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EP2987909A2 - Rouleau compresseur - Google Patents

Rouleau compresseur Download PDF

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Publication number
EP2987909A2
EP2987909A2 EP15180757.5A EP15180757A EP2987909A2 EP 2987909 A2 EP2987909 A2 EP 2987909A2 EP 15180757 A EP15180757 A EP 15180757A EP 2987909 A2 EP2987909 A2 EP 2987909A2
Authority
EP
European Patent Office
Prior art keywords
liquid
pump
main
compressor
fluid
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
Application number
EP15180757.5A
Other languages
German (de)
English (en)
Other versions
EP2987909A3 (fr
EP2987909B1 (fr
Inventor
Detlef Bornemann
Andreas Weiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamm AG
Original Assignee
Hamm AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hamm AG filed Critical Hamm AG
Publication of EP2987909A2 publication Critical patent/EP2987909A2/fr
Publication of EP2987909A3 publication Critical patent/EP2987909A3/fr
Application granted granted Critical
Publication of EP2987909B1 publication Critical patent/EP2987909B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/238—Wetting, cleaning or heating rolling elements, e.g. oiling, wiping, scraping
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/264—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles with attachments for work other than rolling, e.g. grading, scarifying
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/268—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles designed for rolling surfaces not situated in the plane of the riding surface of the apparatus, e.g. stepped-down surfaces, sloping edge of surfacing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
    • E01C19/285—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows with attachments for work other than rolling, e.g. dozer blades, shoes for conversion into plate vibrator; fitted to vehicles, road-construction or earth-moving machinery ; vibrated or the like auxiliary rolls, e.g. for rolling road edges; provided with means for facilitating transport

Definitions

  • the present invention relates to a soil compactor comprising at least one compressor roller rotatable about a roller rotation axis, at least one edge processing device and a liquid storage / dispensing system for storing and dispensing fluid to at least one compressor roller and at least one edge processing device.
  • Such soil compactors generally self-propelled soil compactors, are used, for example, in road construction to compact the road surface or the road surface, in particular an asphalt surface.
  • soil compactors When compacting easily adhering materials such. As asphalt, care must be taken that the coming into contact with this material areas of the soil compactor, in particular so the compressor rollers are treated so that the material to be compacted does not adhere to these.
  • a self-propelled soil compactor which comprises in each of a front and a rear region of a machine frame a compressor roller, which in this embodiment example are provided by a group of wheels with pneumatic tires located next to each other in the direction of a respective compressor roller rotational axis. Also within the meaning of the present invention, such a group of adjacent wheels may be considered as providing a compacting roller.
  • This known soil compactor comprises a liquid storage / dispensing system with a liquid storage.
  • a pump By a pump, the stored in this liquid storage liquid, ie water, is conveyed towards a first liquid discharge unit, through which the liquid on the surface of one of the compressor rolls, ie, the latter Compressor roller providing tires or wheels, is applied.
  • this pump conveys liquid to an edge processing device arranged next to one of the rollers, which serves to smooth out or bevel the edge region of a roadway to be built up from asphalt material to be compacted.
  • This edge processing device is associated with a second liquid dispensing unit.
  • the supply of liquid to the first liquid dispensing unit or the second liquid dispensing unit can be interrupted by respective valves which are arranged in respective liquid discharge lines from the liquid pump to the liquid dispensing units.
  • a soil compactor comprising at least one compressor roller rotatable about a roller rotational axis, at least one edge processing device and a liquid storage / dispensing system for storing and dispensing liquid to at least one compressor roller and at least one edge processing device.
  • the liquid storage / dispensing system comprises at least a first liquid pump for conveying liquid to at least one first liquid dispensing unit associated with a compressor roller and at least one second liquid pump for conveying liquid to at least one second liquid dispensing unit associated with an edge processing device.
  • the system areas compressor roller (s) on the one hand and edge treatment device (s) on the other hand can be supplied with fluid independently of one another by liquid pumps which can also be operated autonomously.
  • this allows the dimensioning of the liquid pumps assigned to these different system areas in such a way that they are designed for the respectively required quantity of liquid, thus overdimensioning can be avoided.
  • there is no mutual interaction in operation which also increases the reliability, since, for example, a defect of a second liquid pump does not affect the supply of liquid to the compressor or the rollers.
  • At least one first liquid pump and at least one second liquid pump are connected in parallel to each other.
  • the construction may be such that at least a first liquid pump and at least one second liquid pump receive liquid from an intermediate liquid line and that the at least one first liquid pump discharges liquid into a first liquid discharge line leading to at least a first liquid dispensing unit and the at least a second liquid pump discharges liquid into a second liquid discharge line leading to at least one second liquid discharge unit. All liquid pumps can thus absorb liquid via a common liquid intermediate line and then deliver it separately via respective discharge lines to the system areas to be supplied with liquid.
  • the liquid storage / dispensing system comprise at least one main liquid reservoir and a liquid main line associated therewith and leading to a liquid reservoir.
  • the liquid intermediate line leads from the liquid intermediate store to at least one first liquid pump and at least one second liquid pump.
  • At least one, preferably all, of the main liquid reservoirs can be filled and emptied via the associated main liquid lines.
  • the liquid intermediate store is assigned a filling connection for filling at least one liquid main store in communication with it via the liquid intermediate store.
  • the soil compactor according to the invention is advantageously constructed with two compressor rolls, wherein each compacting roll is assigned a liquid discharge unit.
  • a liquid main memory can be arranged above each compressor roller, so that a uniform weight distribution in the soil compactor can be ensured.
  • an edge processing device can advantageously be provided in association with each compacting mill.
  • the edge processing devices are provided on different sides of the soil compactor in the direction of the compressor roller axes of rotation.
  • Fig. 1 is an example used for compacting asphalt material for a roadway self-propelled soil compactor 10 in principle representation shown in side view.
  • the soil compactor 10 includes a machine frame 12 formed, for example, as a hinged frame, on which two compressor rolls 14, 16 are rotatably supported about respective compressor roll rotation axes.
  • the two compressor rollers 14, 16 are arranged on the machine frame 12 in a direction of movement of the soil compactor 10 consecutively. For example, one of them may be provided on a front end and one of them on a rear end of the machine frame.
  • each of the compressor rolls 14, 16 may be constructed as a roll formed with a roll shell of steel material passing through the compressor roll rotational axis direction.
  • one or both of the compressor rolls 14, 16 could in principle also be formed with a plurality of individual wheels following one another in the direction of the respective compressor roller rotation axis, for example with pneumatic tires, which in their entirety define a compactor roller in the sense of the present invention.
  • each wheel of such a group of juxtaposed Wheels are considered as a compressor roller in the context of the present invention.
  • the drive unit ie for example a diesel drive unit, may be carried on the machine frame 12.
  • the various system areas to be driven of the soil compactor 10 with corresponding drive energy for example via a pressurized fluid circuit, a generator / motor or the like can be fed.
  • the soil compactor 10 includes a liquid storage / dispensing system, generally designated 22. From this liquid storage / dispensing system, its structure and operation with reference to the following Fig. 2 described in detail are in Fig. 1 two liquid main tanks 24, 26 are visible, which are each supported on a compressor roller 14, 16 on the machine frame 12. Furthermore, in Fig. 1 schematically a liquid intermediate storage 28 recognizable, which is supported on the machine frame 12 in the area 20 under the driver's cab 18, ie in that area in which the drive unit can be accommodated. Furthermore, in Fig. 1 schematically from the liquid main memories 24, 26 to the intermediate liquid storage 28 leading liquid main lines 30, 32 recognizable.
  • the liquid contained in the liquid main memories 24, 26 can be delivered to the intermediate liquid storage 28 and then passed in the manner described below to be fed to liquid system areas of the soil compactor 10.
  • These system areas include the two compressor rolls 14, 16, the surface of which, in particular, has to be wetted with liquid during an asphalt compacting operation in order to prevent the adhesion of asphalt material to the compacting rolls 14, 16 to avoid.
  • Another with systemic fluid, so for example water, to be fed system area is in Fig. 1 shown in association with the compressor roller 14.
  • This system area comprises an edge processing device 34, which is arranged laterally next to the compressor roller 14 and can be used for processing a roadway edge.
  • This edge processing device 34 comprises an edge-machining wheel 38 that can be adjusted, for example, by a hydromechanical drive 36 in the vertical direction, which can be formed as a bevel gear and can press and beveled in contact with the roadway edge to be machined.
  • the edge processing wheel 38 can be brought into a suitable height positioning and driven for rotation for performing such edge processing operation.
  • the soil compactor 10 may include two such edgers 34, each on one side thereof, as viewed in the direction of the compressor roller axes of rotation.
  • the compressor roller 16 provided at the other end region of the machine frame 12 is also attached to the compressor roller 16 in FIG Fig. 1 unrecognizable side of the soil compactor 10 is associated with such a peripheral processing device, so that regardless of the orientation or of the direction of movement of the soil compactor 10 each have an edge region can be processed with the associated edge processing device.
  • Fig. 2 are the two main liquid storage 24, 26 can be seen, each in its upper region, for example by a closure 40, 42, z. B. screw lockable opening 41, 43 may have.
  • These openings 41, 43 or the respective associated closure 40, 42 can serve on the one hand for venting the respective main liquid storage 24, 26 in a filling process, on the other hand could basically via these openings 41, 43 with each removed closure 40, 42 and a filling of the liquid main memory 24, 26 take place.
  • the liquid main memory 24 associated main liquid line 30, which leads from a lower portion of the main liquid storage 24 to the liquid buffer 28.
  • the liquid main line 32 assigned to the main liquid store 26 leads from a lower area of the main liquid store 26 to the intermediate liquid store 28. It can be seen that the two liquid main lines 30, 32 in an upper area of the liquid intermediate store 28 open into this. Since the intermediate liquid reservoir 28 is arranged below the two main liquid reservoirs 24, 26 in the vertical direction, it is ensured that the main liquid reservoirs 24, 26 can be completely emptied to the liquid intermediate reservoir 28 via the liquid main lines 30, 32.
  • the intermediate liquid reservoir 28 is further associated with a filling flange 44 provided in a lower region on this.
  • This filling connection 44 which is designed, for example, as an inclination angle connection or pressure pipe connection, preferably so-called C-pipe connection, can be used to fill the two main liquid reservoirs 24, 26 via the liquid intermediate store and the main liquid lines 30, 32 leading to it ,
  • the liquid main line 30 or 32 assigned to a respective main liquid storage 24 or 26 can be used not only for emptying the main liquid storage 24 or 26, but also for filling it.
  • the filling port 44 is constructed so that it is suitable for pressure filling, it is thus possible to fill the two main liquid storage parallel to each other in a very short time.
  • the air displaced from the main liquid reservoirs 24, 26 can escape via the openings 41, 43 provided in the upper region of these main liquid reservoirs 24, 26 or the closures 40, 42 assigned to them and respective venting arrangements.
  • a closable by a closure 46 liquid discharge opening 45 is also provided. Via this liquid discharge opening 45, liquid contained in the main liquid reservoirs 24, 26 or the main liquid lines 30, 32 can be drained off. Furthermore, a liquid filter arrangement can be carried on the closure 46 closing off the liquid discharge opening 45, which can be designed as a screw closure, so that it can be easily removed from the liquid intermediate store 28 and cleaned when the closure 46 is removed.
  • a fluid delivery device 48 which is designed, for example, as a water tap, is furthermore provided. This can be used to make it possible for personnel working in the area of the soil compactor 10, for example, to clean their hands with the liquid stored in the liquid main storages 24, 26 or also in the liquid intermediate store 28.
  • the liquid buffer 28 may be further associated with a level sensing arrangement.
  • the latter can, for example, operate in a pressure-dependent manner in the intermediate liquid reservoir 28, so that it can be concluded on the basis of the detected liquid pressure to what extent the liquid main reservoirs 24, 26 positioned above the liquid intermediate reservoir 28 are still filled with liquid.
  • the filling connection 44 preferably has a valve arrangement, preferably a non-return valve arrangement, which ensures only an inflow of liquid into the intermediate liquid store 28, but prevents the escape of liquid from the liquid intermediate store 28 through the filling connection 44.
  • the draining off of liquid can take place via the liquid discharge opening 45 closed by the closure 46.
  • a liquid intermediate line 50 leads away to two first liquid pumps 52, 54 and a second liquid pump 56. These three liquid pumps 52, 54, 56 are connected in parallel to the liquid intermediate line 50 and thus take liquid in parallel from the liquid intermediate line 50 on.
  • the first two fluid pumps 52, 54 are connected to each other in parallel to a first fluid discharge line 58.
  • the first liquid discharge line 58 leads away from the first two liquid pumps 52, 54 and is branched into two first branch lines 60, 62. Each first branch line 60, 62 leads to a respective first liquid dispensing unit 64, 66.
  • the first liquid dispensing unit 64 is associated with the compacting roller 14 and comprises a plurality of liquid in the direction of the compressor roller axis of rotation and in the conveying operation of the first liquid pumps 52, 54 liquid on the surface These may be provided on a distributor tube 70 positioned along the compressor roller 14, preferably along a stripper also associated with the compressor roller 14, the compressor roller 14. The sprayed through the liquid discharge nozzles 68 in a region above a scraper on the compressor roller 14 liquid is additionally distributed by the voltage applied to the surface of the compressor roller 14 scraper, so that a full-surface wetting of the compressor roller 14 is ensured with the output from the first liquid discharge unit 64 liquid ,
  • first liquid dispensing unit 66 is associated with the other compressor roller 16.
  • This first liquid dispensing unit 66 which interacts with the compacting roller 16, also comprises a distributor tube 72, which preferably extends over one of the compactor roller 16 and has a plurality of liquid dispensing nozzles 74 provided thereon.
  • the liquid contained in the main liquid reservoirs 24, 26 and gravitationally flowing into the liquid intermediate reservoir 28 via the liquid main lines 30, 32 can be withdrawn from the liquid intermediate reservoir 28 via one of the first liquid pumps 52, 54 and via the first liquid discharge line 58 and the first two branch pipes 60, 62 are conveyed to the first liquid discharge units 64, 66.
  • the dimensioning of the first liquid pumps 52, 54 is selected such that each one of them has a sufficient delivery capacity in order to supply both liquid discharge units 64, 66 with sufficient liquid.
  • the provision of two mutually parallel connected first fluid pumps 52, 54 ensures that in case of failure, one of the pumps can be continued immediately with the other, so that an interruption in the fluid supply to the two fluid delivery units 64, 66 can be avoided.
  • the second liquid pump 56 which likewise withdraws liquid from the liquid intermediate store 58 via the liquid intermediate line 50, discharges the liquid conveyed by the latter into a second liquid discharge line 76.
  • the second liquid discharge line 76 branches into two second branch lines 78, 80.
  • Each second branch line 78, 80 leads to a second liquid dispensing unit 82, 84, respectively.
  • Each of these second liquid dispensing units 82, 84 may include one or more liquid dispensing nozzles 86, 88. Via the liquid dispensing nozzles 86, 88, the liquid conveyed by the second liquid pump 56 can be discharged in the direction of a respective edge processing device 34 or 34 ' become.
  • the liquid can be sprayed onto the respective edge-machining wheel 38 or 38 'of the edge-processing device 34 or 34', while it rotates about a rotation axis in the edge-machining process.
  • each of these two edge processing devices 34, 34 ' can each be assigned to one of the two compressor rollers 14, 16, advantageously distributed to the two sides of the soil compactor 10.
  • the second liquid pump 56 By means of the second liquid pump 56 connected in parallel to the first two liquid pumps 52, 54, liquid can be conveyed to the second liquid discharge units 82, 84, independently of the operation of the first liquid pump 52, with the required or advantageous amount. Since, in general, significantly less liquid has to be conveyed to the edge processing devices 34, 34 'in the edge processing operation than is required for the two compressor rollers 14, 16, the second liquid pump 56 can be designed with a lower maximum delivery rate, ie delivery volume per unit time The result is that, if during a edge processing operation, a liquid supply to the first two liquid dispensing units 64, 66 is not required, much less energy must be expended to promote liquid, since only a comparatively small dimensioned fluid pump, namely the second fluid pump 56, is to operate. Furthermore, the second liquid feed pump 56 can also be designed or activated for another conveying operation, for example an intermittent conveying operation.
  • FIG. 1 and 2 described soil compactor 10 contains a variety of particularly advantageous in combination, but also individually positive impacting aspects.
  • this provides the possibility of filling one or more main liquid reservoirs 24, 26 via a filling connection 44 assigned to them, in particular when carrying out a pressure filling operation, for which purpose the aspect that the main liquid lines 30, 32 are not only used for emptying the main liquid reservoir is utilized 24, 26, but also for filling the same can be used.
  • Another very advantageous aspect of the ground compactor 10 according to the invention is that the various system areas to be supplied with liquid, generally water, in which there are different requirements with respect to the required amount of water, namely the compactor rolls 14, 16 on the one hand and the edge processing devices 34, 34 '.
  • first liquid pumps 52, 54 and a second liquid pump 56 can be fed independently of each other by these system areas.
  • Each of these system areas or each of these delivery pumps 52, 54, 56 can thus be constructed with optimum design aspects for the respective operation, in particular with a sufficient maximum delivery capacity, without any impairment in functionality in the liquid supply to a respective other system area brings.
  • both main liquid reservoirs 24, 26 can be filled via a common filling connection 44 can also be realized if each main liquid store 24, 26 is assigned several, for example two, liquid main lines. From each main liquid storage 24, 26 could then lead, for example, a main liquid line to the liquid reservoir 28, while in each case a different main liquid line to the then, for example, not provided on the liquid reservoir 28 filling port 44 could lead, so that these liquid main main lines then the main liquid reservoir 24, 26 are filled together can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Fertilizing (AREA)
  • Soil Working Implements (AREA)
EP15180757.5A 2014-08-19 2015-08-12 Rouleau compresseur Active EP2987909B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014216439.7A DE102014216439A1 (de) 2014-08-19 2014-08-19 Bodenverdichter

Publications (3)

Publication Number Publication Date
EP2987909A2 true EP2987909A2 (fr) 2016-02-24
EP2987909A3 EP2987909A3 (fr) 2016-07-20
EP2987909B1 EP2987909B1 (fr) 2019-11-06

Family

ID=53886906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15180757.5A Active EP2987909B1 (fr) 2014-08-19 2015-08-12 Rouleau compresseur

Country Status (3)

Country Link
US (1) US9422675B2 (fr)
EP (1) EP2987909B1 (fr)
DE (1) DE102014216439A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9072535B2 (en) 2011-05-27 2015-07-07 Ethicon Endo-Surgery, Inc. Surgical stapling instruments with rotatable staple deployment arrangements
DE102016007166A1 (de) * 2016-06-13 2017-12-14 Bomag Gmbh Walze zur Asphaltverdichtung, insbesondere Gummiradwalze, und Verfahren zum Besprühen eines Gummirads einer Walze zur Asphaltverdichtung
DE102016210906A1 (de) * 2016-06-17 2017-12-21 Hamm Ag Bodenverdichtungsmaschine, sowie Verfahren zum Herstellen eines Beschwerungsgewichtes für eine Bodenverdichtungsmaschine
KR101762214B1 (ko) * 2016-12-16 2017-07-27 송영철 노면 파쇄 장치
DE102017011146A1 (de) * 2017-12-01 2019-06-06 Bomag Gmbh Gummiradwalze zur Verdichtung eines Bodens und Verfahren zur Steuerung einer Berieselungsanlage einer Gummiradwalze
US11377802B2 (en) 2019-11-08 2022-07-05 Caterpillar Paving Products Inc. Compaction machine
US12059695B2 (en) * 2021-09-16 2024-08-13 Caterpillar Paving Products Inc. Fluid spray system timing control

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US8500363B1 (en) 2012-02-29 2013-08-06 Caterpillar Paving Products Inc. Compactor having controllable edge wheel spray system

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US4187036A (en) * 1978-09-07 1980-02-05 Rexnord Inc. Vibration control for asphalt roadway compactor
US6827524B2 (en) * 2002-07-26 2004-12-07 Ingersoll-Rand Company Controller for a compacting vehicle wetting system
JP4034203B2 (ja) 2003-02-13 2008-01-16 酒井重工業株式会社 転圧車両の散水装置
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US8636443B2 (en) * 2012-02-29 2014-01-28 Caterpillar Paying Products Inc. Compactor having electronically controlled liquid dispensing mechanism, system, and method
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Publication number Priority date Publication date Assignee Title
US8500363B1 (en) 2012-02-29 2013-08-06 Caterpillar Paving Products Inc. Compactor having controllable edge wheel spray system

Also Published As

Publication number Publication date
EP2987909A3 (fr) 2016-07-20
EP2987909B1 (fr) 2019-11-06
US9422675B2 (en) 2016-08-23
US20160053443A1 (en) 2016-02-25
DE102014216439A1 (de) 2016-02-25

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