Dust filter
US11697085B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2021 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Jan 29, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/0854
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dust filter is configured to filter air drawn into a vehicle canister. The dust filter includes a first portion including a first engaging portion and a second portion including a second engaging portion. The second portion is attached to the first portion by engagement of the second engaging portion with the first engaging portion. The first portion includes a filtration member and a case. The case includes an inner chamber within which the filtration member is disposed. The case includes a drainage port configured to drain liquid that has infiltrated the inner chamber. The second portion is attached to the first portion to form a cover that covers the drainage port together with the first portion. The cover has an outlet that opens to the outside at a position lower than the drainage port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.