Filter cartridge security for locking between operating and non-operating positions
US4904382A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1987 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Nov 23, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D35/306
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtering system for water treatment incorporating one or more filter assemblies each including a head member having fluid inlet and outlet ports, a replaceable filter cartridge closed at one and the other end being insertable into said head member, said head member including a manifold member and a filter cartridge supporting member operatively associated with the head member and movable relative to the manifold member between a load-unload position and an operating or running position, means for securing the filter cartridge against rotation in the filter cartridge supporting member, and seal means between the manifold member and filter cartridge supporting member for sealing off both the influent and effluent when the filter cartridge supporting member is in the load/unload position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.