EP3144628B1 - Grille d'aération blindée - Google Patents

Grille d'aération blindée Download PDF

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Publication number
EP3144628B1
EP3144628B1 EP16187931.7A EP16187931A EP3144628B1 EP 3144628 B1 EP3144628 B1 EP 3144628B1 EP 16187931 A EP16187931 A EP 16187931A EP 3144628 B1 EP3144628 B1 EP 3144628B1
Authority
EP
European Patent Office
Prior art keywords
blade
block
grille
enclosure
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16187931.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3144628A1 (fr
Inventor
David Bois
Didier Mallat
Nicolas DRAN
David LEBAILLIF
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nexter Systems SA
Original Assignee
Nexter Systems SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55129921&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3144628(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nexter Systems SA filed Critical Nexter Systems SA
Priority to PL16187931T priority Critical patent/PL3144628T3/pl
Publication of EP3144628A1 publication Critical patent/EP3144628A1/fr
Application granted granted Critical
Publication of EP3144628B1 publication Critical patent/EP3144628B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/03—Air-pressurised compartments for crew; Means for preventing admission of noxious substances, e.g. combustion gas from gun barrels, in crew compartments; Sealing arrangements
    • F41H7/035—Gratings for ventilation openings

Definitions

  • the technical field of the invention is that shielded ventilation grids which are intended to be placed on an opening which connects the outside and an internal volume to an enclosure.
  • Such grilles can close off ventilation ducts of fixed shelters. They can also be put in place on the grille of a vehicle to allow aeration of the engine.
  • the object of the invention is to provide a shielded ventilation grille which promotes the passage of air while at the same time providing enhanced protection, in particular by preventing the entry of the fragments of a munition into the enclosure covered by the wire rack.
  • the subject of the invention is a shielded ventilation grille intended to be put in place on an opening connecting an internal volume to an enclosure and the outside, gate comprising an internal face intended to be applied to the opening and a face.
  • external intended to be oriented to the outside of the enclosure gate having at least one blade secured to a frame intended to be secured to the enclosure, blade inclined relative to a direction substantially perpendicular to a plane of the frame, blade having an upper surface oriented towards the outer face of the gate and a lower surface oriented towards the inner face of the gate, the blade comprising a shielded aluminum block, gate characterized in that the block has at the level of the upper surface of the blade a cavity s extending over the entire length of the blade and which is closed by a sheet whose thickness is less than the thickness of the block.
  • the cavity is generally parallelepipedal and is delimited on the one hand by a rectangular front face which is located at a first distance from a front edge of the blade and secondly by a rectangular parallel rear face. at the front face and which is located at a second distance from a rear edge of the blade.
  • the blade may comprise at its lower surface a shielded steel sheet on which the block will be fixed.
  • the sheet may comprise a rear portion which extends towards the rear of the blade beyond the block and this rear portion will then be inclined relative to the upper surface of the blade, the angle of inclination being such that the rear part gets closer to the lower surface of the blade.
  • an enclosure 1 delimits an internal volume which communicates with the outside through an opening 2 on which a grid 3 is applied.
  • the gate 3 comprises a frame 4 which is fixed to the enclosure 1 by means of securing (not shown).
  • the grid 3 is formed of blades 5 which are parallel to each other and which are all integral with the frame 4 at their ends. It will be possible for example to weld the blades 5 to the frame 4. It will be advantageous to provide a removable connecting means between the blades and the lateral uprights of the frame. This variant will replace one or more blades easily.
  • the grid 3 has an internal face 3a which is intended to be applied on the opening 2 (thus on the inside INT side of the enclosure) and an outer face 3b which is intended to be oriented towards the EXT outside of enclosure 1.
  • the grid 3 comprises blades 5 integral with the frame 4 which is itself secured to the enclosure 1.
  • All the blades 5 are inclined with respect to a direction ⁇ which is substantially perpendicular to a plane P of the frame 4.
  • Each blade 5 has an upper surface 5b which is oriented towards the outer face 3b of the grid and a lower surface 5a which is oriented towards the inner face 3a of the grid 3.
  • each blade 5 comprises a block 6 which is made of shielded aluminum and which has at the level of the upper surface 5b of the blade a cavity 7 which extends over the entire length of the blade 5, an amount to the other of the frame.
  • the cavity 7 is closed by a sheet 8 whose thickness is less than the thickness of the block 6.
  • This sheet may be made of aluminum. It is also possible to make the sheet 8 of a ductile metallic material other than aluminum.
  • the depth of the cavity 7 is related to the caliber of the projectiles against which the grid must protect the enclosure.
  • the cavity 7 is intended to contain the chips from the shell of the projectile when it impacts the block 6 at the bottom of the cavity.
  • the sheet 8 maintains the chips in the cavity. The dimensioning will be carried out by the skilled person from firing tests of different cavity configurations for the envisaged threat.
  • the sheet 8 is fixed to the block 6 by screws 9. Its thickness is of the order of a millimeter while the block 6 has a thickness of the order of ten millimeters.
  • the first distance D1 and / or the second distance D2 may be chosen greater than or equal to the total thickness of the blade 5.
  • the aim is to provide at the front and rear of the blade 5 areas in which the block 6 has its maximum thickness.
  • each blade is rounded at block 6. Such an arrangement facilitates the flow of air.
  • the blade 5 further comprises at its lower surface 5a a shielded steel sheet 10 on which is fixed the block 6, for example by screwing.
  • the shielded steel sheet 10 may have a chamfer 11 at its lower front edge to facilitate the flow of air.
  • the sheet 8 may comprise a rear portion 8a which will extend towards the rear of the blade 5 beyond the block 6.
  • this rear portion 8a is inclined with respect to the upper surface 5b of the blade 5.
  • the angle of inclination is oriented such that the rear portion 8a approaches the lower surface 5b of the blade 5. Such an orientation makes it possible to facilitate the flow of air into the enclosure.
  • the blades 5 are arranged relative to each other so that, an impact direction ⁇ which passes below the lower edge of a first blade 5 1 , impacts the blade 2 located below at the level of the cavity 7 of this blade 5 2 .
  • the impact direction ⁇ 1 makes an angle ⁇ with the direction ⁇ perpendicular to the plane P which is positive. That is to say that the transition from the direction ⁇ to the direction ⁇ 1 is done geometrically by a rotation in the trigonometric direction (or counterclockwise).
  • the angle ⁇ is called the angle of incidence.
  • the protection is less for the directions of impact for which the angle of incidence ⁇ is negative. However, these impact directions generally have a lower probability of occurrence.
  • Sheet 8 does not shed or slightly the core of an incident projectile. It does not generate splinters because of its ductility but can instead retain the shrapnel lining inside the cavity 7.
  • the cavity 7 has the effect of retaining the jacket chips during the removal of the core on the block 6, thus avoiding their aspiration through the gate 3.
  • the shielded aluminum block 6 serves to brake the incident projectile that is trapped in the block material.
  • the distance D1 materializes a massive front part for the blades 5 which makes it possible to receive the projectile jacket chips which are either trapped in the block 6 or projected outwards.
  • the shielded steel sheet 10 makes it possible to stop the projectiles that could pass through the block 6.
  • the chips generated by the impact on the sheet 10 of a projectile passing through the block 6 are then projected towards the inside of the block 6 and are trapped inside or arrested by the sheet 8.
  • the distance D2 materializes a massive rear part for the block 6. This allows the block to more effectively trap the projectile flakes resulting from a rupture caused by the steel sheet 10 in the vicinity of the rear of the blade 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Air-Flow Control Members (AREA)
EP16187931.7A 2015-09-15 2016-09-08 Grille d'aération blindée Active EP3144628B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16187931T PL3144628T3 (pl) 2015-09-15 2016-09-08 Opancerzone kratki wentylacyjne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1501913A FR3041092B1 (fr) 2015-09-15 2015-09-15 Grille d'aeration blindee

Publications (2)

Publication Number Publication Date
EP3144628A1 EP3144628A1 (fr) 2017-03-22
EP3144628B1 true EP3144628B1 (fr) 2018-03-14

Family

ID=55129921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16187931.7A Active EP3144628B1 (fr) 2015-09-15 2016-09-08 Grille d'aération blindée

Country Status (5)

Country Link
EP (1) EP3144628B1 (pl)
ES (1) ES2668382T3 (pl)
FR (1) FR3041092B1 (pl)
PL (1) PL3144628T3 (pl)
TR (1) TR201807428T4 (pl)

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184675B (de) 1962-07-26 1964-12-31 Henschel Werke Ag Panzergraeting
DE1244021B (de) 1964-09-07 1967-07-06 Blohm Voss Ag Splitter- und beschusssichere Belueftungsvorrichtung fuer allseitig verschliessbare Fahrzeuge
US3504644A (en) 1967-02-11 1970-04-07 Porsche Kg Bulletproof grating for armored vehicle air intake and discharge openings
DE7613508U1 (de) 1976-04-29 1979-09-13 Thyssen Industrie Ag, 4300 Essen Panzergraetung
US4198219A (en) 1978-11-22 1980-04-15 The United States Of America As Represented By The Secretary Of The Army Air inlet grille for engine compartment
DE7920402U1 (de) 1979-07-17 1980-11-13 Thyssen Industrie Ag, 4300 Essen Panzergräting
DE3534939A1 (de) 1985-10-01 1987-04-16 Thyssen Maschinenbau Gmbh Fahrzeug-kabinen-bausatz
FR2610575A1 (fr) 1987-02-06 1988-08-12 Hoesch Ag Dispositif pour la protection efficace des ouvertures d'aeration de vehicules speciaux
DE4015304A1 (de) 1990-05-12 1992-01-09 Hoesch Ag Vorrichtung zur sicheren abdeckung von luftoeffnungen in sonderfahrzeugen
US5452641A (en) 1994-04-07 1995-09-26 Fmc Corporation Transparent armor piercing protection system
DE19634227C1 (de) 1996-08-23 1998-01-08 Krupp Ag Hoesch Krupp Verbindung eines Rahmens einer Gräting für Sonderfahrzeuge, wie gepanzerte Fahrzeuge, mit den Profilleisten der Gräting
US5880394A (en) 1995-03-15 1999-03-09 Fried, Krupp Ag Hoesch-Krupp Ballistic grill for special purpose vehicles
DE19821881A1 (de) 1998-05-15 2000-01-20 Henschel Wehrtechnik Gmbh Vorrichtung zur Verminderung der IR-Signatur von Warmluftaustrittsbereichen der Außenfläche ortsveränderlicher Objekte
RU2196290C2 (ru) 2001-02-26 2003-01-10 Открытое акционерное общество "Челябинский тракторный завод" Защитная решетка радиатора бронированной машины
RU2196291C2 (ru) 2001-02-26 2003-01-10 Открытое акционерное общество "Челябинский тракторный завод" Защитная решетка радиатора бронированной машины
RU85623U1 (ru) 2009-02-11 2009-08-10 Открытое Акционерное Общество "Научно-Исследовательский Институт Стали" (Оао "Нии Стали") Защитная решетка радиатора бронированной машины
KR20100018774A (ko) 2008-08-07 2010-02-18 두산디에스티주식회사 특수차량의 방탄 그릴
KR20100018766A (ko) 2008-08-07 2010-02-18 두산디에스티주식회사 특수차량의 방탄 그릴
FR2953921A1 (fr) 2009-12-14 2011-06-17 Nexter Systems Grille de protection balistique allegee
US20120240757A1 (en) 2011-03-25 2012-09-27 David Arthur Schade Composite grille louvers
FR2990504A1 (fr) 2012-05-14 2013-11-15 Nexter Systems Grille d'aeration blindee
US20140251120A1 (en) 2013-03-08 2014-09-11 Bae Systems Land & Armaments, L.P. Optimized bent bar grille
WO2014164531A2 (en) 2013-03-08 2014-10-09 Bae Systems Land & Armaments L.P. Gradient ballistic material and honeycomb grille

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184675B (de) 1962-07-26 1964-12-31 Henschel Werke Ag Panzergraeting
DE1244021B (de) 1964-09-07 1967-07-06 Blohm Voss Ag Splitter- und beschusssichere Belueftungsvorrichtung fuer allseitig verschliessbare Fahrzeuge
US3504644A (en) 1967-02-11 1970-04-07 Porsche Kg Bulletproof grating for armored vehicle air intake and discharge openings
DE7613508U1 (de) 1976-04-29 1979-09-13 Thyssen Industrie Ag, 4300 Essen Panzergraetung
US4198219A (en) 1978-11-22 1980-04-15 The United States Of America As Represented By The Secretary Of The Army Air inlet grille for engine compartment
DE7920402U1 (de) 1979-07-17 1980-11-13 Thyssen Industrie Ag, 4300 Essen Panzergräting
DE3534939A1 (de) 1985-10-01 1987-04-16 Thyssen Maschinenbau Gmbh Fahrzeug-kabinen-bausatz
FR2610575A1 (fr) 1987-02-06 1988-08-12 Hoesch Ag Dispositif pour la protection efficace des ouvertures d'aeration de vehicules speciaux
DE4015304A1 (de) 1990-05-12 1992-01-09 Hoesch Ag Vorrichtung zur sicheren abdeckung von luftoeffnungen in sonderfahrzeugen
US5452641A (en) 1994-04-07 1995-09-26 Fmc Corporation Transparent armor piercing protection system
US5880394A (en) 1995-03-15 1999-03-09 Fried, Krupp Ag Hoesch-Krupp Ballistic grill for special purpose vehicles
DE19634227C1 (de) 1996-08-23 1998-01-08 Krupp Ag Hoesch Krupp Verbindung eines Rahmens einer Gräting für Sonderfahrzeuge, wie gepanzerte Fahrzeuge, mit den Profilleisten der Gräting
DE19821881A1 (de) 1998-05-15 2000-01-20 Henschel Wehrtechnik Gmbh Vorrichtung zur Verminderung der IR-Signatur von Warmluftaustrittsbereichen der Außenfläche ortsveränderlicher Objekte
RU2196290C2 (ru) 2001-02-26 2003-01-10 Открытое акционерное общество "Челябинский тракторный завод" Защитная решетка радиатора бронированной машины
RU2196291C2 (ru) 2001-02-26 2003-01-10 Открытое акционерное общество "Челябинский тракторный завод" Защитная решетка радиатора бронированной машины
KR20100018774A (ko) 2008-08-07 2010-02-18 두산디에스티주식회사 특수차량의 방탄 그릴
KR20100018766A (ko) 2008-08-07 2010-02-18 두산디에스티주식회사 특수차량의 방탄 그릴
RU85623U1 (ru) 2009-02-11 2009-08-10 Открытое Акционерное Общество "Научно-Исследовательский Институт Стали" (Оао "Нии Стали") Защитная решетка радиатора бронированной машины
FR2953921A1 (fr) 2009-12-14 2011-06-17 Nexter Systems Grille de protection balistique allegee
US20120240757A1 (en) 2011-03-25 2012-09-27 David Arthur Schade Composite grille louvers
FR2990504A1 (fr) 2012-05-14 2013-11-15 Nexter Systems Grille d'aeration blindee
US20140251120A1 (en) 2013-03-08 2014-09-11 Bae Systems Land & Armaments, L.P. Optimized bent bar grille
WO2014164531A2 (en) 2013-03-08 2014-10-09 Bae Systems Land & Armaments L.P. Gradient ballistic material and honeycomb grille

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Erster Band A-EK", 1989, Mannheim, Brockhaus, ISBN: 3-7653-0451-4, article "Brockhaus Naturwissenschaften und Technik", XP055538540

Also Published As

Publication number Publication date
FR3041092B1 (fr) 2017-09-01
ES2668382T3 (es) 2018-05-17
FR3041092A1 (fr) 2017-03-17
TR201807428T4 (tr) 2018-06-21
PL3144628T3 (pl) 2018-06-29
EP3144628A1 (fr) 2017-03-22

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