Structure for fuel filling opening of automobile
US8555937B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2009 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Dec 27, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/048
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A structure for a fuel filling opening of an automobile is configure such that, when fuel supplied from a fuel supply nozzle flows back to the fuel filling opening side, the fuel flowed back can be slowly discharged to the outside from the fuel filling opening. The structure is provided with ring recesses formed in a ring opening of an operation ring, and also with partitioning recesses formed in an opening in an outer tube partition. The recesses are arranged offset in the circumferential direction to form a labyrinth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.