ATE116518T1 - Regelventile. - Google Patents

Regelventile.

Info

Publication number
ATE116518T1
ATE116518T1 AT89906798T AT89906798T ATE116518T1 AT E116518 T1 ATE116518 T1 AT E116518T1 AT 89906798 T AT89906798 T AT 89906798T AT 89906798 T AT89906798 T AT 89906798T AT E116518 T1 ATE116518 T1 AT E116518T1
Authority
AT
Austria
Prior art keywords
plants
container
nutrient solution
control valves
plant
Prior art date
Application number
AT89906798T
Other languages
English (en)
Inventor
Neil Bonnette Graham
Donald S Ross
Robert Aleksander Karas Szmidt
Ralph Christie Glasly Kirkwood
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 ATE116518T1 publication Critical patent/ATE116518T1/de

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)
AT89906798T 1988-06-10 1989-06-09 Regelventile. ATE116518T1 (de)

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
ATE116518T1 true ATE116518T1 (de) 1995-01-15

Family

ID=26294004

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89906798T ATE116518T1 (de) 1988-06-10 1989-06-09 Regelventile.

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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CN109843149B (zh) 2016-07-22 2020-07-07 普罗秋斯数字健康公司 可摄入事件标记的电磁感测和检测
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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
DE68920433T2 (de) 1995-05-11
EG18616A (en) 1993-08-30
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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