EP3654754A1 - Vorrichtung zum herauslösen von korn aus geernteten ähren, insbesondere schrägförderer - Google Patents
Vorrichtung zum herauslösen von korn aus geernteten ähren, insbesondere schrägfördererInfo
- Publication number
- EP3654754A1 EP3654754A1 EP18755396.1A EP18755396A EP3654754A1 EP 3654754 A1 EP3654754 A1 EP 3654754A1 EP 18755396 A EP18755396 A EP 18755396A EP 3654754 A1 EP3654754 A1 EP 3654754A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport
- decompression
- strips
- inclined conveyor
- elevations
- 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- Withdrawn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
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D61/00—Elevators or conveyors for binders or combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D61/00—Elevators or conveyors for binders or combines
- A01D61/008—Elevators or conveyors for binders or combines for longitudinal conveying, especially for combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/181—Adjustable threshing mechanisms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/24—One-part threshing concaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/26—Multi-part threshing concaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/28—Devices for adjusting the concaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw
Definitions
- the present invention relates to a device for extracting grain from harvested ears, in particular a feeder with a transport base, a tangential or axial threshing cylinder with a concave or a bi-rotor axial threshing system, with a plurality of compression regions with the grain-resolving structures, wherein between two compression regions on
- Decompression area is formed.
- the invention relates to an inclined conveyor of a harvester
- a combine harvester having a transport area adapted to transport crop material away from a receiving device, wherein the
- Inclined conveyor has at least two mutually parallel endless traction means with Einzugsangn, in the form of belt with a surface
- Polymer are designed.
- Angular conveyors of conventional design are commonly used in a combine to mow grain, thresh the grain contained therein, and then separate the grain from the kaff or non-grain components.
- combine harvesters known in the prior art are for this purpose
- FIG. 1 shows a combine harvester 1 known from the prior art, which has a receiving device 2 with a
- Cutting unit 3 has, with the means of a knife bar or mower crop 4 is cut, which may be a grain fruit, a seed crop, a harvest of seed carriers or the like and by means of lateral and central conveyor belts or a feed screw 5 transversely to the direction of
- Inclined conveyor 6 is transported, because the receiving device 2 is generally formed significantly wider than the combine harvester 1.
- the inclined conveyor of a conventional combine harvester has circulating conveyor belts or Tray strips 7, which transport the cut grain or other crops on an inclined transport area 8 to the threshing drum 9 and the threshing unit, where usually the grain is pushed out of the ears.
- the threshing drum rotates above a threshing basket, the recesses between Dreschleisten has, through which the dissolved out grains
- the threshing drum is usually equipped with massive threshing or blow bars, which at high speed on the narrow
- Dreschleisten serve as decompression areas in which the volume of the crop strand abruptly protrudes downwards to dissolve the already detached and embedded between the stems grains from the crop strand. After threshing, the grain is separated from the remaining components and collected, including various not shown here in detail and to
- the profitability of such a combine depends crucially on the throughput per threshing hour, thus on the amount of grain that is deposited and collected within a threshing hour from the threshing unit, and of the
- tail loss Loss of already dissolved grains
- Transort speed within the feeder does not continue if the ears in the subsequent threshing drum in the short time is not complete
- Threshing drum and concave power does not result in an effective increase in throughput per thresh-hour.
- the compression areas have elevations and at least one of the decompression areas contains a recess of the transport floor, so that detached grains fall out of the apparatus and are sent for further processing.
- the decompression areas can also rest on a possibly solid plate.
- the decompression areas according to the invention can be arranged in different devices for detaching the grain from harvested ears, in particular in the transport floor of an inclined conveyor, which is designed to exert a high pressure on the crop.
- the threshing already passed a crop strand, from which a large part of the grains was dissolved out, so that the throughput per threshing hour increases and increases the efficiency also due to the low or eliminated rear loss.
- the inventive arrangement of compression areas and decompression areas may be arranged on the concave, which may also be formed as part of a bi-rotor axial threshing system. In such a threshing system, the threshing drum and the concave can rotate in opposite directions to each other, wherein the rotational speeds are variable.
- Threshing systems in the combine harvester Furthermore, a combine harvester with a counter-threshing device according to the invention has a better efficiency and the quality results of the detached grain are better. In addition, the rear losses can be reduced and it becomes noticeably less
- the threshing with the device according to the invention is particularly gentle compared to known threshing and it is achieved on a short distance, a quick threshing or ear dissolution, advantageously maintaining a high proportion of long straw with still hanging spindles in the swathing.
- the grains fall through the recesses of the transport tray on a conveyor belt arranged therebelow, wherein the conveyor belt is preferably designed as an endless belt.
- the conveyor belt is preferably designed as an endless belt.
- claimed device as an inclined conveyor, grains deposited in the feederhouse are forwarded directly from there into the grain tank or another cleaning or separating device. The grains are therefore not fed to the concave, which is connected downstream of the inclined conveyor in conventional combine harvesters.
- the spine-dissolving structures of the compression regions are applied to strips which are arranged below the traction means of the inclined conveyor or on the concave in parallel alignment with the threshing cylinder.
- such strips are arranged at a distance from one another, so that the decompression areas are designed in the form of a gap between the strips.
- the strips can be firmly connected to the transport base of the inclined conveyor or the concave, so that there is a constant length of the compression and decompression areas.
- the strips may also be slidably connected to the transport base of the feederhouse or concave, resulting in a variable length of the compression and decompression areas.
- Length ratio between decompression and compression range can thus be adapted to the external conditions of different harvest areas and in particular to the harvested grain and its condition.
- bars with a spine-dissolving structure or surface are also arranged on the movable work organs, such as, for example, the inclined conveyor lift or the threshing drum.
- the spike-dissolving structures preferably have elevations and / or nubs, the spike-dissolving structures preferably passing into trough-shaped depressions extending to the decompression areas, which are preferably designed in the form of a gap, the trough-shaped depressions preferably becoming increasingly deeper in the transport direction of the crop are increasingly broader.
- spine-dissolving structures in the form of elevations arranged like fishbones have proved to be advantageous, which are arranged on the strips at an angle at right angles to the transport direction of the crop.
- the compression areas are configured significantly longer, and the decompression areas are considerably shorter in comparison to the recesses between two threshing bars.
- Decompression range LD of 2 ⁇ - ⁇ 9, preferably 3.3 ⁇ - ⁇ 5.8.
- Compression areas or the strips have a length LK in the transport direction of 40 to 90 mm, preferably from 60 to 70 mm, while the decompression region arranged therebetween, in particular the distance between two strips to provide a decompression area, a length LD in
- the specified lengths, in particular of the decompression range, are preferably in a proportional relationship with the trough-shaped recesses beginning in front of them, through which the decompression process is already initiated.
- the strips with compression areas have strand feeders, which are used as longitudinal members in
- the side members do not extend completely to the next bar, but end about 1 cm before.
- a connection of two strips by strand transfer is provided in particular in the rear regions of the device.
- the side members may be designed differently wide and rounded towards the side.
- a downward pointing offset of the longitudinal members is provided at the end.
- the side members are preferably made of steel and are about 8 mm thick.
- the side is preferably provided a distance of 4 to 5 cm between the longitudinal members and the longitudinal members are preferably arranged in the extension of the trough-shaped depressions.
- the strand transfer line is easily enough rising like a ramp on the following bar with its Endkröpfung on.
- the strand transducers described above ensure the continuous advancement of the crop strand in such a way that it can neither impinge nor tear on the next or subsequent compression strip or threshing edge, so that no straw is produced. Furthermore, the
- Decompression region mounted, preferably in the second concave half, which amplifies and accelerates the remaining residual grain separation
- the straw extruder are designed to be retrofitted according to a preferred embodiment, possibly even to be led up to the end of the concave.
- a feeder conveyor is a relatively slow-running elevator accelerator
- a threshing drum is a fast-running pull-through accelerator. Due to the claimed strips or pressing plates of the compression areas, an abrupt pressing and counterpressure pressure is exerted on the ears, so that the ears break up immediately or
- Transport area includes a transport plate, the surveys and / or
- Wells and / or recesses preferably evenly or unevenly distributed over the entire surface of the transport plate.
- the transport plate must form only a portion of the entire transport area and provides together with the elevations, the wells and / or the
- Combination of the traction means with fabric layer reinforced belt and the structured transport plate is not limited to a particular type of carrier vehicle. Rather, the inclined conveyor according to the invention can also be used on other carrier vehicles as a combine harvester, in particular on a shredder or a self-propelled.
- an endless wound cam belt of woven fabric reinforced cross-linked polymer is preferred as the traction means.
- An endlessly wound cam belt is understood to mean a belt which, for example, in the case of the use of an elastomer, is produced as follows:
- a double-sided rubberized fabric strip is wound into a wrap having substantially the geometric shape of the finished cam belt.
- this winding are at least two layers of fabric with the interposed rubber layers on each other.
- a rubber layer is applied outside and inside. This sandwich is then transformed into a shaping
- Vulcanizing inserted and vulcanized at the same time the cams are formed from the inner rubber layer. It is understood that a high strength tissue is used as the tissue. Such a wound Cam belt reaches the permanent tensile strength of its fabric layers and thus can absorb the lasting tensile forces acting on its use in a feederhouse.
- Such cam belts have on the outside a substantially smooth surface and on the inside cams, which are formed accordingly
- the feeder already provides a significant contribution or even a complete separation of the grains of the ears and the throughput per hour can be significantly increased by means of the inclined conveyor according to the invention by this - in an otherwise unchanged combine harvester - a wider
- Cutting unit with a wider auger is used and / or by the driving speed of the combine harvester is increased. Due to the optional complete separation of the grains from the ears and their deposition in the inclined conveyor according to the invention can be dispensed with new development of a combine harvester on the underlying threshing, whereby the
- the transport plate is designed as Ausreibplatte, in particular as ⁇ hrenausreibplatte, and preferably arranged at the entrance to the transport area and there releasably or permanently attached. The detachable attachment of the
- Transportbleches has the advantage that designed as Ausreibplatte Transport plate can be easily replaced, since it can wear after multiple use.
- different geometries of the elevations, depressions or recesses may be provided for different crops, so that the transport plate can be adapted to the volume masses, to the external conditions and to the quality of the crop.
- the immediate rubbing of the seeds from the seed carriers in alfalfa and clover varieties provides particular advantages.
- the elevations as nubs in particular as round knobs, configured, which are preferably designed semi or partially spherical and have a mean distance of 45 mm ⁇ 10 mm, a height of 6 mm ⁇ 4 mm and a diameter of 30 mm ⁇ 10 mm
- the knobs can also be designed as oval, transverse or longitudinal knobs or drop-shaped or teardrop-shaped, which are arranged longitudinally or transversely on the transport plate.
- Geometry provide a particularly advantageous effect on the extraction of the grains from the ears in the feederhouse, in particular on the release in the ear of this demultipating implosion.
- the geometry provide a particularly advantageous effect on the extraction of the grains from the ears in the feederhouse, in particular on the release in the ear of this demultipating implosion.
- Transport plate or parts thereof may also be configured as a perforated plate, wherein the holes are arranged at the tips of elevations and / or on the valleys of depressions and preferably have a diameter of 5-17 mm, preferably 8-14 mm.
- the mentioned holes are virtually arched and arranged at the tops and valleys of the elevations and depressions.
- Recesses can also be configured as shallow trough-shaped depressions (shallow depressions) in the transport plate between the nubs.
- the flat depressions preferably fall off slightly in the pulling direction towards the knobs and rise abruptly or rapidly shortly before the knobs so that a strong, high-frequency and / or rapid change takes place between compression and decompression of the crop, which effectively dissolves or destroys the ears ,
- the transport plate with the elevations and depressions can also be referred to as.
- Bridge plate be formed in which the surveys web-like and as punched sheet metal protuberances are formed, which also as
- the bars can be up to 12.5 mm wide. Embossing depths of 1, 5 mm, 2 mm, 2.5 mm and 3 mm are preferably provided.
- the relatively wide intermediate area between the crimped bridges allows the crop strand to dispense grains already pressed out thereon to further accelerate these grains upwardly to be subsequently discharged via the settling depressions.
- the elevator speed of the inclined conveyor is variable and adjustable, so that the elevator speed in turn to the
- Elevator speed of the inclined conveyor large mass flow rates can be achieved and especially for stocks with a residual moisture, the ears are advantageously immediately reamed.
- transport sheets of different thickness can be mounted, so that a gap, i. a gap between the transport plate and the
- Induction strips according to requirements between 5 mm-50 mm, preferably 7 mm-12 mm is adjustable.
- Inclined conveyor in the transport direction is constant or rising or falling. With a constant gap, there is a parallel guidance between the
- the gap is the outer
- the inclined conveyor according to the invention according to claim 14 can also be used as
- Fig. 5 an inclined conveyor
- 6a-d several geometries of a transport plate with elevations and / or depressions.
- FIG. 2 a shows a specific embodiment of a device according to the invention for extracting grain from harvested ears in the form of an inclined conveyor 20 with at least two cam wheels 21, 21 ', which are connected via traction means 22.
- the traction means 22 are made
- the belts have on the inside cams (not shown), which engage in corresponding shaped recesses (not shown) of the cam wheels 21, 21 'to a
- the traction means 22 carry catchment slats 23, which may be extended to the rear as Aufdrückbacken 29 (in Fig. 2a, only two jaws are exemplified). Below the
- the transport tray 27 is formed, which in the illustrated
- Embodiment several strips 28 which are spaced from each other.
- Elevations 35 which form a compression region between the elevations 35 and the traction means 22 and the Aufpressbacken 29, in which the ears of the crop are broken. After each compression range follows a decompression area in the form of a gap 30 between two strips 28, through which already detached grains fall (arrow A). The grains are collected by a conveyor belt 31 and fed to further processing. In order to increase the effectiveness of the feederhouse 20, further cam wheels 21 "may be disposed, increasing the parallel pressure on the crop string 25.
- Fig. 2b shows a threshing 32 with a threshing cylinder 33, arranged thereon threshing 40 and a threshing concave 34, the transport tray 27 has strips 28 with elevations 35, wherein the strips 28 for the creation of
- Decompression areas are spaced apart. It has proved to be advantageous if the concave 34 is not completely, but only partially and preferably initially equipped with a few strips 28 and the remaining portion of the concave 34 has conventional comparatively narrow Dreschleisten, between which comparatively much longer recesses of the
- Concave 34 are arranged. Alternatively and / or additively, the strips 28 can also be fastened to the threshing drum 33.
- FIGS. 3a-d A first specific embodiment of a strip 28 for installation in a device for extracting grains from harvested ears is shown in FIGS. 3a-d.
- Fig. 3a shows the top view of a bar 28, on the surface of several
- Elevations 35 are formed. Seen in the transport direction 26 of the crop, the bar 28 has a trough-shaped extension to the elevation 35
- Recesses 36 which extend up to the ledge edge 37 and thus to the subsequent decompression area.
- the ramps 42 serve as a kind of start-up compression ramp.
- the ramps 42 are preferred arranged offset to the elevations 35, but can also be arranged directly behind one another.
- Elevations 35 are flatter areas which as pass channels already centrifuged out grains currently running the possibility to be swept up to the end edge of the bar by the solid strand. The channels can lead into the wells already presented.
- the survey 35 merges directly into the trough-shaped depression 36, which is configured with increasing distance from the survey 35 deeper and until to the front
- Edge 37 of the bar extends. Also, the ramp ramp 42 is recognizable.
- Fig. 3c shows a plan view and thus the cross-sectional view B-B of Fig. 3a.
- the illustrated trough-shaped depression 36 which extends from the elevation 35 to the front edge of the bar 28, is circular in cross-section and becomes wider and deeper with increasing distance to the survey.
- FIG. 3d shows the cross-sectional view C-C from FIG. 3 a and the run-up ramp arranged on the strip 28.
- FIG. 4a-c An alternative embodiment of a strip 28 is shown in Figs. 4a-c.
- the strip 28 has elongated elevations 35 which are arranged herringbone on the surface of the bar 28.
- the herringbone bumps 35 may be arranged flat on the surface of the strip 28 or the surface may be slightly angled towards the center, so that the
- herringbone-like elevations 35 in the middle have a back, which connects the herringbone-like elevations 35 with each other (arrow B, Fig. 4c).
- the bar shown in FIG. 4 a may also have strand feeders 41.
- Fig. 5 shows a concrete embodiment of an inventive
- Slant conveyor 120 with at least two cam wheels 121, 121 'over
- Pulling means 122 are connected from woven fabric-reinforced belt with a polymeric surface, wherein the traction means 122 carry catchment strips 123, which as
- Aufpressbacken 129 may be extended to the rear (in Fig. 5, only 2 pieces are shown by way of example).
- the transport area 124 is formed below the cam wheels 121, 121 'and the traction means 122.
- the crop 125 is guided in the direction of arrow 126 to the threshing drum (not shown).
- the entrance of the transport area 124 forms the transport plate 127, which is detachably and therefore replaceable in the transport area 1 24 is attached.
- the transport plate 127 has on the top of a structure of elevations 128, which in conjunction with the relatively high transport speed of the traction means 122 ensure that the ears of the crop 125 already dissolve in the feeder 120 and the grain is dissolved out.
- At least one further cam wheel 121 may be disposed in the region above the transport plate, which increases the parallel pressure on the retracted crop strand
- the sill with the zigzag profile can be fitted with a pressback 129 which presses the highly conveyed crop harder even more relentlessly, and the number and consequently the density of the sump bars 123 and counterpressure jaws 129 along the traction means 122 can be increased.
- FIGS. 6a-d show different geometries of a transport plate 127, the differences being essentially formed by the different cross sections of the elevations / depressions or the flat depressions.
- Fig. 6a shows a transport plate 127 with part-spherical elevations 1 28.
- Fig. 6b shows a
- Fig. 6c shows a plan view of a transport plate 127 with elongated elevations and Fig. 6d finally shows the top view and a cross-sectional view A-A of a transport plate 127 with elevations having a small ridge 132 and a spherical, oval or other shaped elevation 133.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017116456.1A DE102017116456A1 (de) | 2017-07-21 | 2017-07-21 | Schrägförderer einer Erntemaschine |
| DE102017119595.5A DE102017119595A1 (de) | 2017-08-25 | 2017-08-25 | Vorrichtung zum Herauslösen von Korn aus geernteten Ähren |
| PCT/DE2018/100657 WO2019015728A1 (de) | 2017-07-21 | 2018-07-20 | Vorrichtung zum herauslösen von korn aus geernteten ähren, insbesondere schrägförderer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3654754A1 true EP3654754A1 (de) | 2020-05-27 |
Family
ID=63209142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18755396.1A Withdrawn EP3654754A1 (de) | 2017-07-21 | 2018-07-20 | Vorrichtung zum herauslösen von korn aus geernteten ähren, insbesondere schrägförderer |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3654754A1 (de) |
| WO (1) | WO2019015728A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202019106203U1 (de) | 2019-11-08 | 2020-11-11 | Ab. Agri-Broker E.K. | Dreschkorb für Mähdrescher |
| DE202020101458U1 (de) | 2020-03-17 | 2020-04-15 | Ab. Agri-Broker E.K. | Schrägförderer |
| DE202021100361U1 (de) * | 2021-01-26 | 2021-02-10 | Ab. Agri-Broker E.K. | Erntemaschine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1300458C (en) * | 1987-03-02 | 1992-05-12 | Reed James Turner | Separating grate for a grain harvester |
| US5057056A (en) * | 1990-11-23 | 1991-10-15 | Ben Kambeitz | Concave guide for a combine harvester |
| DE19846790A1 (de) * | 1998-10-10 | 2000-04-13 | Deere & Co | Mähdrescher |
| DE20302925U1 (de) * | 2003-02-21 | 2003-10-30 | Claas Selbstfahrende Erntemaschinen GmbH, 33428 Harsewinkel | Vorrichtung zum Trennen eines Erntegutstroms |
| DE102009036104B4 (de) | 2009-07-27 | 2012-02-09 | Artemis Kautschuk- Und Kunststoff-Technik Gmbh | Schrägförderer für Mähdrescher |
| US8313361B2 (en) * | 2009-12-11 | 2012-11-20 | Cnh America Llc | Helical bar concave |
| DE102012013194B4 (de) * | 2012-07-03 | 2014-03-13 | Albert Hirsch | Erntemaschine |
-
2018
- 2018-07-20 EP EP18755396.1A patent/EP3654754A1/de not_active Withdrawn
- 2018-07-20 WO PCT/DE2018/100657 patent/WO2019015728A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019015728A1 (de) | 2019-01-24 |
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