WO2020088948A1 - Ensemble buse de pulvérisation agricole - Google Patents

Ensemble buse de pulvérisation agricole Download PDF

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Publication number
WO2020088948A1
WO2020088948A1 PCT/EP2019/078283 EP2019078283W WO2020088948A1 WO 2020088948 A1 WO2020088948 A1 WO 2020088948A1 EP 2019078283 W EP2019078283 W EP 2019078283W WO 2020088948 A1 WO2020088948 A1 WO 2020088948A1
Authority
WO
WIPO (PCT)
Prior art keywords
agricultural
spray
spray nozzle
nozzle unit
area
Prior art date
Application number
PCT/EP2019/078283
Other languages
German (de)
English (en)
Inventor
Olaf Ohlhafer
Steffen SIES
Hans-Arndt Freudigmann
Jochen Fehse
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 WO2020088948A1 publication Critical patent/WO2020088948A1/fr

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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
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • A01M7/006—Mounting of the nozzles

Definitions

  • the invention relates to an agricultural spray nozzle unit and an agricultural spraying device, and to a use of the
  • WO 98/37974 discloses a grouped arrangement of spray nozzles on a spray boom of a field sprayer.
  • the spray nozzles are arranged one behind the other in the direction of travel of the field sprayer in order to generate a large number of different spray rates by activating or deactivating individual spray nozzles with the same quality or quality of the associated spray profiles as possible.
  • the present invention relates to an agricultural item
  • Spray nozzle unit for mechanically detachable connection to a
  • agricultural sprayer for dispensing a spray liquid provided by the agricultural sprayer onto an area of an agricultural area to be treated according to a
  • the present invention further relates to an agricultural spraying device with a spray boom and an agricultural spray nozzle unit mechanically detachably connected to the spray boom of the agricultural spraying device according to an independent claim.
  • the present invention also relates to the use of at least one agricultural spray nozzle unit with at least two Spray nozzles for mechanically releasable connection to an agricultural spraying device according to an independent claim.
  • Plant protection device be trained.
  • the agricultural spraying device can be arranged and / or arranged on or on a mobile unit.
  • the mobile unit can be designed as a land vehicle and / or aircraft and / or trailer.
  • the mobile unit can in particular be an agricultural machine, for example a tractor
  • the agricultural spraying device can also be attached to a hydraulic device of the agricultural working machine. It is also conceivable that the agricultural spraying device is constructed on a loading area of the agricultural working machine. Alternatively, the agricultural sprayer on the
  • the agricultural sprayer is designed to be an agricultural area with the
  • the agricultural spray device has at least one agricultural spray nozzle unit for dispensing the spray liquid.
  • the agricultural spray nozzle unit is mechanically detachable with, in particular one
  • Liquid outlet connected to the agricultural sprayer.
  • the agricultural spraying device preferably comprises a tank for holding the spraying liquid.
  • the spray liquid can be guided or directed from the tank to the agricultural spray nozzle unit by means of a liquid line or a plurality of liquid lines.
  • a liquid line can also be understood to mean a section of the corresponding liquid line.
  • the liquid line can be designed as a fluidic connection line, for example in the form of a tube, hose, channel or tube.
  • the agricultural spraying device preferably also has a valve unit upstream of the liquid outlet. It is conceivable that everyone
  • Liquid outlet is assigned its own valve unit. Alternatively, you can be assigned to several liquid outlets of the same valve unit.
  • a valve unit can be provided for each section of the agricultural spraying device.
  • the valve unit can be a directional valve,
  • a control unit can be assigned to the valve unit.
  • the control unit can be part of the
  • the control unit can control the dispensing of the spray liquid by controlling the valve unit.
  • the agricultural spray nozzle unit has a connection unit which is designed to connect the agricultural spray nozzle unit to the agricultural spray device in a mechanically detachable or detachable manner in order to connect the spray liquid provided by the agricultural spray device to at least two spray nozzles of the agricultural spray device
  • connection unit is designed to connect the agricultural spray nozzle unit to the agricultural spraying device in a non-positive and / or positive manner, the non-positive and / or positive connection being releasable again.
  • The is preferred
  • Connection unit formed, a screw connection between the agricultural spray nozzle unit and the agricultural
  • connection unit can comprise one or more threaded elements, for example a screw, a nut, in particular a union nut. It is also conceivable that the connecting unit comprises a bayonet lock in order to mechanically detachably connect the agricultural spray nozzle to the agricultural spray device.
  • connection unit is designed, one
  • connection unit is designed to be a fluid connection between the spray nozzles and the liquid outlet or a tank of the spray liquid
  • the liquid outlet of the Agricultural spraying device can comprise a receptacle for a spray nozzle or a spray nozzle holder.
  • the receptacle for a spray nozzle or a spray nozzle holder can comprise a receptacle for a spray nozzle or a spray nozzle holder.
  • Liquid outlet be a hose connection.
  • the liquid line is preferably a hose connection at least in sections.
  • the connecting unit is preferably designed to mechanically detachably arrange the agricultural spray nozzle unit instead of and instead of a single spray nozzle on the agricultural spray device. With this configuration, the agricultural spray nozzle unit can be adjusted without
  • agricultural spraying device can be connected, making a technically simple and inexpensive retrofit of an existing one
  • the agricultural spray nozzle unit has at least two, preferably two or three, spray nozzles for dispensing the spray liquid.
  • the agricultural spray nozzle unit can therefore be a spray arm or a spray arm.
  • the spray nozzles are preferably along a longitudinal axis of the
  • the agricultural spray nozzle unit can have a length along the longitudinal axis which corresponds to a customary spatial distance between adjacent spray nozzles on an agricultural spray device.
  • the spatial extent along the longitudinal axis can have a value of 25 cm, 50 cm or 100 cm with a deviation of a few cm in each case.
  • the spray nozzles can be spray nozzles known from the prior art.
  • the spray nozzles can for example be known flat jet nozzles or known edge spray nozzles.
  • the spray nozzles are designed, the spray liquid by means of one each
  • liquid jets or spray jets or spray profiles or spray cones preferably overlap or partially overlap.
  • a liquid jet or spray jet or spray profile or spray cone can be understood to mean a characteristic, in particular a spatial distribution of the dispensed liquid before the impact on the agricultural area. It is conceivable that the
  • Spray jet over a spray angle a spray width at a defined Spray height, a volume flow, a size distribution of liquid drops in the dispensed spray liquid, a speed of liquid drops in the dispensed spray liquid or an impact force of the dispensed liquid on a surface is defined.
  • the spray nozzle unit is preferably designed such that at least two adjacent spray nozzles deliver the spray liquid simultaneously, in particular by means of two different spray jets.
  • the different spray jets can be spatially
  • the spray nozzles are arranged and designed, the spray liquid supplied to one spatial distribution of the spray liquid in each case
  • the partial areas preferably of spray nozzles arranged adjacent to the spray nozzle unit, partially overlapping spatially and together form the area to be treated such that a substantially spatially homogeneous
  • the spray liquid can be distributed under a distribution, in particular an individual distribution and / or an overall distribution
  • Area element of the agricultural area can be understood. So the distribution of the spray liquid or the resulting amount of effort on the agricultural area has the physical dimension of cubic meters per square meter, i.e. Meters, up. Alternatively, the distribution can therefore be as
  • Precipitation or can be called layer thickness. Accordingly, a distribution per time interval can be referred to as the precipitation rate.
  • an essentially spatially homogeneous distribution can be applied to one by means of a spray jet
  • sprayed treatment area to be understood a distribution that when adding the spray jet to the treated area of dispensed volume of spray liquid along a horizontal axis perpendicular to a spray rod of the agricultural spraying device or along a direction of movement of the agricultural spraying device results in a spatially constant volume of spraying liquid on the area to be treated perpendicular to the direction of movement of the agricultural spraying device.
  • a distribution can then be described as essentially spatially homogeneous if, when a region to be treated is swept or passed over by means of the agricultural spraying device, each surface element of the area
  • treated area is treated with the same volume of spray liquid.
  • an essentially spatially homogeneous distribution of the spray liquid is a distribution of the spray liquid which, in particular, also has a homogeneous distribution of the spray liquid in a spatial edge region of the distribution.
  • the essentially spatially homogeneous distribution therefore drops rapidly or steeply in the spatial edge region of the distribution.
  • the spray liquid preferably strikes in the
  • the individual distribution from one spray nozzle to the one is preferred
  • Agricultural land dispensed spray liquid a spatially inhomogeneous or spatially unevenly distributed or uneven distribution.
  • the agricultural spray nozzle unit can have a check valve or a “drip stop”.
  • the check valve is designed that
  • the defined liquid pressure can in this case be controllable by means of a control valve of the agricultural spraying device assigned to the agricultural spray nozzle unit.
  • This configuration enables the spray liquid to be dispensed simultaneously or simultaneously by means of a plurality of spray nozzles of a spray nozzle unit. Furthermore, this can result in an undesired dispensing of spray liquid onto the agricultural area after one of the agricultural areas has been closed Spray nozzle unit associated with the agricultural control valve
  • Spraying device can be prevented.
  • An agricultural area can be understood to mean an area used for agriculture, a cultivated area for plants or a plot of such an area or cultivated area.
  • Agricultural land can therefore be a field, arable land, grassland or pasture.
  • the plants can, for example, useful plants, the fruit of which is used for agriculture (for example as food, feed or as an energy plant), and weeds or
  • Weeds and grasses include.
  • the plants can be part of the
  • an area of an agricultural area to be treated can be understood to mean an area of an agricultural area which is intended for treatment with a liquid.
  • Treatment of the agricultural area with the liquid can include dispensing or dispensing the liquid onto the agricultural area and / or onto a plant on the agricultural area. It is also conceivable that the treatment of the agricultural area with the liquid comprises mechanical processing or damage to, for example, weeds on the agricultural area.
  • the spray liquid has at least one active agent.
  • the spray liquid can also have two or more active agents.
  • the active agent can be a spray, i.e. have an agricultural preparation or pesticide, in particular a pesticide concentrate.
  • the active ingredient can accordingly have, for example, a herbicide, fungicide or an insecticide (pesticide).
  • the active ingredient can also be a fertilizer, in particular a
  • the active ingredient can therefore be one
  • the active agent can be designed as a liquid, ie as an active ingredient liquid or as a solid, for example in the form of granules or pellets or as a pre-dissolved solid, for example in the form of pre-dissolved granules or pellets.
  • the spray liquid preferably also has a liquid, in particular a carrier liquid, for diluting the active agent. Under one
  • Carrier liquid can be understood in the context of the present invention to be a liquid which is designed to be mixed with the active ingredient in order to enable or improve the application or release of the active ingredient, for example the crop protection agent or the fertilizer. It is also conceivable that an active substance present as a solid or granulate is suspended in the carrier liquid. It is also conceivable that an active ingredient which is insoluble in the carrier liquid is emulsified in the carrier liquid.
  • the carrier liquid is preferably water.
  • a spray liquid can also be understood to mean a suspension or an emulsion or a mixture of a suspension and an emulsion.
  • the spray liquid is preferably designed as a diluted crop protection agent or diluted fertilizer.
  • an existing agricultural spray device can be retrofitted or expanded with additional spray nozzles in a modular and technically particularly simple and cost-effective manner.
  • the area of the agricultural area sprayed by all spray nozzles of a single spray nozzle unit is treated homogeneously.
  • the spray liquid is dispensed spatially homogeneously onto the area of the agricultural area to be treated, both in partial area applications in which individual or more spray nozzle units are switched on or off, and in the case of full area application.
  • the agricultural spray nozzle unit or spraying device enables a particularly efficient use of spray liquid in which, on the one hand, the formation of resistances due to inhomogeneous and therefore locally insufficiently applied spray liquid and, on the other hand, an overload of agricultural land and groundwater as well as damage to the crops by inhomogeneous and therefore locally too much spread out
  • Spray liquid can be prevented.
  • the spray nozzles are each arranged at a longitudinal end of the agricultural spray nozzle unit. This means, in other words, that one of the spray nozzles is in relation to a longitudinal axis of the agricultural spray nozzle unit is arranged opposite longitudinal ends of the agricultural spray nozzle unit.
  • a longitudinal end can be understood to mean an end region of the agricultural spray nozzle unit, with respect to the longitudinal axis of the agricultural
  • a spatial distance between the longitudinal ends opposite the longitudinal axis of the agricultural spray nozzle unit can be larger, in particular by a multiple, than a spatial extension of one
  • two or more agricultural spray nozzle units can be arranged so closely adjacent to an agricultural spraying device along a common axis that the areas treated by the agricultural spray nozzle units at least adjoin or overlap.
  • the edge spray nozzle can have an asymmetrical spray angle.
  • the spray angle consists of two partial angles relative to a vertical or vertical, in particular the agricultural spray nozzle unit, and the two partial angles are of different magnitudes.
  • the spray angle of the edge spray nozzle can be a first partial angle greater than or equal to 5 ° and less than or equal to 30 ° and a second partial angle greater than or equal to 30 ° and small or equal to 70 °.
  • Edge spray nozzle can be an edge nozzle.
  • the standard spray nozzle can have symmetrical spray angle. In other words, the spray angle from two partial angles relative to a perpendicular to the
  • the spray angle can be greater than or equal to 70 ° and less than or equal to 130 °, preferably 80 °, 90 °, 100 ° 110 ° or 120 °.
  • the standard spray nozzle can be a flat jet nozzle. It is conceivable here that the spray angles of the spray nozzles at the edge region are provided as a function of a spatial distance between adjacent spray nozzle units. It is also conceivable that spray nozzles with such spray angles
  • the essentially spatially homogeneous overall distributions of the individual spray nozzle units partially overlap. It is also conceivable that the standard sprayers are tilted or rotated toward one another about a horizontal axis, preferably oriented along a direction of travel of the agricultural spraying device. The standard spray nozzles can each be tilted toward one another by a tilt angle that
  • the tilt angle for each spray nozzle can be greater than or equal to 10 ° and less than or equal to 40 °, preferably greater than or equal to 20 ° and less than or equal to 30 °.
  • the spray nozzles arranged on the opposite longitudinal ends are designed on an agricultural spraying device when used as intended, an outer edge region of one
  • the agricultural spray nozzle unit can be implemented in a technically particularly simple manner and without providing additional valve controls.
  • the agricultural spray nozzle unit has a further spray nozzle which is designed to dispense the spray liquid supplied for a further spatial individual distribution of the spray liquid onto a further partial area of the agricultural area, the further partial area being at least partially spatially superimposed on one another and the area to be treated comprises the further partial area. It is conceivable that a first liquid jet with a first in a first and a second edge area spatially inhomogeneous individual distribution in the first edge area with a second liquid jet with a spatially
  • the spray nozzle unit is designed to dispense the spray liquid by means of a plurality of spray jets, each with a spatial individual distribution of the liquid onto a subarea of the agricultural area, the spray jets being able to be formed next to one another and spatially adjacent spray jets being superimposed, with adjacent subareas partially overlap spatially and together form the area to be treated, so that an in
  • Agricultural spray nozzle unit adapted to the required spray accuracy can be provided.
  • the at least three spray nozzles are spatially evenly spaced along a longitudinal axis of the agricultural spray nozzle unit.
  • adjacent spray nozzles may be spaced along a spatial dimension along the length
  • Spray nozzle unit to a longitudinal axis of the spray boom
  • agricultural spraying device is oriented rotated by a vertical, in particular the agricultural spraying device, by an angle of greater than or equal to 0 ° and less than or equal to 20 °, preferably greater than or equal to 0 ° and less than or equal to 5 °.
  • the perpendicular is preferably oriented orthogonally to the longitudinal axis of the spray boom of the agricultural spraying device. Due to the twisted arrangement, agricultural spray nozzle units whose spatial extent along the longitudinal axis of the agricultural spray nozzle unit is longer than a spatial distance be arranged between adjacent liquid outlets of the agricultural spraying device, adjacent to the agricultural spraying device. With this configuration, the agricultural spray nozzle units arranged adjacent to the agricultural spraying device are formed directly
  • the agricultural spraying device has a further agricultural spray nozzle unit which is mechanically detachably connected to the agricultural spraying device, a spatial distance between the agricultural spray nozzle units being selected such that the areas of the agricultural area to be treated essentially adjoin one another spatially or partially overlap.
  • a spatial distance between the spray nozzle units is preferably a few cm. This configuration allows either one or more spatially spaced
  • Spray nozzle units are treated.
  • a spatial distance between a spray nozzle of the agricultural spray nozzle unit and a spray nozzle of the further agricultural spray nozzle unit arranged adjacent to the spray nozzle is, in particular substantially, smaller than a spatial distance between adjacent spray nozzles of the agricultural
  • Spray nozzle unit The spatial distance between the spray nozzle of the agricultural spray nozzle unit and the spray nozzle of the further agricultural spray nozzle unit arranged adjacent to the spray nozzle can be less than or equal to 25 cm, preferably less than or equal to 10 cm.
  • Spray nozzle units no danger of developing resistance at the transitions between areas of the agricultural area to be treated and those not to be treated.
  • Fig. 1 is a schematic representation of an agricultural item
  • 2A, B are schematic representations of a sprayer boom
  • Fig. 3 is a plan view of a schematic representation of a
  • Sprayer boom of an agricultural sprayer is an agricultural sprayer.
  • Fig. 1 an agricultural spraying device is shown, which is provided in its entirety with the reference number 10.
  • the agricultural spraying device 10 comprises a tractor 12 and a spraying device 14 designed as a mounted sprayer 14.
  • the mounted sprayer 14 is arranged on the tractor 12.
  • the spray boom 18 is divided into seven sections 22. At each of the sections 22 there is a hose connection 24
  • Liquid outlet 24 arranged.
  • the hose connection 24 is connected to the liquid tank 16 via hose connections (not shown).
  • An agricultural spray nozzle unit 30 is arranged on each of the hose connections 24 of the spray boom 18 by means of a connecting unit in each case
  • the agricultural spray nozzle units 30 each have three spray nozzles, all of which are provided with the reference symbol 32.
  • the spray nozzles 32 are by means of a liquid line of the respective
  • agricultural spray nozzle unit 30 fluidly connected to the corresponding hose connection 24.
  • the spray nozzles 32 are thus formed Dispense spray liquid from the tank 16 onto an area 28 of an agricultural area 26 to be treated.
  • a section of a sprayer boom 18 is one
  • the sprayer boom 18 includes one
  • a 2/2-way valve is arranged at each output section of the hose connection 23 in order to control the flow or delivery of a spray liquid from the hose connection 23 through the liquid outlet 24 into liquid lines 33 of the agricultural spray nozzle units 30.
  • the agricultural spray nozzle units 30 each have one
  • the agricultural spray nozzle units 30 are mechanically detachably arranged on the hose connection 24 by means of a connecting unit 40 each designed as a bayonet lock 40. This can be one of the agricultural
  • Spray device 10 provided spray liquid are supplied to the spray nozzles 32 of the agricultural spray nozzle unit 30.
  • the spray nozzles 32 are designed to deliver the spray liquid supplied in each case to a spatial individual distribution of the spray liquid to a subarea of the agricultural area 26, the subareas partially overlapping spatially and together forming the area 28 to be treated such that an essentially spatially homogeneous overall distribution of the spray liquid on the area 38 to be treated of the agricultural area 26 results.
  • the spray nozzle units 32 are relative to one another along a longitudinal axis of the spray boom 18
  • each agricultural spray nozzle unit 30 comprises three
  • Spray nozzles 34, 36, 38 are in relation to each other a longitudinal axis of the agricultural spray nozzle unit 32
  • the spray nozzles 34, 36 arranged on the opposite longitudinal ends are edge spray nozzles 34, 36.
  • the edge spray nozzles 34, 36 are designed, when the agricultural spray nozzle unit 30 is mechanically detachably connected to the agricultural spray device 10, one at a time
  • the spray jet 44 has a spray angle, the size of which results from the sum of two partial angles 50, 52 relative to a vertical of the agricultural spray nozzle unit 30.
  • the spray angle of the spray jet 44 is asymmetrical in that the size of the two partial angles 50, 52 is different in amount.
  • the partial angle 50 has a value of 5 ° and the partial angle 52 has a value of 55 °.
  • the spray nozzle 38 arranged between the edge spray nozzles 34, 36 is a flat jet nozzle 38.
  • Spray nozzle 38 has a symmetrical spray angle of, for example, 110 °.
  • the spray nozzles 34, 36, 38 are designed to deliver the spray liquid supplied to a respective individual spatial distribution of the spray liquid to a partial area of the agricultural area 26.
  • the overlap is designed to deliver the spray liquid supplied to a respective individual spatial distribution of the spray liquid to a partial area of the agricultural area 26.
  • Partial areas of the spray nozzles 34, 38 and the spray nozzles 36, 38 are partially spatial and together form the area 28 to be treated such that an overall spatially homogeneous overall distribution of the
  • Spray liquid on the area 38 to be treated of the agricultural area 26 results.
  • each agricultural spray nozzle unit 30 comprises two
  • Spray nozzles 34, 36 which are arranged on longitudinal ends of the agricultural spray nozzle unit 30 opposite to a longitudinal axis of the agricultural spray nozzle unit 30 and are designed as edge spray nozzles 34, 36.
  • the partial areas of the spray nozzles 34, 36 overlap and together form the area 28 to be treated such that a
  • FIG. 3 shows a top view of a section of a spray boom 18.
  • an agricultural spray nozzle unit 30 with three spray nozzles 32 or 34, 36, 38 is mechanically detachably arranged on each hose connection 24 of the spray boom 18.
  • a longitudinal axis 54 of the agricultural spray nozzle unit 30 is perpendicular to a longitudinal axis 56 of the spray boom 18 of the agricultural spraying device 10
  • agricultural sprayer 10 rotated by an angle 58 of 20 °, for example.
  • the agricultural spray nozzle units 30 arranged adjacent to the agricultural spraying device are designed to treat overlapping regions of the agricultural area when driving over or sweeping over the agricultural area.
  • an exemplary embodiment comprises an “and / or” link between a first feature and a second feature, this is to be read in such a way that the exemplary embodiment according to one embodiment has both the first feature and the second feature and according to a further embodiment either only that has 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

L'invention concerne un ensemble buse de pulvérisation agricole (30) destiné à être relié mécaniquement de manière amovible à un dispositif de pulvérisation agricole pour distribuer un liquide de projection fourni par le dispositif de pulvérisation agricole sur une zone à traiter d'une surface agricole, cet ensemble comprenant une unité de liaison (40) qui est conçue pour relier mécaniquement de manière amovible l'ensemble buse de pulvérisation agricole (30) au dispositif de pulvérisation agricole afin d'acheminer le liquide de pulvérisation fourni par le dispositif de pulvérisation agricole jusqu'à au moins deux buses de pulvérisation (34, 36) de l'ensemble buse de pulvérisation agricole (30), les buses de pulvérisation (34, 36) étant disposées et conçues pour distribuer le liquide de pulvérisation acheminé avec une répartition individuelle spatiale du liquide de pulvérisation sur une zone partielle respective de la surface agricole, les zones partielles se chevauchant partiellement dans l'espace et formant ensemble la zone à traiter de telle sorte qu'il en résulte une répartition globale sensiblement homogène dans l'espace du liquide de pulvérisation sur la zone à traiter de la surface agricole.
PCT/EP2019/078283 2018-10-29 2019-10-17 Ensemble buse de pulvérisation agricole WO2020088948A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018218490.9 2018-10-29
DE102018218490.9A DE102018218490A1 (de) 2018-10-29 2018-10-29 Landwirtschaftliche Spritzdüseneinheit

Publications (1)

Publication Number Publication Date
WO2020088948A1 true WO2020088948A1 (fr) 2020-05-07

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PCT/EP2019/078283 WO2020088948A1 (fr) 2018-10-29 2019-10-17 Ensemble buse de pulvérisation agricole

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DE (1) DE102018218490A1 (fr)
WO (1) WO2020088948A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4298904A1 (fr) * 2022-06-29 2024-01-03 Amazonen-Werke H. Dreyer SE & Co. KG Procédé d'épandage de produit de pulvérisation sur une surface agricole à l'arbre au moyen d'un dispositif de pulvérisation agricole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842195A (en) * 1988-01-19 1989-06-27 Koll Laurel A Apparatus and methods for directing spray nozzles
WO1998037974A1 (fr) 1997-02-28 1998-09-03 Btg International Limited Ensemble buse de pulverisation
US6375089B1 (en) * 2000-02-14 2002-04-23 The Ohio State University Multiple sprayer assembly and method for use
EP1254723A1 (fr) * 2001-04-25 2002-11-06 Lechler GmbH & Co.KG Appareil de pulvérisation, notamment pour l'agriculture
EP3090630A1 (fr) * 2015-05-04 2016-11-09 Deere & Company Pulverisateur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842195A (en) * 1988-01-19 1989-06-27 Koll Laurel A Apparatus and methods for directing spray nozzles
WO1998037974A1 (fr) 1997-02-28 1998-09-03 Btg International Limited Ensemble buse de pulverisation
US6375089B1 (en) * 2000-02-14 2002-04-23 The Ohio State University Multiple sprayer assembly and method for use
EP1254723A1 (fr) * 2001-04-25 2002-11-06 Lechler GmbH & Co.KG Appareil de pulvérisation, notamment pour l'agriculture
EP3090630A1 (fr) * 2015-05-04 2016-11-09 Deere & Company Pulverisateur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4298904A1 (fr) * 2022-06-29 2024-01-03 Amazonen-Werke H. Dreyer SE & Co. KG Procédé d'épandage de produit de pulvérisation sur une surface agricole à l'arbre au moyen d'un dispositif de pulvérisation agricole

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