FR1226277A - Control device for the periodic flow of a liquid - Google Patents

Control device for the periodic flow of a liquid

Info

Publication number
FR1226277A
FR1226277A FR17427A FR59017427A FR1226277A FR 1226277 A FR1226277 A FR 1226277A FR 17427 A FR17427 A FR 17427A FR 59017427 A FR59017427 A FR 59017427A FR 1226277 A FR1226277 A FR 1226277A
Authority
FR
France
Prior art keywords
liquid
control device
periodic flow
periodic
flow
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
FR17427A
Other languages
French (fr)
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.)
Brevesa S A
Original Assignee
Brevesa S A
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 Brevesa S A filed Critical Brevesa S A
Application granted granted Critical
Publication of FR1226277A publication Critical patent/FR1226277A/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
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G31/02—Special apparatus therefor
    • A01G31/06—Hydroponic culture on racks or in stacked containers
    • 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
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/001—Self-acting watering devices, e.g. for flower-pots with intermittent watering means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0166—Control of flow without auxiliary power the sensing element being a float or a ball placed outside the flow path to be controlled
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR17427A 1959-03-09 1959-06-04 Control device for the periodic flow of a liquid Expired FR1226277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1226277X 1959-03-09

Publications (1)

Publication Number Publication Date
FR1226277A true FR1226277A (en) 1960-07-11

Family

ID=3894629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17427A Expired FR1226277A (en) 1959-03-09 1959-06-04 Control device for the periodic flow of a liquid

Country Status (1)

Country Link
FR (1) FR1226277A (en)

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