Evaporative emissions filter
US7344586B2 · kind B2 · utility
15Cited by
61References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2004 |
| Grant date | Mar 18, 2008 |
| Priority date | — |
| Expiry date | Nov 7, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4566
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system outside the direct air flow path. A mechanism is provided for mounting the evaporative emissions filter within the air induction system. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.