Patent · US Active

Multilayer motor vehicle pipeline

US11655920B2 · kind B2 · utility

1Cited by

3References

17Claims

0Family size

Assignee

TI Automotive (Fuldabrück) GmbH · DE

Inventors

Martin Schramowski · Kassel, DE
Andre Häckel · Naumburg, DE

Key dates

Filing date	Mar 5, 2021
Grant date	May 23, 2023
Priority date	—
Expiry date	May 17, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Multilayer motor vehicle tube for conducting at least one fluid medium, wherein the tube comprises a fluid duct and a tube wall that surrounds the fluid duct. The tube wall is multilayered and comprises at least three layers, specifically having the following layer composition. An external layer is provided that consists of at least one polyamide, in particular of at least one aliphatic polyamide. Furthermore, an adhesion-promoting layer is provided and an internal layer consisting of at least one thermoplastic elastomer. The overall layer thickness d of the tube wall is from 0.3 to 3.0 mm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.