GB9114928D0 - An improved water filter - Google Patents
An improved water filterInfo
- Publication number
- GB9114928D0 GB9114928D0 GB919114928A GB9114928A GB9114928D0 GB 9114928 D0 GB9114928 D0 GB 9114928D0 GB 919114928 A GB919114928 A GB 919114928A GB 9114928 A GB9114928 A GB 9114928A GB 9114928 D0 GB9114928 D0 GB 9114928D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- water filter
- improved water
- improved
- filter
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/10—Filtration under gravity in large open drainage basins
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Farming Of Fish And Shellfish (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919114928A GB9114928D0 (en) | 1991-07-10 | 1991-07-10 | An improved water filter |
GB9214711A GB2257378B (en) | 1991-07-10 | 1992-07-10 | An improved drainage assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919114928A GB9114928D0 (en) | 1991-07-10 | 1991-07-10 | An improved water filter |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9114928D0 true GB9114928D0 (en) | 1991-08-28 |
Family
ID=10698155
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB919114928A Pending GB9114928D0 (en) | 1991-07-10 | 1991-07-10 | An improved water filter |
GB9214711A Expired - Fee Related GB2257378B (en) | 1991-07-10 | 1992-07-10 | An improved drainage assembly |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9214711A Expired - Fee Related GB2257378B (en) | 1991-07-10 | 1992-07-10 | An improved drainage assembly |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9114928D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2348829B (en) * | 1999-03-12 | 2003-08-20 | Mark Peter Nigel Fisher | Water recirculating apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1047500A (en) * | ||||
US3625365A (en) * | 1969-06-25 | 1971-12-07 | Jacuzzi Bros Inc | Underdrain assembly for pool-type filter |
US4536287A (en) * | 1984-04-18 | 1985-08-20 | Himsley Engineering Limited | Piping for use in liquid collection and distribution |
-
1991
- 1991-07-10 GB GB919114928A patent/GB9114928D0/en active Pending
-
1992
- 1992-07-10 GB GB9214711A patent/GB2257378B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2257378B (en) | 1995-06-28 |
GB9214711D0 (en) | 1992-08-19 |
GB2257378A (en) | 1993-01-13 |
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