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: A filter module for a filter assembly has a primary filter element and a secondary filter element. A water separation interface is provided for discharging water, which has been separated by the primary filter element from a fluid to be filtered, from the primary filter element. A primary filter interface is provided for discharging fluid, which has been filtered by the primary filter element, from the primary filter element. A secondary filter interface is provided for discharging the fluid, which has been filtered by the secondary filter element, from the secondary filter element. The water separation interface, the primary filter interface, and the secondary filter interface are arranged coaxially to a symmetry axis of the filter module. The water separation interface, the primary filter interface, and the secondary filter interface are each designed for outflow of material flows in axial direction of the symmetry axis.

Abstract: A heat exchanger for cooling intake air with a coolant is provided with a shell and first and second front faces, wherein one of the front faces is an inlet and the other an outlet for intake air. The shell has at least one coupling element disposed along a circumferential line of the shell that is spaced apart from the first front face by a predetermined distance. The shell has a port as an inlet or outlet for the coolant. The port is arranged at a spacing from the first front face. The spacing is larger than the predetermined distance. The shell has an insertion section between first front face and circumferential line. The shell has an internal duct system connected to the port for guiding the coolant into the insertion section. The coupling element can fixedly couple with at least one corresponding coupling element of an air duct.

Abstract: A filter module for a filter assembly has a primary filter element and a secondary filter element. A water separation interface is provided for discharging water, which has been separated by the primary filter element from a fluid to be filtered, from the primary filter element. A primary filter interface is provided for discharging fluid, which has been filtered by the primary filter element, from the primary filter element. A secondary filter interface is provided for discharging the fluid, which has been filtered by the secondary filter element, from the secondary filter element. The water separation interface, the primary filter interface, and the secondary filter interface are arranged coaxially to a symmetry axis of the filter module. The water separation interface, the primary filter interface, and the secondary filter interface are each designed for outflow of material flows in axial direction of the symmetry axis.

Abstract: A train station has at least one transportation route for traffic of vehicles, wherein the at least one transportation route is provided with a vehicle tunnel. At least one public waiting area is arranged adjacent to the at least one transportation route. An enclosure is provided in which the at least one public waiting area is arranged, wherein the enclosure has at least one side wall. At least one ambient air purification arrangement for purifying ambient air is provided that has one or more filter units for separating solid, liquid or gaseous ambient air pollutants from the ambient air. The one or more filter units are arranged at and/or in the at least one side wall of the enclosure.

Abstract: A heat exchanger for cooling intake air with a coolant is provided with a shell and first and second front faces, wherein one of the front faces is an inlet and the other an outlet for intake air. The shell has at least one coupling element disposed along a circumferential line of the shell that is spaced apart from the first front face by a predetermined distance. The shell has a port as an inlet or outlet for the coolant. The port is arranged at a spacing from the first front face. The spacing is larger than the predetermined distance. The shell has an insertion section between first front face and circumferential line. The shell has an internal duct system connected to the port for guiding the coolant into the insertion section. The coupling element can fixedly couple with at least one corresponding coupling element of an air duct.

Abstract: An intake manifold of an internal combustion engine includes a non-metal housing and at least one charge air cooler. The non-metal housing has at least one inlet and at least one outlet for charge air. The at least one charge air cooler disposed in the housing between the at least one inlet and at least one outlet. A metal housing frame is carried by the at least one charge air cooler. A metal adapter holding plate is secured to the metal housing frame and holds at least one non-metal mounting adapter to the at least one charge air cooler. The at least one non-metal mounting adapter may be secured to a top interior side wall and a bottom interior side wall the non-metal housing. The metal adapter holding plate is elongated in a direction extending from the inlet to the outlet and has a U-shape profile.

Abstract: An air-guiding component for a charged internal combustion engine has an intercooler provided with coolant connectors that is disposed in a housing of the air-guiding component. The housing has at least two housing parts including a basic housing part. The housing is provided with at least one inlet and at least one outlet for charge air and is further provided with at least one passage for the coolant connectors of the intercooler. The intercooler is arranged between the at least one inlet and the at least one outlet so as to be flowed through by the charge air. The housing has housing walls and at least one of the housing walls has at least one corrugation.

Abstract: An intake manifold for a charged internal combustion engine has an intercooler provided with coolant connectors that is disposed in an intake manifold housing. The intake manifold housing has at least two housing parts including a basic housing part. The intake manifold housing is provided with at least one inlet and at least one outlet for charge air and is further provided with at least one passage for the coolant connectors of the intercooler. The intercooler is arranged between the at least one inlet and the at least one outlet so as to be flowed through by the charge air. The intercooler is fastened in the basic housing part by a fastening device such that the intercooler separates at least on one side of the basic housing part the at least one inlet seal-tightly from the at least one outlet.

Abstract: A stub connection for a heat exchanger that is arranged in a housing and has a stack including plates and fins. The housing consists of housing parts which can be joined together, and at least one first stub for a first heat-exchanging medium being integrated directly into the housing. The stub connection also includes at least one second stub for a second heat-exchanging medium that extends to outside the housing. The at least one second stub is configured for the connection of a line and is integrated directly or indirectly into the housing.

Abstract: The invention relates to a housing, in particular an intake manifold (10), of an intake duct of a charged, in particular turbocharged, internal combustion engine. At least one charge air cooler (12) arranged therein, and also relates to a charge air cooler (12). The at least one charge air cooler (12) is fastened by means of at least one adapter device (23) on at least one wall portion (20) of the housing part (18). At least one frame part (32) of the charge air cooler (12) facing the wall portion (20) has at least one adapter holding part (38) of the at least one adapter device (23), by which at least one adapter element (48) of the at least one adapter device (23) is held at least by non-positive and/or positive engagement. The at least one adapter element (48) is connected at least cohesively to the at least one wall portion (20).

Abstract: A heat exchanger (10) cooling a fluid and a method for manufacturing, the heat exchanger (10) having an outer pipe section (12) in which a plurality of inner pipe sections (36) with channels for the fluid to be cooled are disposed. At least one cooling fluid channel (56) is disposed in the outer pipe section (12). The at least one cooling fluid channel (56) and the at least one channel for the fluid to be cooled are in heat contact and fluidically separated from each other. A plurality of inner pipe sections (36) open on both ends (38, 46) form of a pipe bundle (34) having ends fixed tightly in a corresponding lead-through opening (40) of an upstream end body (42) and fixed tightly with the other end (46) in a corresponding lead-through opening (48) of a downstream end body (50).

Abstract: A stub connection for a heat exchanger that is arranged in a housing. The stub connection includes a first part which is fastened to the heat exchanger and a second part which has a stub shank extending through an opening in the housing and is seated in a hole of the first part. The stub connection also includes at least two seals. The first seal is an annular seal, which is seated in a groove of the stub shank and the second seal is a gasket, which is arranged between the opening, the stub shank, and the first part. The first seal is seated in the hole and seals between the stub shank and the first part.

Abstract: A detachable connecting device for connecting first and second functional components to each other has a connecting element arranged in a connecting element receptacle of the first functional component so as to be force-transmitting. A bushing that is circumferentially closed is arranged on the connecting element. A bushing receptacle is provided on the second functional component. The bushing together with the connecting element is arranged in the bushing receptacle for realizing force transmission between connecting element and second functional component. The bushing receptacle has a circumferential side relative to the connecting axis that is provided with an insertion section with insertion opening to insert the bushing from outside of the circumferential side into the interior of the bushing receptacle or to remove the bushing from the interior of the bushing receptacle through the circumferential side.

Abstract: A charge air cooler includes a housing and a heat exchanger core positioned within the housing. The heat exchanger core includes a first core section, a second core section, and a centrally located section positioned between the first core section and the second core section. The charge air cooler also includes a plurality of coolant circuits. Each coolant circuit extends through at least one of the first and second core sections. The charge air cooler further includes a coolant inlet extending from the centrally located section to deliver coolant to the plurality of coolant circuits, and a coolant outlet extending from the centrally located section to receive coolant from the plurality of coolant circuits. The charge air cooler also includes a fastener extending through the centrally located section of the core to secure the core to the housing.

Abstract: A detachable connecting device for connecting first and second functional components to each other has a connecting element arranged in a connecting element receptacle of the first functional component so as to be force-transmitting. A bushing that is circumferentially closed is arranged on the connecting element. A bushing receptacle is provided on the second functional component. The bushing together with the connecting element is arranged in the bushing receptacle for realizing force transmission between connecting element and second functional component. The bushing receptacle has a circumferential side relative to the connecting axis that is provided with an insertion section with insertion opening to insert the bushing from outside of the circumferential side into the interior of the bushing receptacle or to remove the bushing from the interior of the bushing receptacle through the circumferential side.

Abstract: An intake manifold for a charged internal combustion engine has an intercooler provided with coolant connectors that is disposed in an intake manifold housing. The intake manifold housing has at least two housing parts including a basic housing part. The intake manifold housing is provided with at least one inlet and at least one outlet for charge air and is further provided with at least one passage for the coolant connectors of the intercooler. The intercooler is arranged between the at least one inlet and the at least one outlet so as to be flowed through by the charge air. The intercooler is fastened in the basic housing part by a fastening device such that the intercooler separates at least on one side of the basic housing part the at least one inlet seal-tightly from the at least one outlet.

Abstract: An air-guiding component for a charged internal combustion engine has an intercooler provided with coolant connectors that is disposed in a housing of the air-guiding component. The housing has at least two housing parts including a basic housing part. The housing is provided with at least one inlet and at least one outlet for charge air and is further provided with at least one passage for the coolant connectors of the intercooler. The intercooler is arranged between the at least one inlet and the at least one outlet so as to be flowed through by the charge air. The housing has housing walls and at least one of the housing walls has at least one corrugation.

Abstract: A stub connection for a heat exchanger that is arranged in a housing and has a stack including plates and fins. The housing consists of housing parts which can be joined together, and at least one first stub for a first heat-exchanging medium being integrated directly into the housing. The stub connection also includes at least one second stub for a second heat-exchanging medium that extends to outside the housing. The at least one second stub is configured for the connection of a line and is integrated directly or indirectly into the housing.

Abstract: A stub connection for a heat exchanger that is arranged in a housing. The stub connection includes a first part which is fastened to the heat exchanger and a second part which has a stub shank extending through an opening in the housing and is seated in a hole of the first part. The stub connection also includes at least two seals. The first seal is an annular seal, which is seated in a groove of the stub shank and the second seal is a gasket, which is arranged between the opening, the stub shank, and the first part. The first seal is seated in the hole and seals between the stub shank and the first part.