A line connector for media lines having a connecting piece with a flow channel, at least one connecting section for connection to a media line or unit, and at least one transition section adjacent to the connecting section. In order to prevent freezing of the respective medium at low temperatures in
A line connector for media lines having a connecting piece with a flow channel, at least one connecting section for connection to a media line or unit, and at least one transition section adjacent to the connecting section. In order to prevent freezing of the respective medium at low temperatures in the connecting area or to thaw a frozen medium, the line connector includes heating means arranged to at least partially enclose the flow channel. A fixing part, with elements for guiding and fixing the heating means, is provided on the connecting piece.
대표청구항▼
1. A line connector for media lines, comprising of a connecting piece having a flow channel and at least one connecting section for connection to a media line or to a unit, the connecting piece also having at least one transition section adjacent to the connecting section, the line connector also in
1. A line connector for media lines, comprising of a connecting piece having a flow channel and at least one connecting section for connection to a media line or to a unit, the connecting piece also having at least one transition section adjacent to the connecting section, the line connector also including a fixing port and heating means provided in an arrangement that at least partially encircles the flow channel, wherein the fixing part includes elements arranged on the connecting piece for guiding and/or fixing the heating means, wherein the connecting section is made at least partially of a material that is transparent to laser beams in such a way that the media line is attached by laser beam welding. 2. A line connector for media lines, comprising of a connecting piece having a flow channel and at least one connecting section for connection to a media line or to a unit, the connecting piece also having at least one transition section adjacent to the connecting section, the line connector also including a fixing port and heating means provided in an arrangement that at least partially encircles the flow channel, wherein the fixing part includes elements arranged on the connecting piece for guiding and/or fixing the heating means, wherein the fixing part is made from a spring elastic material that is at least one of expandable in a radial direction and compressible in an axial direction. 3. A line connector for media lines, comprising of a connecting piece having a flow channel and at least one connecting section for connection to a media line or to a unit, the connecting piece also having at least one transition section adjacent to the connecting section, the line connector also including a fixing port and heating means provided in an arrangement that at least partially encircles the flow channel, wherein the fixing part includes elements arranged on the connecting piece for guiding and/or fixing the heating means, wherein the heating means are provided on the fixing part in at least two zones having respectively different radial distances to the flow channel. 4. The line connector according to claims 1, 2 or 3, wherein the heating means has at least one heating wire provided in an arrangement with an approximately even surface distribution, and wherein the heating means runs circumferentially with respect to the flow channel. 5. The line connector according to claims 1, 2 or 3, wherein the fixing part is positioned in an area of the connecting section and the media line. 6. The line connector according to claims 1, 2 or 3, wherein the fixing part includes a centering mechanism for the media line in the form of one of an attachment piece and an area having a reduced diameter. 7. The line connector according to claims 1, 2 or 3, wherein the fixing part has a longitudinal notch at an inner circumference of a wall and configured to guide a section of the heating means. 8. The line connector according to claims 1, 2 or 3, wherein the fixing part has outwardly projecting ribs and groove-shaped recesses into which the heating means is received and fixed. 9. The line connector according to claims 1, 2 or 3, wherein the heating means is wound on the outside and encloses the connecting piece and the fixing part. 10. The line connector according to claims 1, 2 or 3, where at least one of the connecting sections is configured as a hollow cylindrical receiver for direct insertion of an end of the media line, and wherein the media line is attached in a firmly bonded manner, by one of gluing and welding. 11. The line connector according to claims 1, 2 or 3, wherein the connecting section includes a material which changes in particular at least one of its optical properties, brightness and surface structure as a result of a laser radiation. 12. The line connector according to claims 1, 2 or 3, wherein the fixing part has a longitudinal slot. 13. The line connector according to claims 1, 2 or 3, wherein the fixing part is clipped onto the connecting piece. 14. The line connector according to claims 1, 2 or 3, wherein the fixing part completely encircles the connecting piece in the manner of a collar. 15. The line connector according to claims 1, 2 or 3, wherein the fixing part is configured as a spirally corrugated pipe. 16. The line connector according to claims 1, 2 or 3, wherein the fixing part is formed by two mutually connectable clamp halves. 17. The line connector according to claims 1, 2 or 3, further comprising the fixing part having at least one first fixing section in which the heating means is received and has a diameter adapted to the transition section and has a second fixing section in which the heating means has a diameter that is adapted to the connecting section. 18. The line connector of claim 17, wherein a pitch of winding elements in the first fixing section differs from a pitch of winding elements in the second fixing section such that the pitch in the first fixing section is smaller than the pitch in the second fixing section. 19. The line connector according to claims 1, 2 or 3, wherein the fixing part is a plastic molding, for example, an injection molded part produced in a two component process. 20. The line connector according to claims 1, 2 or 3, wherein the fixing element has fasteners for receiving crimp connections between the electric heating means and between the electric heating means and lead-in wires. 21. The line connector according to claims 2 or 3, wherein the connecting section is made at least partially of a material that is transparent to laser beams in such a way that the media line is attached by laser beam welding. 22. The line connector according to claims 1 or 3, wherein the fixing part is made from a spring elastic material that is at least one of expandable in a radial direction and compressible in an axial direction. 23. The line connector according to claims 1 or 2, wherein the heating means are provided on the fixing part in at least two zones having respectively different radial distances to the flow channel.
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이 특허에 인용된 특허 (2)
Gschwind,Thomas; Beetz,Klaus, Heating device for a fluid line and method of manufacture.
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