Canisters
US8177894B2 · kind B2 · utility
2Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2009 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Aug 13, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/0854
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A canister includes a canister case having an adsorbent chamber, an adsorbent housed in the adsorbent chamber of the canister case, a filter disposed between the adsorbent chamber and a port mounted on an end wall of the adsorbent chamber, and a tentative filter engaging projection provided in the adsorbent chamber. The filter is loosely fitted within the adsorbent chamber and then welded on the end wall of the adsorbent chamber. The tentative filter engaging projection tentatively holds the filter loosely fitted within the adsorbent chamber in a welding step of the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.