GB2091451B - Filter backwash means - Google Patents
Filter backwash meansInfo
- Publication number
- GB2091451B GB2091451B GB8200086A GB8200086A GB2091451B GB 2091451 B GB2091451 B GB 2091451B GB 8200086 A GB8200086 A GB 8200086A GB 8200086 A GB8200086 A GB 8200086A GB 2091451 B GB2091451 B GB 2091451B
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter backwash
- backwash means
- filter
- backwash
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/385—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a diaphragm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Control Of Fluid Pressure (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE716681 | 1981-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2091451A GB2091451A (en) | 1982-07-28 |
GB2091451B true GB2091451B (en) | 1985-04-17 |
Family
ID=3768916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8200086A Expired GB2091451B (en) | 1981-01-07 | 1982-01-04 | Filter backwash means |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2509190B1 (en) |
GB (1) | GB2091451B (en) |
IT (1) | IT1215215B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374351A (en) * | 1993-07-27 | 1994-12-20 | D & J Filtration Systems | Filter backflushing system |
DE29705703U1 (en) * | 1996-06-03 | 1997-05-22 | Geberit Technik Ag, Jona | Servo-controlled water valve |
CN113710369B (en) * | 2019-04-18 | 2022-11-25 | Smc 株式会社 | High-pressure fluid ejection device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB984282A (en) * | 1960-06-09 | 1965-02-24 | John Paterson Brydon | Straining apparatus |
US3867961A (en) * | 1973-11-16 | 1975-02-25 | Calgon Corp | Control valve for water conditioners |
US4135696A (en) * | 1976-11-01 | 1979-01-23 | Richdel, Inc. | Pilot operated diaphragm valve |
-
1982
- 1982-01-04 GB GB8200086A patent/GB2091451B/en not_active Expired
- 1982-01-06 FR FR8200105A patent/FR2509190B1/en not_active Expired
- 1982-01-07 IT IT8219016A patent/IT1215215B/en active
Also Published As
Publication number | Publication date |
---|---|
IT1215215B (en) | 1990-01-31 |
GB2091451A (en) | 1982-07-28 |
FR2509190B1 (en) | 1986-03-21 |
FR2509190A1 (en) | 1983-01-14 |
IT8219016A0 (en) | 1982-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |