MA43636A - Émetteur de compensation de pression ayant une pression d'activation très basse et une grande plage de fonctionnement - Google Patents

Émetteur de compensation de pression ayant une pression d'activation très basse et une grande plage de fonctionnement

Info

Publication number
MA43636A
MA43636A MA043636A MA43636A MA43636A MA 43636 A MA43636 A MA 43636A MA 043636 A MA043636 A MA 043636A MA 43636 A MA43636 A MA 43636A MA 43636 A MA43636 A MA 43636A
Authority
MA
Morocco
Prior art keywords
pressure
operating range
wide operating
low activation
compensation transmitter
Prior art date
Application number
MA043636A
Other languages
English (en)
Inventor
Pulkit Shamshery
Amos G Winter
Original Assignee
Massachusetts Inst Technology
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 Massachusetts Inst Technology filed Critical Massachusetts Inst Technology
Publication of MA43636A publication Critical patent/MA43636A/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A01G25/023Dispensing fittings for drip irrigation, e.g. drippers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3006Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being actuated by the pressure of the fluid to be sprayed
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/04Control of fluid pressure without auxiliary power
    • G05D16/06Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0647Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one membrane without spring
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Nozzles (AREA)
  • Pipe Accessories (AREA)
MA043636A 2015-11-20 2016-09-26 Émetteur de compensation de pression ayant une pression d'activation très basse et une grande plage de fonctionnement MA43636A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562258067P 2015-11-20 2015-11-20
US15/245,320 US10426104B2 (en) 2015-11-20 2016-08-24 Pressure compensating emitter having very low activation pressure and large operating range

Publications (1)

Publication Number Publication Date
MA43636A true MA43636A (fr) 2018-11-28

Family

ID=57138123

Family Applications (1)

Application Number Title Priority Date Filing Date
MA043636A MA43636A (fr) 2015-11-20 2016-09-26 Émetteur de compensation de pression ayant une pression d'activation très basse et une grande plage de fonctionnement

Country Status (4)

Country Link
US (1) US10426104B2 (fr)
EP (1) EP3405023A1 (fr)
MA (1) MA43636A (fr)
WO (1) WO2017087071A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7648085B2 (en) 2006-02-22 2010-01-19 Rain Bird Corporation Drip emitter
US9877440B2 (en) 2012-03-26 2018-01-30 Rain Bird Corporation Elastomeric emitter and methods relating to same
US10440903B2 (en) 2012-03-26 2019-10-15 Rain Bird Corporation Drip line emitter and methods relating to same
US10631473B2 (en) 2013-08-12 2020-04-28 Rain Bird Corporation Elastomeric emitter and methods relating to same
US10285342B2 (en) 2013-08-12 2019-05-14 Rain Bird Corporation Elastomeric emitter and methods relating to same
USD811179S1 (en) 2013-08-12 2018-02-27 Rain Bird Corporation Emitter part
US9883640B2 (en) 2013-10-22 2018-02-06 Rain Bird Corporation Methods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines
US10330559B2 (en) 2014-09-11 2019-06-25 Rain Bird Corporation Methods and apparatus for checking emitter bonds in an irrigation drip line
JP6689634B2 (ja) * 2016-03-17 2020-04-28 株式会社エンプラス エミッタおよび点滴灌漑用チューブ
US10375904B2 (en) 2016-07-18 2019-08-13 Rain Bird Corporation Emitter locating system and related methods
US11051466B2 (en) 2017-01-27 2021-07-06 Rain Bird Corporation Pressure compensation members, emitters, drip line and methods relating to same
US10626998B2 (en) * 2017-05-15 2020-04-21 Rain Bird Corporation Drip emitter with check valve
USD883048S1 (en) 2017-12-12 2020-05-05 Rain Bird Corporation Emitter part
US20220413388A1 (en) * 2018-01-04 2022-12-29 Miraclon Corporation Reduced flow rate processing system for flexographic printing plate
US11985924B2 (en) 2018-06-11 2024-05-21 Rain Bird Corporation Emitter outlet, emitter, drip line and methods relating to same
WO2020243630A1 (fr) 2019-05-30 2020-12-03 Massachusetts Institute Of Technology Système, procédé et dispositif de commande d'irrigation goutte à goutte
WO2022036243A1 (fr) * 2020-08-13 2022-02-17 Massachusetts Institute Of Technology Procédé de réduction d'une pression d'activation dans une irrigation goutte à goutte commandée par pression et émetteur d'irrigation goutte à goutte commandé par pression associé
US11937556B2 (en) 2020-08-13 2024-03-26 Massachusetts Institute Of Technology Channel-less drip irrigation emitters and methods of using the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460647A (en) 1947-04-05 1949-02-01 Hays Mfg Co Flow control device
US4589595A (en) * 1981-04-04 1986-05-20 Havens International, Inc. Pressure compensated emitter
NZ206880A (en) 1983-01-19 1987-03-31 Ris Irrigation Syst Pressure-regulated drip feed irrigator:deflecting diaphragm with bleed
AU633097B2 (en) 1989-05-31 1993-01-21 Toro Australia Pty Ltd Pressure regulated drip feed device
US5413282A (en) 1993-10-28 1995-05-09 James Hardie Irrigation, Inc. Pressure compensating emitter with shut down flush
US5465905A (en) * 1994-03-17 1995-11-14 Mister Dripper Company, Llc Irrigation system with multi-functional irrigation control valves
US5711482A (en) 1994-05-03 1998-01-27 Yu; Michael Resilient disk drip irrigation devices
ES2229889B1 (es) 2003-04-11 2006-07-01 Comercial Agricola De Riegos, S.L. Mini-emisor de riego localizado autocompensante y autolimpiante para pinchar en tuberia.
GB2484924A (en) 2010-10-25 2012-05-02 Amirim Products Dev & Patents Ltd An on line drip irrigation emitter having an inlet filtering dvice
US8511586B2 (en) * 2011-04-20 2013-08-20 Deere & Company Disc shaped regulated drip irrigation emitter
US9307705B2 (en) 2013-10-02 2016-04-12 Eurodrip Industrial Commercial Agricultural Societe Anonyme Pressure compensating drip irrigation emitter

Also Published As

Publication number Publication date
EP3405023A1 (fr) 2018-11-28
WO2017087071A1 (fr) 2017-05-26
US20170142916A1 (en) 2017-05-25
US10426104B2 (en) 2019-10-01

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