Canister for fuel evaporative emission control systems
US4306894A · kind A · utility
35Cited by
5References
4Claims
0Family size
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Key dates
| Filing date | Jul 2, 1980 |
| Grant date | Dec 22, 1981 |
| Priority date | — |
| Expiry date | Jul 2, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4516
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A canister for a fuel evaporative emission control system of an engine; A mass of adsorbent contained in a canister casing is divided into at least two layers by a pair of spaced filter plates, so that the fuel vapors can be diffused into all parts of the adsorbent layers under the deflecting action of the filter plate and the uniforming action of a hollow space defined between the paired filter plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.