FR2017682B1 - - Google Patents
Info
- Publication number
- FR2017682B1 FR2017682B1 FR6907744A FR6907744A FR2017682B1 FR 2017682 B1 FR2017682 B1 FR 2017682B1 FR 6907744 A FR6907744 A FR 6907744A FR 6907744 A FR6907744 A FR 6907744A FR 2017682 B1 FR2017682 B1 FR 2017682B1
- Authority
- FR
- France
- 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.)
- Expired
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
- B01D24/10—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 held in a closed container
- B01D24/14—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
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
-
- 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
- B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75891368A | 1968-09-10 | 1968-09-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2017682A1 FR2017682A1 (fr) | 1970-05-22 |
FR2017682B1 true FR2017682B1 (fr) | 1975-04-18 |
Family
ID=25053614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6907744A Expired FR2017682B1 (fr) | 1968-09-10 | 1969-03-18 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3451554A (fr) |
DE (1) | DE1910732A1 (fr) |
FR (1) | FR2017682B1 (fr) |
GB (1) | GB1204992A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984327A (en) * | 1971-11-12 | 1976-10-05 | Michael Axton May | Filters |
US3809247A (en) * | 1972-11-09 | 1974-05-07 | Purex Corp Ltd | High throughput filter having multiposition valve |
US4161963A (en) * | 1975-09-22 | 1979-07-24 | Techni-Chem, Inc. | Liquid treatment apparatus |
US4105555A (en) * | 1976-12-06 | 1978-08-08 | Tolo, Incorporated | Multi-port valve |
US4228013A (en) * | 1977-02-01 | 1980-10-14 | De Luxe General, Incorporated | Method and apparatus for recovery of heavy metal ions from dilute aqueous solution |
FR2449469A1 (fr) * | 1979-02-23 | 1980-09-19 | Framatome Sa | Filtre pour l'epuration d'un fluide a haute pression et a haute temperature contenant des particules ferromagnetiques |
US4414109A (en) * | 1980-09-29 | 1983-11-08 | Purex Corporation | Multi-ported valve with sealing network between valve body and rotor |
US4328833A (en) * | 1980-09-29 | 1982-05-11 | Purex Corporation | Multi-ported valve with sealing network between valve body and rotor |
US4869817A (en) * | 1982-04-05 | 1989-09-26 | Hydrotech Chemical Corporation | Backwash valve lever control system |
US5203995A (en) * | 1991-01-23 | 1993-04-20 | Fernando Martinez M | Filter for machine tool |
US5443720A (en) * | 1994-02-01 | 1995-08-22 | Stavo Industries, Inc. | Sanitary cartridge filter housing |
US6059967A (en) * | 1998-05-20 | 2000-05-09 | Big Iron Drilling Ltd. | Distributor device for water conditioner backflush apparatus |
US6365044B1 (en) * | 1999-05-21 | 2002-04-02 | Gregory L. Crane | Buoyant media filter with diffuser |
GB2380951C (en) * | 2001-10-18 | 2011-09-28 | Derek Colin Tolley | Filtration of liquid media |
US7040840B2 (en) * | 2004-11-15 | 2006-05-09 | Neal Zook | Sewage effluent distribution means |
JP5201481B2 (ja) * | 2008-06-19 | 2013-06-05 | 株式会社ナガオカ | 水処理装置および水処理装置濾材層の洗浄方法 |
US8137541B2 (en) * | 2008-07-01 | 2012-03-20 | Neal Zook | Sewage effluent distribution means |
US11331616B2 (en) * | 2020-09-25 | 2022-05-17 | Mark Henderson | Pool filter assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US524155A (en) * | 1894-08-07 | Filter | ||
US2458893A (en) * | 1945-10-06 | 1949-01-11 | Dorr Co | Apparatus for conducting ion exchange operations |
US2462154A (en) * | 1946-12-10 | 1949-02-22 | John V Barnes | Water softener |
-
1968
- 1968-09-10 US US758913A patent/US3451554A/en not_active Expired - Lifetime
-
1969
- 1969-02-28 GB GB00998/69A patent/GB1204992A/en not_active Expired
- 1969-03-03 DE DE19691910732 patent/DE1910732A1/de not_active Withdrawn
- 1969-03-18 FR FR6907744A patent/FR2017682B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2017682A1 (fr) | 1970-05-22 |
US3451554A (en) | 1969-06-24 |
GB1204992A (en) | 1970-09-09 |
DE1910732A1 (de) | 1970-06-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |