Bi-laterally cleansing fuel cap
US7703629B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 16, 2005 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Feb 25, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/33
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fuel cap having a cap member with an internal chamber and a downward extending hollow tube in open communication with the internal chamber and in sealing communication with a lower hub bore; vents on side walls of the internal chamber; an absorption media inside the internal chamber below the vents and above the hollow tube; a hub rotatably and slidably connected to the cap member with the hub having a lower hub bore into which the hollow tube is translatable for releasing vapors from the fuel tank as necessary before re-fueling whereby the vapors pass through the absorption media where they are cleansed before being release out the vents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.