WO2011053399A2 - Dispositif et procédé pour combattre les projectiles à haute énergie - Google Patents

Dispositif et procédé pour combattre les projectiles à haute énergie Download PDF

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Publication number
WO2011053399A2
WO2011053399A2 PCT/US2010/044092 US2010044092W WO2011053399A2 WO 2011053399 A2 WO2011053399 A2 WO 2011053399A2 US 2010044092 W US2010044092 W US 2010044092W WO 2011053399 A2 WO2011053399 A2 WO 2011053399A2
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sheet
armor
leading
low density
Prior art date
Application number
PCT/US2010/044092
Other languages
English (en)
Other versions
WO2011053399A3 (fr
Inventor
Vernon P. Joynt
Robert A. Cole
Thomas E. Borders
Gregory W. Engleman
Original Assignee
Force Protection Technologies, Inc.
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 Force Protection Technologies, Inc. filed Critical Force Protection Technologies, Inc.
Priority to GB1202520.1A priority Critical patent/GB2484450A/en
Priority to AU2010313732A priority patent/AU2010313732A1/en
Priority to CA2768944A priority patent/CA2768944A1/fr
Publication of WO2011053399A2 publication Critical patent/WO2011053399A2/fr
Publication of WO2011053399A3 publication Critical patent/WO2011053399A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics

Definitions

  • the present disclosure relates to an armor system that resists penetration by projectiles.
  • the penetration performance for the three mentioned types of warheads is normally described as the ability to penetrate a solid amount of RHA (Rolled Homogeneous Armor) steel armor. Performances typical for the weapon types are: HC warheads may penetrate 1 to 3 ft thickness of RHA; EFP warheads may penetrate 1 to 6 inches of RHA; and Hybrids warheads may penetrate 2 to 12 inches thick RHA. These estimates are based on the warheads weighing less than 15 lbs and being fired at their respective optimal stand off distances. The diameter of the holes made through the first inch of RHA would be: HC up to an inch diameter hole; EFP up to a 9 inch diameter hole; and Hybrids somewhere in between.
  • Armor solutions that offer a weight advantage against these types of weapons can be measured in how much weight of RHA it saves when compared with the RHA needed to stop a particular weapon penetrating.
  • This advantage can be calculated as a protection ratio, the ratio being equal to the weight of RHA required to stop the weapon penetrating, divided by the weight of the proposed armor system that will stop the same weapon.
  • Such weights are calculated per unit frontal area presented in the direction of the anticipated trajectory of the weapon.
  • FIG. 5 is a schematic, cross-sectional view of a first exemplary disclosed vehicle using the armor system of Fig. 1 ;
  • Fig. 1 illustrates an exemplary disclosed armor system 10 for protecting a vehicle 11 (shown in Fig. 5) from projectiles such as, for example, HC, EFP, and Hybrid warheads.
  • projectiles such as, for example, HC, EFP, and Hybrid warheads.
  • the projectile has an expected trajectory 12 relative to vehicle 11.
  • Trajectory 12 establishes a direction for understanding certain terms used in the following discussion (e.g., "leading,” “rear,” “behind,” “front,” etc.) for describing the components of armor system 10 that the projectile successively confronts as it approaches a vehicle hull 28.
  • Armor system 10 may include an exterior armor subsystem 16 and an interior armor subsystem (not shown). Exterior armor subsystem 16 may be configured to reduce the speed of high energy projectiles, i.e. speeds of over 2500 m/s, to the speed of traditional projectiles, i.e. speeds under 1000 m/s, before the projectile contacts the conventional armor of vehicle 11. In order to reduce the speed of the projectile, exterior armor subsystem 16 may include a series of layered materials, where the outermost layer is a relatively lower density material and the innermost layer is a relatively higher density material. In this manner, exterior armor subsystem 16 may include a leading sheet-like layer 20. Layer 20 may include a material of a density that is lower than metal.
  • Leading layer 20 may include a low density material having a density greater than air, but lower than metal such as, for example, a foam material.
  • layer 20 may include a low density polypropylene composite material.
  • layer 20 may include Tegris®, available from Milliken & Company, 920 Milliken Road, P.O. Box 1926, Spartansburg, South Carolina 29303 USA. It is also contemplated that layer 20 may include materials selected from one or more low density materials such as, for example, Kevlar® reinforced polymer or plastics, polyethylene composites, and hybrid materials formed from one of these alternative low density materials.
  • intermediate layer 26 may be a similar material as layer 20 described above. Further, layer 26 may include a combination of the metal material described above as well as a similar low density material as layer 20.
  • Dispersion space 24 may have a width, for example, of between about 1" and about 6", allowing dispersion space 24 to transversely distribute significant amounts of kinetic energy, without resulting in an impractical overall thickness of armor system 10. Thus, dispersion space 24 may effectively lower the kinetic energy per surface area that is imparted to the successive layer.
  • layer 20 and/or layer 22 may be oriented at an oblique angle relative to the expected trajectory. It is also contemplated that the layers of exterior armor subsystem 16 may increase in density in the direction of trajectory 12. This arrangement, which stacks low-density to high-density materials in the direction of trajectory 12, substantially reduces and slows a high-energy and high velocity jet of a hollow charge or other high energy projectile.
  • Fig. 6 illustrates another exemplary embodiment of the present inventions, namely armor system 110 for protecting a vehicle 111 (shown in Fig. 10) from projectiles.
  • Armor system 1 10 may include a vehicle hull 128 and an exterior armor subsystem 116.
  • Exterior armor subsystem 116 may include a leading sheet-like layer 120 that may be of a similar material as layer 20 of armor system 10.
  • Exterior armor subsystem 1 16 may include a first dispersion area 124 and a second dispersion area 132. Dispersion area 124 and dispersion area 132 may be similar to dispersion area 24 of armor system 10, and may each be between 1" and 6".
  • Exterior armor subsystem 116 may also include an
  • intermediate sheet-like layer 122 that may be similar material as layer 22 of armor system 10, and may be disposed between dispersion area 124 and dispersion area 132.
  • layer 122 may include a plurality of layers of material set at oblique angles relative to threat 12.
  • Exterior armor subsystem 116 may also include an intermediate layer 126 similar to layer 26 of armor system 10.
  • Hull 128 may be of a similar material as hull 28 of armor system 10.
  • An additional layer of metal (not shown), similar to layer 126, may be disposed between hull 128 and layer 126.
  • Vehicle 111 may include any suitable interior armor system known in the art.
  • Fig 7 depicts an alternative arrangement of the layers depicted in Fig. 6. Specifically, Fig. 7 depicts an oblique leading layer 120 of exterior armor subsystem 116, followed by one or more oblique intermediate layers 122 and a perpendicular layer 122.
  • FIG. 8 depicts an alternative arrangement of layers.
  • exterior armor subsystem 116 includes a leading layer 120, an intermediate layer 122, and a second intermediate layer 130.
  • Layer 130 may include a material having a density greater than that of the materials of layers 120 and 122.
  • Each of layers 120 and 130 may be between 2" and 8" in thickness, layer 122 may have a combined thickness of between 2" and 8".
  • Exterior armor subsystem 116 may include first dispersion area 124 and second dispersion area 132.
  • layer 122 may include a plurality of layers of material set at oblique angles relative to trajectory 12.
  • Exterior armor subsystem 1 16 may also include an intermediate layer 126 similar to layer 26 of armor system 10.
  • Hull 128 may be of a similar material as hull 28 of armor system 10.
  • An additional layer of metal (not shown), similar to layer 126, may be disposed between hull 128 and layer 126.
  • Vehicle 111 may include any suitable interior armor system known in the art.
  • Fig. 9 depicts another alternative arrangement of armor system 116 depicted in Fig. 8.
  • a layer 131 of metal similar to layer 126, may be disposed between layer 126 and layer 130.
  • an additional layer 127 of a glass fiber or composite material may be disposed between layer 126 and hull 128.
  • each of layers 122 and 120 may be between about 1" and 6" in thickness
  • each of layers 130, 131 , 126, and 127 may be between about 1" and 4" in thickness.
  • armor system 110 may be configured to protect vehicle interior 136 from projectiles.
  • One or more panels 139 of exterior armor subsystem 116 may be provided and removably attached to vehicle 11 1.
  • Panel 139 may be planar and may be removably attached to a side portion of vehicle 111.
  • a surface 141 of vehicle 1 11 may be configured to receive and bear flush against a surface 142 of a given panel 139.
  • panel 139 may be non- planar and include, for example, corners or curved portions. It is also contemplated that panel 139 may be removably attached to a top or bottom portion of vehicle 111.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un système de blindage destiné à protéger un véhicule d'un projectile, le projectile ayant une trajectoire attendue et le véhicule possédant une coque. Le système de blindage a un sous-système de blindage modulaire configuré pour être monté à l'extérieur de la coque du véhicule. Le sous-système de blindage modulaire comprend une couche de tête en forme de feuille, la couche comprenant une matière à basse densité, d'une densité inférieure à celle du métal, et étant en tête relativement à la trajectoire attendue du projectile, et une première couche intermédiaire en forme de feuille, la couche comprenant une matière à basse densité, d'une densité inférieure à celle du métal, placée entre la couche de tête et la coque. Le sous-système de blindage modulaire possède en outre une seconde couche intermédiaire en forme de feuille, la couche étant placée entre la première couche intermédiaire en forme de feuille et la coque, et une zone de dispersion placée entre les première et seconde couches intermédiaires en forme de feuille. La densité de la couche de matière de tête de basse densité est inférieure à la densité de la première couche intermédiaire de matière à basse densité et la densité de la seconde matière de couche intermédiaire est supérieure à la densité de la première matière à basse densité de couche intermédiaire.
PCT/US2010/044092 2009-08-03 2010-08-02 Dispositif et procédé pour combattre les projectiles à haute énergie WO2011053399A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1202520.1A GB2484450A (en) 2009-08-03 2010-08-02 Apparatus and method for defeating high energy projectiles
AU2010313732A AU2010313732A1 (en) 2009-08-03 2010-08-02 Apparatus and method for defeating high energy projectiles
CA2768944A CA2768944A1 (fr) 2009-08-03 2010-08-02 Dispositif et procede pour combattre les projectiles a haute energie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21396309P 2009-08-03 2009-08-03
US61/213,963 2009-08-03

Publications (2)

Publication Number Publication Date
WO2011053399A2 true WO2011053399A2 (fr) 2011-05-05
WO2011053399A3 WO2011053399A3 (fr) 2011-06-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/044092 WO2011053399A2 (fr) 2009-08-03 2010-08-02 Dispositif et procédé pour combattre les projectiles à haute énergie

Country Status (4)

Country Link
AU (1) AU2010313732A1 (fr)
CA (1) CA2768944A1 (fr)
GB (1) GB2484450A (fr)
WO (1) WO2011053399A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015138025A1 (fr) * 2013-12-18 2015-09-17 Bayer Materialscience Llc Panneaux isolés structuraux résistant aux balles
US9879474B2 (en) 2014-05-06 2018-01-30 Covestro Llc Polycarbonate based rapid deployment cover system
CN117073469A (zh) * 2023-10-16 2023-11-17 北京理工大学 用于通道开辟的活性毁伤元战斗部
EP4345409A1 (fr) 2022-09-30 2024-04-03 John Cockerill Defense SA Tourelle télé operée ayant un système de protection balistique dans la structure du toit et dans le sol

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2576070C2 (ru) * 2014-04-18 2016-02-27 Николай Сергеевич Милованов Многокапсульная бронемашина

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US5723807A (en) * 1985-06-20 1998-03-03 Fmc Corporation Expanded metal armor
US4660223A (en) * 1986-05-14 1987-04-28 Point Blank Body Armor, Inc. Protective body armor
US4987033A (en) * 1988-12-20 1991-01-22 Dynamet Technology, Inc. Impact resistant clad composite armor and method for forming such armor
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IL158045A (en) * 2003-09-22 2010-04-15 Cohen Michael Modular armored vehicle system including a combat vehicle chassis with openings and armored plates for covering the same
DE20315057U1 (de) * 2003-09-26 2005-02-10 Deisenroth, Ulf Modulares Schutzraumsystem, insbesondere zum Transport von Personen und/oder Gegenständen
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015138025A1 (fr) * 2013-12-18 2015-09-17 Bayer Materialscience Llc Panneaux isolés structuraux résistant aux balles
CN105829623A (zh) * 2013-12-18 2016-08-03 科思创有限公司 防弹结构隔热板
JP2017503685A (ja) * 2013-12-18 2017-02-02 コベストロ、リミテッド、ライアビリティ、カンパニーＣｏｖｅｓｔｒｏ Ｌｌｃ 耐弾丸構造用防護パネル
US10132597B2 (en) 2013-12-18 2018-11-20 Plaskolite Massachusetts, Llc Ballistic-resistant structural insulated panels
US9879474B2 (en) 2014-05-06 2018-01-30 Covestro Llc Polycarbonate based rapid deployment cover system
EP4345409A1 (fr) 2022-09-30 2024-04-03 John Cockerill Defense SA Tourelle télé operée ayant un système de protection balistique dans la structure du toit et dans le sol
CN117073469A (zh) * 2023-10-16 2023-11-17 北京理工大学 用于通道开辟的活性毁伤元战斗部
CN117073469B (zh) * 2023-10-16 2024-02-23 北京理工大学 用于通道开辟的活性毁伤元战斗部

Also Published As

Publication number Publication date
CA2768944A1 (fr) 2011-05-05
WO2011053399A3 (fr) 2011-06-23
GB2484450A (en) 2012-04-11
AU2010313732A1 (en) 2012-03-15
GB201202520D0 (en) 2012-03-28

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