Abstract: A humidifier comprising a wound portion wrapped around a central axis and comprising enclosures, a first one the enclosures comprising a first pair of semipermeable membranes separated by a first spacer layer to form one among wet-gas channels, and a second one of the enclosures comprising a second pair of semipermeable membranes separated by a second spacer layer to form one among dry-gas channels. The dry-gas channels are configured to receive a dry gas through at least part of a first frontal area of the wound portion and in an axial direction along the dry-gas channels. The wet-gas channels are configured to receive a wet gas through at least part of a second frontal area of the wound portion and in the axial direction along the wet-gas channels, the second frontal area being opposite to the first frontal area.

Abstract: A humidifier stack for a humidifier device includes frame plates following each other in a stacking direction in a plate stack including a dry gas channel and a moist gas channel, and a membrane separating the dry gas channel and the moist gas channel, the membrane enabling a moisture transfer from a fluid flow being guided in the moist gas channel to a fluid flow being guided in the dry gas channel. The humidifier stack further includes an at least partially circumferentially extending seal fixedly connected to the membrane, the at least partially circumferentially extending seal including flow channel seal sections disposed along circumferential edges of a moisture transfer surface of the membrane at a first surface of the membrane.

Abstract: A stack plate device for a humidifier for a fuel cell system includes first stack plates and second stack plates being stacked one on top of each other alternately in a stacking direction, top sides of the first stack plates facing bottom sides of the second stack plates, top sides of the second stack plates facing bottom sides of the first stack plates, and each of the first stack plates and the second stack plates comprising a peripheral frame that encloses a through-opening and has an inflow region and an outflow region. First flow channels and second flow channels are formed in the first stack plates and the second stack plates and formed transversely to one another, the first flow channels and second flow channels being separated by moisture-permeable layers.

Abstract: A valve has a valve housing with a valve seat and a valve body holder with a fluid-permeable flow opening. A valve body is arranged in the valve body holder and axially displaceable between an open state and a closed state of the valve. The valve body has an envelope surface with a sealing region for fluid-tightly contacting the valve seat in the closed state. It has a base region adjoining the sealing region in longitudinal direction. A cross section contour of the envelope surface increases monotonously from the sealing region to the base region. In the open state, an axial end of the base region contacts the valve body holder. The envelope surface has a weakened region connecting sealing region and base region to each other. The weakened region has a reduced stiffness along the longitudinal direction. The valve body is formed of a thermoplastic polyhalogen olefin.

Abstract: A pipe component has a casing embodied as a folded bellows with folds. A tubular support body has an outer circumference and a length extension in a direction of a center line of the tubular support body. The tubular support body is embedded in the casing and supports the casing. The tubular support body has at least one stabilization element and the at least one stabilization element has segments that are axially spaced apart and at least partially extend circumferentially. The segments are connected by one or a plurality of hinges, respectively, along the length extension of the tubular support body. The hinges are arranged in the folds of the folded bellows of the casing.

Abstract: A valve has a valve housing with a valve seat and a valve body holder with a fluid-permeable flow opening. A valve body is arranged in the valve body holder and axially displaceable between an open state and a closed state of the valve. The valve body has an envelope surface with a sealing region for fluid-tightly contacting the valve seat in the closed state. It has a base region adjoining the sealing region in longitudinal direction. A cross section contour of the envelope surface increases monotonously from the sealing region to the base region. In the open state, an axial end of the base region contacts the valve body holder. The envelope surface has a weakened region connecting sealing region and base region to each other. The weakened region has a reduced stiffness along the longitudinal direction. The valve body is formed of a thermoplastic polyhalogen olefin.

Abstract: A pipe component has a casing embodied as a folded bellows with folds. A tubular support body has an outer circumference and a length extension in a direction of a center line of the tubular support body. The tubular support body is embedded in the casing and supports the casing. The tubular support body has at least one stabilization element and the at least one stabilization element has segments that are axially spaced apart and at least partially extend circumferentially. The segments are connected by one or a plurality of hinges, respectively, along the length extension of the tubular support body. The hinges are arranged in the folds of the folded bellows of the casing.

Abstract: A pulsation damper (1) for damping pressure pulsations of a fluid is insertable into the fluid line as intermediate piece by forming an axial flow channel (3), and the pulsation damper (1) featuring a housing (2). The pulsation damper (1) is characterized by the fact that the housing (2) has at least one hollow space (23) communicating with the flow channel (3) and in which at least one attenuator (4) is disposed movably in axial direction.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A pulsation damper (1) for damping pressure pulsations of a fluid is insertable into the fluid line as intermediate piece by forming an axial flow channel (3), and the pulsation damper (1) featuring a housing (2). The pulsation damper (1) is characterized by the fact that the housing (2) has at least one hollow space (23) communicating with the flow channel (3) and in which at least one attenuator (4) is disposed movably in axial direction.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A filtering device for filtering liquids in internal combustion engines has a filter housing and a filter element inserted into the filter housing. A cover disk closes off the filter housing. The cover disk consists of two individual disks and a central flow connection connects the two individual disks. The two individual disks and the flow connection form a common plastic component.

Abstract: A method of stimulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A method of simulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.

Abstract: A switching drum seal (1) for a switching drum (11) for sealing an intake pipe in an intake manifold system of a multi-cylinder internal combustion engine, having two spaced-apart, circumferentially extending circumferential sealing sections (2) with circumferential sealing surfaces (3) and two spaced-apart, axially extending axial sealing sections (4) with axial sealing surfaces (5) and having at least one resilient element (7) to impart resilience to at least one circumferential sealing section (2) perpendicular to its circumferential sealing surface. The resilient element (7) extends in a region between the switching drum (11) and one of the circumferential sections (2) and is supported on the switching drum (11).

Abstract: A switching drum seal (1) for a switching drum (11) for sealing an intake pipe in an intake manifold system of a multi-cylinder internal combustion engine, having two spaced-apart, circumferentially extending circumferential sealing sections (2) with circumferential sealing surfaces (3) and two spaced-apart, axially extending axial sealing sections (4) with axial sealing surfaces (5) and having at least one resilient element (7) to impart resilience to at least one circumferential sealing section (2) perpendicular to its circumferential sealing surface. The resilient element (7) extends in a region between the switching drum (11) and one of the circumferential sections (2) and is supported on the switching drum (11).

Abstract: A method of simulating a deformable object comprises modeling deformable elasticity for the object by defining an actual shape and a goal shape and pulling points in the goal shape towards corresponding points in the goal shape.