between two corner regions of the filter element () and is separated by these corner regions.

Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter

A plate-type filter element for gas filtration has a filter medium body with a circumferentially extending seal that contacts seal-tightly a first sealing surface of a filter housing extending in a filter element plane of the filter element. A sealing bracket is connected to the seal and contacts seal-tightly a second sealing surface of the filter housing extending at least partially outside of the filter element plane. A filter device has a filter housing with first and second sealing surfaces. A plate-type filter element is mountable exchangeably in the filter housing. The filter element has a filter medium body, a circumferentially extending seal, and a sealing bracket connected to the seal. The first sealing surface extends in the filter element plane; the second sealing surface extends partially outside of the filter element plane. The seal contacts seal-tightly the first sealing surface; the sealing bracket seal-tightly contacts the second sealing surface.

Plate-type filter element for gas filtration

A replaceable filter of a filter device has a housing bowl in which at least one filter element is arranged. At least one filter-side coupling part of a coupling device is arranged on the end face of the housing bowl for detachable connection of the replaceable filter to the filter head. At least one fluid opening arranged on the end face of the housing bowl. A shaped sheet metal part is connected to the end face rim of the housing bowl via a shaped flange or ring that is integrally manufactured as one piece, having at least one molded seal seating groove that is open in the radial direction and peripheral with respect to the coupling axis for the seating an outer seal.

Replaceable filter of a filter device, and filter device

A filter element, including: a first filter medium body having an outflow side and an inflow side; a second filter medium body having an outflow side and an inflow side; wherein the filter element has a longitudinal axis; wherein the first and second filter elements are configured both install into and share in common a filter element housing in which the filter medium bodies delimit a shared common clean space from which the purified fluid is to be discharged via at least one outflow opening; wherein the first filter medium body and the second filter medium body have different sizes and/or different shapes and/or different angular positions of the outflow sides adjoining the clean space.

Filter element, in particular, for gas filtration

Growing community of inventors

Remshalden, Germany

André Roesgen