Abstract: A heatable fluid line having a pipeline and an electrical heat conductor extending at least over a section of the pipeline. The pipeline has at least two longitudinal sections that are configured differently in respect of the material properties and/or design thereof. At least one first longitudinal section is formed of a first material and a second longitudinal section is formed of a second material. The material of the second longitudinal section is more flexible and/or has a higher resilience than the material of the first longitudinal section. A described method for producing the fluid line relates to an adaptive attachment of the heat conductor on the outside of the pipeline that permits the heat conductor to be wound around fluid coupling and/or connector parts, in particular the housings by means of which the line is assembled, without strand separation.

Abstract: A preassembled line for axial engagement with a mating coupling part. The preassembled line includes a line connector having of a connector body with a connecting portion to which a media line is connected and also includes a coupling portion with sealing means for sealing relative to the mating coupling part. The media line is provided with a heating wire arranged on the coupling portion. The connector body, the media line and the heating wire being surrounded at one end by a housing that has a latching part for connecting with the mating coupling part. The latching part is formed on the housing portion surrounding the coupling portion. Sealing of the preassembled media line to the mating coupling part is separated from connecting of the preassembled media line to the mating coupling part and separately performed by the connector body and the housing.

Abstract: The present invention relates to a connection device (1) for at least one media line (2), such as for a urea-water solution for exhaust gas after-treatment in a motor vehicle having an internal combustion engine. The connection device comprises a connection part (4) having a socket (6) for the circumferentially sealed insertion of a line-side plug section (8), and retention means (10) for locking the inserted plug section (8) in place to prevent detachment. The retention means (10) is configured in such a way that starting from a normal operating position the inserted and locked plug section (8) can be moved over a specific travel path relative to the connection part (4) in opposition to a return force (F), in order to enlarge an internal volume inside the connection part (4) to which the medium is admitted.

Abstract: The present invention relates to a preassembled media line with a line connector, composed of a connector body with a connecting portion to which a media line is connected, and with a coupling portion for sealed connection to a mating coupling part. In this arrangement, the media line is provided with a heating wire and said heating wire is continued from the connector body and the media line, when connected, in such a manner that it is arranged at least partially on the coupling portion. The connector body and the media line are surrounded at the end by a housing formed, in particular, from housing shells, the sealing function and a retaining function being divided between the housing and the connector body.

Abstract: The present invention relates to a line connector for media lines, consisting of a connector piece with at least one junction portion for junction connection to a media line or to an assembly and with a transitional portion contiguous to the junction portion and having a flow duct. In this case, at least in the region of the transitional portion, electrical heating means are provided in an arrangement at least partially surrounding the flow duct. Furthermore, the invention relates to a ready-made media line consisting of a pipeline with a heating conductor arranged on the circumference and with a heatable line connector fastened at least to one pipeline end of the media line.

Abstract: For a heatable medium pipe having at least one pipe connector and heating element, wherein the heating element has a few wires, in particular one or two wires, wherein the wire(s) extend continuously along the medium pipe and along the at least one pipe connector. In a method for producing a heatable medium pipe, comprising the medium pipe, at least one pipe connector, a transition area between the medium pipe and the pipe connector, and at least one heating element, wherein the heating element has a few wires, in particular one or two wires, the medium pipe is pre-assembled with the at least one pipe connector, the wire or the few wires of the heating element are pre-assembled as a double-laid, one or two-part element or as an element connected to form a continuous part, the wire(s) are fastened on the outside of the pipe connector, transition area and medium pipe, and the ends of the wire(s) are guided into a feed-in connector for connecting to a current source or voltage source.

Abstract: A heatable medium pipe having at least one pipe connector and heating element, wherein the heating element has a few wires, in particular two wires, and said wires extend continuously along the medium pipe and along the at least one pipe connector.

Abstract: The present invention relates to a connection device (1) for at least one media line (2), such as for a urea-water solution for exhaust gas after-treatment in a motor vehicle having an internal combustion engine. The connection device comprises a connection part (4) having a socket (6) for the circumferentially sealed insertion of a line-side plug section (8), and retention means (10) for locking the inserted plug section (8) in place to prevent detachment. The retention means (10) is configured in such a way that starting from a normal operating position the inserted and locked plug section (8) can be moved over a specific travel path relative to the connection part (4) in opposition to a return force (F), in order to enlarge an internal volume inside the connection part (4) to which the medium is admitted.

Abstract: The invention provides for a plug-in connector (1) for medium conduits comprising a plug-in part (4) sealingly introducible by a plug shank (6) into the receiving opening (16) of a connector counterpart (2) which is sealingly closable by latching means (18) for preventing the pull out thereof. For this purpose, a locking element (34) is movably connected to the plug-in part (4) in such a way that it locks the latching means (18) in a safety unscrewing-preventing position and releases in the unscrewing position for carrying out an unscrewing movement for freeing from locking.

Abstract: The present invention relates to a line connector for media lines, consisting of a connector piece with at least one junction portion for junction connection to a media line or to an assembly and with a transitional portion contiguous to the junction portion and having a flow duct. In this case, at least in the region of the transitional portion, electrical heating means are provided in an arrangement at least partially surrounding the flow duct. Furthermore, the invention relates to a ready-made media line consisting of a pipeline with a heating conductor arranged on the circumference and with a heatable line connector fastened at least to one pipeline end of the media line.

Abstract: The present invention relates to an electrically heatable media line (1), comprising a fluid line (2) and at least one fluid connector (4) connected to a line end (2a). The fluid line (2) and the fluid connector (4) respectively have electric heating means (6, 10), wherein the fluid line (2) and/or the fluid connector (4) including electric connections (16) of the heating means (6, 10) are/is enclosed by a plastic molding compound.

Abstract: The present invention relates to a preassembled media line with a line connector, composed of a connector body with a connecting portion to which a media line is connected, and with a coupling portion for sealed connection to a mating coupling part. In this arrangement, the media line is provided with a heating wire and said heating wire is continued from the connector body and the media line, when connected, in such a manner that it is arranged at least partially on the coupling portion. The connector body and the media line are surrounded at the end by a housing formed, in particular, from housing shells, the sealing function and a retaining function being divided between the housing and the connector body.

Abstract: The invention relates to a plug-in connector (1) for medium conduits comprising a plug-in part (4) sealingly introducible by means of a plug shank (6) into the receiving opening (16) of a connector counterpart (2) which is sealingly closable by means of latching means (18) for preventing the pull out thereof. For this purpose, a locking element (34) is movably connected to the plug-in part (4) in such a way that it locks the latching means (18) in a safety unscrewing-preventing position and releases in the unscrewing position for carrying out an unscrewing movement for freeing from locking.

Abstract: A latchable line connector having a plug-in part for connecting at least one pressure or flow line, such as a fuel line, into a plug-in opening of a connector counterpart. Mechanical stress between the plug-in part and the connector counterpart is reduced by resilient latching arms that grip around and behind the plug-in part in the plugged-in position and thereby latch it relative to the connector counterpart in a manner secure against tilting and twisting.

Abstract: A latchable line connector having a plug-in part for connecting at least one pressure or flow line, such as a fuel line, into a plug-in opening of a connector counterpart. Mechanical stress between the plug-in part and the connector counterpart is reduced by resilient latching arms that grip around and behind the plug-in part in the plugged-in position and thereby latch it relative to the connector counterpart in a manner secure against tilting and twisting.