Weldable mount for fuel system component
US6662820B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2001 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Feb 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86324
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vent apparatus includes a valve assembly and a tank mount adapted to support the valve assembly in a mounting aperture formed in a fuel tank. The valve assembly includes a movable vent valve and a valve housing containing the movable vent valve. A labyrinthine boundary is established between the valve housing and the tank mount to provide a low-permeation joint therebetween. The valve housing is made of a non-weldable plastics material and the tank mount is made of a weldable plastics material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.