EP1166033A1 - Dispositif electronique et mecanique de retard d'allumage pour munition eclairante pyrotechnique a cartouche - Google Patents

Dispositif electronique et mecanique de retard d'allumage pour munition eclairante pyrotechnique a cartouche

Info

Publication number
EP1166033A1
EP1166033A1 EP00904950A EP00904950A EP1166033A1 EP 1166033 A1 EP1166033 A1 EP 1166033A1 EP 00904950 A EP00904950 A EP 00904950A EP 00904950 A EP00904950 A EP 00904950A EP 1166033 A1 EP1166033 A1 EP 1166033A1
Authority
EP
European Patent Office
Prior art keywords
active mass
sabot
ignition
active material
galvanically connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00904950A
Other languages
German (de)
English (en)
Other versions
EP1166033B1 (fr
Inventor
Ernst-Christian Koch
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.)
Pepete GmbH
Original Assignee
Piepenbrock Pyrotechnik GmbH
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 Piepenbrock Pyrotechnik GmbH filed Critical Piepenbrock Pyrotechnik GmbH
Publication of EP1166033A1 publication Critical patent/EP1166033A1/fr
Application granted granted Critical
Publication of EP1166033B1 publication Critical patent/EP1166033B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/40—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically

Definitions

  • the invention relates to a device for delayed ignition for electrically operated ammunition, in particular dummy ammunition with pyrotechnic, pyrophoric or hypergolic active masses.
  • flares To ward off guided missiles with infrared search heads, aircraft use, among other things, pyrotechnic infrared emitters, so-called flares. These flare ammunitions generally consist of a cartridge case with an electrical igniter and the pyrotechnic active mass. Cartridges for mock ammunition are available in many calibers. There are cylindrical ammunitions in calibers 26.5, 36, 38, 40 and 55 mm. There are also ammunitions with a rectangular cross-section in calibers 25x25, 25x52 and 52x65 mm. Sets of active substances based on magnesium / Teflon / Viton or on the basis of red phosphorus are frequently used as active compounds, and pyrophoric and hypergolic active compounds are also known. Characteristic of all flare active masses is the strong heat development and flame formation that occur during combustion.
  • So-called pipe fuses are used to prevent such premature erosion of the active mass in the launcher. These devices ensure that the active mass is ignited only outside the launcher.
  • Another form of pipe protection provides that the mechanical acceleration, a so-called g-protection in a sabot element is overridden by the launch acceleration. If this sabot is now outside the cartridge case, similar to that described above, a lock is released by means of spring force and a firing pin is triggered, which initiates the active mass via a primer.
  • the disadvantages of these safety devices are that, on the one hand, inert, high-mass parts fall to the ground, making exercises over inhabited terrain inadmissible. On the other hand, there is a risk that these parts can get into the engines of other planes and, in extreme cases, that the affected engine can fail during the association flight.
  • a particular disadvantage of the latter tube safety device is the risk of unintentional triggering when such ammunition is dismantled. Only a slight acceleration load is sufficient to override the g-lock and to unlock the firing pin for triggering the primer, which causes the active mass to be released after the active substance body has been removed from the cartridge case.
  • the object of the present invention is to eliminate these disadvantages.
  • a pipe safety device for electrically actuable pyrotechnic ammunition is presented, which prevents the problems in dealing with friction sets and in which no inert parts are ejected after the active mass body has been ejected.
  • the ammunition according to the invention consists, as shown in FIG. 1, of a cartridge case 10 with an inserted electric igniter 1, sabot 4 and active mass 8.
  • the electrical igniter (Squib) 1 with the contact pins 1a and 1b and the bridge wire 1c is galvanically connected 5 via a suitable electronic circuit 1d to a capacitor element 3, which is located in the sabot 4.
  • the capacitor element 3 in the sabot 4 is also galvanically 6, connected to a mechanical switching element 7 in the active mass 8.
  • This switching element 7 is in turn galvanically connected 7a to an electrical igniter 9 in the active mass 8.
  • the electrical ignition pulse triggers the propellant charge 2 via the bridge wire 1c in the squib and the charging of the capacitor element 3 in the sabot 4.
  • the gas pressure of the propellant charge 2 causes the sabot 4 with the charged capacitor element 3 and the active mass 8 lying in front of it Sleeve 10 moves.
  • the galvanic connection between sabot 4 and Squib 1 can either be interrupted or remain in place.
  • At the sleeve opening 11 a causes a sub-caliber ring 11 b that the sabot 4 is held.
  • the switch-on element 7 connected to the sabot 4 in the active mass 8 is actuated by the movement of the active mass 8 relative to the sabot 4 and the galvanic connection between the capacitor element 3 and the ignition pill 9 manufactured in the active mass 8 and with which the active mass 8 is triggered.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Air Bags (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Fuses (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Automotive Seat Belt Assembly (AREA)
EP00904950A 1999-03-31 2000-01-24 Dispositif electronique et mecanique de retard d'allumage pour munition eclairante pyrotechnique a cartouche Expired - Lifetime EP1166033B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19914670A DE19914670A1 (de) 1999-03-31 1999-03-31 Elektronisch-mechanische Anzündverzögerung für patronierte pyrotechnische Scheinzielmunition
DE19914670 1999-03-31
PCT/EP2000/000497 WO2000060302A1 (fr) 1999-03-31 2000-01-24 Dispositif electronique et mecanique de retard d'allumage pour munition eclairante pyrotechnique a cartouche

Publications (2)

Publication Number Publication Date
EP1166033A1 true EP1166033A1 (fr) 2002-01-02
EP1166033B1 EP1166033B1 (fr) 2003-05-21

Family

ID=7903123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00904950A Expired - Lifetime EP1166033B1 (fr) 1999-03-31 2000-01-24 Dispositif electronique et mecanique de retard d'allumage pour munition eclairante pyrotechnique a cartouche

Country Status (11)

Country Link
US (1) US6463856B1 (fr)
EP (1) EP1166033B1 (fr)
JP (1) JP2002541425A (fr)
AT (1) ATE241123T1 (fr)
DE (2) DE19914670A1 (fr)
DK (1) DK1166033T3 (fr)
ES (1) ES2199774T3 (fr)
IL (2) IL145011A0 (fr)
PT (1) PT1166033E (fr)
TR (1) TR200102722T2 (fr)
WO (1) WO2000060302A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6055909A (en) * 1998-09-28 2000-05-02 Raytheon Company Electronically configurable towed decoy for dispensing infrared emitting flares
US7469640B2 (en) * 2006-09-28 2008-12-30 Alliant Techsystems Inc. Flares including reactive foil for igniting a combustible grain thereof and methods of fabricating and igniting such flares
FR2991666B1 (fr) * 2012-06-07 2015-02-27 Mbda France Procede, dispositif et systeme de leurrage pour la protection d'un aeronef
RU2541595C1 (ru) * 2013-10-24 2015-02-20 Федеральное государственное унитарное предприятие "Научно-производственное объединение им. С.А. Лавочкина" Устройство защиты детонационных цепей бортовой автоматики летательных аппаратов
US10775140B2 (en) * 2018-05-07 2020-09-15 Omnitek Partners Llc Controlled payload release mechanism for multiple stacks of pyrophoric foils to be contained in a single decoy device cartridge

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451306A (en) * 1967-01-26 1969-06-24 Susquehanna Corp Safe and arm ejection system
US3712224A (en) 1971-06-21 1973-01-23 Us Navy Decoy flare with traveling ignition charge
FR2592474B1 (fr) * 1985-12-27 1989-12-01 Lacroix E Tous Artifices Projectile du type logeant une charge pyrotechnique et des moyens d'initiation retardee de cette derniere.
JP2571097B2 (ja) * 1988-04-27 1997-01-16 本田技研工業株式会社 機械式加速度センサ
US4815381A (en) * 1988-05-20 1989-03-28 Morton Thiokol, Inc. Multiple pulse inertial arm/disarm switch
FR2660749B1 (fr) * 1990-04-05 1994-07-08 Lacroix E Tous Artifices Systeme de declenchement sequentiel controle et automatique d'une pluralite de charges utiles pyrotechniques.
US5561259A (en) 1994-10-13 1996-10-01 Alliant Techsystems Inc. Decoy flare with sequencer ignition
US5693906A (en) * 1995-09-28 1997-12-02 Alliant Techsystems Inc. Electro-mechanical safety and arming device
US6129022A (en) * 1998-08-28 2000-10-10 Royal Ordnance Plc Ammunition safety and arming unit
US6055909A (en) * 1998-09-28 2000-05-02 Raytheon Company Electronically configurable towed decoy for dispensing infrared emitting flares

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0060302A1 *

Also Published As

Publication number Publication date
DE19914670A1 (de) 2000-10-05
TR200102722T2 (tr) 2002-02-21
WO2000060302A1 (fr) 2000-10-12
IL145011A (en) 2006-10-31
PT1166033E (pt) 2003-10-31
DE50002266D1 (de) 2003-06-26
DK1166033T3 (da) 2003-09-15
EP1166033B1 (fr) 2003-05-21
IL145011A0 (en) 2002-06-30
ES2199774T3 (es) 2004-03-01
ATE241123T1 (de) 2003-06-15
JP2002541425A (ja) 2002-12-03
US6463856B1 (en) 2002-10-15

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