ES227393U - Higrostato. - Google Patents
Higrostato.Info
- Publication number
- ES227393U ES227393U ES1977227393U ES227393U ES227393U ES 227393 U ES227393 U ES 227393U ES 1977227393 U ES1977227393 U ES 1977227393U ES 227393 U ES227393 U ES 227393U ES 227393 U ES227393 U ES 227393U
- Authority
- ES
- Spain
- Prior art keywords
- coupled
- hygroscopic
- hygrostat
- hygrosta
- translation
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers
-
- 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
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Fluid-Driven Valves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Drying Of Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Higrosta, en que cuerpos higroscópicos están dis puestos en una carcasa permeable de un material hidrófobo, caracterizado porque el cuerpo higroscópico es una varilla de madera, uno de cuyos extremos está acoplado con la parte de cierre de una válvula o con un interruptor y cuya otro extrema está apoyado sobre un elemento de apoyo, acoplado con la carcasa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH372376A CH607128A5 (es) | 1976-03-25 | 1976-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES227393U true ES227393U (es) | 1977-05-01 |
ES227393Y ES227393Y (es) | 1977-10-01 |
Family
ID=4262110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1977227393U Expired ES227393Y (es) | 1976-03-25 | 1977-03-24 | Hidrostato. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4095458A (es) |
CH (1) | CH607128A5 (es) |
ES (1) | ES227393Y (es) |
FR (1) | FR2345894A7 (es) |
SU (1) | SU659079A3 (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182357A (en) * | 1978-03-02 | 1980-01-08 | Leonard Ornstein | Method of controlling the relative humidity in a soil environment and apparatus for accomplishing same |
DE3428508A1 (de) * | 1984-08-02 | 1986-02-13 | Gardena Kress + Kastner Gmbh, 7900 Ulm | Feuchte-messgeraet |
US4648555A (en) * | 1985-11-18 | 1987-03-10 | Gumbmann Jr Joseph | Irrigation device |
US4657183A (en) * | 1985-11-20 | 1987-04-14 | Arkebauer Harry H | Irrigation control |
US5273066A (en) * | 1988-06-10 | 1993-12-28 | Graham Neil B | Control valves and method of plant growing using flow control |
US4944385A (en) * | 1988-09-14 | 1990-07-31 | Shelby Barry G | Endless belt moisture control apparatus |
WO1991002455A1 (en) * | 1989-08-23 | 1991-03-07 | Emil Richard Smith | Valve apparatus |
FR2653911B1 (fr) * | 1989-10-31 | 1992-05-07 | Gervais Christian | Dispositif hygrostatique de commande. |
FR2657139B1 (fr) * | 1990-01-12 | 1992-07-03 | Hutchinson | Dispositif formant vanne de commande d'irrigation, en particulier pour plantes en pots. |
US5156179A (en) * | 1991-09-24 | 1992-10-20 | The United States Of America As Represented By The Secretary Of The Agriculture | Tensiometer irrigation valve |
US5148825A (en) * | 1991-11-20 | 1992-09-22 | Plastro-Gvat | Moisture-responsive valve |
US5329081A (en) * | 1992-01-17 | 1994-07-12 | Morningside Holdings Pty. Ltd. | Moisture sensor and switch |
FR2694157B1 (fr) * | 1992-07-29 | 1994-10-28 | Hutchinson | Vanne de commande automatique de distribution d'eau, en particulier pour l'irrigation de plantes en pots. |
AUPN034294A0 (en) * | 1994-12-30 | 1995-01-27 | Moss Products Pty Ltd | Moisture transducer |
US5967171A (en) * | 1996-08-22 | 1999-10-19 | Dwyer, Jr.; George W. | Shut-off system for preventing water damage |
US6220268B1 (en) | 2000-04-24 | 2001-04-24 | Ross Spencer Bolton | Moisture controlled valve which does not permit partial fluid flow |
FR2840068A1 (fr) * | 2002-05-27 | 2003-11-28 | Vincent Letocart | Detecteur de presence d'eau et/ou d'humidite a action mecanique pour travail en milieu explosif |
DE202006012158U1 (de) * | 2006-04-03 | 2007-08-16 | Liebherr-Hausgeräte Lienz Gmbh | Kühlgerät |
US8371325B1 (en) | 2010-01-25 | 2013-02-12 | Hunter Industries, Inc. | Soil moisture responsive irrigation flow control valve |
US8963038B2 (en) * | 2011-09-19 | 2015-02-24 | Stoss Kommen Pope | High voltage relay non mercury |
EP3373722A4 (en) * | 2015-11-13 | 2019-07-03 | Rain Bird Corporation | VALVES AND DEVICES FOR DETECTING HUMIDITY |
EP3678472B1 (en) * | 2017-09-06 | 2022-05-25 | Solidrip Ltd. | Autonomous irrigation system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1773086A (en) * | 1926-12-17 | 1930-08-12 | Bahnson Co | Safety-control switch |
US2235721A (en) * | 1939-10-13 | 1941-03-18 | Munising Paper Company | Humidifier valve |
US2743552A (en) * | 1952-11-22 | 1956-05-01 | Edwin J Hunter | Automatic irrigation devices |
US3204872A (en) * | 1961-06-12 | 1965-09-07 | Alfred L Whear | Moisture responsive actuator |
-
1976
- 1976-03-25 CH CH372376A patent/CH607128A5/xx not_active IP Right Cessation
-
1977
- 1977-03-14 US US05/777,409 patent/US4095458A/en not_active Expired - Lifetime
- 1977-03-17 SU SU772463752A patent/SU659079A3/ru active
- 1977-03-22 FR FR7708567A patent/FR2345894A7/fr not_active Expired
- 1977-03-24 ES ES1977227393U patent/ES227393Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH607128A5 (es) | 1978-11-30 |
FR2345894A7 (fr) | 1977-10-21 |
SU659079A3 (ru) | 1979-04-25 |
ES227393Y (es) | 1977-10-01 |
US4095458A (en) | 1978-06-20 |
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