Abstract: A liquid filter has a filter housing with a housing cup. A filter element of the liquid filter has a filter medium annularly surrounding a longitudinal axis of the filter element. The filter element has an extension part with lock groove. A lock device arranged at the housing cup has a lock element movable radially to the longitudinal axis. The lock element engages the lock groove in a locked state of the lock device and is disengaged in a release state. A filter element for the liquid filter has a filter medium annularly surrounding a longitudinal axis and an extension part with lock groove with rounded cross section. The lock groove is engaged by a lock element, movable radially relative to the longitudinal axis, of a lock device of a housing cup of the liquid filter in a locked state of the lock device and disengaged in a release state.

Abstract: An ion exchanger filter device has a housing with inflow opening and outflow opening for a medium that penetrate a wall of the housing. An ion exchanger cartridge is arranged in the housing. A flow path for the medium extends from inflow opening through the ion exchanger cartridge to outflow opening. The ion exchanger cartridge has a cartridge container with a receptacle that is delimited by a circumferentially extending wall provided with one or more outflow ports distributed circumferentially about the circumferentially extending wall. The receptacle is filled with ion exchanger material. The outflow ports, relative to the outflow opening, are arranged offset in axial direction of the ion exchanger filter device. The flow path has a deflection downstream of the outflow ports. The outflow ports, relative to a direction of gravity in intended mounting position of the ion exchanger filter device, are arranged axially above the outflow opening.

Abstract: A fluid-purifying element has a purifying medium delimiting an element interior. An end body is disposed at an axial end face of the purifying medium and has a radially outer circumferential side provided with an elastic annular seal element. The end body has an end body holding contour for the seal element that extends at least in sections continuously circumferentially at the radially outer circumferential side. The seal element has a seal holding contour arranged at a radially inner circumferential side thereof. The seal element has a seal surface extending at least across a portion of a radially outer circumferential side thereof. The end body holding contour has a protrusion extending at least part-circumferentially and radially outwardly. The protrusion tapers radially outwardly. The seal holding contour has a V-shaped depression extending at least part-circumferentially and radially outwardly. The end body holding contour engages the seal holding contour.

Abstract: The invention relates to a filter element assembly for filtering a fluid, optionally including water separation. A filter element has at least one annular filter bellows which is flowed through in the radial direction, and at least one end plate arranged on the filter bellows on the end side. At least one circumferential sealing element is arranged on the end plate. The sealing element seals the clean side from the raw side of the filter element. The sealing element is compressed between a first housing part and a second housing part of the filter system, sealing a housing interior from the environment. The invention also relates to a filter system having the filter element assembly with the sealing element.

Abstract: A filter element arranged in a filter housing is provided with an annular filter medium flowed through by a liquid medium in a flow direction radial to a longitudinal axis of the filter element. A clean chamber is arranged in the flow direction of the liquid medium downstream of the filter medium. A filtered liquid medium outlet is fluidically connected to the clean chamber. A cylinder-shaped water separating screen is arranged in the clean chamber to separate water contained in the liquid medium. A water outlet opening fluidically connects the clean chamber to a water collecting chamber of the filter housing. A particle filter is arranged at the water outlet opening or arranged between the water outlet opening and the filtered liquid medium outlet of the filter element. The water outlet opening of the filter element is fluidically connected with the water collecting chamber of the filter housing.

Abstract: A filter element arranged in a filter housing is provided with an annular filter medium flowed through by a liquid medium in a flow direction radial to a longitudinal axis of the filter element. A clean chamber is arranged in the flow direction of the liquid medium downstream of the filter medium. A filtered liquid medium outlet is fluidically connected to the clean chamber. A cylinder-shaped water separating screen is arranged in the clean chamber to separate water contained in the liquid medium. A water outlet opening fluidically connects the clean chamber to a water collecting chamber of the filter housing. A particle filter is arranged at the water outlet opening or arranged between the water outlet opening and the filtered liquid medium outlet of the filter element. The water outlet opening of the filter element is fluidically connected with the water collecting chamber of the filter housing.

Abstract: 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.

Abstract: A replaceable filter of a filter device (10 has a housing bowl (64) in which at least one filter element (70) is arranged, at least one filter-side coupling part (74) arranged on the end face of the housing bowl (64) of a coupling device (22) for the detachable coupling of the replaceable filter (14) to a filter head (12 of the filter device (10) via a push and/or turn movement with respect to a coupling axis (24) of the replaceable filter (14), at least one opening arranged on the end face of the housing bowl (64), a shaped sheet-metal part (86) connected to the end-face rim of the housing bowl (64) via a shaped flange (88) having at least one molded seal seating groove (92) that is open in the radial direction and peripheral with respect to the coupling axis (24) for the seating of at least one seal (90). At least one seal seating groove (92) runs radially around the outside of at least one opening.

Abstract: A filter element arranged in a filter housing is provided with an annular filter medium flowed through by a liquid medium in a flow direction radial to a longitudinal axis of the filter element. A clean chamber is arranged in the flow direction of the liquid medium downstream of the filter medium. A filtered liquid medium outlet is fluidically connected to the clean chamber. A cylinder-shaped water separating screen is arranged in the clean chamber to separate water contained in the liquid medium. A water outlet opening fluidically connects the clean chamber to a water collecting chamber of the filter housing. A particle filter is arranged at the water outlet opening or arranged between the water outlet opening and the filtered liquid medium outlet of the filter element. The water outlet opening of the filter element is fluidically connected with the water collecting chamber of the filter housing.

Abstract: A filtering device features a ceramic filter body for filtering a fluid flow, the filter body consisting of a wavy layer and a flat layer and the wavy and flat layer being wound in a spiral-shaped manner. The wave length of the waves increases from the inside to the outside with increasing distance to the longitudinal axis of the filter body such that the wave troughs and the wave peaks of at least two radially adjacent windings each lie on a common radial plane.

Abstract: A configuration for treating exhaust gases of an internal combustion engine having a predetermined displacement volume, includes an exhaust gas recirculation line. Exhaust gas flowing through the exhaust gas recirculation line interacts with a turbocharger. A screening layer is provided in the exhaust gas recirculation line upstream of the turobcharger. The screening layer is larger than an average cross section of the exhaust gas recirculation line. A motor vehicle having at least one such configuration is also provided.

Abstract: A configuration for treating exhaust gases of an internal combustion engine having a predetermined displacement volume, includes an exhaust gas recirculation line. Exhaust gas flowing through the exhaust gas recirculation line interacts with a turbocharger. A screening layer is provided in the exhaust gas recirculation line upstream of the turbocharger. The screening layer is larger than an average cross section of the exhaust gas recirculation line. A motor vehicle having at least one such configuration is also provided.

Abstract: A method for gluing and brazing a honeycomb structure includes at least one partially structured foil with a pitch and a wave height. The method includes the steps of choosing a mean brazing material diameter of a powder brazing material, said diameter being 15% smaller than the height of the wave; determining a minimum thickness of the glue strip according to equation; gluing at least partially structured foil within the width of the glue strip on at least part of the wave crests formed by the undulation; brazing the honeycomb structure. The invention also relates to a corresponding honeycomb structure that ensures satisfactory joint connections even when said structure is used in the exhaust systems of automobiles.

Abstract: A configuration for treating exhaust gases of an internal combustion engine having a predetermined displacement volume, includes an exhaust gas recirculation line. Exhaust gas flowing through the exhaust gas recirculation line interacts with a turbocharger. A screening layer is provided in the exhaust gas recirculation line upstream of the turobcharger. The screening layer is larger than an average cross section of the exhaust gas recirculation line. A motor vehicle having at least one such configuration is also provided.

Abstract: A method for producing aluminum-containing honeycomb bodies includes providing at least partly structured aluminum-based metal foils. The at least partly structured metal foils are stacked and/or wound to form a honeycomb structure having passages. The metal foils are heated from an open end face of the passages with at least one radiant heater. The honeycomb structure is heated in at least one subregion in such a way that the at least one subregion has a temperature between approximately 450° C. and approximately 600° C. after approximately 2 seconds to approximately 30 seconds. The metal foils are connected together in the at least one subregion by technical joining.

Abstract: A process and an apparatus for producing a honeycomb body include forming a metallic honeycomb structure having cavities through which a fluid can at least partially flow, and bringing at least one end side of the honeycomb structure into contact with a metallic melt having a lower melting point than the metallic honeycomb structure. The process and the apparatus allow layers of sheet metal to be intimately and permanently joined in an advantageous manner in joining regions by placing at least one end face of a honeycomb structure of the honeycomb body in contact with a metallic melt which has a lower melting point than the honeycomb structure and contains aluminum, for example. A honeycomb body which is produced by the method or the apparatus is also provided.

Abstract: A method for gluing and brazing a honeycomb structure includes at least one partially structured foil with a pitch and a wave height. The method includes the steps of choosing a mean brazing material diameter of a powder brazing material, said diameter being 15% smaller than the height of the wave; determining a minimum thickness of the glue strip according to equation; gluing at least partially structured foil within the width of the glue strip on at least part of the wave crests formed by the undulation; brazing the honeycomb structure. The invention also relates to a corresponding honeycomb structure that ensures satisfactory joint connections even when said structure is used in the exhaust systems of automobiles.

Abstract: A method for gluing and brazing a honeycomb structure includes at least one partially structured foil with a pitch and a wave height. The method includes the steps of choosing a mean brazing material diameter of a powder brazing material, said diameter being 15% smaller than the height of the wave; determining a minimum thickness of the glue strip according to equation; gluing at least partially structured foil within the width of the glue strip on at least part of the wave crests formed by the undulation; brazing the honeycomb structure. The invention also relates to a corresponding honeycomb structure that ensures satisfactory joint connections even when said structure is used in the exhaust systems of automobiles.

Abstract: A method for producing aluminum-containing honeycomb bodies includes providing at least partly structured aluminum-based metal foils. The at least partly structured metal foils are stacked and/or wound to form a honeycomb structure having passages. The metal foils are heated from an open end face of the passages with at least one radiant heater. The honeycomb structure is heated in at least one subregion in such a way that the at least one subregion has a temperature between approximately 450° C. and approximately 600° C. after approximately 2 seconds to approximately 30 seconds. The metal foils are connected together in the at least one subregion by technical joining.

Abstract: A process for producing a metallic layer includes forming structures at least in subregions of the metallic layer. The structures have corrugation troughs and corrugation peaks, an upper bearing surface formed at least in part from the peaks, and a lower bearing surface formed at least in part from the troughs. The metallic layer is formed with at least a first region having a first thickness and a second region having a second thickness, different than the first thickness. The structures are formed, in longitudinal direction, independently of the thickness, with at least one of the upper and lower bearing surfaces in the regions being substantially aligned in longitudinal direction in vicinity of at least one of the peaks and the troughs. A metallic layer with regions of varying material thickness and a honeycomb body produced at least partly from such metallic layers, are also provided.