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GB2091451B - Filter backwash means - Google Patents

Filter backwash means

Info

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
Application number
GB8200086A
Other versions
GB2091451A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reed Irrigation Systems Pty Ltd
Original Assignee
Reed Irrigation Systems Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Reed Irrigation Systems Pty Ltd filed Critical Reed Irrigation Systems Pty Ltd
Publication of GB2091451A publication Critical patent/GB2091451A/en
Application granted granted Critical
Publication of GB2091451B publication Critical patent/GB2091451B/en
Expired legal-status Critical Current

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)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Control Of Fluid Pressure (AREA)
GB8200086A 1981-01-07 1982-01-04 Filter backwash means Expired GB2091451B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2509190B1 (en) 1986-03-21
IT1215215B (en) 1990-01-31
GB2091451A (en) 1982-07-28
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