Canister for evaporated fuel processing device
US10859039B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2020 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Feb 11, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4516
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A canister for an evaporated fuel processing device is proposed, and the canister may include: a casing including an atmospheric port, a tank port, and a purge port; a first adsorbent housed in the casing, facing the atmospheric port; a second adsorbent housed in the casing and facing the tank port and the purge port, and separated from the first adsorbent by a space; a second passage communicating the atmospheric port and the space and bypassing a first passage which extends from the atmospheric port through the first adsorbent to the space; and a switching valve configured to switch opening and closing of the second passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.