Filler neck assembly for fuel tank
US6761380B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Jun 13, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/03447
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A filler neck assembly includes a plastic fuel tank having a wall with an opening extending therethrough. The filler neck assembly also includes a filler neck tube extending through the opening in the fuel tank and having an annular stop flange projecting radially outward from the filler neck tube outside the wall and an annular lock flange projecting radially outward from the filler neck tube formed inside the wall to lock the filler neck tube to the fuel tank. The stop flange and the lock flange provide the sole means for securing the filler neck tube within the opening. The filler neck assembly further includes a seal interposed in the opening between the wall and the filler neck tube and a washer disposed inside the fuel tank between the wall and the lock flange to engage the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.