Abstract: A filter element for filtering a fluid has at least two areal filter medium bodies arranged axially to be flowed through sequentially by the fluid. The filter medium bodies include an outermost downstream filter medium body and an outermost upstream filter medium body. The outermost downstream and outermost upstream filter medium bodies are arranged radially inside a frame element. The outermost downstream filter medium body has a circumferential downstream molded element and is connected by the circumferential downstream molded element to the frame element. The outermost upstream filter medium body has a circumferential upstream molded element and is connected by the circumferential upstream molded element to the frame element. The circumferential upstream molded element is connected to an upstream frame element end. The circumferential downstream molded element is connected to a downstream frame element end. The filter element is arranged in a filter housing of a filter system.

Abstract: A flat-filter filter element for filtering fluid has at least two areal filter medium bodies arranged axially adjacent to each other and arranged to be flowed through axially by the fluid sequentially. The filter medium bodies each have an outer circumference. A common circumferential lateral strip frames the filter medium bodies at their respective outer circumference. The filter medium bodies include a downstream filter medium body and an upstream filter medium body. The common lateral strip has a protrusion section that extends from the downstream filter medium body axially to the upstream filter medium body. A circumferential molded element is arranged at the upstream filter medium body. The common lateral strip is embedded at least partially in the circumferential molded element. The filter element is arranged in a filter housing of a filter system and the circumferential molded element seals first and second housing parts of the filter housing.

Abstract: A filter system has a filter housing with a fluid inlet and a fluid outlet. At least two exchangeable filter elements are arranged between the fluid inlet and the fluid outlet each having a filter body with a filter medium to be flowed through by a fluid in a flow direction. The filter elements each have an opposing end face with a seal surrounding an outer edge of the filter body at the end face. An abutment element is arranged between the seals when mounted in the filter housing. The abutment element has sides facing away from each other with a seal surface for contacting the seals. A filter element has a filter body with a filter medium and an end face with a seal surrounding an outer edge of the filter body at the end face for contacting a seal surface of an abutment element.

Abstract: A filter system including at least two exchangeable filter elements, each including a filter body including a filter medium arranged so as to allow passage of a fluid in a flow direction for flow-through. At least one of the filter elements includes an axially projecting lateral strip which in an axial direction projects past an end face of the one of the filter elements, wherein the other one of the filter elements includes at an end face a circumferentially extending seal with a groove and wherein the end face of the other one of the filter elements is arranged adjacent to the end face of the one of the filter elements. When the filter elements are assembled as intended, the axially projecting lateral strip of the one of the filter elements engages the groove of the seal of the other one of the filter elements.

Abstract: A filter element has a filter medium annularly surrounding a longitudinal axis of the filter element. The filter medium can be flowed through radially from an exterior to an interior and has a plurality of folds. A first end disk is arranged at a first end face of the filter element. A primary air passage and a secondary air passage are provided. The filter medium has an axial recess at the first end face. The first end disk has a channel forming the secondary air passage and extending in the axial recess. The plurality of folds include first folds in a region of the recess and second folds away from the recess. An axial length of the first folds is reduced relative to an axial length of the second folds. An air filter with such filter element and an assembly method for the air filter are provided.

Abstract: A filter system is provided with a filter housing provided with a fluid inlet for introduction of a fluid into the filter housing. A fluid outlet for discharge of the fluid from the filter housing is provided. A filter element is removably received in the filter housing, wherein the filter element has a positioning and sealing section which positions and seals the filter element in relation to the filter housing. Elastically deformable snap elements connect the filter housing and the fluid outlet with form fit to each other. The positioning and sealing section rests radially at the elastically deformable snap elements. A filter element for such a filter system is provided.

Abstract: A filter element for filtering fluid has a fold pack formed of a filter medium folded in a zigzag shape or corrugated shape and provided with fold sections delimited by fold edges. The fold sections include at least two directly neighboring fold sections connected to each other by an adhesive connection of an adhesive material and extending along an adhesive line. The adhesive line extends at least in sections obliquely to the fold edge positioned between the at least two directly neighboring fold sections or the adhesive line extends offset along the fold edge positioned between the at least two directly neighboring fold sections. A filter element with one or more adhesive walls of an adhesive material extending within the fold pack and formed by adhesive connections of directly neighboring fold sections of the fold pack is provided. A method for producing such filter elements is provided.

Abstract: A filter element is provided with a pleated structure of a filter material folded in a zigzag shape. A frame element is attached to the pleated structure and at least partially circumferentially extends around the pleated structure. The frame element is air-permeable and laterally projects away from the pleated structure. A frame device is attached to the frame element. The frame device is an injection-molded plastic part injection molded onto the frame element. In a method for producing the filter element, an air permeable frame element is attached to the pleated structure of a filter material folded in a zigzag shape so as to circumferentially extend at least partially around the pleated structure and project laterally. The frame device is injection molded onto the frame element in an injection molding process. A filter assembly is provided with a filter housing and the filter element is received in the filter housing.

Abstract: A filter element for fluid has a filter medium body with a flow-through medium arranged transversely to a fluid flow direction. A region of the flow-through medium between an inlet surface and an outlet surface of the filter medium body is filled with adsorption medium in intermediate spaces of the flow-through medium. A fluid-permeable cover medium covers the region at a peripheral rim of the inlet surface and/or the outlet surface. A filter system has a filter housing having an inlet and an outlet for fluid. The filter element is exchangeably arranged in the filter housing between a raw-side and a clean-side. A method for producing the filter element includes filling adsorption medium into intermediate spaces of the flow-through medium between an inlet surface and an outlet surface. The region is covered with a fluid-permeable cover medium at a peripheral rim of the inlet surface and/or the outlet surface.

Abstract: A traction battery for a motor vehicle, including a cell module having a battery cell arrangement and a temperature control device for temperature control of the battery cell arrangement. The temperature control device has a temperature control element having at least one fluid channel, which is connected to the battery cell arrangement by a holding frame of the cell module, is inserted together with the battery cell arrangement into a battery housing of the traction battery and is thermally coupled to the battery cell arrangement via a heat conducting conductor.

Abstract: A traction battery for a motor vehicle, with a cell module having a battery cell arrangement and a temperature control device for temperature control of the battery cell arrangement. The temperature control device has a temperature control element having at least one fluid channel, against which the battery cell arrangement rests in a first direction and from which a holding projection extends, against which the battery cell arrangement is supported in a second direction different from the first direction.

Abstract: A filter element for filtering a fluid has two or more axially extending filter medium bodies arranged to be sequentially flowed through radially and including a first and a second filter medium body. The first filter medium body has an outer diameter smaller than an inner diameter of the second filter medium body, is arranged radially inside the second filter medium body, and has a section projecting axially away from the second filter medium body. A casing is arranged at an outer wall surface of the projecting section and extends at least partially circumferentially around the outer wall surface. The casing fluid-impermeably closes at least temporarily the outer wall surface. The first filter medium body is a particle filter and the second filter medium body is an adsorption filter, or vice versa. A filter system is provided with such a filter element for filtering a fluid.

Abstract: A gas filter system has an outer filter element with a first end plate, a second end plate, and a first filter medium arranged between the first and the second end plates. An inner filter element with a third end plate, a fourth end plate, and a second filter medium arranged between the third and the fourth end plates is provided. The first end plate and the third end plate each have an opening. The first end plate surrounds the third end plate. The first end plate has a first seal protrusion protruding in an axial direction of the gas filter system. The third end plate has a second seal protrusion protruding in the axial direction of the gas filter system. For sealing the third end plate and the first end plate relative to each other, the first seal protrusion and the second seal protrusion engage each other.

Abstract: A filter element for filtering a fluid has a filter body with a filter medium folded in a zigzag shape with folds extending in a fold direction. The filter body has an end edge bonding which seals fold ends of the folds. The filter body has an outer contour with recesses. The end edge bonding, in a region of the recesses of the outer contour of the filter body, is embodied discontinuously. The end edge bonding has at least one outwardly positioned first bonding segment and an inwardly positioned second bonding segment, viewed in the fold direction. The inwardly positioned second bonding segment, in a transverse direction relative to the fold direction, is arranged at a spacing to the at least one outwardly positioned first bonding segment. The at least one outwardly positioned first bonding segment and the inwardly positioned second bonding segment bond at least one common fold.

Abstract: A method for producing an inter-cell cooling unit. A heat sink extending in a longitudinal extension direction is provided in the form of an extruded profile, which includes an interior with at least one cooling channel through which a coolant can flow, and which is delimited in the longitudinal extension direction by a first end region with a front-side first opening region which opens into the environment. A first connection unit with at least one first connection opening, which is different from the first opening region, is formed from the first end region.

Abstract: A gas filter system including a housing, a first filter element having a first filter medium and a second filter element having a second filter medium, the first and second filter elements being arranged inside the housing and the first filter medium and the second filter medium surrounding a common longitudinal axis, wherein a flexible sealing lip protrudes in the axial direction from the first filter medium, wherein the housing has a first sealing surface for sealing abutment against the sealing lip, wherein a rigid sealing rib protrudes from the second filter element, the sealing rib having a second sealing surface for sealing abutment against the sealing lip, wherein the sealing lip is compressed between the first sealing surface and the second sealing surface, and wherein the second sealing surface faces radially outwardly.

Abstract: A filter element has two filter bellows adjoining each other in an interface region between the outflow surface of one of the filter bellows and the inflow surface of the other. A circumferential seal in the interface region connects the filter bellows by material fusion. In transverse direction to the flow direction, one filter bellows has a small extension and the other a large extension larger than the small extension. The filter bellows are arranged such that, along an edge of the filter bellows with large extension, a free space in the interface region of the filter bellows with the large extension is not covered by the filter bellows with the small extension. In the free space region, the seal is connected by material fusion to the filter bellows with the large extension. A filter device with a two-part housing contains such a filter element.

Abstract: A gas filter system comprising an outer filter element having a first filter medium arranged between a first end cap and a second end cap, and an inner filter element having a second filter medium arranged between a third end cap and a fourth end cap, the first filter medium being arrangeable to surround the inner filter medium, wherein the first, second, third and fourth end caps are open.

Abstract: A gas filter system including an outer filter element having a first filter medium arranged between a first end cap and a second end cap, and an inner filter element having a second filter medium arranged between a third end cap and a fourth end cap, wherein the first filter medium is arrangeable to surround the second filter medium, wherein the first, third and fourth end caps are open, wherein the outer filter element is closed at the second end cap, wherein the outer filter element has an axial protrusion at the second end cap that protrudes into the inner filter element and exhibits a radially outward facing sealing surface, and wherein the fourth end cap of the inner filter element has a second sealing section for sealing abutment against the sealing surface of the protrusion.

Abstract: A gas filter system including a housing with a sealing projection and a housing groove; an outer filter element having a first filter medium with a first end cap and a second end cap; and an inner filter element having a second filter medium with a third end cap and a fourth end cap, wherein the first end cap has a first axial end cap projection and the third end cap has a second axial end cap projection, the end cap projections being arranged in the housing groove; the first and second end cap projections forming a common groove into which the sealing projection protrudes for sealing abutment against the first end cap and the third end cap at the common groove. The use of an outer filter element and/or an inner filter element in the gas filter system.