• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The object of the present invention is a dump truck (1) comprising a dump body (2) having a front end facing the cab of the truck (1) and an opposite rear end, characterized in that the bucket ( 2) comprises an on-board humidification system of the tracks (3) comprising a formwork (4) formed on the bottom of the bucket (2), in the vicinity of the front end of the bucket (2), said formwork (4) having on at least one of its faces one or more grids (8) for passing water stored in the bucket (2), and means for spraying fluid on each side of the truck (1), between its front wheels and its rear wheels, in fluid communication from the inside of the formwork with said at least one grid (8).
    公开号:FR3026376A1
    申请号:FR1459332
    申请日:2014-09-30
    公开日:2016-04-01
    发明作者:David Grout
    申请人:Natural Tech；
    IPC主号:
    专利说明:

    [0001] The present invention relates to the field of the slaughter of dust in quarry or mine, and relates more particularly to the field of the slaughter of dust in quarry or mine, and relates more particularly to the field of the slaughter of dust in quarry or mine, and relates more particularly on a dump truck equipped with an on-board track humidification system designed for track humidification and dust removal. When moving a quarry or mine, dumper or dumper, on quarry or mine tracks, dust particles are suspended in the air, creating clouds of particles, which can be dangerous for the health of quarry or mine personnel and may create risks of accidents due to the poor visibility caused by the movement of equipment on the runways. Thus, it is useful to humidify the tracks of the quarry or mine during the movement of gear to limit these risks. An existing solution is to fix a reservoir system on the front bumper of the machine so that said system discharges water on the track during the movement of the machine. However, this solution is not compact and the high weight of the tank system can cause a deterioration of the bumper of the machine. In addition, the French patent FR2730177 discloses a dust removal device on board vehicles of public works or construction sites, said device comprising a water tank connected to nozzles respectively disposed at the wheels of the vehicle.
    [0002] However, a water tank needs to be carried by the vehicle, the water tank being in most cases disposed close to the engine bonnet of the vehicle, which makes this solution non-compact and poses a problem in case leakage from the water tank on the engine hood. The present invention aims at solving the drawbacks of the prior art by proposing a dump truck equipped with an on-board wetting system designed for the humidification of runways and the removal of dust. the water used for humidifying the tracks being stored in the bottom of the bucket, which makes the solution compact, the stored water can then be projected on the mud flaps of the front wheels of the truck by water cannons, which makes it possible to humidify the tracks when moving the truck, an anti-clogging system may also be arranged in the bottom of the bucket to prevent clogging of water passages by the material loaded in the truck.
    [0003] The present invention also makes it possible to adapt this solution of humidification of the tracks to all the career vehicles of the dumper or dump type without heavy modification of the structure and without mechanical inconvenience or visual gene, the additional weight and the loss of volume being negligible. . The present invention therefore relates to a dump truck comprising a dump body having a front end facing the cab of the truck and an opposite rear end, characterized in that the bucket comprises an on-board humidification system tracks comprising a formwork formed on the bottom of the bucket, in the vicinity of the front end of the bucket, said formwork having on at least one of its faces one or more grids for passing water stored in the bucket, and fluid projection means on each side of the truck, between its front wheels and its rear wheels, in fluid communication from the inside of the formwork with said one or more grids. Thus, the dump truck according to the present invention makes it possible to humidify the tracks when moving the truck on the tracks, preferably empty so as not to damage the transported material, and thus to carry out a dust removal. In addition, the water used to wet the tracks is stored in the bottom of the bucket, the truck does not need to carry an additional water tank, which makes the compact solution, the additional weight of the formwork and the loss of volume of the bucket being negligible. The frame of the formwork (side walls and internal walls if necessary) can be welded to the body to resist the impact of the material loaded in the body.
    [0004] Advantageously, the upper cover of the formwork is removable, screwed to the rest of the formwork, to allow maintenance of the interior of the formwork. The upper cover is advantageously inclined from the inner wall of the front part of the bucket to the bottom of the bucket to better withstand the impact of the material loaded in the bucket. According to a particular characteristic of the invention, the fluid projection means are constituted by holes formed in the bottom of the bucket under the formwork, respectively in the alignment of the right and left wheel trains of the truck, at each end in the direction of the width of the bucket.
    [0005] Thus, a first group of holes is formed on the left side of the truck between the front and rear wheels, and a second group of holes is formed on the right side of the truck between the front and rear wheels. A plurality of holes in each group is preferred but a single surface hole equivalent to the plurality of holes is also within the scope of the invention. Thus, so-called "dirty" water in the present application, that is to say not coming from the network but coming from reclaimed water, coming for example from the exploitation of the quarry or mine, can to be poured into the bucket when it is empty, then dirty water is stored in the formwork of the bucket and then flows on the tracks through the holes formed in the bottom of the bucket when the vehicle loaded or not moves, the formwork allowing the material loaded in the truck not to obstruct said holes to ensure the proper flow of water. Simple and rapid filling of the bucket with dirty water can be carried out either when stopping at the primary crusher of the truck, or during the empty return, the quality of the water being not decisive and which can come for example, a quarry water reservoir, a filtration of water or a connection to the water network is thus unnecessary. In addition, the formwork covering the holes creates a current effect by siphon effect, which improves the distribution of water. The humidification equipment is mainly mechanical and does not contain a pump, water filtration and nozzle, the majority of the structure being mechanically welded and, preferably, Hardox (registered trade mark) 450 of 30mm. thickness for maximum strength.
    [0006] Water from other sources (network) can of course also be used in the context of the present invention. It should be noted that the dump truck 5 according to the present invention may be a quarry vehicle, a mining machine, an earthmoving machine or the like. According to a particular characteristic of the invention, the fluid projection means further comprise, on each side of the truck, at least one water gun 10 disposed under the bucket in fluid communication with the respective holes. It is thus possible for each group of holes to be one or two water cannons. Thus, the water cannons project water from the holes on the tracks (or directly onto the wheels of the truck) on which the truck moves, which makes it possible to orient the projection of the water and to create a sheaf of uniform water. Water cannons can be steered. According to a particular characteristic of the invention, each water gun is controlled by compressor. There may be a single compressor for all water cannons or a compressor for each water gun. Thus, the compressor is used to control a ball valve disposed in the water gun, thereby opening or closing the water gun or using the water gun intermittently in an economy mode to save money. of water. According to a particular characteristic of the invention, each compressor is pneumatically controlled by a control device, said control device being controlled by the driver of the truck at the truck cabin. Thus, the truck driver can control the water cannons from his cabin through the control device, which allows the truck driver to open the water cannons only when necessary and / or close the guns. when, for example, the truck is stopped. According to a particular feature of the invention, each water gun is directed to a mud flap of the respective front wheel. Thus, the water contained in the casing of the bucket is projected onto the mud flaps of the front wheels of the truck by the water cannons, which makes it possible to create two uniform sprays of water which flow onto the track on which rolls the truck, without wetting the front wheels of the truck. According to a particular feature of the invention, each water gun is directed to a deflector mounted directly on the water gun. The deflector may preferably be in the form of a carp tail or spoon-shaped. A plate may also be attached to the water cannon suspended cantilevered opposite the outlet thereof. According to a particular characteristic of the invention, the on-board humidification system further comprises an anti-clogging system disposed inside the formwork, in order to unclog the formwork or the gates of the formwork 30 during the tipping of the body during unloading. . Thus, the anti-clogging system makes it possible to eject the larger pebbles obstructing the passage of water through the water intake grids during the tipping of the bucket, which allows water to penetrate well into the water. the formwork through the water inlet grilles during subsequent filling of the empty bucket with dirty water.
    [0007] According to a particular characteristic of the invention, the anti-clogging system comprises counterbalanced combs, said counterbalanced combs being fixed in rotation on a single axis of rotation or on respective axes of rotation, the axis or axes of rotation being arranged in the formwork in the direction of width of the bucket, said counterbalanced combs being able to pass through the grids or counterweight effect when tilting the bucket. Thus, counterweights of counterbalanced combs allow the counterbalanced combs to tilt during the elevation of the bucket and thus to pass through the formwork water inlet grilles to project formwork. Thus, the largest pebbles placed in front of the water intake grids or stuck in the slots of the inlet grilles are driven when the bucket is in the raised position, which allows water to penetrate well into the formwork during the subsequent filling of the empty bucket with water, once the bucket lowered.
    [0008] According to one particular characteristic of the invention, the formwork comprises inside said vertical internal walls, said inner walls being orthogonal to the front face of the formwork, the front face of the formwork being the face of the formwork facing the the rear of the bucket, each inner wall having an arch-shaped hole at its lower portion opposite the front face of the formwork so that the water can flow to the holes.
    [0009] Thus, the arch-shaped holes of the inner walls allow to obtain a high water pressure inside the formwork, thus facilitating the flow of water through the holes.
    [0010] In addition, the internal walls of the formwork make it possible to reinforce the rigidity of the formwork, and can also serve as supports for the counterbalanced combs. According to a particular characteristic of the invention, the on-board humidification system further comprises a wintering plate that can be removably attached to the front face of the formwork comprising the grids, in order to obstruct the grids during wet periods. , during which dust suppression is not necessary. According to a particular characteristic of the invention, the exit diameter of the water cannons is adapted according to the need for watering. Each water gun is advantageously constituted by a barrel body and a nozzle / outlet head fixed to the barrel body in a removable manner, for example by a fireman coupling for easily changing the outlet orifice of the nozzle Release. Thus, the outlet diameter of the water cannons can be varied according to the watering requirements of the tracks, the nominal water passage diameter being, for example, 80 mm or 100 mm. The present invention also relates to a method of adaptation on an existing dump truck, characterized in that it consists in: - making holes in the bottom of the bucket respectively in the alignment of wheel trains right and left of the truck, at each end in the direction of the width of the bucket, to make holes; - Install, on each side of the truck, one or two water cannons under the bucket in fluid communication with the respective holes, the outlets of the water cannons being directed respectively to the mudflaps of the front wheels left and right of the truck ; installing at least one compressor on the truck, the at least one compressor controlling the water cannons; and - installing a formwork on the bottom of the bucket, the formwork covering the holes, the formwork comprising at its front face facing the back of the bucket one or more grids, and the formwork comprising inside that an anti-clogging system. Thus, the humidification equipment can easily be adapted to an existing dump truck or dump truck without heavy modification of the structure and without mechanical inconvenience or visual gene, the additional weight and loss of volume being negligible. In addition, the dimensions and inclination of the formwork can be adapted to those of the existing dump truck body.
    [0011] The bucket can, for example, be a flat-bottomed bucket or a V-bottomed bucket. The invention also relates to a formwork kit as described above and water cannons as described above, intended for to be mounted on a dumper dump truck or dump truck, said bucket being previously pierced on the front portion of its bottom to allow fluid communication between the inside of the formwork and the water cannons mounted under the bucket. To better illustrate the object of the present invention, will be described below, by way of illustration and not limited to, a preferred embodiment, with reference to the accompanying drawings. In these drawings: - Figure 1 is a sectional view of a tipper truck 10 according to the present invention; Figure 2 is a perspective view of the dump truck body according to the present invention; Figure 3 is a perspective view of the interior of the formwork in the dump truck body according to the present invention; - Figure 4 is a side sectional view of the interior of the formwork in the bucket of the dump truck according to the present invention; Figure 5 is a perspective view of a counterbalance comb of the anti-clogging system of the dump truck according to the present invention when the bucket is tilted; and Figure 6 is a side view, at a water gun, of the dump truck body according to the present invention. Referring to Figure 1, it can be seen that there is shown a dump truck 1 according to a preferred embodiment of the present invention. The dump truck 1 comprises a bucket 2 adapted to be tilted in a raised position in order to unload a loaded material contained in the bucket 2 towards the rear of the truck 1. The dump truck 1 can, for example, be a quarry machine, a mining machine or an earth-moving machine such as a dumper or dumper. The dump truck 1 includes an on-board humidification system of tracks 3 so that the truck 1 can humidify the tracks on which it travels in the quarry or the mine, in order to carry out a dust removal. The onboard track humidification system 3 comprises a formwork 4 disposed on the bottom of the bucket 2 in the width direction of the bucket 2 in the vicinity of the front end of the bucket 2, the formwork 4 being able to receive 15 water inside thereof through slots (not shown in Figure 1) made at the front of it. Thus, when the bucket 2 of the truck 1 is empty, dirty water 5, coming for example from a quarry water supply 20, can be discharged into the bucket 2, the dirty water 5 then entering the formwork 4 of the onboard tracks humidification system 3 through the slots on the front face of the formwork 4. The bottom of the skip 2 has holes (not shown in FIG. 1) respectively in the alignment of the trains of right and left wheels of the truck 1, at each end in the direction of the width of the bucket 2, and inside the formwork 4, said holes being in fluid communication with the slots of the formwork 4. The embedded system track humidification 3 further comprises two water cannons 6 arranged under the bucket 2 respectively at the holes at the front left and right wheels of the truck 1. Each water gun 6 is directed to a mud flap 7 of the respective front wheel of the truck 1.
    [0012] Thus, the water stored in the formwork 4 can flow to the water cannons 6 through the holes, the water cannons 6 then projecting water on the mudflaps 7 of the front wheels of the truck 1, which makes it possible to create two uniform jets of water which flow on the track on which the truck 1 rolls, without wetting the front wheels of the truck 1, the formwork 4 making it possible not to obstruct the holes in order to ensure the smooth flow some water. It should be noted that the water cannons 6 could be directed directly to the tracks without departing from the scope of the present invention. It should be noted that the runway air humidification system 3 may not have water cannons 6, the water 5 flowing directly on the 20 tracks through the holes, without departing from the scope of this invention. It should be noted that the on-board humidification system of tracks 3 could comprise, on each side of the truck 1, several water cannons 6, without departing from the scope of the present invention. The onboard humidification system of tracks 3 is mainly mechanical and does not contain a pump, water filtration and nozzle, the majority of the structure being mechanically welded and, preferably, hardox (registered mark 30). 30mm thick for maximum strength.
    [0013] Referring to Figure 2, it can be seen that there is shown the bucket 2 of the dump truck 1 according to the present invention. It should be noted that the formwork 4 is shown in dashed lines in FIG. 2 to facilitate understanding of the reader. The formwork 4 comprises water intake grids 8 at its front face so as to let the water pass through the formwork 4 when filling the empty skip 2 with water, the arrival grids of water 8 consisting of three sets of four slots. It should be noted that the water intake grilles 8 could consist of any number of slit sets, each set of slits having any number of slits, without departing from the scope of the present invention. Holes 9 are arranged in the bottom of the bucket 2 at the front left and right wheels of the truck 1 inside the formwork 4, the water contained in the formwork 4 can thus flow at the front wheels truck 1 through these holes 9, the formwork 4 to create a current effect by siphon effect which improves the distribution of water. The formwork 4 further includes internal vertical walls 10 therein, said inner walls 10 being orthogonal to the front face of the formwork 4, each inner wall 10 having an arch-shaped hole 11 its lower part opposite the front face of the formwork 4 so that the water can flow 30 to the holes 9. Thus, the inner walls 10 of the formwork 4 allow to create several compartments inside the formwork 4, namely two end compartments having the holes 9 and three central compartments comprising the inlet grids 8. In addition, the arch-shaped holes 11 of the inner walls 10 allow to obtain a high water pressure of 5. the interior of the formwork 4, thus facilitating the flow of water through the holes 9. It should be noted that a wintering plate (not shown in FIG. 2) can be fixed in a removable manner on the face before formwork 4 including the 10 water inlet grilles 8 to obstruct the water inlet grilles 8 during wet periods during which dust removal is not necessary. Referring to Figure 3, Figure 4 and Figure 5, it can be seen that there is shown inside the formwork 4 of the dump truck 1 according to the present invention. The onboard humification system tracks 3 further comprises an anti-clogging system 12 disposed inside the formwork 4 at the central compartments 20 comprising the water inlet grids 8, in order to unclog the grids. water supply 8 of the formwork 4 during the tilting of the bucket 2 of the truck 1 during an unloading of transported material. It should be noted that the anti-clogging system 12 was not shown in Figure 1 and Figure 2 so as not to overload the drawings. It should be noted that in FIG. 3 and FIG. 5, the upper walls of the formwork 4 covering the central compartments of the formwork 4 have not been shown in order to present the anti-clogging system 12.
    [0014] It should be noted that the dump truck 1 may not have an anti-clogging system 12, without departing from the scope of the present invention. The anti-clogging system 12 comprises three counterbalanced combs 13 respectively located in each of the central compartments of the formwork 4. It should be noted that the anti-clogging system 12 could comprise any number of counterbalanced combs 13, without departing within the scope of the present invention. Each counterbalanced comb 13 has a counterweight 13a on which a plurality of metal claws 13b are attached, the counterbalanced comb 13 having as many claws 13b as the central compartment in which it is located has water inlet slots 8 , the claws 13b being sized to be able to pass through the water inlet grid slots 8. The claws 13b could also be knife-shaped, as shown in dashed lines in FIG. depart from the scope of the present invention. It should be noted that, in Figure 3, the inlet grilles 8 are drawn in dashed lines so as not to overload the drawing. Each counterbalanced comb 13 is rotatably mounted on a respective axis of rotation 14, the two ends of the axis of rotation 14 being attached to two of the inner walls 10 of the formwork 4. It should be noted that all the counterbalanced combs 13 could be fixed in rotation on a single axis of rotation 14, the inner walls 10 of the formwork 4 having in this case bores in order to insert the single axis of rotation 14, the ends of the axis of rotation 14 single being attached to the side walls of the bucket 2, without departing from the scope of the present invention. As shown in FIG. 5, when the bucket 2 of the truck 1 is tilted back to unload a transported material, the claws 13b of the counterbalance combs 13 of the anti-clogging system 12 pass through the grids. water supply 8 by counterweight effect, the counterweight 13a allowing the claws 13b to remain vertical regardless of the inclination of the bucket 2, the ends of the claws being placed on the bottom of the bucket 2 when the bucket 2 is flat and out of the grids 8 when the bucket 2 is in the raised position. Thus, the largest pebbles arranged in front of the water intake grilles 8 or wedged in the slots of the water inlet grilles 8 are driven off by the claws 13b when the skip 2 is in the raised position, which allows to the water to penetrate well into the formwork 4 during the subsequent filling of the empty bucket 2 with water. Referring to FIG. 6, it can be seen that there is shown the skip 2 of the dump truck 1 according to the present invention at a water gun 6. Each water gun 6 is controlled by compressor 15, the compressor 15 for controlling a ball valve disposed in the water gun 6, which allows to open or close the water gun 6 or use the water gun 6 in a mode intermittently in order to save water. The compressor 15 is preferably arranged near the truck cab 1. Each compressor 15 of the water cannons 6 is pneumatically controlled by a control device 16, said control device 16 being driven by the driver of the truck. truck 1 at the cabin of the truck 1. Thus, the driver of the truck 1 can control the water cannons 6 from his cabin through the control device 16, which allows the driver of the truck 1 to open the doors. water guns 6 only when necessary and / or close the water cannons 6 when, for example, the truck 1 is stopped. It should be noted that the outlet diameter of the water cannons 6 can be adapted according to the need for watering, the nominal water passage diameter being, for example, 80 mm or 100 mm. It should be noted that water boxes could also be placed under the bucket 2 between the holes 9 and the water cannons 6, the water boxes storing water from the bucket 2 before the water cannons 6 project this stored water on the mud flaps 7 of the front wheels of the truck 1, without departing from the scope of the present invention. The invention also relates to a method of adaptation on an existing dump truck 1, characterized in that it consists in: - making holes in the bottom of the bucket 2 respectively in the alignment of the trains of wheels 25 right and left of the truck 1, at each end in the width direction of the bucket 2, to make holes 9; - Install, on each side of the truck 1, one or two water cannons 6 under the bucket 2 in fluid communication with the respective holes 9, the outlets of the water cannons 6 being directed respectively to the mud flaps 7 of the left and right front wheels of truck 1; installing at least one compressor 15 on the truck 1, the at least one compressor 15 controlling the water cannons 6; and - installing a formwork 4 on the bottom of the bucket 2, the formwork 4 covering the holes 9, the formwork 4 having at its front face one or more grids 8, and the formwork 4 comprising inside this one; and an anti-clogging system 12. Thus, the on-board track humidification system 3 can easily be adapted to an existing dump truck 1 of the dumper or dump type without major modification of the structure and without mechanical inconvenience or visual gene, the extra weight and the loss of volume being negligible.
    [0015] In addition, the dimensions and inclination of the formwork 4 can be adapted according to those of the dump 2 of the existing dump truck 1.
    权利要求:
    Claims (9)
    [0001]
    CLAIMS1 - Dump truck (1) comprising a dump body (2) having a front end facing the cab of the truck (1) and an opposite rear end, characterized in that the bucket (2) comprises an embedded system d humidification tracks (3) comprising a formwork (4) formed on the bottom of the bucket (2), in the vicinity of the front end of the bucket (2), said formwork (4) having on at least one its faces one or more grids (8) for passing water stored in the bucket (2), and means for spraying fluid on each side of the truck (1), between its front wheels and its rear wheels in fluid communication from the inside of the formwork with said one or more grids (8).
    [0002]
    2 - dump truck (1) according to claim 1, characterized in that the fluid projection means are constituted by holes (9) formed in the bottom of the bucket (2) under the formwork (4), respectively in the alignment of the right and left wheel trains of the truck (1) at each end in the direction of the width of the bucket (2).
    [0003]
    3 - dump truck (1) according to claim 2, characterized in that the fluid projection means further comprise, on each side of the truck (1), at least one water gun (6) disposed under the bucket (2) in fluid communication with the respective holes (9). 30
    [0004]
    4 - dump truck (1) according to claim 3, characterized in that each water gun (6) is controlled by compressor (15).
    [0005]
    5 - dump truck (1) according to claim 4, characterized in that each compressor (15) is pneumatically controlled by a control device (16), said control device (16) being controlled by the driver truck (1) at the cabin of the truck (1).
    [0006]
    6 - dump truck (1) according to one of claims 3 to 5, characterized in that each water gun (6) is directed to a mud flap (7) 10 of the respective front wheel.
    [0007]
    7 - dump truck (1) according to one of claims 3 to 5, characterized in that each water gun (6) is directed to a deflector mounted directly on the water gun (6). 15
    [0008]
    8 - dump truck (1) according to one of claims 1 to 7, characterized in that it further comprises an anti-clogging system (12) disposed inside the formwork (4), in order to unclog the grid or grids (8) of the formwork (4) during tilting of the bucket 20 (2) during unloading.
    [0009]
    9 dump truck (1) according to claim 8, characterized in that the anti-clogging system (12) comprises counterbalanced combs (13), said counterbalanced combs (13) being fixed in rotation on an axis of rotation (14) or on respective axes of rotation (14), the axis or axes of rotation (14) being arranged in the formwork (4) in the direction of width of the bucket (2), said combs with counterweight (13) being able to pass through the grids (8) by the effect of counterweight during the tilting of the bucket (2). - Tipper truck (1) according to one of claims 1 to 9, characterized in that the formwork (4) has inside thereof vertical internal walls (10), said inner walls (10) being orthogonal to the front face of the formwork (4), each inner wall (10) having an arch-shaped hole (11) at its lower portion opposite the front face of the formwork (4) so that the water can flow to the holes (9). 11 - dump truck (1) according to one of claims 1 to 10, characterized in that it further comprises a wintering plate removably attachable on the front face of the formwork (4) comprising or the grids (8), to obstruct the grids (8) during wet periods. 12 - dump truck (1) according to one of claims 3 to 11, characterized in that the outlet diameter of the water cannons (6) is adapted according to the need for watering. 13 - Method of adaptation on an existing dump truck (1), characterized in that it consists in: - making holes in the bottom of the bucket (2) respectively in the alignment of the wheel trains right and left of the truck (1), at each end in the direction of the width of the bucket (2), to make holes (9); 25 - installing, on each side of the truck (1), one or two water cannons (6) under the bucket (2) in fluid communication with the respective holes (9), the outlets of the water cannons (6) being directed respectively to the mud flaps (7) of the left and right front wheels of the truck (1); - Install at least one compressor (15) on the truck (1), the at least one compressor (15) controlling the water cannons (6); and- installing a formwork (4) on the bottom of the bucket (2), the formwork (4) covering the holes (9), the formwork (4) having at its front face one or more grids (8), and the formwork (4) having the interior thereof an anti-clogging system (12).
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    同族专利:
    公开号 | 公开日
    WO2016051042A1|2016-04-07|
    FR3026376B1|2016-10-28|
    引用文献:
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    FR2730177A1|1995-02-02|1996-08-09|Realisation Mecanique Outillag|Dust laying device fitted to public works or mining vehicles|
    WO1998035104A1|1997-02-12|1998-08-13|Deming Dale A|Electrostatic water spray dust suppression system for mobile dust sources|CN107022970A|2017-04-25|2017-08-08|朱梅|A kind of municipal greenbelt sprinkler|
    WO2017203117A1|2016-05-25|2017-11-30|Natural Tech|Bucket provided with an on-board track-wetting system, loader provided with the bucket and method for adapting an existing bucket|
    EP3693512A1|2019-02-11|2020-08-12|Natural Tech|Lorry with tilting bucket and on-board system for humidification of tracks|
    CN109353315A|2018-10-25|2019-02-19|白贞兵|A kind of dumper water tank and dumper|
    法律状态:
    2015-07-15| PLFP| Fee payment|Year of fee payment: 2 |
    2016-04-01| PLSC| Search report ready|Effective date: 20160401 |
    2016-09-26| PLFP| Fee payment|Year of fee payment: 3 |
    2017-07-26| PLFP| Fee payment|Year of fee payment: 4 |
    2018-08-14| PLFP| Fee payment|Year of fee payment: 5 |
    2019-08-28| PLFP| Fee payment|Year of fee payment: 6 |
    2020-08-28| PLFP| Fee payment|Year of fee payment: 7 |
    2021-09-24| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1459332A|FR3026376B1|2014-09-30|2014-09-30|TILT-DUMP TRUCK EQUIPPED WITH AN ON-LINE TRACK HUMIDIFICATION SYSTEM DESIGNED FOR HUMIDIFYING TRACKS AND DUST SLAUGHTERING|FR1459332A| FR3026376B1|2014-09-30|2014-09-30|TILT-DUMP TRUCK EQUIPPED WITH AN ON-LINE TRACK HUMIDIFICATION SYSTEM DESIGNED FOR HUMIDIFYING TRACKS AND DUST SLAUGHTERING|
    PCT/FR2015/052459| WO2016051042A1|2014-09-30|2015-09-15|Tipping dump truck fitted with an on-board system for wetting tracks designed for wetting tracks and abating dust|
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