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WO2019174797A1 - Dispositif de pulvérisation agricole - Google Patents

Dispositif de pulvérisation agricole Download PDF

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Publication number
WO2019174797A1
WO2019174797A1 PCT/EP2019/051172 EP2019051172W WO2019174797A1 WO 2019174797 A1 WO2019174797 A1 WO 2019174797A1 EP 2019051172 W EP2019051172 W EP 2019051172W WO 2019174797 A1 WO2019174797 A1 WO 2019174797A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
treatment liquid
valve
line
carrier
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.)
Ceased
Application number
PCT/EP2019/051172
Other languages
German (de)
English (en)
Inventor
Oliver Meil
Olaf Ohlhafer
Steffen SIES
Hans-Arndt Freudigmann
Dieter Amesoeder
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2019174797A1 publication Critical patent/WO2019174797A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089—Regulating or controlling systems
    • A01M7/0092—Adding active material

Definitions

  • the invention relates to an agricultural spraying device for delivering a treatment liquid to be delivered to an agricultural surface by means of a dispensing unit, with a carrier liquid valve, a first
  • Dosing valve and a second metering valve relate to a method for dispensing a treatment liquid to be dispensed onto an agricultural surface by means of an agricultural spraying device.
  • the present invention also provides a control device and a computer program as well as an agricultural spray system with the spray device and the control device.
  • WO 2014/0896 A1 discloses a system for producing and dispensing a mixed liquid.
  • a plurality of valves is provided to prevent unwanted backflow of liquids in the system.
  • the present invention is an agricultural
  • Spraying device for dispensing a treatment liquid to be dispensed onto an agricultural surface by means of a dispensing unit according to independent claim 1.
  • the subject of the present invention is also a method for dispensing a treatment liquid to be dispensed onto an agricultural surface according to independent claim 6 and a control device according to claim 10.
  • the subject matter of the present invention is furthermore a computer program which is set up to carry out all the steps of a previously described method as well as a machine-readable storage medium with a computer program stored thereon.
  • the present invention is finally an agricultural spray system according to claim 11 with the agricultural
  • Spraying device and the control device are spraying device and the control device.
  • the spray device may be part of an agricultural
  • Spray system such as an agricultural sprayer or a crop protection device or be designed as an agricultural sprayer or a crop protection device.
  • the spraying device can be arranged and / or arranged on or on a mobile unit.
  • the mobile unit may be designed as a land vehicle and / or aircraft and / or trailers.
  • the mobile unit may in particular be an agricultural working machine, for example a tractor
  • Tractor a tractor or a (self-propelled or autonomous) sprayer, be.
  • the spray device may also be mounted on a hydraulic device of the agricultural machine. It is also conceivable that the spraying device is constructed on a loading surface of the agricultural machine. Alternatively, the
  • Sprayer be attached to the agricultural machine.
  • the agricultural spray device is designed to treat an agricultural area with the treatment liquid, in particular with a spray mixture.
  • the spray device comprising the valves and the dispensing unit, is arranged on a partial width of a spray boom of a field sprayer. Particularly preferred are at the partial width of the spray boom of the sprayer at least two, in particular a plurality, the
  • each agricultural spraying device preferably has a dispensing unit designed as a single spray nozzle.
  • An agricultural area may be an agricultural area, a crop area for plants or even a plot of such land Surface or acreage can be understood.
  • the agricultural area can thus be a field, arable land, a grassland or a pasture.
  • the plants can, for example, crops whose fruit
  • the plants can be part of the agricultural area.
  • Agricultural area or on a plant on the agricultural area may be part of a treatment of the agricultural area. It is also conceivable that the dispensing of the treatment liquid comprises treating the agricultural surface with the liquid for mechanical processing or damage, for example, of weeds on the agricultural surface.
  • Treatment liquid or a carrier liquid to be understood.
  • a treatment liquid can be understood as an agriculturally usable liquid.
  • the treatment liquid is preferably a spray mixture.
  • a liquid can also be understood as meaning a suspension or an emulsion or a mixture of a suspension and an emulsion.
  • the treatment liquid has at least one active agent.
  • the active agent may be a spray, that is a preparation or
  • the active agent may accordingly comprise, for example, a herbicide, fungicide or an insecticide (pesticide). However, the active agent may also comprise a fertilizer, in particular a fertilizer concentrate. The active agent may accordingly have a liquid fertilizer and / or a growth regulator.
  • the active agent can be formed as a liquid or as a solid, for example in the form of granules, or as a pre-dissolved solid, for example in the form of pre-dissolved granules.
  • the treatment liquid preferably further comprises a carrier liquid for diluting the active agent.
  • a carrier liquid can be understood as meaning a liquid which is designed to be mixed with the active agent in order to bring it out
  • Pesticides or fertilizer to enable or improve. It is also conceivable that a present as a solid or granules active agent is suspended in the carrier liquid. It is also conceivable that a non-soluble in the carrier liquid active agent is emulsified in the carrier liquid.
  • the carrier liquid is preferably water.
  • the treatment liquid is preferably formed as a plant protection agent diluted by means of a carrier liquid or fertilizer diluted by a carrier liquid.
  • the treatment liquid is particularly preferably designed as a mixture of at least two plant protection agents diluted by means of a carrier liquid or two fertilizers diluted by means of a carrier liquid. Further preferably, the treatment liquid is diluted as a mixture of three by means of a carrier liquid
  • the spraying device has a dispensing unit, in particular a
  • Spray nozzle unit for dispensing or applying the treatment liquid. It is conceivable that the spray device at least one
  • Carrier liquid tank and at least two treatment liquid tanks comprises.
  • the carrier liquid can be separated from the carrier liquid tank by means of a
  • the treatment liquid can be guided or directed by the respective treatment liquid tank by means of a feed line and a liquid line to the dispensing unit.
  • the carrier liquid supply line, the supply line and the liquid line may be formed as a fluidic connection line, for example in the form of a tube, tube, channel or a tube.
  • the spray device has a carrier fluid valve and two
  • the carrier liquid valve is by means of a
  • Carrier liquid supply with the carrier liquid tank connectable.
  • the carrier fluid valve is preferably connected to the carrier fluid tank by means of the carrier fluid supply line.
  • the carrier liquid valve is designed to dose the carrier liquid from the carrier liquid tank into the liquid line connected to the dispensing unit. That is, in other words, the carrier liquid valve is configured to control dosing of the carrier liquid from the carrier liquid tank into the liquid line.
  • metering of a liquid by means of a valve can be understood as meaning control of a volume flow of the liquid passing through the valve or passing through the valve.
  • the metering thus comprises the targeted or defined feeding of the liquid to be metered to a line or unit arranged downstream of the valve.
  • the dosing also includes interrupting a supply of the liquid to the downstream of the valve
  • the liquid metering valve is thus designed to interrupt a passage of the liquid.
  • Carrier liquid valve can be arranged in the carrier liquid supply line and / or the liquid line or integrated into the carrier liquid supply line and / or the liquid line.
  • each metering valve is assigned a treatment liquid tank.
  • each metering valve is associated with a supply line.
  • Each of the metering valves can be connected by means of the feed line assigned to the respective metering valve to the treatment liquid tank assigned to the respective metering valve.
  • Each of the metering valves is preferably connected by means of the feed line assigned to the respective metering valve to the treatment liquid tank assigned to the respective metering valve.
  • Each of the metering valves is formed, the treatment liquid from the respective metering valve associated treatment liquid tank in the connected to the dispensing unit Dosing liquid line.
  • each of the metering valves is designed to control a metering of the treatment liquid from the treatment liquid tank assigned to the respective metering valve into the liquid line.
  • the metering valves are arranged in the liquid line or integrated into the liquid line. That is, in other words, the metering valves are at least partially disposed in the fluid conduit.
  • the metering valves are arranged in the liquid line in such a way that they can be flowed through or flowed through or flushed through by the carrier liquid.
  • the metering valves can be designed to control a passage of the carrier liquid in the liquid line.
  • the influence of a metering valve through which the carrier liquid flows is preferably as low as possible on a passage of the carrier liquid through the metering valve.
  • the method according to the invention comprises a step of receiving a specification of a mixing combination of the treatment liquid to be dispensed by means of an agricultural spraying device associated
  • the mixing combination of the treatment liquid to be dispensed can be a relative mixing combination of the treatment liquid-producing liquids.
  • the mixing combination may be "1 unit of the first treatment liquid and 0 unit of the second treatment liquid and 1 unit of the carrier liquid" or "1 unit of the first treatment liquid and 1 unit of the second treatment liquid and 0 unit of the carrier liquid". It is also conceivable that the mixing combination of the deliverable
  • Treatment liquid an absolute mixing combination of the
  • Treatment liquid-generating liquids In this case, to the relative mixing combination, a volume flow or an amount of expenditure of the treatment liquid to be dispensed per unit area of the
  • the mixing combination can be entered by an operator of the injection device into the control device by means of an input unit, for example by means of an operator interface such as a touch-sensitive screen. It is also conceivable that the mixing combination by means of a wireless
  • Nahfeldkommunikationsmethode can be specified. It is also conceivable that the Mixed combination is stored on a memory unit of the control device.
  • the method according to the invention also provides that at least one of the valves is controlled in a closed position in order to allow at least one liquid to flow out of the respective tank into the liquid line
  • Liquids for a defined discharge time or delivery time or injection duration does not contribute to the generation of the treatment liquid to be dispensed. It is conceivable that at the same time a treatment liquid and the carrier liquid or at the same time the first and the second treatment liquid are dispensed.
  • the control device is designed to receive a specification of a mixing combination of the treatment liquid to be dispensed, for example by means of the user interface, a wireless communication or a readout from a memory unit. Furthermore, the control device is designed to control the valves and the dispensing unit. It is conceivable that the control device is designed, a control signal, in particular a
  • Spray system and the method according to the invention it is now possible to produce by means of a small number of valves and thus particularly cost effective treatment liquid for delivery to an agricultural area. Due to the arrangement of the metering valves in the liquid line, the metering valves are particularly easy to flush with carrier liquid. Furthermore, by dosing the treatment liquids by means of arranged in the liquid line metering valves excellent mixing of
  • the carrier liquid valve has a valve position, by means of which a passage of the carrier liquid from the carrier liquid tank in the liquid line and / or - At least one of the metering valves has a valve position, by means of which a passage of the respective treatment liquid from the respective treatment liquid tank is interruptible in the liquid line.
  • the valve position of the carrier liquid valve by means of which the passage of the carrier liquid from the carrier liquid tank in the
  • Liquid line is interrupted, a closed position of the
  • Carrier fluid valve Likewise preferred is the valve position of the
  • Dosing valve by means of which the passage of the treatment liquid from the treatment liquid tank can be interrupted in the liquid line, a closed position of the metering valve.
  • the metering valve is preferably formed, the carrier liquid, regardless of the valve position of the
  • the agricultural spray device is designed to control a mixing combination of the treatment liquid to be dispensed and to which
  • each of the metering valves has a valve position by means of which a volume flow of the respective metered into the liquid line treatment liquid for each metering valve is the same size.
  • Liquid line metered treatment liquid for each metering valve is the same size, is preferably a passage position of the metering valves. It is conceivable that the metering valves are equally constructed and controlled so that at the same pressure of the treatment liquids, the volume flow of the metered into the liquid line treatment liquids for each metering valve is the same size. In other words, if several metering valves have this passage position, the volume flow of the respective metered from the respective metering valve of the treatment liquid to be dispensed or supplied treatment liquid is the same size.
  • the respective treatment liquid can be acted upon by a constant pressure source, for example by means of a constant pressure source. Thereby, the agricultural spray device is formed, a dosing or supplying a first
  • the carrier liquid valve and / or at least one of the metering valves as a steadily adjustable valve and / or
  • the carrier fluid valve are designed as a 2/2-way valve and / or at least one of the metering valves as a 3/2-way valve.
  • the constantly adjustable can be a continuously adjustable or continuously controllable valve or a continuous valve.
  • the continuously adjustable valve is designed to allow a steady transition of valve positions.
  • the continuously variable valve may be a proportional valve.
  • the 2/2-way valve has two connections for fluid lines or supply lines and two valve positions.
  • the 3/2-way valve has three connections for fluid lines or supply lines and two valve positions.
  • the 3/2-way valve preferably has two connections for two fluidic supply lines and one connection for a fluidic line or discharge line. That is, in other words, preferably, the 3/2-way valve is formed, two upstream of the 3/2-way valve arranged supply lines with a downstream of the 3/2-way valve arranged line or discharge line connect to.
  • a mixing combination of the treatment liquid to be dispensed can optionally be set particularly precisely or the injection device can be realized in a particularly cost-effective manner.
  • the agricultural spraying device has a further metering valve, which is connectable by means of a further supply line to a further treatment liquid tank, arranged in the liquid line and is adapted to meter a further treatment liquid from the further treatment liquid tank into the liquid line.
  • the further metering valve can be designed as a steadily adjustable valve.
  • the further metering valve is designed as a 3/2-way valve. More preferably, the further metering valve is disposed downstream of the first and second metering valves and upstream of the dispensing unit. This allows the
  • Treatment liquids and the carrier liquid can be generated. Finally, it is advantageous if the agricultural spray device is formed by means of an agricultural associated
  • Control device to be controlled in a total closed position.
  • the control device is set up, the carrier liquid valve in a
  • Treatment liquid tank is guided into the liquid line.
  • Carrier liquid is metered into the liquid line when at least one of the metering valves is controlled in a closed position to interrupt passage of the metered from the at least one metering valve treatment liquid.
  • a total volume flow of the liquid to be dispensed or dispensed consists of a sum of the partial volume flows of the liquids metered by the valves, the liquid line.
  • the total volume flow of the liquid to be dispensed is constant. Looks that
  • Method of dispensing a dispensing treatment liquid with only one dosed into the liquid line treatment liquid it sees Method preferably dosing the carrier liquid in the
  • Treatment liquid before to keep constant the total volume flow of the treatment liquid to be dispensed Preference may be given to interrupting a feeding or dosing of a treatment liquid in the
  • Liquid line can be compensated by the supply or dosing of the carrier liquid in the liquid line such that a volume flow of the liquid to be dispensed assumes a constant value.
  • a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory and for carrying out, implementing and / or controlling the steps of the method according to one of the embodiments described above is used, especially when the program product or program is executed on a computer or a device.
  • Figure 1 is a schematic representation of an embodiment of an agricultural spray system with the spray device.
  • FIG. 2 shows a schematic illustration of an embodiment of an agricultural spraying device
  • 3 is a flow chart of a method for dispensing a
  • Treatment liquid on an agricultural area Treatment liquid on an agricultural area.
  • FIG. 1 an agricultural spray system is shown, which is provided in its entirety by the reference numeral 10.
  • the agricultural spray system 10 includes a tractor 12 and a mounted sprayer 14 on the tractor 12.
  • the mounted sprayer 14 has a spray boom 16, a control device 18 and a tank unit 20 with a plurality of liquid tanks.
  • the liquid tanks each contain a liquid.
  • the spray boom 16 is divided into several sections 22. Each of the
  • Partial sections 22 has a plurality of dispensing units 24 designed as spray nozzles 24. On each section 22 are several agricultural assets.
  • each spray nozzle 24 is assigned part exactly to an agricultural spray device.
  • Spraying device comprises the respective spray nozzle and the spray nozzle 24 associated valves and liquid lines.
  • the spray nozzles 24 are connected to the tank unit 20 via hose connections (not shown). Thus, the spray nozzles 24 are formed to spray the liquid 26 to be dispensed from the tank unit 20 onto an agricultural surface 28.
  • Each of the spray nozzles 24 has a plurality of valves associated with the spray nozzle 24.
  • the valves are arranged upstream of the associated spray nozzle 24 at the corresponding part width 22 and by means of one each
  • Hose connection with a liquid tank of the tank unit 20 is connected.
  • the control device 18 is electronically connected to each of the spray nozzles 24 such that the valves can be actuated automatically via the control device 18.
  • the valves are controlled such that the
  • Liquids from the liquid tanks of the tank unit 20 are metered into a liquid line opening in the spray nozzle 24.
  • Fig. 2 an agricultural spray device is shown, which is provided in its entirety by the reference numeral 11.
  • the agricultural spraying device 11 is part of the mounted sprayer 14 or of the agricultural spraying system 10.
  • the spray device 11 has a water tank 30 and three
  • the water tank 30 contains water.
  • the treatment liquid tanks 40, 42, 44 each contain a plant protection agent prediluted to a defined concentration.
  • the spray device 11 comprises a water valve 50 and three
  • the water valve 50 is formed as a 2/2-way valve 50.
  • the metering valves 54, 56, 58 are arranged in the liquid line 60.
  • the metering valves 54, 56, 58 are designed as 3/2-way valves 54, 56, 58.
  • the liquid line 60 is designed as a hose connection 60 and opens into the spray nozzle 24.
  • the water tank 30 is connected by means of a supply line 70 to the water valve 50.
  • the treatment liquid tanks 40, 42, 44 are connected by means of supply lines 80, 82, 84 with the respective metering valve 54, 56, 58.
  • the supply lines 70, 80, 82, 84 are formed as hose connections 70, 80, 82, 84.
  • the water valve 50 and the metering valves 54, 56, 58 are electronically controllable by means of the control device 18 of the spray system 10 assigned to the spray device 11. As a result, the water valve 50 is designed to meter water from the water tank 30 into the liquid line 60. Further, the metering valves 54, 56, 58 are formed, the respective treatment liquid from the associated with the respective metering valve 54, 56, 58
  • Treatment liquid tank 40, 42, 44 to meter into the liquid line 60.
  • the control device 18 is designed to control the valves 50, 54, 56, 58 based on a specification of a mixing combination of the treatment liquid 26 to be dispensed by the control device 18.
  • the spray device 11 is designed to deliver the liquid to be dispensed 26 at least for the following combinations of valve positions with a constant volume flow.
  • the water valve 50 assumes a closed position to allow the passage of water from the water tank 30 into the water
  • Liquid line 60 to interrupt, and the metering valves 54, 56, 58 each take a passage position to the treatment liquids from the
  • the water valve 50 assumes a passageway to pass water from the water tank 30 to the liquid line 60, two of the metering valves 54, 56, 58 each take one
  • the spray device 11 is designed to be controlled by means of the control device 18 in a preferred overall closing position.
  • the control device 18 is arranged to control the water valve 50 in a closed position to interrupt the passage of water from the water tank 30 into the liquid line 60, and the metering valves 54, 56, 58 in each case to control a closed position to a passage the treatment liquids from the treatment liquid tanks 40, 42, 44 to the liquid line 60 to interrupt.
  • FIG. 3 shows a flowchart of a method for delivering a
  • the method comprises a step of receiving 110 specifying a mixing combination of the treatment liquid 26 to be dispensed by means of the control unit 18 assigned to the agricultural spraying device 11. Further, the method includes a step of controlling 120 the water valve 50 to a first water valve position based on the received default to meter water from a water tank 30 into the liquid line 60.
  • the method includes a step of controlling 130 the first metering valve 54 to a first metering valve position based on the received instruction to meter a first treatment fluid from the first treatment fluid tank 40 into the fluid conduit 60.
  • the method further comprises a step of controlling 140 the second metering valve 56 to a second metering valve position based on the received instruction to meter a second treatment liquid from the second treatment liquid tank 42 into the liquid line 60.
  • the method includes a step of controlling 150 the third metering valve 58 to a third metering valve position based on the
  • the method comprises a step of dispensing 160 of the treatment liquid to be dispensed by means of the spray nozzle 24.
  • an exemplary embodiment includes a "and / or" link between a first feature and a second feature, this is to be read such that the
  • Embodiment according to an embodiment both the first feature and the second feature and according to another embodiment, either only the first feature or only the second feature.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

La présente invention concerne un dispositif de pulvérisation agricole (11) pour distribuer un liquide traitant (26) à pulvériser sur une surface agricole au moyen d'une unité de distribution (24), comprenant - une soupape pour liquide porteur (50) qui peut être raccordée, au moyen d'une conduite pour liquide porteur (70), à un réservoir pour liquide porteur (30) et qui est conçue pour doser un liquide porteur provenant du réservoir pour liquide porteur (30) dans une conduite pour liquide (60) raccordée à l'unité de distribution (24), - une première soupape doseuse (52) qui peut être raccordée, au moyen d'une première conduite (80), à un premier réservoir pour liquide traitant (40), qui est agencée dans la conduite pour liquide (60) et qui est conçue pour doser un premier liquide traitant provenant du premier réservoir pour liquide traitant (40) dans la conduite pour liquide (60), et - une seconde soupape doseuse (54) qui peut être raccordée, au moyen d'une seconde conduite (82), à un second réservoir pour liquide traitant (42), qui est agencée dans la conduite pour liquide (60) et qui est conçue pour doser un second liquide traitant provenant du second réservoir pour liquide traitant (42) dans la conduite pour liquide (60).
PCT/EP2019/051172 2018-03-13 2019-01-17 Dispositif de pulvérisation agricole Ceased WO2019174797A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203791.4 2018-03-13
DE102018203791.4A DE102018203791A1 (de) 2018-03-13 2018-03-13 Landwirtschaftliche Spritzvorrichtung

Publications (1)

Publication Number Publication Date
WO2019174797A1 true WO2019174797A1 (fr) 2019-09-19

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Application Number Title Priority Date Filing Date
PCT/EP2019/051172 Ceased WO2019174797A1 (fr) 2018-03-13 2019-01-17 Dispositif de pulvérisation agricole

Country Status (2)

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DE (1) DE102018203791A1 (fr)
WO (1) WO2019174797A1 (fr)

Cited By (1)

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WO2025111605A1 (fr) * 2023-11-26 2025-05-30 Inflexion Point Technologies, Llc Système et procédé de manipulation, de déploiement en temps opportun et d'administration uniforme de micro-quantités de produits sensibles

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US20230306795A1 (en) 2020-08-31 2023-09-28 Basf Agro Trademarks Gmbh Machine-enabled farming

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US5310113A (en) * 1992-12-01 1994-05-10 Cowgur Bruce E Sprayer control system and method for using same
WO2008051815A2 (fr) * 2006-10-23 2008-05-02 Global Agricultural Technology And Engineering, Llc Système de fourniture et de mélange d'injection liquide modulaire
US20130140376A1 (en) * 2010-07-29 2013-06-06 Exel Industries Direct-injection spraying device for a vehicle, in particular an agricultural vehicle, and vehicle provided with such a device
WO2014200896A1 (fr) 2013-06-12 2014-12-18 Agco Coporation Procédé et système ayant un récipient de retenue intermédiaire permettant de combiner des substances d'injection chimiques pour un système de pulvérisation
US20170079200A1 (en) * 2015-09-17 2017-03-23 Cnh Industrial America Llc Independent Nozzle Injection Control System For Sprayers

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US5931882A (en) * 1993-07-29 1999-08-03 Raven Industries Combination grid recipe and depth control system
FR2964047B1 (fr) * 2010-08-31 2015-05-22 Exel Ind Ensemble de pulverisation et pulverisateur equipe d'au moins un tel ensemble
DE102017100778A1 (de) * 2017-01-17 2018-07-19 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren, Flüssigkeitskreislauf und Spritzeinrichtung zum Ausbringen einer Spritzflüssigkeit auf einer landwirtschaftlichen Fläche

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Publication number Priority date Publication date Assignee Title
US5310113A (en) * 1992-12-01 1994-05-10 Cowgur Bruce E Sprayer control system and method for using same
WO2008051815A2 (fr) * 2006-10-23 2008-05-02 Global Agricultural Technology And Engineering, Llc Système de fourniture et de mélange d'injection liquide modulaire
US20130140376A1 (en) * 2010-07-29 2013-06-06 Exel Industries Direct-injection spraying device for a vehicle, in particular an agricultural vehicle, and vehicle provided with such a device
WO2014200896A1 (fr) 2013-06-12 2014-12-18 Agco Coporation Procédé et système ayant un récipient de retenue intermédiaire permettant de combiner des substances d'injection chimiques pour un système de pulvérisation
US20170079200A1 (en) * 2015-09-17 2017-03-23 Cnh Industrial America Llc Independent Nozzle Injection Control System For Sprayers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025111605A1 (fr) * 2023-11-26 2025-05-30 Inflexion Point Technologies, Llc Système et procédé de manipulation, de déploiement en temps opportun et d'administration uniforme de micro-quantités de produits sensibles

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