Internal combustion engine air cleaner and adsorption filter
US6692555B2 · kind B2 · utility
34Cited by
10References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 13, 2002 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Apr 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/2351
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sheet-like adsorption filter formed by sandwiching particulate activated carbon with heat-resistant nets and non-woven fabric sheets that have a percentage of void of 90% or higher, is disposed at an internal combustion engine side of a filter element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.