EP3694651A1 - Buse pour dispositif de pulvérisation - Google Patents
Buse pour dispositif de pulvérisationInfo
- Publication number
- EP3694651A1 EP3694651A1 EP18826415.4A EP18826415A EP3694651A1 EP 3694651 A1 EP3694651 A1 EP 3694651A1 EP 18826415 A EP18826415 A EP 18826415A EP 3694651 A1 EP3694651 A1 EP 3694651A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- opening
- horn
- air
- tooth
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, 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
- B05B1/3026—Gate valves; Sliding valves; Cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, 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
- B05B1/3033—Nozzles, 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 control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/3086—Nozzles, 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 control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a grooved body, which is movable in the outlet orifice
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, 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
- B05B1/32—Nozzles, 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 in which a valve member forms part of the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/025—Nozzles having elongated outlets, e.g. slots, for the material to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
Definitions
- the present invention relates to a nozzle for a spraying device.
- a spraying device is conventionally used, carried by an agricultural machine, such as a tractor or a trailer, in order to traverse a plant plantation, advantageously in line, such as trees or vines, and to spray on said plants a product. plant.
- an air circuit brings a propelling air to a nozzle.
- the propellant air enters through an inlet of the nozzle, the cross member through and out through an opening at the outlet, in the form of a jet of air directed towards the plants to be treated.
- the nozzle provides a function of shaping the air jet and its distribution to the plants to be treated.
- the phytosanitary product is dispersed at the exit opening of the nozzle in order to be worn or blown by the jet of air into the foliage of the plants to be treated.
- the present invention overcomes this disadvantage by providing a nozzle for a spraying device comprising, at its distal end, a flag whose opening comprises at least one tooth.
- the entire contour of the opening is serrated.
- a tooth has a height and / or a width of between 1 and 50% of the length of the opening.
- the interior of the nozzle such as the interior of the roof, comprises pins and / or blades.
- the nozzle further comprises a rotary plug disposed in the horn, where the inside of the plug comprises pins and / or blades.
- a pin or a blade has a height of between 1 and 50% of the length of the opening.
- the presence of tooth at the outlet opening of the nozzle or pins and / or blades inside the nozzle tends to disturb the flow of the air jet.
- the jet of air thus rendered turbulent increases its chances of deflecting the screen sheet and thus increases the penetration of the treatment in the foliage.
- the invention further relates to a spraying device comprising such a nozzle.
- FIG. 1-5 illustrates in perspective view a possible embodiment of a nozzle according to the invention
- FIGS. 1 and 2 show an entire nozzle
- FIGS. 3 and 4 show a nozzle cut along a longitudinal plane
- a nozzle 2 forms a pipe capable of transporting propellant air, typically from a turbine.
- nozzle means an assembly configured to ensure a mixture of a phytosanitary product with the propellant air to form an aerosol, that is to say to spray and diffuse the aerosol.
- this nozzle is removable in one piece of the wall which carries it for easy maintenance.
- the air enters through an air inlet 31 formed in a sleeve 3.
- the air typically arrives from the top. It is deflected by an elbow in the sleeve 3, to continue its course substantially horizontally.
- the sleeve 3 is extended, in continuity, by a horn 5 in charge of the diffusion of the propelling air.
- the horn 5 forms the distal end of the nozzle 2 and ends at its opening 51.
- the opening is understood to mean the terminal edge of the horn 5.
- this opening 51 of the horn 5 comprises at least one tooth 54, 55, 56.
- the objective of this at least one tooth 54, 55, 56 is to disrupt the jet of air coming out of the nozzle in order to make it turbulent, so as to agitate the leaves, to increase the penetration of the phytosanitary product and to avoid a risk of masking by a screen sheet.
- teeth 53, 54, 55 along the contour of the opening 51 is all the more advantageously disturbing for the jet of air that the teeth cover a large length of the contour of the opening 51.
- the entire contour of the opening 51 is serrated.
- the horn 5 is configurable by means of two flaps 52, 53 movable relative to the horn body 57, in order to vary the size of the opening 51 and the opening angle of the spray jet.
- This feature is advantageous in that a flag 5 more open can spray at a shorter distance, for plants closer. On the contrary a flag 5 more closed allows to spray at a greater distance, for plants more distant.
- Each flap 52, 53 is preferably independently adjustable.
- the axis of articulation of a flap is preferably horizontal.
- the setting can be continuous or in discrete positions.
- Position locking means is advantageously used to allow the adjustment to resist shaking.
- the contour of the opening 51 is shared between the three pieces 57, 52, 53. Also, at least one tooth 54 is disposed on the portion of the opening 51 made by the body 57, at least one tooth 55 is disposed on the part of the opening 31 made by the flap 52 and at least one tooth 56 is disposed on the part of the opening 51 carried out by component 53.
- teeth 53, 54, 55 have any profile, for example triangular.
- the height and / or the modulus of a tooth 53, 54, 55 is between 1 and 50% of the length of the opening 21 of the roof 5.
- a significant turbulence creating effect is obtained by teeth 53, 54, 55 disposed on the opening 51.
- This effect can be further increased by placing inside, for example on at least one inner wall of the nozzle 2, pins 82 and / or blades 81.
- the term internal wall is preferably a wall in contact with the air flow when it passes through the nozzle 2.
- These pins 82 and / or blades 81, of substantially transverse extension in the direction of the air flow are intended to disturb the flow of air as it passes through the nozzle 2 and particularly when it runs along the inner walls.
- a lined wall of pins and / or blades can be any internal wall. It may be the inner wall of the sleeve 3. However the disruptive effect obtained is all the more important as one approaches the exit. Also the inner wall of the roof 5 is preferred.
- the pins 82 are substantially punctual and have a height of between 1 and 50% of the length of the opening 51 of the horn 5.
- the blades 81 have any shape, for example linear or wave, of any length.
- the blades 81 have a height of between 1 and 50% of the length of the opening 51 of the roof 5.
- the nozzle 2 also comprises a closure means 8, in the form of a plug 8.
- This plug 8 is arranged, advantageously in the horn 5 and its rotation allows to vary the useful section of the horn 5 / of the nozzle 2.
- FIG. 3 shows an open plug 8 and FIG. a bushel 8 closed.
- the inner walls in contact with the air are not those of the flag 5, but those of the plug 8.
- the internal walls of the plug 8 include pins 82 and / or blades 81.
- the bushel 8 as shown has two openings for the passage of air and therefore four internal walls.
- the two central walls are here covered with blades 81, while the two side walls are covered with pins 82.
- Such an arrangement is of course illustrative.
- the invention also relates to a spraying device comprising such a nozzle 2.
- This nozzle is more commonly known as a diffuser.
- This nozzle forms an assembly or block which is configured to be selectively mountable and dismountable in one piece of the wall that carries it, preferably without tools.
- this diffuser comprises a channel intended to carry air from its inlet to its outlet.
- This channel is provided with at least one protuberance shaped to act on the flow of air. By acting it is understood that the protuberances can guide the flow of air. It is similar to slats as can be seen on the right side of Figure 4.
- protuberances can disturb the air flow at the outlet of the diffuser.
- These protuberances then have the form of pin and / or ribs arranged in the channel.
- protuberances are completed and / or replaced by elements reported in the channel.
- the diffuser does not include moving flaps on the output.
Landscapes
- Nozzles (AREA)
- Treatment Of Fiber Materials (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1761230A FR3074070B1 (fr) | 2017-11-27 | 2017-11-27 | Buse pour dispositif de pulverisation |
| PCT/FR2018/053004 WO2019102168A1 (fr) | 2017-11-27 | 2018-11-27 | Buse pour dispositif de pulvérisation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3694651A1 true EP3694651A1 (fr) | 2020-08-19 |
| EP3694651B1 EP3694651B1 (fr) | 2021-11-17 |
Family
ID=61003222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18826415.4A Active EP3694651B1 (fr) | 2017-11-27 | 2018-11-27 | Buse pour dispositif de pulvérisation |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3694651B1 (fr) |
| ES (1) | ES2900319T3 (fr) |
| FR (1) | FR3074070B1 (fr) |
| WO (1) | WO2019102168A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1837575A (en) * | 1929-11-18 | 1931-12-22 | Elmer G Munz | Spray head |
| CA933977A (en) * | 1970-09-16 | 1973-09-18 | G. Vicard Pierre | Spraying nozzles |
| FR2912601B1 (fr) * | 2007-02-21 | 2010-01-01 | Exel Ind | Diffuseur de produits liquides comprenant un deflecteur et equipement de pulverisation muni d'un tel deflecteur |
| EP3194078B1 (fr) * | 2014-08-15 | 2025-01-15 | ABC Technologies Inc. | Buse compacte de rondelle de cisaillement à lèvre fendue |
-
2017
- 2017-11-27 FR FR1761230A patent/FR3074070B1/fr active Active
-
2018
- 2018-11-27 WO PCT/FR2018/053004 patent/WO2019102168A1/fr not_active Ceased
- 2018-11-27 ES ES18826415T patent/ES2900319T3/es active Active
- 2018-11-27 EP EP18826415.4A patent/EP3694651B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2900319T3 (es) | 2022-03-16 |
| EP3694651B1 (fr) | 2021-11-17 |
| FR3074070A1 (fr) | 2019-05-31 |
| WO2019102168A1 (fr) | 2019-05-31 |
| FR3074070B1 (fr) | 2020-11-27 |
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