EG14122A - A method of controlling the relative humidity in a soil environment and apparatus for accomplishing same - Google Patents
A method of controlling the relative humidity in a soil environment and apparatus for accomplishing sameInfo
- Publication number
- EG14122A EG14122A EG13779A EG13779A EG14122A EG 14122 A EG14122 A EG 14122A EG 13779 A EG13779 A EG 13779A EG 13779 A EG13779 A EG 13779A EG 14122 A EG14122 A EG 14122A
- Authority
- EG
- Egypt
- Prior art keywords
- controlling
- relative humidity
- soil environment
- accomplishing same
- accomplishing
- Prior art date
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
- 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
-
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
-
- 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
- Y10T137/0318—Processes
-
- 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)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cultivation Of Plants (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/882,789 US4182357A (en) | 1978-03-02 | 1978-03-02 | Method of controlling the relative humidity in a soil environment and apparatus for accomplishing same |
Publications (1)
Publication Number | Publication Date |
---|---|
EG14122A true EG14122A (en) | 1983-09-30 |
Family
ID=25381334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG13779A EG14122A (en) | 1978-03-02 | 1979-03-03 | A method of controlling the relative humidity in a soil environment and apparatus for accomplishing same |
Country Status (17)
Country | Link |
---|---|
US (1) | US4182357A (es) |
EP (1) | EP0004159B1 (es) |
JP (1) | JPS55500270A (es) |
AU (1) | AU530311B2 (es) |
CA (1) | CA1104547A (es) |
DD (1) | DD142141A1 (es) |
DE (1) | DE2967548D1 (es) |
EG (1) | EG14122A (es) |
ES (1) | ES478274A1 (es) |
IL (1) | IL56768A0 (es) |
IN (1) | IN151887B (es) |
MX (1) | MX147749A (es) |
OA (1) | OA06407A (es) |
PL (1) | PL213873A1 (es) |
SU (1) | SU1715186A3 (es) |
WO (1) | WO1979000694A1 (es) |
ZA (1) | ZA79990B (es) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4440378A (en) * | 1981-10-16 | 1984-04-03 | Sullivan Michael P | Flow control apparatus |
US4655076A (en) * | 1984-01-23 | 1987-04-07 | Raychem Corporation | Moisture measuring apparatus |
US4535914A (en) * | 1984-02-21 | 1985-08-20 | Coty Raymond J A | Automatic larvicide dispenser |
GB8512813D0 (en) * | 1985-05-21 | 1985-06-26 | Hlp Gardening Products Ltd | Fluid flow control valve |
US4862701A (en) * | 1986-09-25 | 1989-09-05 | Nv Raychem Sa | Moisture detection |
US4805343A (en) * | 1986-10-20 | 1989-02-21 | Southeastern Illinois College Foundation | Osmotic fiber systems |
US4922945A (en) * | 1987-05-04 | 1990-05-08 | Irro-Controls Group | Self-servicing hydraulic tensiometer with electrical switching and response capabilities |
US4938248A (en) * | 1987-05-04 | 1990-07-03 | Irro-Controls Group | Moisture and pressure sensitive fluid control circuit |
DE3733440A1 (de) * | 1987-10-02 | 1989-04-13 | Sick Optik Elektronik Erwin | Verfahren und vorrichtung zum ergaenzen der naehrloesung von hydrokulturen |
US5273066A (en) * | 1988-06-10 | 1993-12-28 | Graham Neil B | Control valves and method of plant growing using flow control |
GB8813839D0 (en) * | 1988-06-10 | 1988-07-13 | Graham N B | Growing plants |
WO1991002455A1 (en) * | 1989-08-23 | 1991-03-07 | Emil Richard Smith | Valve apparatus |
US5186431A (en) * | 1989-09-22 | 1993-02-16 | Yehuda Tamari | Pressure sensitive valves for extracorporeal circuits |
FR2657139B1 (fr) * | 1990-01-12 | 1992-07-03 | Hutchinson | Dispositif formant vanne de commande d'irrigation, en particulier pour plantes en pots. |
FR2663193B1 (fr) * | 1990-06-14 | 1993-03-26 | Hutchinson | Dispositif de culture de plantes en pot, a grande reserve d'eau. |
US5329081A (en) * | 1992-01-17 | 1994-07-12 | Morningside Holdings Pty. Ltd. | Moisture sensor and switch |
AUPN034294A0 (en) * | 1994-12-30 | 1995-01-27 | Moss Products Pty Ltd | Moisture transducer |
US5853122A (en) * | 1996-11-12 | 1998-12-29 | Caprio; Alphonse E. | Relative humidity sensitive irrigation valve control |
AUPP781798A0 (en) | 1998-12-21 | 1999-01-21 | Ragless, Clive Lindsay | Matric potential responder improvements |
AT409552B (de) * | 2000-04-06 | 2002-09-25 | Oesterr Forsch Seibersdorf | Messsonde |
US6220268B1 (en) | 2000-04-24 | 2001-04-24 | Ross Spencer Bolton | Moisture controlled valve which does not permit partial fluid flow |
HUP0103249A2 (hu) * | 2001-08-09 | 2005-08-29 | Emil Richard Smith | Szabályozott átfolyáskorlátozó berendezés |
US20050087231A1 (en) * | 2003-10-14 | 2005-04-28 | Sanders Larry C. | Non-electronic, automatically controlled valving system utilizing expanding/contracting material |
GB0516532D0 (en) * | 2005-08-11 | 2005-09-21 | Guest John Int Ltd | Improvements in or relating to liquid flow control devices |
GB0516530D0 (en) * | 2005-08-11 | 2005-09-21 | Guest John Int Ltd | Improvements in or relating to liquid flow control devices |
GB0624631D0 (en) * | 2006-12-08 | 2007-01-17 | Brown Michael E | Moisture responsive device and method |
CN101292621B (zh) * | 2007-04-29 | 2011-12-07 | 杨庆理 | 长水器、长水器灌溉系统及其在盐碱地改造中的应用 |
US8371325B1 (en) | 2010-01-25 | 2013-02-12 | Hunter Industries, Inc. | Soil moisture responsive irrigation flow control valve |
GB2492292B (en) * | 2010-03-18 | 2016-10-19 | Statoil Petroleum As | Flow control device and flow control method |
GB201010799D0 (en) | 2010-06-28 | 2010-08-11 | Smart Tech Ltd | Devices containing swellable material, flow apparatus incorporating such devices and methods of use thereof |
CN103477948B (zh) * | 2013-09-30 | 2014-10-22 | 中国农业大学 | 用于盐碱地的灌溉控制方法与系统 |
US10782261B2 (en) * | 2014-03-25 | 2020-09-22 | The Procter & Gamble Company | Apparatus for sensing environmental humidity changes |
ES2563102B1 (es) * | 2014-09-09 | 2016-12-27 | Ramón Vicente PEREZ ESTEVE | Emisor de riego con control higroscópico autónomo |
US20170332566A1 (en) * | 2014-10-31 | 2017-11-23 | Rain Bird Corporation | Soil Moisture Sensing Valves And Devices |
WO2016161992A2 (zh) * | 2015-10-13 | 2016-10-13 | 中国农业科学院农田灌溉研究所 | 新型无压灌溉装置 |
US20180328513A1 (en) * | 2015-11-13 | 2018-11-15 | Rain Bird Corporation | Moisture sensing valves and devices |
WO2018067625A1 (en) * | 2016-10-04 | 2018-04-12 | Lafian Jesse | Tensiometer apparatus and method |
IL273043B2 (en) | 2017-09-06 | 2023-04-01 | Solidrip Ltd | Autonomous irrigation system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204872A (en) * | 1961-06-12 | 1965-09-07 | Alfred L Whear | Moisture responsive actuator |
DK103647C (da) * | 1962-04-03 | 1966-01-31 | Thure Henning Hansson | Apparat til regulering af væsketilførslen til en jordoverflade, f. eks. i urtepotter. |
US3295088A (en) * | 1964-10-14 | 1966-12-27 | Johnson Service Co | Electrical humidity sensing element |
US3426539A (en) * | 1965-02-02 | 1969-02-11 | Alfred L Whear | Moisture actuated device |
US3518831A (en) * | 1967-11-02 | 1970-07-07 | Dawson Inc Alexander | Method and apparatus for subterranean irrigation |
DE1915420A1 (de) * | 1968-04-27 | 1969-11-13 | Le Optytno K Bjuro Torgovogo M | Vorrichtung zur Muenzpruefung nach magnetischen Eigenschaften |
US3833013A (en) * | 1972-04-06 | 1974-09-03 | Baxter Laboratories Inc | Self-valving fluid reservoir and bubble trap |
DE2325980A1 (de) * | 1973-04-05 | 1974-10-17 | Knut Bertil Edenhorn | Geraet zum steuern des fluessigkeitsflusses durch eine leitung zum zufuehren von fluessigkeit zu einem fluessigkeitsabsorbierenden material |
US3898843A (en) * | 1973-05-22 | 1975-08-12 | Methven & Co Limited G | On-off flow control device and irrigation system incorporating same |
US3874590A (en) * | 1973-10-19 | 1975-04-01 | William H Gibson | Moisture responsive apparatus for controlling moisture content of soil |
DE2513600A1 (de) * | 1975-03-27 | 1976-10-07 | Rainer Ing Grad Schwemmle | Feuchtigkeitsgeregeltes ventil |
US4015616A (en) * | 1975-08-25 | 1977-04-05 | Hanff Ludovic F | Automatic watering device |
CH607128A5 (es) * | 1976-03-25 | 1978-11-30 | Elektrowatt Ag | |
US4064086A (en) * | 1976-07-13 | 1977-12-20 | National Patent Development Corporation | Thermoplastic hydrogels |
-
1978
- 1978-03-02 US US05/882,789 patent/US4182357A/en not_active Expired - Lifetime
-
1979
- 1979-03-01 EP EP19790300305 patent/EP0004159B1/en not_active Expired
- 1979-03-01 DE DE7979300305T patent/DE2967548D1/de not_active Expired
- 1979-03-01 CA CA322,537A patent/CA1104547A/en not_active Expired
- 1979-03-01 IL IL56768A patent/IL56768A0/xx not_active IP Right Cessation
- 1979-03-02 DD DD21136179A patent/DD142141A1/xx unknown
- 1979-03-02 JP JP50051879A patent/JPS55500270A/ja active Pending
- 1979-03-02 MX MX176791A patent/MX147749A/es unknown
- 1979-03-02 ZA ZA79990A patent/ZA79990B/xx unknown
- 1979-03-02 AU AU44772/79A patent/AU530311B2/en not_active Expired
- 1979-03-02 ES ES478274A patent/ES478274A1/es not_active Expired
- 1979-03-02 PL PL21387379A patent/PL213873A1/xx unknown
- 1979-03-02 WO PCT/US1979/000127 patent/WO1979000694A1/en unknown
- 1979-03-03 EG EG13779A patent/EG14122A/xx active
- 1979-03-07 IN IN220/CAL/79A patent/IN151887B/en unknown
- 1979-04-30 OA OA56801A patent/OA06407A/xx unknown
- 1979-08-31 SU SU792818159A patent/SU1715186A3/ru active
Also Published As
Publication number | Publication date |
---|---|
ZA79990B (en) | 1980-05-28 |
IL56768A0 (en) | 1979-05-31 |
DD142141A1 (de) | 1980-06-11 |
DE2967548D1 (en) | 1986-01-09 |
EP0004159A1 (en) | 1979-09-19 |
WO1979000694A1 (en) | 1979-09-20 |
PL213873A1 (es) | 1979-11-05 |
SU1715186A3 (ru) | 1992-02-23 |
CA1104547A (en) | 1981-07-07 |
US4182357A (en) | 1980-01-08 |
AU4477279A (en) | 1979-10-18 |
IN151887B (es) | 1983-08-27 |
ES478274A1 (es) | 1979-12-16 |
MX147749A (es) | 1983-01-10 |
AU530311B2 (en) | 1983-07-14 |
OA06407A (fr) | 1981-08-31 |
EP0004159B1 (en) | 1985-11-27 |
JPS55500270A (es) | 1980-05-08 |
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