FR1227049A - Simplified device for controlling the periodic flow of a liquid - Google Patents

Simplified device for controlling the periodic flow of a liquid

Info

Publication number
FR1227049A
FR1227049A FR17430A FR59017430A FR1227049A FR 1227049 A FR1227049 A FR 1227049A FR 17430 A FR17430 A FR 17430A FR 59017430 A FR59017430 A FR 59017430A FR 1227049 A FR1227049 A FR 1227049A
Authority
FR
France
Prior art keywords
controlling
liquid
simplified device
periodic flow
periodic
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
FR17430A
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 FR1227049A publication Critical patent/FR1227049A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/02—Germinating apparatus; Determining germination capacity of seeds or the like
    • 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
    • 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
    • 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)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Soil Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
FR17430A 1959-03-20 1959-06-12 Simplified device for controlling the periodic flow of a liquid Expired FR1227049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE576905A BE576905A (en) 1959-03-20 1959-03-20 Simplified device for controlling the periodic flow of a liquid.

Publications (1)

Publication Number Publication Date
FR1227049A true FR1227049A (en) 1960-08-18

Family

ID=38706509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17430A Expired FR1227049A (en) 1959-03-20 1959-06-12 Simplified device for controlling the periodic flow of a liquid

Country Status (3)

Country Link
BE (1) BE576905A (en)
ES (1) ES250079A1 (en)
FR (1) FR1227049A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104919961A (en) * 2015-06-12 2015-09-23 长兴中法农业科技有限公司 Suspended drip cup used for kiwi fruit planting

Also Published As

Publication number Publication date
BE576905A (en) 1959-07-16
ES250079A1 (en) 1959-10-01

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