Liquid filter apparatus
US9440170B2 · kind B2 · utility
5Cited by
2References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2012 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Feb 21, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4015
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter (10) includes a liquid holding vessel (12) with an inlet (14) and an outlet (16). A removable filter cartridge (24) is positionable within the vessel. The cartridge includes a plurality of filter element assemblies (82) each of which includes a plurality of filter elements (86). Filter elements are selectively back flushed through a back flush assembly (26) which includes a positionable back flush conduit arm (28) that rotates in response to a back flush arm shaft (36) that extends in a shaft support (46) of the filter cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.