Back-flushing filter device for the filtration of highly viscous liquids
US5453194A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 1993 |
| Grant date | Sep 26, 1995 |
| Priority date | — |
| Expiry date | May 24, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/184
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Back-flushing filter device for the filtration of a highly viscous liquid with a housing (1) which has an inlet port (2) for the liquid to be filtered, a filter (3) and an outlet port (4) for filtrate, characterised in that, PA1 the filter (3) contacts, on its side facing the liquid to be filtered, a separating body (5) with recesses ("reject spaces") (6), PA1 the separating body (5) has inlet channels (7) for the liquid to be filtered, whereby the inlet channels run into the recesses (6), PA1 the separating body (5) has an outlet device (8, 8', 8") for the back-flushed liquid which is spatially separated from inlet channels (7), PA1 the housing (1) has a drain (9) for the back-flushed liquid, and that PA1 the entry port (2) and drain (9) are designed to be closable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.