FR1226277A - Control device for the periodic flow of a liquid - Google Patents
Control device for the periodic flow of a liquidInfo
- 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
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)
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) |
-
1959
- 1959-06-04 FR FR17427A patent/FR1226277A/en not_active Expired
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