Filter arrangement for a mobile device
US10843114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Nov 5, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H2003/0691
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter arrangement for a mobile device includes at least one first filter element and at least one second filter element, which are arranged in an air duct of the mobile device. The at least one first filter element is a pleated filter and the at least one second filter element is an adsorption filter. The at least one first filter element and the at least one second filter element are separate and mounted in the air duct so as to be mutually spaced. The at least one first filter element includes at least one nonwoven layer. The at least one second filter element is a honeycomb filter including a plurality of channels which are delimited by channel walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.