Filtration device for use with a fuel vapor recovery system
US7699042B2 · kind B2 · utility
13Cited by
35References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2008 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Apr 24, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/702
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtration device for filtering air for use with a fuel vapor recovery system. According to one aspect, the device includes a housing defining a chamber having a rotational axis an upper end and a lower end, a cap closes the housing and includes at least one generally helical passageway helically extending generally toward the lower end of the chamber and includes at least one air inlet. According to another aspect, the device includes a non-circular filter element disposed between an air inlet and an air outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.