Abstract: In a multiple-layer electrically heatable medium line having a medium-resistant inner layer, a heating layer which is provided with at least two conductors or heating conductors, and an outer layer, the layers of the medium line are single-layer or multiple-layer, and the conductors or heating conductors are embedded within the heating layer such that they are coiled in the longitudinal direction of the medium line, in a radially and/or axially predefined position.

Abstract: An assembled media line, or a section of a media line, for connecting a tank to a dosing unit in order to add a reducing agent into a SCR catalyst system of an internal combustion engine. The fluid line has electric heating in some sections for heating of the fluid. The fluid line is additionally provided, at least in some areas, with fluid tempering. In use, the media line connects a tank to a dosing unit in order to add a reducing agent in a SCR catalyst system of an internal combustion engine, and wherein the engine coolant is used as tempering fluid. The tempering is achieved by inclusion of at least one tempering line running alongside the fluid line. A line connector for such a media line includes a connecting housing in which the fluid line and two tempering lines can be connected.

Abstract: A line connector having a connector piece with at least one junction portion for junction connection to a media line or to an assembly, a transitional portion contiguous to the junction portion, and a flow duct. In at least the region of the transitional portion, an electrical heating element for the media line is provided in an arrangement at least partially surrounding the flow duct. The connector piece, together with the heating element, is surrounded by an outer cladding. At least one of the junction portions is designed as a hollow, cylindrical receptacle for directly plugging in the end of the media line, the media line being capable of being fastened in a materially integral manner. The junction portion including, at least in regions, a material transparent to laser beams in such a way that the media line can be fastened by way of laser welding.

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 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: 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 a system for controlling the temperature of a fluid additive for an exhaust system of an internal combustion engine. The system has means for exchanging heat between the additive and a refrigerant circuit of a refrigerant system. The fluid additive is preferably a NOx-reducing additive, in particular a urea-water solution, for an SCR catalytic converter system of a motor vehicle. Here, a direct or indirect exchange of heat may be provided between the refrigerant circuit of the refrigerant system, specifically in particular of a vehicle air conditioning system, and the additive.

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: In a climate control system for a vehicle having at least one refrigerant circuit, at least one temperature control circuit for controlling the temperature of a vehicle interior, and at least one vehicle component, in particular of an electric vehicle or hybrid vehicle, at least one device for absorbing heat from the temperature control circuit and at least one device for releasing heat to the temperature control circuit are provided. In a method for controlling the temperature of vehicle components using at least one refrigerant circuit and at least one temperature control circuit, heat is absorbed from the temperature control circuit into the refrigerant circuit on the low-pressure side of the refrigerant circuit, and heat is released to the temperature control circuit by the refrigerant circuit on the high-pressure side of the refrigerant circuit.

Abstract: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft, the compressor unit comprising pistons, which move axially back and forth in a cylinder block, and a tilt plate 10 (tilt ring; wobble plate or swash plate), which drives the pistons and rotates together with the drive shaft, wherein the tilt plate 10 or a tiltable part thereof associated therewith has locations 14, 15 of reduced amassing of material and/or locations which consist of a material which is different from the material from which the rest of the tilt plate 10 or tiltable part thereof is made, those locations bringing about a specific effect on the regulation behavior of the compressor in such a way that in a region of small tilt angles of the tilt plate 10 or tiltable part thereof, especially in a tilt angle range from 0° to 8°, especially 0° to 3°, a moment

Abstract: Axial piston compressor, especially for motor vehicle air-conditioning systems, having a tilt plate (2), especially a ring-shaped tilt plate, which is variable in terms of its inclination with respect to a drive shaft (1) and which is driven in rotation by the drive shaft (1) and is connected to—especially in articulated connection with—at least one supporting element (5) arranged at a spacing from the drive shaft (1) and rotating together therewith, the pistons in each case having an articulated arrangement with which the tilt plate (2) is in sliding engagement, and the supporting element (5) being arranged at the radially outer end of a force transmission element (6) which rotates together with the drive shaft (1) and is fixed in the latter in an approximately radial direction, wherein the force transmission element (6) is in rotatable and/or radially displaceable articulated connection with the supporting element (5).

Abstract: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft, the compressor unit comprising pistons, which move axially back and forth in a cylinder block, and a tilt plate 10 (tilt ring; wobble plate or swash plate), which drives the pistons and rotates together with the drive shaft, wherein the tilt plate 10 or a tiltable part thereof associated therewith has locations 14, 15 of reduced amassing of material and/or locations which consist of a material which is different from the material from which the rest of the tilt plate 10 or tiltable part thereof is made, those locations bringing about a specific effect on the regulation behaviour of the compressor in such a way that in a region of small tilt angles of the tilt plate 10 or tiltable part thereof, especially in a tilt angle range from 0° to 8°, especially 0° to 3°, a momen

Abstract: The present invention relates to a connecting device (1) for fluid mediums, in particular hydraulic fluid mediums, consisting of a plastic connecting element (2) having at least one connecting section (4) with a receiving opening (6) for a tubular conduit end (8) to be laser-welded. The connecting element (2) consists of at least two components (K1, K2) with different material properties, a first component (K1) surrounding the receiving opening (6) in the area of the connecting section (4) and consisting of a material that is substantially transparent to laser beams.

Abstract: The invention relates to a line connector (2) for media lines (1), composed of a fluid connector (4) having at least one attachment section (6) for attachment connection to a fluid line (8) and having a transition section (10) which adjoins the attachment section (6) and has an inner fluid duct (16). Here, electrical heating means (18) are provided at least in regions. The fluid connector (4) is surrounded at least in the region of the heating means (18) by a casing (22). The casing (22) has a branch (24) for electrical supply cables (26) for the heating means (18). The invention also relates to an assembled media line (1) composed of at least one line connector (2) according to the invention and of an attached fluid line (8) and in particular of a line sheathing (28).

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: Reciprocating compressor (100), in particular CO2 compressor for vehicle air-conditioning units, with a swivel disk (107), in particular annular in form, that is rotated by a drive shaft (104) and can be positioned at an adjustable angle with respect to the drive shaft (104), wherein said disk is connected in an articulated manner to a sliding sleeve (108) that can be moved axially along the drive shaft (104) as well as to at least one supporting element (109) so disposed that it is spaced apart from the drive shaft (104) and rotates therewith, and wherein each of the pistons (106) comprises a joint arrangement (110) with which the swivel disk (107) is in sliding engagement. The articulated connection (116) between drive shaft (104) and swivel disk (107) serves substantially only to transmit torque, whereas the supporting element (109) serves substantially only to provide axial support to the pistons (106) and hence to absorb the force exerted by the gas.

Abstract: Axial piston compressor, especially a compressor for motor vehicle air-conditioning systems, having at least one piston and having a tilt plate, especially a ring-shaped tilt plate, which is variable in terms of its inclination with respect to a drive shaft and which is driven in rotation by the drive shaft and is connected to—especially in articulated connection with—at least one supporting element arranged at a spacing from the drive shaft and rotating together therewith, the piston(s) having in each case an articulated arrangement with which the tilt plate is in sliding engagement, and the supporting element being in operative engagement with a force transmission element which rotates together with the drive shaft, wherein the supporting element is in articulated connection with the force transmission element so as to be displaceable in a radial direction and/or perpendicular thereto, especially perpendicular to the drive shaft axis.

Abstract: The present invention relates to a system for controlling the temperature of a fluid additive for an exhaust system of an internal combustion engine. The system has means for exchanging heat between the additive and a refrigerant circuit of a refrigerant system. The fluid additive is preferably a NOx-reducing additive, in particular a urea-water solution, for an SCR catalytic converter system of a motor vehicle. Here, a direct or indirect exchange of heat may be provided between the refrigerant circuit of the refrigerant system, specifically in particular of a vehicle air conditioning system, and the additive.