Abstract: A control flap assembly for a gas flow in a fuel cell system, in particular in a vehicle, includes a control flap housing providing a gas flow channel, and a control flap with a disk-like control flap body which can be adjusted in the control flap housing between a closed position preventing a gas flow through the gas flow channel and at least one open position opening up the gas flow channel for a throughflow. A control flap seat is provided on the control flap housing, and a sealing region bearing against the control flap seat in the closed position of the control flap is provided on the control flap. The sealing region includes resilient sealing material on an external peripheral region of the control flap body.

Abstract: A hydrogen storage assembly, in particular for a fuel cell system in a vehicle, includes at least one hydrogen tank for storage of liquid hydrogen and at least one hydrogen sorption/catalyst unit for sorption and catalytic conversion of gaseous hydrogen released from the at least one hydrogen tank. Also, a fuel cell system includes the hydrogen storage assembly.

Abstract: A butterfly valve assembly includes a butterfly valve housing which provides a gas flow channel and a butterfly valve adjustable in the butterfly valve housing between a closed position and an open position for a passage of flow. The butterfly valve assembly has a disk-shaped butterfly valve element supported on a pivot shaft rotatable about a pivot shaft axis. The pivot shaft has a first pivot shaft end portion provided for coupling to a pivot shaft drive, and in a first bearing region being supported rotatably about the pivot shaft axis on the housing, and a second pivot shaft end portion, in a second bearing region being supported rotatably about the pivot shaft axis on the housing. At least one bearing region includes a bearing unit rotatably supporting the pivot shaft. A seal is supported in the bearing unit and lies against an outer peripheral surface of the pivot shaft.

Abstract: A butterfly valve assembly includes a butterfly valve housing defining a channel for accommodating a flow of gas therethrough. The assembly includes a butterfly valve adjustable in the housing between a closed position preventing the flow of gas through the channel and an open position opening up the channel for allowing passage of the flow of gas. A pivot shaft is rotatable about a pivot shaft axis and has first and second pivot shaft end portions corresponding to first and second bearing regions. A disk-shaped butterfly valve element is supported on the pivot shaft. At least one of the first and second bearing regions includes a bearing unit rotatably supporting the pivot shaft. The pivot shaft has an outer peripheral surface. At least one seal is subject to an axial load by the bearing unit and lies against the outer peripheral surface of the pivot shaft.

Abstract: A connection unit for connecting an electrical supply line to an exhaust gas heater of an exhaust system of an internal combustion engine includes an electrically conductive connection element. The connection element has a heater connection region in a first end region and a supply line connection region in a second end region. A carrier has a receiving opening, wherein the connection element is arranged and has a support region. A first insulating element is arranged in the opening and surrounds the support region. A second insulating element is arranged on a first end face of the carrier. The connection element is supported with respect to the first end face via the second insulating element. A third insulating element is arranged on a second end face of the carrier. The connection element is supported with respect to this second end face via the third insulating element.

Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement and a heat conductor arrangement which is carried on the carrier arrangement and which has at least one heat conductor through which current flows. At least one heat conductor is carried with respect to the carrier arrangement via at least one carrier arrangement support unit in an electrically insulated manner. At least one carrier arrangement support unit includes a carrier arrangement support element having a curved support face.

Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement, a heating conductor arrangement which is supported on the carrier arrangement and has at least one current-carrying heating conductor, and a connecting arrangement for the fixed connection of the heating conductor arrangement to the carrier arrangement. The heating conductor arrangement is supported on the carrier arrangement in an electrically insulated manner via the connecting arrangement. The connecting arrangement includes a plurality of connecting elements, the heating conductor arrangement being supported on at least one connecting element via an insulating carrier unit in an electrically insulated manner with regard to the at least one connecting element.

Abstract: A fuel-cell exhaust system for a fuel-cell arrangement, in particular in a vehicle, includes a fuel-cell exhaust line through which fuel-cell exhaust gas can flow and a condenser having a condenser body through which the fuel-cell exhaust gas can flow. With the condenser, liquid is condensed out of the fuel-cell exhaust gas. A liquid separator is arranged downstream of the condenser.

Abstract: A fuel-cell exhaust arrangement for a fuel-cell system includes an exhaust line, through which exhaust gas can flow, and a muffler through which the exhaust gas can flow. The muffler includes a housing with an inlet region for exhaust gas and with an outlet region for exhaust gas. An upstream line section of the exhaust line adjoins the inlet region for exhaust gas. A downstream line section of the exhaust line adjoins the outlet region for exhaust gas. At least one muffler chamber is formed in the housing. A base of the housing separates at least one liquid-collecting chamber from at least one muffler chamber. At least one liquid-passage opening connecting at least one muffler chamber to at least one liquid-collecting chamber for exchanging liquid is provided in the base. At least one liquid-discharging opening for discharging liquid from the at least one liquid-collecting chamber is provided on the housing.

Abstract: A fuel cell exhaust gas arrangement for a fuel cell system includes a fuel cell exhaust gas line through which fuel cell exhaust gas can flow, and a separating unit through which the fuel cell exhaust gas can flow. The separating unit includes an upstream line portion of the fuel cell exhaust gas line through which the fuel cell exhaust gas can flow in a main exhaust gas flow direction. A downstream line portion of the fuel cell exhaust gas line adjoins the upstream line portion in an opening region. A first liquid outlet opening in the opening region is provided to outlet liquid from the fuel cell exhaust gas flowing through the fuel cell exhaust gas line. A swirl flow generating unit is provided in the upstream line portion.

Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement, a heating conductor arrangement which is supported on the carrier arrangement and has at least one current-carrying heating conductor, and a connecting arrangement for the fixed connection of the heating conductor arrangement to the carrier arrangement. The heating conductor arrangement is supported on the carrier arrangement in an electrically insulated manner via the connecting arrangement. The connecting arrangement includes a plurality of connecting elements, the heating conductor arrangement being supported on at least one connecting element via an insulating carrier unit in an electrically insulated manner with regard to the at least one connecting element.

Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement and a heat conductor arrangement which is carried on the carrier arrangement and which has at least one heat conductor through which current flows. At least one heat conductor is carried with respect to the carrier arrangement via at least one carrier arrangement support unit in an electrically insulated manner. At least one carrier arrangement support unit includes a carrier arrangement support element having a curved support face.

Abstract: A connection unit for connecting an electrical supply line to an exhaust gas heater of an exhaust system of an internal combustion engine includes an electrically conductive connection element. The connection element has a heater connection region in a first end region and a supply line connection region in a second end region. A carrier has a receiving opening, wherein the connection element is arranged and has a support region. A first insulating element is arranged in the opening and surrounds the support region. A second insulating element is arranged on a first end face of the carrier. The connection element is supported with respect to the first end face via the second insulating element. A third insulating element is arranged on a second end face of the carrier. The connection element is supported with respect to this second end face via the third insulating element.

Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement and a heating conductor arrangement carried on the carrier arrangement. The heating conductor arrangement has at least one heating conductor. At least one carrier-arrangement supporting unit is provided for carrying the heating conductor in an electrically insulated manner with respect to the carrier arrangement. The carrier-arrangement supporting unit includes at least one of the following: an insulating coating applied to the carrier arrangement; and, an insulating coating applied to the heating conductor supported on the carrier arrangement via the carrier-arrangement supporting unit.

Abstract: The invention relates to a glow plug for a diesel engine, said glow plug comprising a ceramic glow pencil, which has a heating portion, and a housing, from which the glow pencil protrudes, wherein the glow pencil has a ceramic inner conductor, an insulation layer surrounding the inner conductor, and a ceramic outer conductor layer arranged on the insulation layer. In accordance with this disclosure, the outer conductor layer in the heating portion only partially covers the insulation layer.

Abstract: A glow plug includes a ceramic glow pencil, a protective sleeve from which the glow pencil protrudes, and a housing from which the protective sleeve protrudes. The protective sleeve is fastened to the glow pencil via a holding element which is disposed outside of the housing and is soldered to the glow pencil. The ceramic glow pencil includes a substantially cylindrical inner conductor disposed along a length of a distal end of the ceramic glow pencil, an insulating layer disposed over the inner conductor, and an outer conductive layer disposed over the insulating layer, wherein the outer conductive layer is connected to the inner conductor at the distal end of the ceramic glow pencil.

Abstract: Composite conductor comprising a metallic conductor and a ceramic conductor or non-conductor, at least one of them being elongate, the two being connected with each other in an electrically conductive manner. The ceramic conductor or non-conductor and the metallic conductor are hard-soldered to each other by a contact surface extending obliquely to the longitudinal direction of the at least one elongate conductor, and has one of the conductors tapers at its end and the other conductor has a matching tapering recess. The tapering end of the conductor is fitted into the tapering recess.

Abstract: The invention relates to a glow plug for Diesel engines, comprising a housing, a heater rod, which is movable in the housing in axial direction and projects from the housing at a forward end, and a pressure measuring device for measuring a combustion chamber pressure exerted on the heater rod. It is provided according to the invention that a housing chamber is filled with a substance having or achieving liquid to paste-like consistency at temperatures occurring during operation and conducting heat generated by the heater rod to the housing.

Abstract: The invention relates to a glow plug comprises a ceramic glow pencil, a protective sleeve from which the glow pencil protrudes, a housing from which the protective sleeve protrudes. According to the invention, the protective sleeve is fastened to the glow pencil via a holding element which is disposed outside of the housing and is soldered to the glow pencil.

Abstract: The invention relates to a glow plug for Diesel engines, comprising a housing, a heater rod, which is movable in the housing in axial direction and projects from the housing at a forward end, and a pressure measuring device for measuring a combustion chamber pressure exerted on the heater rod. It is provided according to the invention that a housing chamber is filled with a substance having or achieving liquid to paste-like consistency at temperatures occurring during operation and conducting heat generated by the heater rod to the housing.