Multilayer tube for fuel transportation, fuel pump module provided with same, use of same, and use of fuel pump module
US10000045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2016 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Mar 9, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M37/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayered tube for transporting fuel including an innermost layer (A), an outermost layer (B) and an intermediate layer (C), characterized by that: the innermost layer (A) and the outermost layer (B) include a resin composition including 40 mass % or more of semi-aromatic polyamide; a flexural modulus of a material constituting the intermediate layer (C) measured according to ISO 178 is 800 MPa or less; and it is used in an environment in which both the innermost layer (A) and the outermost layer (B) are contacted with biodiesel fuel. In addition, a fuel pump module including the multilayered tube for transporting fuel and a method for using them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.