Abstract: The present invention relates to a setting device for fastening a functional element to a workpiece, in particular to a sheet metal component. The setting device comprises a die for receiving and supporting the workpiece and a setting head having a setting die which cooperates with the functional element and by which the functional element can be fastened to the workpiece in an axial setting movement. The setting device further comprises a checking device for determining the quality of a connection of the functional element to the workpiece, wherein the checking device has a sensor having a first contact section, which can be electrically conductively contacted with the functional element, and having a second contact section that can be electrically conductively contacted with the workpiece. The present invention furthermore relates to a corresponding method of fastening a functional element to a workpiece.

Abstract: A stacked plate heat exchanger for a motor vehicle is disclosed. The stacked plate heat exchanger includes a plurality of elongated stacked plates extending in a longitudinal direction and stacked against one another perpendicularly to the longitudinal direction in a stacking direction. First hollow spaces and second hollow spaces are disposed between adjacent stacked plates, through which alternatingly a first medium and a second medium flows. At least one stacked plate has a rib structure disposed on a respective plate surface, structured and arranged to provide a plurality of flow passages within the respective hollow space. The rib structure has a guiding region and two distribution regions. The rib structure differs in the guiding region and in the two distribution regions by shape and size of the plurality of flow passages.

Abstract: The present disclosure describes an arrangement for a motor vehicle including an internal combustion engine, a heat exchanger for cooling exhaust gas present in the internal combustion engine, and an exhaust system for discharging the exhaust gas. The heat exchanger has a channel system including at least one exhaust gas channel, through which an exhaust path leads, and at least one coolant channel, through which a coolant path of a coolant leads, fluidically separate from the exhaust gas path and arranged in a heat-transferring manner with the exhaust gas path for heat exchange during operation. A cooling gas outlet, opening into the exhaust gas path upstream of the channel system, is provided for introducing a cooling gas into the exhaust gas path upstream of the channel system.

Abstract: A stacked plate heat exchanger for a motor vehicle is disclosed. The stacked plate heat exchanger includes a plurality of elongated stacked plates extending in a longitudinal direction and stacked against one another perpendicularly to the longitudinal direction in a stacking direction. First hollow spaces and second hollow spaces are disposed between adjacent stacked plates, through which alternatingly a first medium and a second medium flows. At least one stacked plate has a rib structure disposed on a respective plate surface, structured and arranged to provide a plurality of flow passages within the respective hollow space. The rib structure has a guiding region and two distribution regions. The rib structure differs in the guiding region and in the two distribution regions by shape and size of the plurality of flow passages.

Abstract: The present disclosure describes an arrangement for a motor vehicle including an internal combustion engine, a heat exchanger for cooling exhaust gas present in the internal combustion engine, and an exhaust system for discharging the exhaust gas. The heat exchanger has a channel system including at least one exhaust gas channel, through which an exhaust path leads, and at least one coolant channel, through which a coolant path of a coolant leads, fluidically separate from the exhaust gas path and arranged in a heat-transferring manner with the exhaust gas path for heat exchange during operation. A cooling gas outlet, opening into the exhaust gas path upstream of the channel system, is provided for introducing a cooling gas into the exhaust gas path upstream of the channel system.

Abstract: A heat exchanger unit for a fluid circuit of a motor vehicle includes a plurality of fluid connections for a through-flow of a working fluid, a fluid distributor fluidically connected to the fluid connections, and a fluid connector fluidically connected to the fluid connections. The fluid distributor is structured and arranged to distribute the working fluid among the fluid connections, and the fluid collector is structured and arranged to collect the working fluid after flowing through the fluid connection. At least a portion of the fluid distributor and/or the fluid collector includes a surge tank for the working fluid.

Abstract: The present invention relates to a setting device for fastening an element to a workpiece having a guide device that can be brought into mechanical contact with the element and that has an axial hollow space for guiding the element, and having an axially movable ram for moving the element in a setting direction through the hollow space of the guide device, wherein the guide device has at least one first and one second guide element; wherein the guide elements bound the axial hollow space and are preloaded by means of a preloading device by a preloading force acting radially inwardly on the guide element, and wherein a detection device is associated with the guide device and a presence, position and/or location of an element in the region of the guide device can be detected by it.

Abstract: A stacked-plate heat exchanger may include a plurality of stacked plates stacked on top of each other along a stacking direction. A channel structure, through which a fluid may be flowable, may be formed in at least one stacked plate. From a top view of the at least one stacked plate, the channel structure may have at least one fluid channel along the stacking direction that may have at least one channel section with a zigzag-like geometry.

Abstract: An exhaust gas system for a motor vehicle may include an exhaust gas aftertreatment device communicating fluidically with an exhaust gas evaporation device. The exhaust gas aftertreatment device and the exhaust gas evaporation device may be arranged in one or more housings. A connecting line may be provided to fluidically connect the exhaust gas aftertreatment device to the exhaust gas evaporation device. The connecting line may include a fluid inlet connected to the exhaust gas aftertreatment device and a fluid outlet connected to the exhaust gas evaporation device. An evaporation bypass line may branch off from the connection line at a branching-off point. A valve apparatus may be arranged in at least the connecting line and may be adjustable between a first position to fluidly connect the fluid inlet to the fluid outlet, and a second position to fluidly connect the fluid inlet to the evaporator bypass line.

Abstract: The application relates to a system for using the waste heat of an internal combustion engine through the Clausius-Rankine cycle. Such system prevents operating medium from the Clausius-Rankine cycle from leaking into combustion air or exhaust air. The system has a first flow channel formed by at least one first limiting component and a second flow channel formed by at least one second limiting component. The system has a fluid-conducting connection to the surroundings or to a receiving chamber from the first limiting component and preferably from the second limiting component, so that in the event of a leak the operating medium is conducted into the surroundings or into the receiving chamber.

Abstract: A heat exchanger may include a gas conduit flowable through by a predetermined gas and a heat conduit flowable through by a predetermined fluid compound working fluid. The heat conduit may be in thermal communication with the gas conduit. The heat exchanger may include a first section having a first section length, a second section having a second section length, and a third section having a third section length. The gas conduit may span, in a direction of flow of the gas, the first section, the second section, and the third section. The heat conduit may span, in a direction of flow of the working fluid, the third section, the first section, and the second section. The first section may include a gas inlet and the third section may include a working fluid inlet and a gas outlet. The section may include a working fluid outlet.

Abstract: A device for the exchange of heat between a first and a second medium with pairs of trays stacked one on top of the other in a stacking direction is provided, wherein a first flow chamber that can be flowed through by a first medium is provided between the two trays of at least one pair of trays or several pairs of trays and a second flow chamber that can be flowed through by a second medium is provided between two pairs of trays adjacent to one another, wherein the first flow chamber has first flow path with flow path sections that can be flowed through consecutively in opposite directions for the first medium, which are separated from one another by a division wall arranged between the at least two trays of the at least one pair of trays, and wherein the second flow chamber has a second flow path for the second medium.

Abstract: An exhaust gas system for a motor vehicle may include an exhaust gas aftertreatment device communicating fluidically with an exhaust gas evaporation device. The exhaust gas aftertreatment device and the exhaust gas evaporation device may be arranged in one or more housings. A connecting line may be provided to fluidically connect the exhaust gas aftertreatment device to the exhaust gas evaporation device. The connecting line may include a fluid inlet connected to the exhaust gas aftertreatment device and a fluid outlet connected to the exhaust gas evaporation device. An evaporation bypass line may branch off from the connection line at a branching-off point. A valve apparatus may be arranged in at least the connecting line and may be adjustable between a first position to fluidly connect the fluid inlet to the fluid outlet, and a second position to fluidly connect the fluid inlet to the evaporator bypass line.

Abstract: The invention relates to a system for using the waste heat of an internal combustion engine by means of the Clausius-Rankine cycle, wherein an incorporation of an operating medium into the combustion air fed to the combustion engine due to lack of sealing or a leak at the evaporator heat exchanger is substantially ruled out.

Abstract: A system for utilizing waste heat of an internal combustion engine via the Clausius-Rankine cycle process is provided that includes a circuit with lines containing a working medium, an evaporator heat exchanger which serves for evaporating the liquid working medium using waste heat of the internal combustion engine and which has an inlet opening for conducting the working medium into a flow duct and an outlet opening for conducting the working medium out of the flow duct, and the flow duct is divided into a plurality of flow duct parts connected hydraulically in parallel, an expansion machine, a condenser for liquefying the vaporous working medium, a collecting and compensating vessel for the liquid working medium, it is sought to be able to change the working medium substantially completely from a liquid state of aggregation to a gaseous state of aggregation at an evaporator heat exchanger.

Abstract: The invention relates to a heat exchanger, such as in particular an exhaust-gas evaporator, having a housing with a fluid inlet, and with a fluid outlet for a first medium, such as in particular exhaust gas, and having tubes which are arranged in the housing transversely with respect to the flow direction of the first fluid and through which a second medium can flow and which, by way of their ends at the inlet side and at the outlet side are arranged and connected in a fluid tight manner in a tube plate, wherein, to the respective tube plate, there is connected in each case one structure by means of which groups of tubes are connected to one another in such a way that an outlet of at east one tube is fluidically connected to an inlet of at least one other tube.

Abstract: A heat exchanger may include a gas conduit flowable through by a predetermined gas and a heat conduit flowable through by a predetermined fluid compound working fluid. The heat conduit may be in thermal communication with the gas conduit. The heat exchanger may include a first section having a first section length, a second section having a second section length, and a third section having a third section length. The gas conduit may span, in a direction of flow of the gas, the first section, the second section, and the third section. The heat conduit may span, in a direction of flow of the working fluid, the third section, the first section, and the second section. The first section may include a gas inlet and the third section may include a working fluid inlet and a gas outlet. The section may include a working fluid outlet.

Abstract: An exhaust gas cooler for a motor vehicle is provided that includes a first collector box on an inlet side and a second collector box on an outlet side, and a plurality of exchanger tubes extending between the collector boxes for exhaust gas to flow through. Air can flow around the exchanger tubes so as to cool the exhaust gas. At least one supporting member is attached to at least one of the collector boxes, a force produced by the thermal expansion of the exchanger tubes being passed into the supporting member.

Abstract: A heat exchanger is provided that includes plate pairs stacked one above the other. A first flow chamber is formed between the two plates of a plate pair by conducting a first fluid therethrough, a second flow chamber for conducting a second fluid therethrough, wherein the second flow chamber is formed between two adjacent plate pairs, an inlet opening for introducing the first fluid, and an outlet opening for discharging the first fluid. The plates have at least one expansion opening, in particular at least one expansion slit, for reducing stress in the plates. The heat exchanger can withstand high thermal and mechanical loads even over a long time period, such as 10 years.

Abstract: An exhaust gas cooler for a motor vehicle is provided that includes a first collector box on an inlet side and a second collector box on an outlet side, and a plurality of exchanger tubes extending between the collector boxes for exhaust gas to flow through. Air can flow around the exchanger tubes so as to cool the exhaust gas. At least one supporting member is attached to at least one of the collector boxes, a force produced by the thermal expansion of the exchanger tubes being passed into the supporting member.