• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    ENERGY ABSORPTION MATERIAL AND METHOD TO STOP THE MOVEMENT OF AN AIRCRAFT. The present invention relates to materials (14) and structures (10) for energy absorption. The materials (14) and structures (10) are well suited to deter planes and other vehicles, although their effects need not be so limited. Packaging and other solutions for maintaining system integrity are also detailed, especially (but not exclusively) when foam glass or other aggregate is used.
    公开号:BR112015004846B1
    申请号:R112015004846-3
    申请日:2013-07-29
    公开日:2022-02-01
    发明作者:Silvia C. Valentini；Youhong Li；Shawn Patrick Doherty
    申请人:Runway Safe IPR AB；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [001] The present invention relates to aggregates, materials and other structures, and more particularly, but not necessarily exclusively, to vehicle restraint systems in which aggregates, materials or other structures are used to absorb the energy to stop the vehicle. BACKGROUND OF THE INVENTION
    [002] The U.S. Patent Common Property No. 7,597,502 to Allen, et al. (the "Allen patent"), describes the use of compressible material such as ceramic or phenolic foam or cellular concrete to aid in vehicle arrest. The compressible material may, if desired, be formed into blocks or beds of specific compression gradient force. Fabric, film, or other casings may surround at least parts of the blocks, with "[a] basic function [of casings] to assist in maintaining the structural integrity" of blocks "in non-emergence conditions, while only being subjected to rupture, breakage or other partial or total disintegration during a detention incident." See Allen Patent, col. 4, 11, 43-48.
    [003] The publication of the U.S. No. 2012/0057931 to Narmo (the "Narmo application") similarly describes the use of expanded glass aggregate for vehicle detention. The systems in Narmo's order include the foam-glass aggregate-filled beds as well as "top cover(s)". As defined in the Narmo application, a "top cover" comprises "any cover..." which will prevent the total mass from being contaminated or filled with airborne particles, without prejudice to plant growth, or subjected to other environmental impacts that interfere with the performance of the foamed glass aggregate mass. "See Narmo's request, p. 2, col. 2, page 0028.
    [004] Document US8021074 (Valentini Silvia C and others) refers to aircraft retention beds constructed of cellular concrete at the ends of runways, may be subject to harmful effects of reactor blowing phenomena. A block of compressible material, such as cellular, provides compression failure characteristics suitable for halting motion on aircraft traveling past a runway.
    [005] Document US2012/057931 (Jon A) refers to motion arrest beds for the deceleration of vehicles, especially passenger aircraft, unable to stop on an available runway, including a motion arrest system. The vehicle motion detection system also includes a bed filled with foamed glass aggregate with particle sizes ranging from 0.25 cm to 15 cm and nominal void fractions of about 70 to 98% and top cover that covers the surface. top of the foamed glass aggregate bed.
    [006] Document US2004/058095 (Carr Patrick J et al.) refers to a method for installing an aesthetically pleasing artificial turf that repels birds and other animals and a subsurface that supports the weight of an aircraft, improves runoff and allows airport vehicle accessibility to all parts of a runway. The subsurface is also adaptable to be a motion arresting bed that slows down the movement of an airplane on the runway.
    [007] Barsotti Matthew A and others in "Developing Improved Civil Aircraft Arresting Systems" provide a report on the development of improved civil aircraft motion detection systems. SUMMARY OF THE INVENTION
    [008] It is unclear whether any "top coverage" of Narmo's order will be satisfactory to maintain the structural integrity of its corresponding aggregate bed. The present invention thus provides partial or complete "packing" and other solutions to maintain the integrity of the bed, especially (but not exclusively) when glass or other aggregate is used. As a non-limiting example, moldable bags may contain aggregated particles, with the bags being capable of being mounted on a bed. Alternatively, the particles may be embedded in an adhesive or other binder, encased in a box, or anchored to a roof, ceiling, or other structure.
    [009] At least one version of the invention may include geotextile coverings and anchors that generally extend vertically. In this embodiment, the foamed glass particles or other material can form a bed covered in whole or in part by a geotextile covering, in the form of a mesh or a net, for example. Vertical rods or other structures can serve as anchors, which connect the cover to the bed base or other suitable location. Such anchors may be made of deformable or breakable material so as not to unduly impede vehicle arrests.
    [0010] In other versions of the invention, at least some of the particles can be positioned inside boxes or bags (whether moldable or not). If bags are adhered or attached to covers and bed bases, the bags themselves can help anchor the covers instead of, or in addition to, rods or other structures. Preferred bags can be formed from open mesh, brittle material, although other types of materials can be used.
    [0011] Packed or not, aggregates can be placed inside cubicles or other structures that have floors and, if desired, vertical walls. In at least some embodiments of the inventions, the top edges of walls can be bent to create flanges for easier attachment to covers. Such a structure reoriented one hundred and eighty degrees (ie positioned upside down) can have its flanges attached to the bases. In some cases, the aggregate can be adhered to cubicle floors or other structures.
    [0012] Alternatively or additionally, the loose aggregate can be mixed with adhesives or binders to form bricks or other integrated units. Such adhesives are preferably non-cementitious, preferred binders present include chemically bonded phosphate ceramics (CBPC), asphalt, or polymer blends (e.g. epoxy) with filler components such as fly ash, slag, glass ground, etc. Unit sizes and shapes can be changed as needed for satisfactory installation; units may be stacked as part of a bed with or without space between them, and adjacent units may, but need not, be joined or bonded together. They can also optionally be positioned inside cubicles or other structures and adhered to their floors.
    [0013] In addition, any mixing of loose aggregate and binders may occur in situ if appropriate. This type of "cast in place" technique can accelerate bed formation, with mixing taking place on site and the mixture being immediately poured (such as slurry) into beds. After that, she can set or heal in beds. Molding can take place in one or more layers, with or without fabric or other separators between the layers.
    [0014] Alternative deformable materials may include other types of open cell or closed cell ceramics rather than foam glass. If necessary, structures including open-cell ceramics can, for example, be coated or otherwise covered with a water-impermeable (or water-resistant) material. Such a coating may itself be non-porous ceramic; alternatively, other coatings or coverings may be used. However, other deformable material may be or include aerated autoclaved concrete (AAC), phosphate-bound cellular composite, activated alkali cellular fly ash, or cellular polymers.
    [0015] Solar powered or other heating systems that include heating elements, channels, conduits, or vents may be included in or adjacent to beds in certain cold climates. For airports without reactor service (thus, the beds are not subjected to reactor blowing), loose or bagged aggregate or other material can be used either without any covering or with net or low strength linings. Alternatively, the aggregate or other material may be covered by asphalt, essentially as a continuation of the track, although with the asphalt being of sufficiently low strength to assist in effectively stopping the vehicle as needed. Beds may be self-draining or include drainage piping or tunnels and may include expansion joints if necessary.
    [0016] Therefore, it is an optional and not exclusive object of the present invention to provide the energy absorbing materials and structures.
    [0017] It is another optional and non-exclusive objective of the present invention to provide the materials and structures to carry out the vehicle detention.
    [0018] It is also an optional and non-exclusive objective of the present invention to provide "packaging" and other solutions for maintaining the integrity of the bed when the aggregate is used as an energy absorbing material.
    [0019] It is an optional and non-exclusive additional object of the present invention to provide techniques for molding energy absorbing materials in place.
    [0020] It is, furthermore, an optional, non-exclusive object of the present invention to provide supports, cubicles, or other structures for energy-absorbing materials.
    [0021] Other objects, features and advantages of the present invention will be apparent to those skilled in the relevant art with reference to the remaining text and drawings of this application. BRIEF DESCRIPTION OF THE DRAWINGS
    [0022] FIGURE 1 is a representation of an example schematic bed of the present invention;
    [0023] FIGURE 2 is a representation of an example schematic bed of the present invention;
    [0024] FIGURE 3 is a prototype of example components of a bed of the present invention;
    [0025] FIGURE 3A is a perspective view of example components of a bed similar to FIGURE 3;
    [0026] FIGURE 3B is a cross-sectional view of the bed components FIGURE 3a;
    [0027] FIGURE 4 is a prototype of example components of a bed of the present invention;
    [0028] FIGURE 4A is a cross-sectional view of bed components similar to FIGURE 4;
    [0029] FIGURE 5 is a schematic representation of example components of a bed of the present invention;
    [0030] FIGURE 6 represents an example of loose material adhered with or to a binder or support to form a unit;
    [0031] FIGURE 6A provides another representation similar to FIGURE 6;
    [0032] FIGURE 7 represents an example loose material adhered with a binder and positioned inside a cubicle;
    [0033] FIGURE 7A provides another representation similar to FIGURE 7;
    [0034] FIGURES 8A to B are schematic representations of a unit that includes (only) a top cover or skin (FIGURE 8A) or both top and side covers or skins (FIGURE 8B);
    [0035] FIGURE 9 is a schematic representation of a third exemplary bed of the present invention;
    [0036] FIGURES 10A-B are schematic top (FIGURE 10A) and plan (FIGURE 10B) views of an example bed of the present invention;
    [0037] FIGURES 11A-B and 12-13 are schematic views of example techniques for casting materials in place;
    [0038] FIGURES 14A-C are schematic views of example components of a bed of the present invention. DETAILED DESCRIPTION
    [0039] FIGURE 1 schematically illustrates an example bed 10 of the present invention. Bed 10, and any other bed mentioned herein, may extend above the grade or below the grade, or both above and below the grade as desired. Shown in FIGURE 1 is the grade or surface S, with at least a portion of the bed 10 extending above the surface S. If the bed 10 is designed (at least primarily) to detain fixed-wing aircraft, the surface S may advantageously be a traffic lane or taxiway.
    [0040] The bed 10 can contain at least the deformable material 14, the roof or cover 18, and the anchors 22. The material 14 can be or comprise the aggregate in the form of foamed glass particles, as requested by Narmo. Alternatively or additionally, the material 14 may be or comprise other permanently or temporarily deformable materials. Material 14 beneficially does not sustain fire, consistent with US Federal Aviation Administration guidelines.
    [0041] Missing cover 18, at least some material 14 deformation of bed 10 may be exposed to reactor blast, wind, or other conditions that may cause material 14 to scatter. Therefore, cover 18 may serve to confine the material 14 existing at or above the grade. The cover 18 is beneficially deformable when subjected to the weight of a vehicle to be stopped; a presently preferred, but not exclusive, form of cover 18 may be a geotextile, such as a plastic net whose mesh is smaller than most of any loose particles that form the material 14.
    [0042] One or more anchors 22 may serve to secure the cover 18 in a position relative to the material 14. The anchors 22 may attach or adhere to the cover 18 and extend generally vertically through the bed 10 to the floor or another bed support base 10, securing the cover 18 to the base. As depicted in FIGURES 14A-C, the possible anchors 22 may comprise lengths of plastic tube 26 and optional quick-release or detachable connectors 30 and discs 34. Tube 26 preferably deforms when subjected to the weight of a moving vehicle. be detained so as not to impede detention, while the disks 34, if present, can help to stabilize the anchors 22 which move within the array due to vibrations or other forces.
    [0043] Illustrated in FIGURE 2 is an alternative bed 100 of the present invention. Similar to bed 10, bed 100 can include material 14 and cover 18. It can also include anchors 22, if desired. Unlike bed 10, however, bed 100 may include bags 38, boxes, or other containers of material 14, instead of, or in addition to, loose aggregate. Containment of material 14 in this way should reduce slippage or other unwanted movement of material 14. In addition, bags 38 extend from bed base 100 to cover 18, as shown in FIGURE 2, and may be adhered or attached. to the base and cover 18 as additional or alternative anchors. While FIGURE 2 illustrates each bag 38 as extending at the height of the bed 100, multiple smaller bags 38 may be linked together to extend at that height instead.
    [0044] FIGURE 3 details a prototype of an example support structure 42 for material 14. The structure may include base 46 and vertical walls 50, the latter of which intersect to form cubicle 54. The loose aggregate of material 14 can be positioned within cubicles 54 to further reduce the opportunity for material 14 to move within a bed in an undesirable manner. In addition, walls 50 may include flanges 58 to facilitate attachment to cover 18. FIGURE 4 illustrates a similar structure 42', in which material 14 is contained within a bag 38 and a cubicle 54, the combination of which reduces further the undesired movement of material 14 within a bed.
    [0045] Material 14 may comprise a mixture of, for example, aggregate and solidified binder to form an integrated brick, block or unit 62. Alternatively, material 14 may be glued or otherwise adhered to base material 66 to form an integrated unit 62' (see FIGURE 6). In any event, the units 62 (or 62') may be stacked as part of a bed, with or without gaps between the individual units 62 (or 62'). FIGURE 5 shows 62 units stacked with gaps. Although two rows of units 62 are illustrated, more or less can be included in one bed. Likewise, although several units 62 of uniform size and shape are depicted in FIGURE 5, the size or shape (or both) of an individual unit 62 may differ from that or those adjacent or nearby units 62. Units 62 may also be adhered or joined together at points of contact, although such adhesion or attachment is not mandatory.
    [0046] In one version of the unit 62' of FIGURE 6, the material 14 is preferably foam glass, while the base material 66 is preferably asphalt. Of course, those skilled in the art will recognize that other materials may be used instead. As even units 62 and 62' can be further confined to maintain bed integrity, FIGURE 7 shows example units 62 within cubicles 54 of support structure 42'.
    [0047] Units 62 or 62' can be coated on any or all top, side, or bottom surfaces to enhance various features (see FIGURES 8A-B). In particular, waterproofing coatings may beneficially be added to units 62 or 62'. Such coatings may be ceramic, plastics, or otherwise, as appropriate. Alternatively, sheets of such materials may be adhered or bonded to the units. Indeed, the foam itself (although preferably of higher density) of glass can be used as a ceramic or foil coating.
    [0048] FIGURE 9 illustrates yet another bed 200 devoid of any covering 18. Instead, the bed 200 may be formed by spreading asphalt over the surface S and the adherent material 14 or containers thereof, such as bags 38 along the asphalt. Although cover 18 is not required in conjunction with bed 200, it can still be present if desired.
    [0049] FIGURES 10A-B schematically represent the bed 300. In addition to the material 14, the bed 300 can include the elements or components for its heating. These elements or components can be especially beneficial when bed 300 is installed in colder climates, as extreme temperatures could conceivably affect the performance characteristics of bed 300.
    [0050] Any type of heating can be used in bed300. FIGURE 10A-B, however, illustrates an example technique for non-electrical heating of bed 300. Consistent with this technique, one or more apertured tubes 70 may be installed in a base to communicate with an air source 74 forced hot. As the forced hot air moves through the pipes, it heats the bed 300 from the bottom up (as the hot air leaving the vents rises). The accumulated snow and ice melted by the warm air can then move downward and out of the bed area 300 upon proper slope of the surrounding terrain. If material 14 is not sealed, hot air may escape from bed 300 through cracks or gaps in material 14. In contrast, if material 14 is sealed, an outlet may need to be created for the hot air.
    [0051] Rather than bagging, crate, or other form of containment material 14 prior to formation of a bed, material 14 may be melted in place in some cases. FIGURES 11A-B and 1213 schematically illustrate some methods of casting in place, with slurries of material 14 being poured or sprayed into a bed, for example. In any of these methods, the material 14 can be fixed within a monolithic structure, or formed in multiple layers, or formed in multiple blocks, or otherwise formed, with or without fibers, fabrics or other materials or substances interspersed therein.
    [0052] The foregoing is provided for purposes of illustrating, explaining and describing embodiments of the present invention. Other modifications and adaptations to these embodiments will be apparent to those skilled in the art and may be made without departing from the scope of the invention. Indeed, several revisions can be made to the arrangements indicated in the present application consistent with the concepts of stabilizing materials used as part of vehicle restraint systems. Any direction and relative positioning terms (eg top, bottom, up, etc.) are used to identify nominal or preferred rather than absolute relationships of components and can be modified as appropriate. Finally, the contents of the Allen patent and the Narmo application are incorporated herein in their entirety by reference.
    权利要求:
    Claims (11)
    [0001]
    1. Energy absorbing material (14) for stopping the motion of an aircraft traveling along a runway surface, comprising: a. the structured aggregate (10) loosened so as to deform in order to absorb the energy; and b. means for stabilizing the location of the aggregate (10) so as to form a bed (100, 200, 300); characterized in that the loose aggregate (10) is covered by said stabilizing means comprising a mesh whose mesh is smaller than that most of any loose particles forming the loose aggregate (10) and wherein one or more anchors (22) serve to secure the net in position relative to the loose aggregate (10).
    [0002]
    2. Energy absorbing material (14) according to claim 1, characterized in that the loose aggregate (10) is selected from one of the most among the group consisting of open cell foam glass , closed cell foam glass, ceramics, phosphate bonded cellular composite, activated alkaline cellular fly ash, cellular geopolymers, and aerated autoclaved concrete.
    [0003]
    3. Energy absorbing material (14), according to claim 1 or 2, characterized in that each of the anchors (22) is made of breakable or deformable material so as not to unduly prevent the detention of the vehicle.
    [0004]
    4. Energy absorbing material (14), according to any one of claims 1 to 3, characterized in that the network is formed of plastic material.
    [0005]
    5. Energy absorbing material (14) according to any one of claims 1 to 4, characterized in that at least one anchor (22) comprises a plastic tube (26).
    [0006]
    6. Energy absorbing material (14), according to any one of claims 1 to 5, characterized in that each of the anchors (22) comprises quick release or separation connectors.
    [0007]
    7. Energy absorbing material (14), according to any one of claims 1 to 6, characterized in that the one or more anchors (22) extend, in general, vertically through the bed (100, 200, 300).
    [0008]
    8. Energy absorbing material (14) according to any one of claims 1 to 7, characterized in that the stabilizing means additionally comprise a bag or box or walls containing the loose aggregate (10).
    [0009]
    9. Energy absorbing material (14), according to all claims 1 to 8, characterized in that it also comprises the means for heating the loose aggregate (10).
    [0010]
    10. Energy absorbing material (14), according to claim 9, characterized in that the heating medium comprises forced hot air.
    [0011]
    11. Method for stopping the motion of an aircraft, comprising: a. providing the loose structured aggregate (10) to deform so as to absorb energy and thereby effect the detention of the aircraft; and b. providing the means for stabilizing the location of the loose aggregate so as to form a bed (100, 200, 300); characterized in that the loose aggregate (10) is covered by said stabilizing means comprising a net whose mesh is smaller than that most of any loose particles forming the loose aggregate (10) and wherein one or more anchors (22) serve to secure the net in position relative to the loose aggregate (10).
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-03-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-05-12| B25A| Requested transfer of rights approved|Owner name: RUNWAY SAFE IPR AB (SE) |
    2021-10-05| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    2021-11-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2022-01-18| B09W| Correction of the decision to grant [chapter 9.1.4 patent gazette]|Free format text: RETIFICACAO DO PARECER DE DEFERIMENTO PUBLICADO NA RPI2653. |
    2022-02-01| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/07/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/604,787|US9802717B2|2012-09-06|2012-09-06|Stabilized aggregates and other materials and structures for energy absorption|
    US13/604,787|2012-09-06|
    PCT/US2013/052445|WO2014039179A1|2012-09-06|2013-07-29|Stabilized aggregates and other materials and structures for purposes including, but not limited to, energy absorption|
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