Filter adapter and disposable filter
US5593578A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1994 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Nov 15, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter adapter and filter cartridge for a filter assembly for removing particulate matter from an aqueous flow by means of a filter vessel having a support housing, a removable top, an input port for the aqueous flow, an exit port for the aqueous flow and an internal seal. The filter assembly includes a filter adapter configured similarly to the housing and sized to be substantially entirely received within the housing and sealingly engage the internal seal of the housing. A filter cartridge is configured similarly to the filter adapter and is sized to be substantially entirely received within the filter adapter and to simultaneously engage the filter vessel top and sealingly engage the filter adapter outlet. A biasing spring is located between the filter cartridge and the filter adapter. Securing the filter vessel top to the filter vessel housing causes the filter cartridge to simultaneously compress the biasing spring in the filter adapter, form a seal with the filter adapter outlet, and form a seal between the filter adapter and the internal seal of the filter vessel housing, whereby the filter adapter may be installed in the filter vessel for an extended period and repeatedly…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.