EG18616A - Control valves and method of plant growing using flow control - Google Patents

Control valves and method of plant growing using flow control

Info

Publication number
EG18616A
EG18616A EG28289A EG28289A EG18616A EG 18616 A EG18616 A EG 18616A EG 28289 A EG28289 A EG 28289A EG 28289 A EG28289 A EG 28289A EG 18616 A EG18616 A EG 18616A
Authority
EG
Egypt
Prior art keywords
plant growing
plants
container
control
flow control
Prior art date
Application number
EG28289A
Other languages
English (en)
Original Assignee
Univ Strathclyde
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
Priority claimed from GB888813837A external-priority patent/GB8813837D0/en
Priority claimed from GB888813839A external-priority patent/GB8813839D0/en
Application filed by Univ Strathclyde filed Critical Univ Strathclyde
Application granted granted Critical
Publication of EG18616A publication Critical patent/EG18616A/xx

Links

Classifications

    • 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
    • F16K31/001—Actuating devices; Operating means; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid
    • 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
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • 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
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G31/02—Special apparatus therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1866—For controlling soil irrigation
    • Y10T137/189—Soil moisture sensing

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Hydroponics (AREA)
  • Vehicle Body Suspensions (AREA)
  • Cultivation Of Plants (AREA)
  • Flow Control (AREA)
  • Fluid-Driven Valves (AREA)
EG28289A 1988-06-10 1989-06-11 Control valves and method of plant growing using flow control EG18616A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888813837A GB8813837D0 (en) 1988-06-10 1988-06-10 Control valves
GB888813839A GB8813839D0 (en) 1988-06-10 1988-06-10 Growing plants

Publications (1)

Publication Number Publication Date
EG18616A true EG18616A (en) 1993-08-30

Family

ID=26294004

Family Applications (1)

Application Number Title Priority Date Filing Date
EG28289A EG18616A (en) 1988-06-10 1989-06-11 Control valves and method of plant growing using flow control

Country Status (8)

Country Link
US (2) US5273066A (de)
EP (1) EP0418298B1 (de)
JP (1) JP2781437B2 (de)
AT (1) ATE116518T1 (de)
CA (1) CA1337016C (de)
DE (1) DE68920433T2 (de)
EG (1) EG18616A (de)
WO (1) WO1989011787A2 (de)

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Also Published As

Publication number Publication date
JPH03504922A (ja) 1991-10-31
CA1337016C (en) 1995-09-19
US5382270A (en) 1995-01-17
ATE116518T1 (de) 1995-01-15
DE68920433T2 (de) 1995-05-11
EP0418298A1 (de) 1991-03-27
DE68920433D1 (de) 1995-02-16
US5273066A (en) 1993-12-28
WO1989011787A3 (en) 1990-07-26
WO1989011787A2 (en) 1989-12-14
EP0418298B1 (de) 1995-01-04
JP2781437B2 (ja) 1998-07-30

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