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1. (WO2019008489) CONDUITE DE FLUIDE DE VÉHICULE AUTOMOBILE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS

1. A motor vehicle fluid line, wherein the fluid line (1 ) has at least one fluid channel (2) and a wall (3) enclosing the fluid channel (2), wherein at least one thread-shaped or strand-shaped ice pressure compensation element (4) made of a compressible material is arranged in the fluid channel (2), and wherein the length I of the ice pressure compensation element (4) is more than twice as large, preferably more than three times as large as the diameter or the largest diameter dK of the ice pressure compensation element (4).

2. The motor vehicle fluid line as claimed in claim 1 , wherein the length I of the ice pressure compensation element (4) is more than four times, preferably more than five times as large as the diameter or the largest diameter dK of the ice pressure compensation element (4).

3. The motor vehicle fluid line as claimed in any one of claims 1 or 2, wherein the ice pressure compensation element (4) extends with at least the majority of its length I, preferably with at least 55% and preferably with at least 60% of its length I in the longitudinal direction of the fluid channel (2).

4. The motor vehicle fluid line as claimed in any one of claims 1 to 3, wherein the part of the length I of the ice pressure compensation element (4) extending in the longitudinal direction is arranged parallel or essentially parallel to the longitudinal direction of the fluid channel (2) and/or to the longitudinal axis L of the fluid line (1).

5. The motor vehicle fluid line as claimed in any one of claims 1 to 4, wherein the at least one ice pressure compensation element (4) extends over the entire length of the fluid line (1 ) or substantially over the entire length of the fluid line (1 ).

6. The fluid line as claimed in any one of claims 1 to 4, wherein the at least one ice pressure compensation element (4) only extends regionally over the length of the fluid line (1).

7. The motor vehicle fluid line as claimed in any one of claims 1 to 6, wherein the at least one ice pressure compensation element (4) is compressed upon freezing or freezing solid of the fluid guided in the fluid channel (2) as a result of the pressure increase and/or the ice pressure - in particular in the radial direction or essentially in the radial direction of the fluid channel (2) - and wherein the ice pressure compensation element (4) is preferably compressed in this case such that the ratio of the volume of the ice pressure compensation element (4) in the compressed state to the volume of the ice pressure compensation element (4) in the uncompressed state is 0.1 to 0.9, preferably 0.2 to 0.8, particularly preferably 0.3 to 0.7.

8. The motor vehicle fluid line as claimed in any one of claims 1 to 7, wherein the internal volume of the fluid channel (2) available to the fluid guided in the fluid channel (2) is enlargeable by compressing the at least one ice pressure compensation element (4), preferably by compression in the radial direction or substantially in the radial direction of the fluid channel (2).

9. The motor vehicle fluid line as claimed in any one of claims 1 to 8, wherein the ratio of the diameter or the largest diameter dK of the ice pressure compensation element (4) to the diameter dF of the fluid channel is between 0.05 and 0.7, preferably between 0.1 and 0.6, particularly preferably between 0.1 and 0.5.

10. The motor vehicle fluid line as claimed in any one of claims 1 to 9, wherein the at least one ice pressure compensation element (4) is formed based on a polymer plastic, in particular based on a thermoplastic elastomer, preferably based on a synthetic rubber, and particularly preferably based on an ethylene-propylene-diene rubber.

11. The motor vehicle fluid line as claimed in any one of claims 1 to 10, wherein the at least one ice pressure compensation element (4) is formed based on a foamed material, in particular based on a foamed polymer plastic, preferably based on a foamed thermoplastic elastomer, particularly preferably based on a foamed synthetic rubber, and very particularly preferably based on a foamed ethylene-propylene-diene rubber.

12. The motor vehicle fluid line as claimed in any one of claims 1 to 11 , wherein the at least one ice pressure compensation element (4) has a porous structure, and wherein preferably the pores below the outer surface of the ice pressure compensation element (4) or within the ice pressure compensation element (4) are closed pores.

13. The motor vehicle fluid line as claimed in any one of claims 1 to 12, wherein the fluid line (2) is designed as a heatable fluid line.

14. The motor vehicle fluid line as claimed in any one of claims 1 to 13, wherein the diameter or the largest diameter dK of the ice pressure compensation element (4) is between 0.2 and 10 mm, preferably between 0.3 and 8 mm, particularly preferably between 0.5 and 5 mm.

15. The motor vehicle fluid line as claimed in any one of claims 1 to 14, wherein the diameter dF of the fluid channel of the fluid line (1) is between 0.5 and 50 mm, preferably between 1 and 20 mm, particularly preferably between 2 and 15 mm, and in particular between 2 and 10 mm.

16. The motor vehicle fluid line as claimed in any one of claims 1 to 15, wherein the at least one ice pressure compensation element (4) is fixed at at least one end, preferably at one end, on the wall (3) of the fluid line (1), and wherein preferably at least the second end of the ice pressure compensation element (4) is arranged freely floating and/or unfixed in the fluid line (1) or in the fluid channel (2).

17. The motor vehicle fluid line as claimed in any one of claims 1 to 16, wherein the fluid line (1) is connected to at least one assembly, preferably a tank and/or a pump.

18. A fluid connector for connecting motor vehicle fluid lines, wherein the fluid connector has at least one fluid channel and wherein at least one thread-shaped or strand-shaped ice pressure compensation element (4) made of a compressible material is arranged in the at least one fluid channel of the fluid connector and wherein the length I of the ice pressure compensation element (4) is more than twice as large, preferably more than three times as large as the diameter or the largest diameter dK of the ice pressure compensation element (4).

19. The fluid connector as claimed in claim 18, wherein the at least one ice pressure compensation element (4) extends from a fluid line connected to the fluid connector (5), in particular a fluid line as claimed in claims 1 to 17, into the fluid channel of the fluid connector.

20. The fluid connector as claimed in claim 18 or 19, wherein at least one separate ice pressure compensation element (4) is arranged in the fluid channel of the fluid connector, which ice pressure compensation element (4) preferably extends regionally into at least one fluid line connected to the fluid connector.

21. The fluid connector as claimed in any one of claims 18 to 20, wherein the fluid connector is configured as a heatable fluid connector.

22. The fluid connector as claimed in any one of claims 18 to 21 , wherein the ice pressure compensation element (4) is fixed at at least one end, preferably at one end, on the fluid connector (5) and wherein preferably at least the second end of the ice pressure compensation element (4) is arranged freely floating and/or unfixed.