Filter element and filter unit
US8308855B2 · kind B2 · utility
2Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jun 22, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/46
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
By providing a thin-type deodorizing filtering medium which can be mini-pleats-processed, a washing-regenerable filtering medium in which the deodorizing filtering medium and a dust collecting filtering medium are integrated and, further, a low pressure drop/dust collecting deodorizing filter unit which can be subjected to large air volume treatment are provided. A non-crimped single fiber having a specified Young's modulus and a specified fineness is used to prepare a nonwoven fabric sheet having high stiffness, and a gas adsorbing substance is adhered and fixed thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.