Abstract: A multipart heatable media line including at least two sub-media lines, at least one heating element for heating the sub-media lines, at least one line connection device with connection sections for connecting to the sub-media lines, and at least one measuring device. The line connection device has at least one medium channel for conducting the medium through the line connection device from one connection section to the at least one other connection section, and the measuring device including at least one sensor element and is received in a line connection device receiving opening which is designed as a coupling portion.

Abstract: An assembled heatable media line having a media line having at least two heating elements arranged on the exterior of the media line and at least one line connector. In order to heat the at least one line connector, only one of the heating elements is arranged at or on said line connector and at least partially surrounds the same.

Abstract: A line connector for a fluid, in particular a urea solution, including a connecting piece with an interior flow-through channel extending in the longitudinal direction of the connecting piece. The connecting piece includes at each of its two ends a coupling section designed such that a flexible media line or a tubing or an aggregate can be connected to an aggregate connector. The flow-through channel is also provided with an electrical heating unit. In the region of the flow-through channel, between the connecting sections, an enclosed perimeter receiving housing is formed on the coupling piece, in which an optical sensor unit is disposed for measuring of properties of the fluid flowing in the flow-through channel. A ready-made media line, including a tubular or hose-like media line and a line connector connected on one or both sides to this media line is also disclosed.

Abstract: A line connector with two mutually separate flow paths for the connection of a pipe-in-pipe line. The line connector has an inner connecting element for connecting to an inner pipe of the pipe-in-pipe line, an outer connecting element for connecting to an outer pipe of the pipe-in-pipe line, a first attachment element for attachment of the first line to the inner pipe, and a second attachment element for attachment of the second line to the outer pipe. The inner connecting element and the first attachment element are integrally formed on a separate attachment part. The outer connecting element is integrally formed on a separate pipe adapter part. And, the second attachment element is integrally formed on a separate connecting sleeve. The connecting sleeve permits at both sides, in the unassembled state, being pushed over the outer pipe. The invention also relates to a line set including the line connector.

Abstract: A plug-in connector assembly for connecting at least one fluid line to another fluid line or to an aggregate connection. The plug-in connector assembly includes, a housing, a mating plug-in connector and an adapter sleeve. The mating plug-in connector and the adapter sleeve are received within a sleeve section of the housing, with the adapter sleeve operating to attach the mating plug-in connector to the housing in a releasable manner.

Abstract: A multi-line plug connector for connecting two heated fluid lines by way of a single connecting operation, including a female plug component which is connected with a male plug component. Each plug component includes a fluid connection and two electrical connections. Each plug component also includes an inner space in which a spectacle component is housed. The spectacle component has two guide channels for receiving electrical lines equipped with electrical contacts. The guide channels are connected with one another by a bridge that is fastened with a latching mechanism that secures the spectacle component against displacement along and/or obliquely to the coupling axis. The spectacle component receives a tubular fluid connector, connected with the spectacle component with form-fit and/or friction-fit, whereby the tubular fluid connector can be connected on one end to the heated fluid line and on the opposite end the fluid connector.

Abstract: A holding element for a terminal connector, having at least one socket part and at least one plug part, wherein the plug part can be inserted or is inserted in a socket portion of the socket part. The holding element can be plugged or is plugged onto the plug part for detachably holding the plug part in the socket part. The holding element has a holding element body, holding arms having latching lugs that are directed inwards with respect to the holding element, holding arms having latching lugs that are directed outwards with respect to the holding element, and axially on both sides, has an uninterrupted, continuous edge on the end side. The holding arms each have a free end that is spring-elastically movable in the radial direction, and an end opposite thereof that is fixed to the holding element body.

Abstract: A connector, having a socket part and a plug part being insertable into a socket section of the socket part, wherein the plug part is provided with a retaining element for detachably retaining the plug part in the socket part, the retaining element having a retaining arm with at least one outwardly projecting engaging catch, a free end, and an end secured to the retaining element body and can be spring-elastically moved in the radial direction in relation to the plug part for blocking the engaging catch on a blocking surface or a blocking opening of the socket part and releasing it from same, and a locking device being provided for securing the blocking status of the plug part and socket part and for indicating an incorrect assembly thereof, the locking device cooperating with the retaining element, and being a radially insertable locking element that cooperates with the retaining element in the region of the retaining arm thereof

Abstract: A heating system for a fluid pipe system in which at least one electric heating element (RL) is assigned to at least one fluid line, said heating element, in order to apply a predetermined heating output to the fluid line, being provided with an electric operating voltage (UB) that is reduced compared to the supply voltage (U).

Abstract: A plug-type connector for media lines having a coupling part into which a plug part can be inserted. The plug part can be retainingly engaged in the coupling part by a retaining clip that has at least two pairs of spring arms. The clip can be premounted on the coupling part by latching of the spring arms. The clip is U-shaped wherein legs of the U-shape form the two pairs of spring arms, which pairs are arranged one behind the other in the longitudinal direction and are separated by a slot and are elastic in the radial and axial directions. The first pair of the spring arms interlockingly blocks the plug part against being pulling out of the coupling part, and the second pair of spring arms holds the retaining clip captively in the coupling part in pre-assembly and assembly positions.

Abstract: A hose-line connector, with a connection part having at least one elongated hose connection for slipping a hose line onto the hose connection. The hose connection has a sealing segment having a circumferential sealing surface at a free front end and a retaining segment axially adjacent thereto as a clamping region for the circumferential radial clamping of a hose line. On the outer circumference of the retaining segment, the retaining segment has a radially protruding rib structure, which includes at least one circumferential rib in the form of an annular ridge and at least two longitudinal rib distributed about the circumference and extending axially or at an angle to the axial direction.

Abstract: A heatable line pipe useful for diesel fuel systems and fuel cell systems is provided. The heatable line pipe comprises in order from an inside of the pipe: a) an electrically insulating inner layer; b) a first electrically conductive layer; c) at least two current leads wound spirally around the first electrically conductive layer; d) a second electrically conductive layer over the at least two current leads forming a surface; and e) an outer cladding of an electrically insulating plastic material. The thickness of the second electrically conductive layer is 0.1 to 1.5 mm, and the at least two current leads form wave peaks in the surface of the second electrically conductive layer. The line pipe has the advantage that a fall in heating performance over the lifetime is effectively prevented.

Abstract: A connection device for pipe lines includes a connection element that has a receiving opening for a pipe line and a retainer element that stops the pipe line from being pulled out. The retainer element is designed as a spring-elastic toothed ring that has teeth distributed across a circumference and which extend radially inward at an incline and act against the pipe line. The toothed ring is mounted to have limited axial play. At the transition region between an outer circumferential region and the retainer teeth, the toothed ring interacts with a circumferential tilt edge such that the toothed ring can pivot about the tilt edge out of a position in which its outer circumferential region is pressed against a first, lower contact section and a second, upper contact section. The retainer teeth being able to be elastically deformed by bending.

Abstract: A heatable media line having at least one media line with two connector ends, in particular line connectors, and at least two electrical heating elements. At least one element is provided by which a differentiated heat input and/or output is enabled or provided for at both connector ends of the heatable media line.

Abstract: The invention relates to an SCR line for treatment of exhaust from an internal combustion engine and including a first hose to carry a reducing agent, a second hose to carry a tempering agent and a pipe enclosing the two hoses. The two hoses are arranged in the pipe so as to run side by side in parallel. Each of the same-side ends of the first hose and of the pipe are connected to a reducing agent coupling housing. The ends of the second hose are each connected to a tempering agent coupling part separate from the reducing agent coupling housing. At least one of the reducing agent coupling housings has a through-opening at the outer perimeter. The second hose runs from the interior of the pipe through the through-opening to the outside. Furthermore, the invention relates to an SCR line bundle with an SCR line.

Abstract: A line connector for media lines including a fluid connector having at least one connection section for terminal connection to a fluid line and having a transition section with an inner fluid channel adjoining the connection section. An electric heating element is provided at least in certain areas. The fluid connector is encased by encapsulation at least in the region of the heating element. The encapsulation has a branch for an electric supply conductor for the heating element. A ready-made media line includes the above mentioned line connector and an attached fluid line.

Abstract: A connecting device for media lines, having a housing part, which is formed in two parts from a receiving part for plug connection of a media line and from a connecting part for connecting the housing part to a unit or an additional media line. The connecting part is connected to the receiving part via a coaxial rotationally symmetrical plug connection with form-fitting engagement and with a peripherally closed line progression. The connecting part is inserted with an insertion projection into a plug receptacle of the receiving part, wherein the insertion projection reaches with a radially outward protruding catch step in a form-fitting manner behind a radial undercut surface inside of the plug receptacle.

Abstract: A plug connection (1) for fluid lines, with two intermateable coupling parts (2, 3), which in an inserted state can be releasably locked via a locking device (4) consisting of two outer radial flange-like retaining ribs (21, 31) of the two coupling parts (2, 3), which are adjacent in an insertion direction (S) and axial (X-X) in inserted state and a retaining part (5) with an annular contour, which in preassembled state can be axially and radially fixed and undetachably assembled on one of the two coupling parts (3) and in an assembled state axially and radially encompasses the retaining ribs (21, 31) of the two coupling parts with at least one radially elastically moving retaining section (53) with a C-shaped axial section having two collars (51, 52). The plug connection incorporates features to ensure the undetachability of the retaining part (5) and minimize the space requirement, in particular during disassembly.

Abstract: A construction system for a connection arrangement for media lines, wherein the connection arrangement has a connection body with a receiving opening for a media line and with internal parts for interacting with the media line and providing axial guidance, mechanical locking to prevent detachment, peripheral sealing and, where applicable, internal radial support. Various internal parts can optionally be inserted into the connection body, which is designed to be identical in respect of the internal contour of the receiving opening, and for a particular maximum external line diameter, in order to adapt to at least two dissimilar media lines having different cross-sectional dimensions. The internal parts are adapted, on the one hand, to the permanently identical internal contour of a receiving opening of the connection body and, on the other hand, to the cross-sectional dimension of one of the dissimilar media lines.

Abstract: An at least partially heatable line-connector for a media line which can be heated, the line-connector at least partially including a thermally-conductive or thermally-conducting material, with a heating system and/or heating elements being associated outside the body of the line-connector. An assembled media line with at least one heatable media line is provided with at least one such at least partially heatable line-connector.