CN105121745A - Apparatuses, systems, and methods for clearing a surface using air - Google Patents
Apparatuses, systems, and methods for clearing a surface using air Download PDFInfo
- Publication number
- CN105121745A CN105121745A CN201480007152.2A CN201480007152A CN105121745A CN 105121745 A CN105121745 A CN 105121745A CN 201480007152 A CN201480007152 A CN 201480007152A CN 105121745 A CN105121745 A CN 105121745A
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- China
- Prior art keywords
- air
- framework
- air knife
- road surface
- composite member
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Cleaning In General (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
Provided are apparatuses, methods, and systems to clear a road surface of debris, water, or other contaminants. A system for clearing a road surface is provided including an air knife with an elongate orifice extending along a line, a frame configured to support the air knife in a position substantially parallel to a plane defined by the road surface, and a tow bar coupled to the frame, where the tow bar is pivotable relative to the frame along an axis orthogonal to the plane defined by the road surface. The system may include a mounting plate connected to the tow bar, where the mounting plate is pivotably mounted to the frame. The air knife may be supplied with pressurized air to clear the road surface of debris. A guide wheel may be attached to the frame, where the guide wheel is configured to rotate about an axis orthogonal to the plane defined by the road surface.
Description
Technical field
Embodiments of the invention relate generally to equipment, system and method for clearing up surface.Specifically, embodiment can comprise a kind of system, and it is configured to when described system is advanced above road surface from the removing surface water such as road surface, oil, fragment or other object.
Background technology
Jointly and be individually called that the racing track of road surface, speedway, runway, road, parking lot and other similar surface engage generally through the tire of vehicle substantially in this article, described tire can be made up of rubber, synthetic rubber or similar compound.When road surface and tire are dry and road surface does not contain fragment, tire catches road surface substantially preferably.Pollutant (such as water, oil, gravel, tyre crumbs etc.) is incorporated into the earth-grasping force that road surface may reduce between tire and road surface.Thus, clear up the fragment of road surface and make road surface exsiccation can improve the earth-grasping force of tire on road surface.
Although automobile and aircraft can cross comparatively wet road surface, braking distance and operation can reduce.In some application (such as, its medium velocity and steering force may be much higher than the racing car that standard drives some forms of traffic), on wet track, racing car may be enough dangerous, makes possibility suspension until track is dry or has cleared up other fragment.In this type of application, compared with naturally becoming dry passively with permission track, make track become dry on one's own initiative and racing car, time trial, exercise, Qualifying etc. can be allowed to start or recover faster.Make racing track become dry fast on one's own initiative and can also reduce by the disappointment of the fan that the match of prolongation or cancellation causes due to rail conditions (such as wet track) and operating cost.When temperature be down to subzero and comparatively wet road surface become icing time, comparatively wet road surface also may cause problem.
Summary of the invention
Embodiments of the invention can provide the system of the pollutants such as a kind of water, fragment or other pollutant for clearing up road surface.In one embodiment, provide a kind of system for clearing up road surface, it comprises air knife, and it has the elongate aperture extended along line; Framework, it is configured to described air knife to be supported in the position substantially parallel to the plane defined by road surface; And being coupled to the draw bar of described framework, wherein said draw bar can relative to described framework along the axis pivotable being orthogonal to the plane defined by road surface.Draw bar can comprise installing plate, and wherein said installing plate is pivotally mounted to framework.Installing plate can be can in a first pivoting direction about the axis pivotable being orthogonal to the plane defined by road surface, and can be can about the axis pivotable being orthogonal to the plane defined by road surface in second pivotal orientation contrary with the first pivotal orientation.
Road surface cleaning system according to some example embodiment can comprise bias component, and it is configured to make installing plate at least the first pivotal orientation upper offset.The number of degrees of the pivotable between installing plate and framework may limit by pivot block.The number of degrees of pivotable can be about at the direct of travel relative to system between zero degree and the direct of travel 45 degree relative to system.Elongate aperture can be certain relative to the direct of travel of system angle placement, described angle such as between zero-sum 90 degree, between about 40 and 70 degree or about 60 degree.The air leaving elongate aperture can between about 30 and 60 degree relative to the angle of incidence of the plane defined by road surface.The air leaving elongate aperture can be about 45 degree relative to the angle of incidence of the plane by delimited.
Road surface cleaning system according to some example embodiment can comprise the guide wheel being attached to framework, and described guide wheel has the rotation being orthogonal to the plane defined by road surface.Described system can define direct of travel, and described system is advanced by towing vehicle in said direction, and guide wheel can be suitable for engaging the wall being parallel to direct of travel and extending.Bias component can be configured to that guide wheel is biased to and engage with wall.
Some embodiments can comprise the first flexible pipe of the manifold being attached to framework, the first end extending to air knife from manifold further, and extend to second flexible pipe of the second end of air knife from manifold.
Some embodiments of road surface cleaning system can comprise the second air knife, and it comprises the elongate aperture extended along line; And second framework, it is configured to be supported on by air knife in the position substantially parallel to the plane defined by road surface, and wherein the second framework is attached to the first framework.Second framework can relative to the first framework about first axle and about the second axis pivotable, and wherein first axle and the second axes normal are in each other, and first axle and the second axis are parallel to the plane defined by road surface separately.The direct of travel of the first framework and the direct of travel of the second framework can keep fixedly being parallel to each other, and can be parallel to the direct of travel that wherein system is configured to be advanced by towing vehicle.
Some embodiments can comprise further the one be attached in the first framework or the second framework manifold, extend to from manifold the first end of the first air knife the first flexible pipe, extend to from manifold the second end of the first air knife the second flexible pipe, extend to the 3rd flexible pipe of the first end of the second air knife from manifold and extend to the 4th flexible pipe of the second end of the second air knife from manifold.
Accompanying drawing explanation
So describing the present invention in general sense, referring now to accompanying drawing, described accompanying drawing is not drawn in proportion, and wherein:
Fig. 1 illustrates the phantom drawing of the road surface cleaning system of embodiment according to the present invention embodiment;
Fig. 2 illustrates the phantom drawing that may be used for the air knife in road surface cleaning system of embodiment according to the present invention embodiment;
Fig. 3 diagram is as the road surface cleaning system from Fig. 1 of top view;
Fig. 4 is depicted as the air knife of the road surface cleaning system of the Fig. 3 not comprising peripheral components;
Fig. 5 diagram is according to the phantom drawing of the road surface cleaning system of another example embodiment of the present invention;
Fig. 6 diagram is as the example embodiment from Fig. 5 of top view;
Fig. 7 diagram as in example embodiment of the present invention the globe joint bar end that uses;
Fig. 8 illustrates the detailed view of the system adjacent frame of surface cleaning system tightened together of embodiment according to the present invention embodiment;
The perspective detailed view of the fastening system of Fig. 9 pictorial image 8;
Figure 10 illustrate embodiment according to the present invention embodiment for allowing draw bar relative to the example embodiment of mechanism of the framework pivotable of road surface cleaning system;
Figure 11 describes to have the example embodiment of clearing up system relative to the road surface of the draw bar of framework pivotable according to of the present invention;
Figure 12 illustrates the surface cleaning system when being pulled in the rear of towing vehicle of embodiment according to the present invention embodiment;
Figure 13 illustrates the air supply module of the modularization road surface cleaning system of embodiment according to the present invention embodiment;
Figure 14 illustrates another view of the air supply module of Figure 13;
Figure 15 illustrates the modularization road surface cleaning system with the air knife composite member being connected to air supply module of embodiment according to the present invention embodiment;
Figure 16 illustrates the modularization road surface cleaning system with the air nozzle composite member being connected to air supply module of embodiment according to the present invention embodiment;
Figure 17 illustrates another view of the modularization road surface cleaning system of embodiment according to the present invention embodiment;
Figure 18 illustrates the modularization road surface cleaning system with the Figure 17 of the air nozzle composite member rotated relative to vehicle of embodiment according to the present invention embodiment;
Figure 19 illustrates the modularization road surface cleaning system comprising biasing mechanism of embodiment according to the present invention embodiment; And
Figure 20 illustrates the air knife composite member of embodiment according to the present invention embodiment.
Detailed description of the invention
Describe the present invention more all sidedly hereinafter with reference to accompanying drawing, show more of the present invention but not all embodiments in the drawings.In fact, the present invention can implement and should not be construed as to be limited to set forth embodiment herein in many different forms; Exactly, these embodiments are provided will to meet applicable law requirement to make the present invention.Same numbers refers to similar elements all the time.
Embodiments of the invention can provide a kind of in order to the system from road surface cleaning material (herein substantially also referred to as pollutant).In certain embodiments, material for clearance can be the fragment from racing surface or airfield runway, such as gravel, rubber, rubbish etc.In other embodiments, the object become dry for making road surface, material for clearance can be water.As should be appreciated that, embodiments of the invention can through implementing to be used for, from the extensively multiple material of road surface cleaning, making embodiment described herein be not intended as restrictive, but only providing the example embodiment of application of the present invention.Thus, embodiment described herein mainly describes when clearing up water from the road surface such as racing track or runway to make described surface become dry.
As above summarize, the road surface with the pollutant such as fragment or water may reduce and can be used for the earth-grasping force that vehicle crosses road surface, and the fragment of cleaning road surface and road surface is become dry greatly can improve the earth-grasping force of tire on road surface.Example embodiment of the present invention can make user can clear up fragment from road surface and/or surface is become dry fast.In addition, because be down in temperature the road surface comparatively wet when subzero and comparatively wet road surface becomes ice tunnel road surfaces also may cause problem, so embodiment can also be used for making road surface become dry before water is frozen into ice.In certain embodiments, heat can also be used to help road surface be become dry and/or even helps melt from road surface and remove snow and ice.
Fig. 1 illustrates the example embodiment of road surface of the present invention cleaning system 100, and it comprises the framework 110 with wheel 120 and the air knife 130 hung from framework 110.Air knife can by mechanisms such as a succession of bolts from frame hanging, and described mechanism can raise relative to road surface and reduce air knife, and the framework carried by wheel 120 is advanced above described road surface.Framework can comprise draw bar 140, and described draw bar may be used for pulling on the direct of travel of road surface, or promotes in certain embodiments.
Road surface cleaning system 100 road surface that can be pulled along it can comprise isohypse to a certain degree and fluctuating; But, for purposes of the present invention, road surface, and framework 110 part of road surface of advancing thereon specifically, by be described to plane in fact or the plane that defines road surface.
The draw bar 140 of road surface cleaning system 100 can hingedly be attached to framework 110 at pin joint 145 place.Pivotal point can allow moving up and down vertically relative to just cleaned road surface through traction end 147 of draw bar 140.Hinged can permission between draw bar 140 and framework 110 has the draw hook of differing heights or the towing vehicle of receiver, draw bar 140 through traction end 147 can be installed on described draw hook or receiver or be installed in described draw hook or receiver.In addition, the fluctuating in the hinged road surface that can adapt between towing vehicle and road surface cleaning system 100.
Towing vehicle for the road surface cleaning system 100 pulling (or promotion) example embodiment can be any suitable vehicle that can move described system.In certain embodiments, draw bar 140 (such as by suspension rod or telescopic arms) towing vehicle can be indirectly coupled to through traction end 147, make surface cleaning system 100 can not just in time be positioned at towing vehicle rear, as hereafter further described.
As hereafter described in further detail, the road surface cleaning system of example embodiment can by working through forced air towards surface for clearance guiding via air knife 130.Air knife can be supplied with through forced air by least one entrance, such as, entrance on the first end 132 of air knife and the second end 134 of air knife.Compressed air can be fed to the first end 132 by the first flexible pipe 165, and compressed air can be fed to the second end 134 by the second flexible pipe 170.Each in first flexible pipe 165 and the second flexible pipe 170 can be connected to manifold 150, and described manifold will be distributed to flexible pipe through forced air.Manifold can be supplied by one or more compressor, and described compressor is connected to entrance 155 by one or more flexible pipe.
That is supplied by compressor can be comprised from the residual oil of compression process or oil vapour through forced air.Thus, in order to prevent road surface for clearance from making oil be deposited thereon, can through implement between pressurized air source and air knife one or more strainer with will before forced air is used for clearing up road surface from described through forced air remove oil.
Fig. 2 diagram is as the air knife 130 observed from the side of road surface cleaning system, and this figure does not have the assembly of the remainder of described system so that illustrate and understand.As illustrated, air knife 130 comprises installation bracket 210, and it is configured to air knife 130 is installed to framework (framework 110 of such as Fig. 1).Installation bracket 210 can be attached to framework by adjustable fasteners, makes air knife 130 be adjustable relative to the position of framework.Air knife 130 allows air knife 130 locating more accurately relative to road surface for clearance relative to the adjustability of the position of framework, maintain simultaneously apart from the enough distance in surface to move above the fluctuating of framework in described surface or summit time avoiding obstacles and avoid described surface of swiping.The example working depth of air knife 130 side from the teeth outwards can between about 1/2nd inches and two inches, or be preferably about one inch in some use.But, because embodiment may be used for clearing up larger fragment or for providing the air stream of higher temperature, so depend on fragment for clearance type, through the temperature of forced air and the type on just cleaned surface, air knife 130 from the teeth outwards side height greatly can be increased to about 12 inches.
Air knife 130 can define elongate aperture 220, is discharged by described elongate aperture through forced air from air knife 130.Air knife place is received at two ends 132 and 134 place through forced air.Although the example of illustrated air knife is configured to receive through forced air from the two ends of air knife, alternate embodiment can from an only end or from one or more aperture reception that the length along air knife is settled through forced air.Receiving at two ends 132,134 place of air knife through the advantage of forced air is the more consistent pressure of the air that can realize leaving elongate aperture 220.The elongate aperture 220 of illustrated example is defined by the top board 230 and base plate 235 being attached to the main body 136 of air knife 130.Although the elongate aperture of some embodiments 220 can be defined (such as in squeezing passage) by the part formed of air knife, illustrated embodiment comprises the aperture 220 of width adjustable.Securing member 240 is settled along the length of top board and can be configured to the adjustability of the width allowing elongate aperture 220.Example elongate aperture width can be about 0.005 to about 0.050 inch, or about 0.010 inch.
The elongate aperture of width adjustable may be conducive to allowing to realize more consistent flowing in the length in aperture 220.Such as, flow velocity through forced air may tend to arrive through forced air inlet place (such as closer to air knife main body 136, close to air knife end 132,134) higher, make aperture 220 width adjustment close to air knife end become narrower and more consistent flowing can be realized in the length of elongate aperture close to the aperture width of the centre of air knife is wider.In addition, the width adjustable of elongate aperture can help compensative material and manufacturing variation, air knife deflection and air knife bending.
As illustrated in fig. 2, elongate aperture points to below, towards road surface and by the direction of the movement of the illustrated framework of arrow 200.Elongate aperture can point to below, towards road surface for clearance, the flat knife sheet-like flow (that is, cutter) through forced air leaving elongate aperture is made to clash into road surface for clearance with the angle between 30 degree and 60 degree or preferably at about 45 degree in some use.
During operation, the road surface cleaning system 100 of Fig. 1 can be pulled at towing vehicle (or suspension rod as mentioned above) rear.Manifold 150 can be used for should be had through forced air, is describedly distributed to both the first flexible pipe 165 and the second flexible pipe 170 through forced air by manifold 150.Through forced air the first end 132 of air knife and the second end 134 place be received and main body 136 through being guided through air knife to be left by elongate aperture 220.
Fig. 3 diagram is as the road surface cleaning system from Fig. 1 of top view.As shown in the figure, air knife 130 is settled with the angle θ relative to direct of travel 200.Angle θ can between zero-sum 90 degree, wherein zero be parallel to direct of travel 200 and 90 degree perpendicular to direct of travel.Angle θ can aim at left as illustrated relative to direct of travel, or aims to the right.Angle θ can be adjustable and can select based on application (such as just from the type of the material of removing surface).Wherein from the example embodiment of pitch or concrete road surface removal water, angle θ preferably between about 40 degree and 70 degree, and can be more preferably about 60 degree as illustrated.
In addition, because can be heated on ambient air temperature through forced air as the result of compression, high temperature may be had to surface for clearance through forced air so enter air knife and leave.This can be of value to makes road surface become dry, because heat will promote that water evaporates.In certain embodiments, when road surface cleaning system is used for making road surface become dry, heat can be incorporated into through forced air by heater or indirectly be introduced on road surface to accelerate drying process.
The air knife 130 of the view of Fig. 4 pictorial image 3, this figure does not have framework 110 or accessory part so that diagram and understanding.As shown in the figure, air knife 130 is to arrange relative to the angle θ of direct of travel 200 about 60 degree.The air stream arrow A leaving the elongate aperture of air knife 130 represents to F.When road surface cleaning system is advanced in the direction of arrow 200, and when the air by the path along arrow A forward and when partly laterally blowing water or fragment relative to direct of travel, water or fragment are blown in the path of arrow B.When air knife advances along direct of travel 200, along the path of arrow B air by close to water or fragment and described water or fragment by by forward and laterally blow in the path of arrow C.When air knife 130 advances along direct of travel 200, this cascade (cascade) continues, until fragment or water laterally to be blown out the path of described air knife.This produces water and/or fragment scraping or " squeegee " effect in path scanning out air knife 130 on the direction of arrow 250.
As those skilled in the art understands, side water and/or fragment being directed to air knife 130 can optionally allow road surface to clear up the second time or other continuous through move up in the side of arrow 250 further water or fragment of system.Optionally, compare with triangular web illustrated in Fig. 1 and 3, a series of road surface cleaning system may be used for clearing up wider area.
Although embodiments of the invention can according to its given application bi-directional scaling, so can have about air knife how long so that the extensibility of the abundant air stream consistent along the length transmission of elongate aperture may exist restriction.In addition, the restriction on the volume being fed to the air in manifold and pressure may limit the length of the air knife that can effectively use.In example embodiment, through forced air can about one cental per square inch (psi) be fed to the air knife of Fig. 1.
Applicant have been found that in order to produce can be wider than triangular web illustrated in Fig. 1 and 3 cleaning the road surface method for cleaning in area and the method and system according to an embodiment of the invention of system.Fig. 5 diagram comprises this example embodiment of three frameworks 310 linked together.The mechanism being connected with framework allows along the joint of at least two axles and rotation, as hereafter further described.Fig. 5 describes the support bar 360 linked together in the front of framework 310 and the support bar 365 linked together at the back side of framework 310.
Illustrated embodiment describes manifold 350, and it is through arranging with each be distributed to through forced air in three air knives 330 will received at manifold 350 place.Although the embodiment of Fig. 5 illustrates three frameworks 310 with three air knives 330 be coupled, but system described herein is modular, the framework 310 of any number and air knife 330 can be bonded together with illustrated framework and the similar mode of air knife.The number of the surface cleaning system be coupled can (such as) based on need cleaning road surface width, for the width of the inlet point (such as, entering road, door etc.) of road surface or for the ability of the compressor being fed to manifold through forced air is determined.Air knife 330 can have fully to clear up surface and/or make the minimum pressure and the air of minimum volume that surface becomes dry, the maximum number of the air knife 330 ability of used compressor can being specified in can be coupled when keeping cleaning road surface and/or make road surface become dry effective.Such as, the example embodiment of Fig. 5 may need the compressed air at 100psi place and the air of about 1500 to about 4500 cubic feet per minute (cfm) may be needed to become dry fully to make the surface of width about 18 feet.
According to the embodiment of Fig. 5, the compressor being coupled to manifold 350 provides compressed air, and it is distributed to each in three air knives 330 by flexible pipe 355.Described by about the embodiment of Fig. 1 to 4, each in air knife 330 can be supplied with through forced air at the two ends of air knife.Optionally, as mentioned above, air knife can comprise the aperture of settling along its length, can be received through forced air by described aperture.
Fig. 6 illustrates the example embodiment of the Fig. 5 of three the road surface cleaning systems be coupled.Manifold 350, flexible pipe 355 and relevant coupler omit from the diagram of Fig. 6.As shown in the figure, framework 310 offsets each other along direct of travel.Described skew allows the essence of air knife 330 to aim at.The aligning of air knife 330 can improve the removing surface efficiency of the multiple air knives be bonded together, because can substantially seamlessly continue on multiple air knife about the effect described by Fig. 4.The air knife 330 of Fig. 6 is not aimed at collinearly, because be fed to supplying on the end of air knife through forced air of air knife 330.Small skew can be used between adjacent air knife 330.Comprise between air knife small also allow air knife to be arranged in limited degree overlapping to guarantee that the non-surface sweeping that there is not surface for clearance is amassed.
As shown in Fig. 6, each in framework 310 is linked together by support bar 360 at left front turning 362 place, and is linked together by support bar 365 at right back turning 367 place.Securing member for support bar 360,365 being fixed to framework can provide fixed point for the end of support bar, but allows about described fastening point pivotable.Such as, support bar 360,365 can be connected to corresponding turning 362,367 in arbitrary end by globe joint bar end securing member separately.Fig. 7 illustrates the example embodiment of this securing member 400, and described securing member can comprise the shape part 410 of ball well-defining 405, and described aperture is configured to receive the securing member such as bolt through it.Spherical part 410 is received in circle 415, and described circle is fixing spherical part 410 securely, but allows spherical part 410 to rotate in described circle 415.Securing member 400 can comprise through arranging to be received in the threaded end 420 in the end of support bar.Threaded end 420 can allow the adjustability of the total length of support bar to adapt to manufacturing tolerance or to make adjacent frame be properly spaced out each other.Optionally, globe joint bar end securing member can comprise the hole of the inner threaded of the threaded end receiving support bar, or is configured to the block handle being welded to support bar.
Referring back to Fig. 6, be similar to securing member illustrated in Fig. 7, globe joint bar end securing member can be attached at arbitrary end of each in support bar 360,365 and utilize the securing members such as bolt to be fixed to framework 310, to be received by the hole 410 of securing member and to be fixed to framework 310 at turning 362 and 367 place.Globe joint bar end securing member can allow the flexibility ratio between framework 310, but not is attached to each other with making frame rigidity.
Fig. 8 diagram is according to the detailed view of link together two adjacent frame 310 of the example embodiment of Fig. 5 and 6.The left front turning 362 of the first framework 310 is connected to the support bar 360 at the left front turning 362 of adjacent frame 310 by Fig. 8 diagram.Also illustrated is pull bar 430, and it is configured to the back side front at first framework 310 at 435 places being connected to the adjacent frame at 437 places.Pull bar 430 comprises further for the globe joint bar end at pull bar and the connection between the framework at 435 and 437 places.The combination of pull bar 430 and support bar 360,365 allows the vertical movement to a certain degree owing to connecting at the globe joint bar end securing member at 362,367,435 and 437 places relative to just cleaned surface between the framework 310 that causes.But the configuration of pull bar 430 and support bar 360,365 is also permitted framework 310 and is pivoted relative to each other.Illustrated in Fig. 9,362B, 367, the layout of 435 conllinear be connected with the securing member at 437 places or conllinear in fact allows framework 310A relative to framework 310B about axis 480 pivotable.Similarly, the layout of the conllinear of the securing member at 362A and 435 places or in fact conllinear allows framework 310A about axis 470 relative to adjacent frame 310B pivotable.
Adjacent frame 310A, 310B relative to each other keep the ability of the relative aligning of air knife 330 to allow framework to cross uneven road surface simultaneously about axle 470 and 480 pivotables, keep simultaneously air knife close proximity they through the surface of cleaning.The example embodiment of this road surface can comprise the racing track of the inclination had to the inside, such as there is the racing track of the turning of inclination, wherein inclination to the inside increases along with the distance apart from the summit of turning and increases, or on end or along the slant dilation to the inside at front or the back side.In this embodiment, the first framework (such as, framework 310B) can advance along the inclination to the inside of about 15 degree, and adjacent frame (such as, framework 310A) can be advanced along the inclination to the inside of about 13 degree.Between two frameworks, there is not engagement type connect, in the above-described embodiments, the frame facet close to (that is, close to axis 480) each other will hang from racing track.Joint between framework allows each in described framework to maintain with the contact of road surface and the road surface keeping air knife close proximity for clearance in all corners.It also may be important for following operation that this of framework engages: the road surface system of clearing up is incorporated on racing track or is caused and leaves racing track, comprises to cross to protect on platform to track and from track to maintenance road.
Framework can relative to each other can be specified by the number of degrees of the rotation allowed at globe joint bar end securing member along the number of degrees of axle 480 and 470 pivotable.In example embodiment, can between about five and ten degree about the number of degrees of axis 470 pivotable between framework, and can between about five and 20 degree about the number of degrees of axis 480 pivotable between framework.In some example embodiment, between framework, can up to about 110 degree to allow the road surface cleaning systems fold outermost framework with three frameworks, thus make area occupied not be greater than in fact single framework for storing easily and/or transporting about the number of degrees of axis 480 pivotable.In this embodiment, the securing member except globe joint bar end or except globe joint bar end can be used.
Referring back to Fig. 1, road surface cleaning system 100 can also comprise the guide wheel 180 of the side being attached to framework 110.Guide wheel can allow road surface clear up system along wall advance with as far as possible near wall to clear up fragment or water.When there is no guide wheel, if road surface cleaning system 100 moves to obtain too close wall, so may manufacture the contact of framework 110 or more between sensing assembly and wall, thus cause the possible infringement to road surface cleaning system 100.
Because clear up fragment from the road surface (such as at the safety catch cob wall of racing track) close to wall and/or water may be very important, so may expect when system 100 is advanced to keep road surface cleaning system 100 near described wall.Due to inclination to the inside, fluctuating and driver error, even if comprise guide wheel 180, also may be difficult to maintain and road surface is cleared up system 100 be held in close to wall.
In order to help the guide wheel 180 maintaining road surface cleaning system 100 to contact wall, bias force can be introduced and abut against wall to drive road surface to clear up system 100.Figure 10 diagram is used for the detailed view providing the system of bias force to road surface cleaning system 100 as shown in Figure 3.Figure 10 describes installing plate 190, and draw bar 140 is hingedly connected to described installing plate at pin joint 145 place.As mentioned above, pin joint 145 allows draw bar hinged about the axis defined between two pin joints 145.Installing plate 190 can be pivotably connected to framework 110 at pivotal point 195 place.Pivotal point 195 allows installing plate 190 relative to framework about by pivotal point 195, the axis pivotable being orthogonal in fact the plane on just cleaned surface.Biasing element is pneumatic cylinder 500 in the illustrated embodiment, can be coupled to framework and can be included in the piston 500 that installing plate 190 is coupled at 520 places.Bias force can be applied to installing plate by making piston rod 510 extend along direction arrow 530 by pneumatic cylinder.According to illustrated embodiment, at the bias force applied apart from pivotal point 195 a distance, draw bar 140 and installing plate 190 are biased in the counterclockwise direction.
The road surface cleaning system 100 of Figure 11 pictorial image 3, wherein the piston 510 of pneumatic cylinder 500 extends, thus causes draw bar 140 about pivotal point 195 relative to framework 110 pivotable.Figure 12 be shown in Fig. 3 when being pulled in towing vehicle 600 rear, 10 and 11 the example embodiment of surface cleaning system 100.As illustrated, the bias force applied by pneumatic cylinder 500 drives draw bar 140 counterclockwise, road surface is cleared up the right side that system 100 is pushed to towing vehicle 600 thus.Described bias force keeps the guide wheel 180 of road surface cleaning system 100 to contact wall 610.As shown in the figure, draw bar 140 can relative to towing vehicle pivotable, and this will be possible when using conventional ball-and-socket type draw hook.Towing vehicle 600 can be driven to closer to wall place, thus makes draw bar 140 relative to framework 110 movement clockwise, and the guide wheel 180 of road surface cleaning system 100 will maintain the contact with wall 610.This configuration can allow towing vehicle to be urged near wall place but in error range (such as up at least five feet), simultaneously keep road surface cleaning system 100 contact wall 610, guarantee thus as far as possible near wall 610 from removing surface fragment and/or water.
Referring back to Figure 10, installing plate 190 can comprise pin 197 or other pivot block can relative to the number of degrees of framework 110 pivotable to limit installing plate 190.In the illustrated embodiment, the pin 197 being attached to framework 110 engages the slit 193 of installing plate 190.The number of degrees of the pivotable of installing plate 190 are limited by the end of the slit 193 being wherein mounted with pin 197.In fact, referring back to the example embodiment of Figure 12, to installing plate 190(and therefore, draw bar 140) road surface cleaning system 100 can be limited relative to the restriction of the number of degrees of the pivotable of framework 110 and self can be urged to right side apart from towing vehicle 600 as far as relative to the degree crooked with the linear alignment of towing vehicle 600.This can stop road surface cleaning system 100 draw bar 140 to be bundled between towing vehicle 600 and road surface cleaning system 100.
Installing plate 190 can be configured to be locked in the position suitable relative to framework 110 further, so as to allow draw bar 140 with relative to a certain fixed angle of framework 110 or and towing vehicle 600 be in line and settle.This locking may be of value to the transport of road surface cleaning system, in the case, draw bar by probably through fixing with in the straight line of direct of travel being parallel to framework 110, as illustrated in figure 3.In other embodiments, draw bar 140 can a certain angle locking can travel to the edge further from surface for clearance to make towing vehicle, and wall may not exist to contact guide wheel 180 simultaneously.
For the pneumatic cylinder 500 of installing plate 190 and the biased Figure 10 of draw bar 140 be can be used for should have from the manifold 150 shown in Fig. 1 through forced air.Compressed air can be used for required adjuster, makes it possible to the pressure of the air controlled at pneumatic cylinder 500 place, controls bias force value thus.Although illustrated embodiment comprises pneumatic cylinder 500, also can use other biasing elements many, such as helical spring, deformable material (such as, rubber), clock spring etc. around pivotal point 195.Thus, illustrated pneumatic cylinder 500 is not intended to be restrictive, but only intention provides the example that can provide the biasing element realizing the necessary power of aforementioned result.
Although illustrated embodiment describes the biasing element being configured to make installing plate (and draw bar) relative to framework counterclockwise bias, embodiment can comprise the biasing element of permitting installing plate and draw bar and being biased in the clockwise direction relative to framework.Optionally, embodiment can be configured to make installing plate and draw bar upper offset both clockwise and counterclockwise, this can realize with the biasing element that multiple biasing element (such as, two air rammers) that can control independently maybe can apply bias force in the two directions.Depend on type or the towing vehicle direct of travel surfacewise on just cleaned surface, this embodiment can be of value to forces road surface system of clearing up to abut against contrary wall.
Other example embodiment can comprise alternative biasing element or the setting element except biasing element.Such as, expect wherein to have from the embodiment of the surface cleaning system of towing vehicle skew, the setting element such as electric actuator or hydraulic cylinder can be configured to make installing plate about pivotal point pivotable to be positioned at by installing plate in position fixing in fact, makes road surface system of clearing up tilt from towing vehicle thus.This electric actuator or hydraulic cylinder can be configured to be remotely controlled further, such as, are pulled operating personnel's Long-distance Control of vehicle.In this embodiment, when system is advanced along road surface, the aligning of the road surface cleaning system at towing vehicle rear can be adjusted.
According to another embodiment, road surface cleaning system can comprise modular system, and it provides functional and versatility that is other and/or that substitute.Figure 13 and 14 illustrates the first assembly of this modular system, and described assembly is the air supply module 700 comprising power source 710 and air pump 730.Power source can including (for example) motor, the four-stroke engine of such as conventional petrol power.Although illustrated embodiment describes petrol engine, other example power source can comprise Diesel engine, motor or its fellow.Power source 710 can comprise fuel supply device 720, and it is fuel tank in the illustrated embodiment; But power source is in the example embodiment of motor wherein, described fuel supply device 720 can comprise battery pack.Power source 710 is configured to be coupled to air pump 730 to drive air pump.Illustrated embodiment comprises air pump, it to be configured to during the steady state operation of power source 710 with relative lower pressure (such as, about 5 pound per square inch or 5psi) drive the air of larger volume (such as, about 3000 cubic feet per minute or 3000cfm).The operating pressure of air and volume can change according to application, and will change based on ambient conditions.Thus, volume and pressure.
According to the embodiment of illustrated Figure 13 and 14, power source 710 and air pump 730 are arranged in framework 750, and described framework is configured to supporting motive force source and air pump.The various assemblies (such as fuel supply device 720, exhaust manifold and sound absorber, radiator and cooling fan etc.) of the operation in supporting motive force source 710 also can be supported by framework 750 and be carried.Similarly, air pump entrance and wave filter can be supported by framework 750, and pipe-line system 740 also can be like this, and described pipe-line system draws airflow guiding from air pump (such as) towards the end of framework 750, side or other position.
The framework 750 of example embodiment can through setting size to hold power source 710, air pump 730 and its relevant assembly.Framework 750 can will transport in the particular vehicle of air supply module 700 to be assemblied in through setting size further.Such as, framework 750 can be configured to be assemblied in conventional pickup carriage.In this way, conventional picking-up vehicle can convert removing surface machine by receiving package to containing the removing surface modular assembly of air supply module 700.
Air supply module 700 can by being arranged in the personnel control remotely (such as transported and/or the driver's cabin of picking-up vehicle of transport air supply module) apart from air supply module 700, or by relatively controlling close to someone of air supply module.Although air supply module can according to example embodiment from any in fact position control, control by substantially by can check air supply module operation and correspondingly control it someone perform.In order to change the volume of the air produced by air pump 730, power source 710 output speed can be changed.Such as, the rotation output speed of power source 710 is larger, and the volume flowing through the air of air duct 740 produced by air pump 730 is larger.When gasoline engine power source 710, engine throttle can be controlled by electronic components such as servomotors, and described electronic component transfers to be controlled by operating personnel.Electronic component for operating engine throttle can control via wired or wireless control, such as, control via Bluetooth or other near field communication protocols.Similarly, the start and stop of power source 710 or remotely can control via wireless communication protocol or is controlled by the operating personnel of manually start and stop power source.
In order to the safety improved, the example embodiment of air supply module 700 can comprise fire extinguishing system, such as, Halon system, fire extinguishing chemical product can such as be injected on air supply module 700 or its assembly when the risk of catching fire or catching fire by it.Fire extinguishing system can manually activate, such as, press-button actuated by pressing when catching fire, or by (such as) thermostat self actuating.
Although air supply module 700 can provide the required air for surface cleaning system, air on purpose can be directed into described surface to clear up water and/or the fragment on surface.For this reason, air bootstrap module can be coupled to air supply module 700 to guide air in the mode of the water and/or fragment of clearing up surface.Figure 15 diagram comprises the example embodiment of the air bootstrap module 800 of air knife composite member 810 and air nozzle composite member 820.Air bootstrap module 800 can be coupled to the vehicle 760 transporting air supply module 700.Air bootstrap module 800 can comprise and is configured to be received in the tongue 830 in the trailer bolt structure receiver of vehicle 760.Air supply module can be connected to air nozzle composite member 820 and/or air knife composite member 810 by one or more flexible pipe 840.Air is pushed to air nozzle composite member 820 and/or air knife composite member 810 from air pump 730 by flexible pipe 840.
In the embodiment of illustrated Figure 15, flexible pipe 840 is connected to air knife composite member 810 at flange 815 place of air knife composite member.Air hose 840 can be configured with disconnect fast fixture with make air hose can quick coupling to the flange 815 of air knife composite member and/or the flange 825/ of air nozzle composite member from described flange uncoupling.When air hose 840 is connected to air knife composite member 810, air from air pump 730 is pushed to air knife and is guided to clear up surperficial 900(such as by air knife composite member, road or raceway surface) fragment and/or water, as above about Figure 12 embodiment described by.But, according to Figure 13 to the embodiment of 18, at the air using higher volumes compared with low pressure place, but not the air of lower volume can be used at higher pressure place.Air knife composite member 810 is in order to drive water away from surface and simultaneously also can from surface drive fragment in order to effectively to make surface 900 become dry.
In the embodiment of illustrated Figure 16, flexible pipe is connected to air nozzle composite member 820.Air nozzle composite member 820 comprises one or more air nozzle be arranged on relative to the predetermined At The Height of tongue piece 830.In certain embodiments, air nozzle can be fixed or adjustable relative to tongue piece.The air nozzle of air nozzle composite member 820 is configured to the air stream from air pump 730 to guide to close to surface 900 and produces the turbulent flow of air with side on surface 900.This turbulent flow of air is mobile together with the air of the high volume produced by air pump 730 to be stuck in above surface 900 with the moisture (as described above) stoping moisture laden air and produce from air knife from the moisture laden air near surface 900, and described stagnation will make drying effect slack-off.Therefore, the air nozzle of air nozzle composite member 830 is used air to be moved to the drying effect strengthening air knife close to surface 900.In fact, first time through or repeatedly can first use air knife composite member 810 to perform through surface, and after the process using air knife composite member 810 one or repeatedly through air nozzle composite member 820 can be used to clear up moisture laden air from close to described surface.
Figure 17 diagram from top view the compartment being arranged on picking-up vehicle 760 time the surface cleaning system of Figure 13 to 16.As shown in the figure, flexible pipe 840 is connected to the flange of air nozzle composite member 820 and air nozzle composite member 820 is substantially perpendicular to tongue piece 830.During dry or removing surface operate, may expect air nozzle composite member 820 and/or air knife composite member 810 are rotated relative to tongue piece 830, described tongue piece is placed in in the straight position of the direct of travel of vehicle 760.Figure 18 illustrates the air nozzle composite member 820 and air knife composite member 810 that rotate relative to tongue piece 830.Tongue piece 830 can relative to air nozzle composite member 820 pivotable, and wherein tongue piece 830 is installed to air nozzle composite member 820.In certain embodiments, pivotal point can be included in the block of the multiple fixed angles between tongue piece 830 and air nozzle composite member 820, and wherein air nozzle composite member can each setting in described angle and fixing with described angle.Alternatively, one or more hydraulic pressure or pneumatic cylinder can be attached between tongue piece 830 and air nozzle composite member 820, and can through activating with the Angulation changes realized between tongue piece and air nozzle composite member.This type of joint can manually be realized by the valve controlling to be attached to hydraulic cylinder, or alternatively, hydraulic cylinder valve can be remotely controlled, such as, by the Serve Motor Control under long-range (such as, wireless) control.
Optionally, embodiment can comprise the mechanism making air knife composite member 810 biased along the direction substantially parallel to the axis defined by air knife further.Figure 19 diagram is as being attached at the example embodiment of this biasing mechanism between air nozzle composite member 820 and air knife composite member 810.For the ease of understanding and simplicity of illustration, omit flexible pipe.As illustrated, air knife composite member 810 can utilize pillar 870 to be attached to air nozzle composite member 820.Pillar 870 can be can about being orthogonal in fact surperficial axis pivotable on two ends, and vehicle and system are just advanced on said surface.That is, air knife composite member or can to move relative to air nozzle composite member 820 on the direction of arrow 920 on the contrary with the direction of arrow 920.The side that the end of pillar 870 can allow air knife composite member to be substantially orthogonal to surface further moves up, and system is just movement on said surface, that is, fluctuating surfacewise moves up and down.
According to some embodiments, hydraulic pressure or pneumatic cylinder 880 and 890 can be attached between sub-pillar 870 and air nozzle composite member 820.Hydraulic pressure or pneumatic cylinder can make air knife composite member 810 on the direction of arrow 920 or to be biased relative to air nozzle composite member 820 on the contrary with the direction of arrow 920.Such as, if hydraulic pressure or pneumatic cylinder 880 are retracted and hydraulic pressure or pneumatic cylinder 890 stretch, so air knife composite member 810 is at the direction upper offset of arrow 920.This layout can allow around track, when driving, air knife composite member 810 to be biased at air knife composite member 810 and contact with wall (such as, the retaining wall of racing track).Air knife composite member 810 can comprise wheel 910, make wheel can contact the retaining wall of track and advance along described retaining wall, as long as and within the scope of the pre-defined of retaining wall, drive vehicle 760, so the wheel 910 of air knife composite member 810 just can maintain the contact with retaining wall." the pre-defined scope " of the wall that vehicle can within it travel distance that can be air knife composite member 810 advance along the direction of arrow 920, and can be the multiple of the length of stroke of strut lengths 870 and cylinder 880,890.Bias levels except the biased direction of air knife composite member 810 can be controlled by the manual of countercylinder 880,890 or Long-distance Control.Each in cylinder can by Valve controlling, and described valve can be remotely controlled, such as, by wireless near field communication protocol integrated test system.
Figure 20 graphically depicts the zoomed-in view of the air knife composite member 810 of the modular nature of air knife composite member 810 self.Air knife composite member 810 can comprise some air knives 930, its have separately possibility not from the different air chamber of adjacent air knife UNICOM.Each air knife main body 930 can comprise air inlet port 940, and air can be directed to described air inlet port from air pump 730.Air hose 840 can comprise accessory, such as Y shape accessory 960, and the air stream from air pump 730 is separated to each in the air inlet port 940 of each in air knife by demand.Each in air knife main body 930 hingedly can be attached to each other with hinge 950, and described hinge by the structure end plate connection of each in air knife together.The structure end plate of each air knife surrounds the end of air knife main body, thus produces cavity wherein for air stream, also provides the structure member of caster or the wheel that it can be attached with to allow air knife translation and joint on surface for clearance simultaneously.In addition, hinge 950 may be used for air knife to link together producing by cleaning surface widely with longer air knife composite member 810.Hinge can to allow between air knife usually only movement in a single direction, about the axis pivotable of main body 930 being substantially perpendicular to air knife on hinge, thus allow air knife composite member 810 to engage to adapt to curved surface, the inclination to the inside of such as racing track.In addition, these hinges can be the stripping type hinges allowing air knife easily separated from one another.
As mentioned above, each air knife 930 of air knife composite member 810 can easily be dismantled from air knife composite member 810, makes each air knife 930 (such as) can remove and be installed to described framework from the framework 750 of air supply module 700.This can allow the vehicles drive required component transporting air supply module 700 to be expanded to by air knife and required the same length.This embodiment can also make system can be transported by single car, and described single car can through narrower door and space relatively closely.
Although illustrated embodiment is depicted as the framework 750 having and be arranged in the compartment of picking-up vehicle, but embodiments of the invention can also be configured to be installed to trailer, make air supply module 700 be arranged on trailer, described trailer has the air nozzle composite member 820 and air knife composite member 810 that extend from the back side of trailer.In this way, removing surface machine may be embodied as trailer, and described trailer can be pulled in can any rear view of vehicle of weight of traction surface descaling machine.Because removing surface machine is self-contained (that is, not needing external impetus), so towing vehicle can easily be attached to removing surface machine and pull removing surface machine trailer above surface for clearance.
Have benefited from aforementioned description and be associated graphic in the teaching that presents, the technician in these fields involved by invention is by expecting set forth of the present invention various further feature herein, to amendment of the present invention and other embodiments of the invention.Such as, although example discussed herein is usually relevant with mobile printer, but be understood by those skilled in the art that, the printers of other type such as the printer of desktop or less movement and the device of other type can have benefited from discussed embodiment herein.Therefore, should be understood that the present invention and be not intended to be limited to disclosed specific embodiment, and amendment and other embodiment are included in herein by intention.Although have employed concrete term herein, described term only uses in a generic and descriptive sense, and is not used in restriction object.
Claims (15)
1., for clearing up the system on surface, described system comprises:
Air knife composite member, it comprises:
Air knife, it comprises the elongate aperture extended along line;
Framework, it is configured to described air knife to be supported in the position substantially parallel to the plane by described delimited; And
Be coupled to the draw bar of described framework, wherein said draw bar can relative to described framework along the axis pivotable be orthogonal to by the described plane of described delimited.
2. system according to claim 1, wherein said draw bar comprises installing plate, and wherein said installing plate is pivotally mounted to described framework, wherein said installing plate can in a first pivoting direction about the described axis pivotable be orthogonal to by the described plane of described delimited, and can about the described axis pivotable be orthogonal to by the described plane of described delimited in second pivotal orientation contrary with described first pivotal orientation.
3. system according to claim 1 and 2, it comprises bias component further, and it is configured to make described draw bar in a first pivoting direction about the described axis bias be orthogonal to by the described plane of described delimited.
4. the system according to any one of claim 1,2 or 3, the number of degrees of the pivotable wherein between described draw bar and described framework limit by pivot block.
5. the system according to any one of claim 1 to 4, the number of degrees of the pivotable wherein between described draw bar and described framework are about between zero degree and the described direct of travel 45 degree relative to described system at the direct of travel relative to described system.
6. the system according to any one of claim 1 to 5, the air wherein leaving described elongate aperture relative to the angle of incidence of the described plane by described delimited between 30 degree and 60 (60) degree.
7. the system according to any one of claim 1 to 6, the air wherein leaving described elongate aperture is about 45 (45) degree relative to the described angle of incidence of the described plane by described delimited.
8. the system according to any one of claim 1 to 7, it comprises the guide wheel being attached to described framework further, and wherein said guide wheel has the rotation be orthogonal to by the described plane of described delimited.
9. the system according to any one of claim 1 to 8, it comprises further:
Be attached to the manifold of described framework;
The first flexible pipe of the first end of described air knife is extended to from described manifold; And
The second flexible pipe of the second end of described air knife is extended to from described manifold.
10. the system according to any one of claim 1 to 9, wherein said framework is the first framework and described air knife is the first air knife, and described air knife composite member comprises further:
Second air knife, it comprises the elongate aperture extended along line; And
Second framework, it is configured to described air knife to be supported in the position substantially parallel to the described plane by described delimited,
Wherein said second framework is attached to described first framework pivotly.
11. systems according to claim 10, wherein said second framework can relative to described first framework about first axle and about the second axis pivotable, wherein said first axle is vertical with described second axis, and wherein said first axle and described second axis are parallel to separately by the described plane of described delimited.
12. systems according to claim 10 or 11, the direct of travel of wherein said first framework and the direct of travel of described second framework remain fixing and are parallel to each other.
13. systems according to claim 10,11 or 12, it comprises further:
Be attached to the manifold of the one in described first framework or described second framework;
The first flexible pipe of the first end of described first air knife is extended to from described manifold;
The second flexible pipe of the second end of described first air knife is extended to from described manifold;
The 3rd flexible pipe of the first end of described second air knife is extended to from described manifold; And
The 4th flexible pipe of the second end of described second air knife is extended to from described manifold.
14. systems according to any one of claim 1 to 13, it comprises air supply module further, wherein said air supply module comprises power source and air pump, and wherein said air supply module is configured to removable mode and is received in the compartment of truck.
15. systems according to any one of claim 1 to 13, it comprises air supply module and air nozzle composite member further, is wherein configured between described air knife composite member and described air nozzle composite member directed interchangeably by the air of described air supply module supply.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/757,114 US9388542B2 (en) | 2013-02-01 | 2013-02-01 | Apparatuses, systems, and methods for clearing a surface using pressurized air |
| US13/757,114 | 2013-02-01 | ||
| US201461923286P | 2014-01-03 | 2014-01-03 | |
| US61/923,286 | 2014-01-03 | ||
| PCT/US2014/012941 WO2014120571A1 (en) | 2013-02-01 | 2014-01-24 | Apparatuses, systems, and methods for clearing a surface using air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105121745A true CN105121745A (en) | 2015-12-02 |
| CN105121745B CN105121745B (en) | 2018-01-12 |
Family
ID=50159513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480007152.2A Active CN105121745B (en) | 2013-02-01 | 2014-01-24 | Use the equipment, system and method on air cleaning surface |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2951351B1 (en) |
| CN (1) | CN105121745B (en) |
| CA (1) | CA2899416C (en) |
| MX (1) | MX2015009831A (en) |
| WO (1) | WO2014120571A1 (en) |
Cited By (2)
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| CN106120621A (en) * | 2016-06-30 | 2016-11-16 | 厦门纵横通电动车有限公司 | A kind of refuse sweeping mechanism and refuse cleaner |
| CN110029614A (en) * | 2019-05-16 | 2019-07-19 | 路直 | The suspended hood cleaned for expressway |
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| FR2590290A3 (en) * | 1985-05-15 | 1987-05-22 | Carree Francis | Machine for cleaning roads |
| DE3914348A1 (en) * | 1988-05-03 | 1990-10-31 | Koch Christian | Method of drying or thawing open air surfaces - involves forward mounted mobile air mixer with heater and blower to blow warm air on to surface |
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2014
- 2014-01-24 CN CN201480007152.2A patent/CN105121745B/en active Active
- 2014-01-24 WO PCT/US2014/012941 patent/WO2014120571A1/en active Application Filing
- 2014-01-24 CA CA2899416A patent/CA2899416C/en active Active
- 2014-01-24 EP EP14706360.6A patent/EP2951351B1/en active Active
- 2014-01-24 MX MX2015009831A patent/MX2015009831A/en unknown
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| US6260231B1 (en) * | 1999-02-19 | 2001-07-17 | Speedline Technologies, Inc. | Air knife drying system |
| CN201398265Y (en) * | 2009-02-10 | 2010-02-03 | 深圳市深南电路有限公司 | Air knife regulating device |
| CN201421244Y (en) * | 2009-03-27 | 2010-03-10 | 东莞市宏德电子设备有限公司 | Integral frame-type drying air knife |
| CN201826279U (en) * | 2010-03-04 | 2011-05-11 | 赵彦杰 | Novel snow removing vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106120621A (en) * | 2016-06-30 | 2016-11-16 | 厦门纵横通电动车有限公司 | A kind of refuse sweeping mechanism and refuse cleaner |
| CN106120621B (en) * | 2016-06-30 | 2018-08-07 | 厦门纵横通电动车有限公司 | A kind of refuse sweeping mechanism and refuse cleaner |
| CN110029614A (en) * | 2019-05-16 | 2019-07-19 | 路直 | The suspended hood cleaned for expressway |
| CN110029614B (en) * | 2019-05-16 | 2024-01-16 | 路直 | Suction hood for cleaning expressway |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2899416C (en) | 2017-09-26 |
| EP2951351A1 (en) | 2015-12-09 |
| MX2015009831A (en) | 2016-06-07 |
| EP2951351B1 (en) | 2019-04-17 |
| CN105121745B (en) | 2018-01-12 |
| CA2899416A1 (en) | 2014-08-07 |
| WO2014120571A1 (en) | 2014-08-07 |
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Address after: Florida, USA Patentee after: National sports automobile competition association limited liability company Address before: Florida, USA Patentee before: National Sports Motorsport Association |