Replacement cartridge filter with pleated filter media, automatic filter media advance and wireless communications
US8617278B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 15, 2012 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jun 15, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2273/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A replacement filter deployed within a flow channel with a housing having a first frame member and a second frame member that are detachable with an exposure slot formed within the housing. A filter media storage area is within the housing, having unexposed, folded, pleated filter media stored therein. The unexposed folded, pleated filter media is compactly held within the filter media storage area. A motor is coupled to a power supply and in communication with a controller. The motor moving a movement member that advances an unexposed portion of the stacked pleated filter media into the exposure slot, expanding and exposing the unexposed portion of the media to the flow channel while retaining pleats and creating an exposed portion of the filter media. A containment area is provided where the exposed portion of the pleated filter media is collected folded, restacked and compactly stored and retained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.