EP3706571A1 - Spritzeinrichtung - Google Patents
SpritzeinrichtungInfo
- Publication number
- EP3706571A1 EP3706571A1 EP18804234.5A EP18804234A EP3706571A1 EP 3706571 A1 EP3706571 A1 EP 3706571A1 EP 18804234 A EP18804234 A EP 18804234A EP 3706571 A1 EP3706571 A1 EP 3706571A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spraying device
- mixing
- camshaft
- valve
- inlet
- 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.)
- Withdrawn
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000007921 spray Substances 0.000 claims abstract description 44
- 239000013543 active substance Substances 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract 2
- 239000012530 fluid Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000000203 mixture Substances 0.000 description 16
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000004480 active ingredient Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 8
- 229940079593 drug Drugs 0.000 description 8
- 239000000575 pesticide Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 239000004476 plant protection product Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
-
- 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
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
- A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
-
- 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
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
- B05B12/1418—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet for supplying several liquids or other fluent materials in selected proportions to a single spray outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/005—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers
-
- 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
- B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
- B05B7/28—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid
- B05B7/32—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid the fed liquid or other fluent material being under pressure
Definitions
- the invention relates to an injection device for dispensing liquids, in particular for agricultural purposes, with at least one spray nozzle for ejecting the liquid and at least one mixing device having at least one mixing chamber, wherein the mixing chamber at least a first inlet for a carrier liquid, at least a second inlet for a drug liquid and at least one drain, and wherein the
- Mixing device at least one adjusting element for adjusting a
- Spray mixture consisting of at least one active agent, in particular a drug liquid, such as pesticides, and a carrier liquid, in particular water, are premixed before the actual application in a field.
- a drug liquid such as pesticides
- a carrier liquid in particular water
- Direct injection designates and requires a complex construction of an injection device, which must provide necessary valves and the like.
- Spraying devices of the type mentioned are known from the prior art.
- published patent application DE 10 2006 059 193 A1 discloses an injection device which has a mixing chamber which contains a carrier liquid and an active substance liquid, in particular a
- Plant protection products can be supplied. It is envisaged that
- Active agent containing bypass line opens into a leading to a plurality of spray carrier liquid line.
- Passage valves or adjusting valves each with a valve element as an actuating element, which forms the mixing chamber
- Liquid lines are connected upstream.
- Another injection device is known for example from the published patent application DE 31 40 441 AI, with a metering pump, which is designed as a piston pump, wherein in the metering carrier liquid and active substance liquid are combined, so that the metering pump itself act as a mixing device with a mixing chamber and the pistons as adjusting elements ,
- the spraying device with the features of claim 1 has the advantage that a particularly compact mixing device of the spraying device available is provided, which has a simple operation and a low probability of failure.
- a space-saving design is guaranteed due to their compact design, which also has a weight-saving effect, so that a carrying the mixing device with the spraying device is easily possible.
- the invention provides
- Spraying device that the adjusting element is rotatably mounted in the mixing chamber, wherein a flow cross section of the first inlet and / or the second inlet is set depending on the rotational position of the particular only one actuating element.
- the mixing ratio is influenced by a lying in the mixing chamber actuator, whereby a particularly compact embodiment is achieved. Due to the rotatable mounting of the actuator is a simple adjustment of the desired
- Flow cross section of the drain adjustable In addition, more than just two inlets can be present and operated by the actuator as described above.
- the adjusting element is designed as a camshaft and that at least one of the feeds has an actuatable by the camshaft valve. This will be a particularly simple
- the respective valve has a movably mounted and spring-biased in the direction of the camshaft valve member sealingly abuts the affected access in a non-actuated state of the camshaft to a valve seat of the valve.
- the respective valve thus has a movable Valve element which in the normal state, or a state when it is not actuated by the camshaft sealingly abuts a valve seat, and thereby the affected or associated
- Valve element displaced by the camshaft against the spring force, so that it occupies a distance to the valve seat, whereby the
- Carrier liquid can flow through the access thus opened. Due to the spring preload ensures that the valve element always finds safe back in the valve seat and a forced operation of the valve element on the
- Camshaft is present.
- each inlet of the spray device is assigned in each case an operable by the camshaft valve.
- the valve is designed as described above.
- the mixing device comprises two rotatably mounted in the mixing chamber control elements, each of the control elements is a separate controllable actuating actuator, in particular
- Electric motor is associated with the rotation of the respective actuating element.
- portions of the mixing chamber - seen in the axial extension of the respective actuating element or in the longitudinal extent of the respective axis of rotation - or existing valves and / or feeds and / or the sequence are independently operable, so that increased usability of Spraying device is reached.
- both adjusting elements are each formed as a camshaft, each camshaft of at least one of the valves,
- valves in particular in each case at least two of the valves are assigned.
- one of the camshaft may be associated with one valve and the other camshaft with two or more valves. This results in a variable mixing of different active substance liquids, which can be supplied as needed to a carrier liquid.
- the respective camshaft for each associated valve in each case a cam. Due to the shape of the cam, the respective valve is actuated according to the rotational position of the camshaft.
- the camshaft for at least two associated valves on a common cam wherein the valves can be seen in the direction of rotation of the cam next to each other or arranged one behind the other.
- the valves are operated sequentially, whereby the valves with different flow cross sections are adjustable.
- the valves are juxtaposed in the circumferential direction, they are simultaneously actuated by the same cam, whereby they release the same flow cross-section.
- the adjusting element is a rotary valve, which has at least one flow opening for at least one of the inlets, which can be brought into an overlapping position with the inlet.
- Flow opening is a flow area released. Due to the simpler design as a rotary valve, the mixing device is made even more compact compared to the solution with a camshaft.
- At least two first feeds for the carrier liquid are present. This makes it possible, in a simple manner, to mix a different amount of carrier liquid with a certain active substance liquid, in particular with several existing active substance liquids, in order to obtain an optimal one Adjust spray mixture, which is fed through the drain of the respective injection gland. Alternatively, in particular only a first inlet is present.
- the mixing device of a spray nozzle in particular field sprayer, or a plurality of spray nozzles or
- Sprayer is connected upstream. If the mixing device upstream of a spray nozzle, and the spray device preferably has a plurality of spray nozzles, each spray nozzle is preceded by its own mixing device, whereby an individual admixing of carrier liquid and wiper liquid takes place at the spray nozzle itself, whereby on the one hand an advantageous mixing is achieved, on the other The volume that must be rinsed out during a cleaning minimizes and also the function of a
- Single nozzle shutdown can be represented by the mixing device itself. If the mixing device is preceded by a plurality of spray nozzles, in particular a so-called partial width of spray nozzles, then these are all acted upon by one and the same mixing device with the desired ratio of active substance liquid or active substance liquid and carrier liquid.
- each control element of the mixing device is associated with an adjusting motor, in particular position-controlled servomotor, preferably electric motor or servomotor, for the adjustment thereof.
- servomotor By the servomotor is a simple and timely adjustment of the control element and thus a timely setting of the respective desired flow cross section or
- the servomotor and / or the actuating element coupled thereto have a latching device or
- the latching device can be achieved, for example Kugelrastsitze and the self-locking by a strongly geared transmission between servomotor and actuator. This minimizes overall power consumption during operation.
- the spraying device preferably has one or more
- Drug agent tanks as well as at least one carrier liquid tank.
- the active substance liquid tanks and the carrier liquid tank are preferably assigned pumping devices, which if required promote the respective liquid in the direction of the mixing device.
- FIG. 1 shows an advantageous spraying device for dispensing liquids for agricultural purposes
- Figure 2 shows an advantageous mixing device of the spraying device in one
- Figure 3 shows an advantageous development of the mixing device in one
- FIG. 4 shows a further embodiment of the injection device
- Figure 5 shows an alternative embodiment of the spraying device
- Figure 6 shows another embodiment of the advantageous mixing device.
- FIG. 1 shows in a simplified representation of an injection device 1, which has a designed as a tractor vehicle 2, which carries a spray system 3, comprising a plurality of spray nozzles 4, wherein the spray nozzles 4 are arranged distributed over a cross member 5 side by side.
- the vehicle 2 pulls the cross member 5 and the spray nozzles 4 behind it, so that the
- Spray nozzles 4 are located above a floor 6 in order to apply to the soil and optionally plants thereon pesticides.
- the vehicle 2 carries to several tanks 7, 8, 9 and 10, wherein in the tanks 7, 8 and 9 are each a liquid active agent A, B or C,
- a carrier liquid TF in particular water.
- Predilution is alternatively preceded by a mixing device
- each pump is assigned a pumping device 11, 12, 13 and 14, by means of which the respective liquid can be removed and subsequently
- Spraying device 1 may also have more or less active agent tanks 7, 8, 9.
- FIG. 2 shows, in a simplified sectional view, the already mentioned advantageous mixing device 15.
- the mixing device 15 has a housing 16 in which two adjusting elements 17, 18 are arranged rotatably mounted.
- the housing 16 has a mixing chamber 19, in which the
- Adjusting elements 17, 18 are.
- the mixing chamber 19 is in particular
- the housing 16 also has a plurality of inlets 20, 21, 22 and 23.
- the feeds 20 to 23 open into the mixing chamber 19, wherein each of the feeds 20 to 23 a
- Valve 24, 25, 26 and 27 is assigned. Through the respective valve 24 to 27, the inlets 20 to 23 with fluid lines, of the
- valves 24 to 27 are designed as seat valves, which each have a radial to
- Rotary axis of the mixing chamber 19 storably arranged valve element 28, 29, 30 and 31 have.
- the valve elements 28 to 31 are actuated by the adjusting elements 17,18 each against the force of a biasing spring 32, 33, 34, 35.
- the respective biasing spring 33 to 34 urges the respective valve element 28 to 31 in the direction of the actuating element 17 or 18 in a valve seat of the respective valve 24 to 27 to seal the respective inlet 20 to 23 sealing.
- the adjusting elements 17, 18 are in the present case designed as camshafts, each having a cam 36 or 37, through which in each case two of the valves 24, 26 arranged radially opposite each other
- the cams 36 and 37 cooperate with a respective valve tappet of the respective valve element 28 to 31.
- the respective valve elements 28 to 31 can be forced out of the respective valve seat against the force of the biasing spring, so that in each case a flow cross-section is released, which allows that to the respective inlet 20 to 23 funded liquid can penetrate into the mixing chamber 19.
- each actuator 17, 18 associated with its own servo motor 39 and 40 respectively.
- the servo motors 39, 40 are preferably designed as electric motors which are coupled directly or by a particular self-locking gear with the respective adjusting element 17, 18 and the respective camshaft.
- the adjusting elements 17, 18 and / or the servomotors 39, 40 each have a
- FIG. 3 shows the mixing device 15 according to a first embodiment in a schematic representation.
- two of the inlets 23 and the valves 27 are provided, through which the carrier liquid of the mixing chamber 19 can be fed.
- the lines for the different liquids A, B, C and TF are shown in simplified form in FIG.
- Flow cross sections adjustable to achieve a desired mixing ratio.
- the active substance liquids in the tanks A, B, C are already premixed with carrier liquid, in order to enable an optimum mixing ratio during operation, or are prediluted with the carrier liquid by a premixing unit which precedes the mixing device 15.
- the profiles of the cams 36, 37 of the camshaft is designed such that, depending on the angle of rotation of the respective camshaft, one or more of the valves 24 to 27 are opened and closed.
- Plant protection products on a combination of several pesticides the total amount of water remain constant.
- Crop protection application optimum drop size spectrum at the spray nozzle 4 results.
- the composition of the spray mixture as shown for example in the above list, it is therefore also necessary that the total amount of effort for all provided
- the metered amount of water or carrier liquid supplied in the mixing device 15 varies as a function of the selected mixture combination of active substance liquids. For example, for the switch positions 1 to 3 less water must be added than for the
- Switch positions 4 to 6 For the switch positions 7 no water or less water than for the switch positions 1 to 6 must be added.
- the control of the dependent of the mixture combination amount of water is preferably realized via the variable flow cross-section of the valve 27, through which the carrier liquid is supplied. As a further possibility for quantity control, it makes sense, the variation of
- the two valves 27 can be switched together or independently of each other to allow optimal metering of the carrier liquid.
- the dilution of the plant protection agents is preferably kept as low as possible. If, for example, the pesticide is diluted in each case with only 5% of the amount of water to be delivered, then 90% of the total amount of water at an open nozzle could be constantly metered in via the water path. Thus, the range of total applied water would be 95% (using a pesticide) up to 105% (at
- the advantageous mixing device 15 can be integrated in different ways into the spray system or the spray device 1, as shown in FIG. FIG. 4 shows a first exemplary embodiment for this purpose. It is provided that each spray nozzle 4 or each spray nozzle 4 of a predetermined part width I from a predetermined number of selected spray nozzles 4, in each case upstream, so that the mixture takes place directly in front of the respective spray nozzle 4. With this arrangement, it is possible for each spray nozzle 4 to specify the composition of the spray mixture separately.
- Spraying device 1 are integrated, it being provided that a plurality of spray nozzles 4, in particular the spray nozzles 4 a separate section I, II, III or IV of the existing spray nozzles 4 each one
- Mixing device 15 is connected upstream, so that a plurality of spray nozzles 4 are applied to the same composition of the spray mixture. If individual spray nozzles are to be switched on or off, these are preferably associated with actuatable switching valves.
- FIG. 6 shows a further embodiment, which differs from the one of FIG.
- Embodiment of Figure 2 differs in that the
- the Mixing chamber 19 has a rotary valve 41.
- the rotary valve 41 has a plurality of flow openings 42, each in a
- Liquid streams and are supplied to the axially arranged in this case 38. Also in this case serves as an actuator for rotating the
- Rotary valve 41 preferably a servomotor, as described above. Depending on the rotational position of the rotary valve 41 certain feeds are thus released or opened, and thus a
- the advantageous embodiment of the injection device 1 ensures a compact and easy to handle mixing of desired active substance liquids with a carrier liquid in a small space.
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)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017220030.8A DE102017220030A1 (de) | 2017-11-10 | 2017-11-10 | Spritzeinrichtung |
PCT/EP2018/079372 WO2019091798A1 (de) | 2017-11-10 | 2018-10-26 | Spritzeinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3706571A1 true EP3706571A1 (de) | 2020-09-16 |
Family
ID=64332263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18804234.5A Withdrawn EP3706571A1 (de) | 2017-11-10 | 2018-10-26 | Spritzeinrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200253185A1 (de) |
EP (1) | EP3706571A1 (de) |
BR (1) | BR112020009043A2 (de) |
DE (1) | DE102017220030A1 (de) |
WO (1) | WO2019091798A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020128774A1 (de) * | 2020-11-02 | 2022-05-05 | Horsch Leeb Application Systems Gmbh | Landwirtschaftliche Feldspritze und Spritzvorrichtung für eine landwirtschaftliche Feldspritze |
CN112568211B (zh) * | 2020-12-11 | 2022-06-24 | 山东农业工程学院 | 一种山区丘陵地区作物种植用喷药装置 |
CN113197182A (zh) * | 2021-05-25 | 2021-08-03 | 黑龙江生物科技职业学院 | 一种植保无人机智能喷洒系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT221037B (de) * | 1957-02-05 | 1962-04-25 | Eugene Clerc | Vorrichtung zum Mischen zweier Flüssigkeiten |
DE3140441A1 (de) | 1981-10-12 | 1983-04-28 | Günter 5162 Niederzier Lindner | Feldspritze |
DE3401734C2 (de) * | 1984-01-19 | 1987-03-26 | Gebrüder Holder GmbH & Co, 7430 Metzingen | Spritz- bzw. Sprühvorrichtung |
DE3908963C2 (de) | 1989-03-18 | 1993-10-07 | Guenter Lindner | Gerät zum Applizieren von Pflanzenbehandlungsmitteln unter geschwindigkeitsabhängiger Direkteinspeisung |
DE4140787C1 (en) * | 1991-12-11 | 1993-03-18 | Kloeckner Ferromatik Desma Gmbh, 7831 Malterdingen, De | Valve control mechanism contg. angularly displaced valves - can supply different plastics and colour components to mixing chamber of mixing head |
PT1164877E (pt) * | 1999-04-02 | 2003-10-31 | Aventis Animal Nutrition Sa | Equipamento de pulverizacao |
DE102005062535A1 (de) * | 2004-12-17 | 2006-07-06 | Lechler Gmbh | Vorrichtung zum Versprühen von flüssigen Gemischen |
DE102006059193A1 (de) | 2006-12-15 | 2008-06-19 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Spritzeinrichtung |
DE102010023380B4 (de) * | 2010-06-10 | 2015-03-05 | Basf Se | Wiederbefüllbares und selbstdosierendes Gebindesystem für Pflanzenschutzmittel mit integrierter, hydraulisch von außen angetriebener Dosierpumpe |
PL2790497T3 (pl) * | 2011-12-14 | 2016-12-30 | Układ i sposób do rozprowadzania ciekłych mieszanin |
-
2017
- 2017-11-10 DE DE102017220030.8A patent/DE102017220030A1/de not_active Withdrawn
-
2018
- 2018-10-26 EP EP18804234.5A patent/EP3706571A1/de not_active Withdrawn
- 2018-10-26 US US16/760,771 patent/US20200253185A1/en not_active Abandoned
- 2018-10-26 BR BR112020009043-3A patent/BR112020009043A2/pt not_active Application Discontinuation
- 2018-10-26 WO PCT/EP2018/079372 patent/WO2019091798A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
BR112020009043A2 (pt) | 2020-11-03 |
DE102017220030A1 (de) | 2019-05-16 |
WO2019091798A1 (de) | 2019-05-16 |
US20200253185A1 (en) | 2020-08-13 |
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