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WO2004070310A1 - Procede de mise en oeuvre de processus produisant de la chaleur et ensemble faisant intervenir des processus produisant de la chaleur - Google Patents

Procede de mise en oeuvre de processus produisant de la chaleur et ensemble faisant intervenir des processus produisant de la chaleur Download PDF

Info

Publication number
WO2004070310A1
WO2004070310A1 PCT/SE2004/000071 SE2004000071W WO2004070310A1 WO 2004070310 A1 WO2004070310 A1 WO 2004070310A1 SE 2004000071 W SE2004000071 W SE 2004000071W WO 2004070310 A1 WO2004070310 A1 WO 2004070310A1
Authority
WO
WIPO (PCT)
Prior art keywords
pack
heat
measures
iron
oxygen
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.)
Ceased
Application number
PCT/SE2004/000071
Other languages
English (en)
Inventor
Christer ZÄTTERQVIST
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.)
Saab AB
Original Assignee
Saab AB
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 Saab AB filed Critical Saab AB
Publication of WO2004070310A1 publication Critical patent/WO2004070310A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02—Active targets transmitting infrared radiation

Definitions

  • the present invention relates to a process for producing heat-generating counter-measures which are intended to be dispensed from sea-based, land-based or air-based systems, with heat being generated when an iron compound reacts with oxygen, thereby forming iron oxide.
  • the invention also relates to a pack containing heat- generating counter-measures, which pack comprises a container with a lid and is intended to be dispensed from sea-based, land-based or air-based systems, with heat being generated when the pack is opened, during the dispensing, such that the content of the pack, in the form of an iron compound, makes contact, and is allowed to react, with oxygen, thereby forming iron oxide and heat.
  • the object of the invention is achieved by means of a process which is characterized in that the iron compound which is to react with oxygen consists of iron sulphide and by means of a pack which is characterized in that the content of the pack, which content reacts with oxygen, chiefly consists of iron sulphide.
  • the iron sulphide can be synthesized inside the pack and, after the pack has been opened, reacts in an attractive manner with the oxygen in the air, thereby forming heat having an appropriate IR signature.
  • the reaction between the iron sulphide and the oxygen is guided to at least partially follow one of the reactions shown below or a combination of these reactions: 4FeS + 30 2 -» 2Fe 2 0 3 + 4S + heat 4FeS + 70 2 -> 2Fe 2 0 3 + 4S0 2 + heat.
  • the degree of pyrophorous activity i.e. the total energy and the time required to reach maximum temperature
  • the degree of pyrophorous activity can be regulated by controlling the supply/ flow of hydrogen sulphide and the temperature at which, and the exposure time over which, the conversion from iron oxide to iron sulphide takes place. Additional regulation can be effected by storing the completed product, when some of the sulphur which remains subsequently reacts and increases still further the degree of the pyrophorous effect possessed by the material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

L'invention concerne un procédé de mise en oeuvre de processus produisant de la chaleur, pouvant être mis en oeuvre par des systèmes marins, terrestres ou aériens, la chaleur étant produite lorsqu'un composé de fer réagit avec de l'oxygène de manière à former un oxyde de fer. L'invention concerne également un ensemble (1) faisant intervenir des processus produisant de la chaleur (8). Ledit ensemble comporte un contenant (2) et un couvercle (3) et peut être mis en oeuvre par des systèmes marins, terrestres ou aériens. La chaleur est produite lorsque l'ensemble (1) est ouvert, de telle manière que le composé de fer contenu dans l'ensemble réagisse avec de l'oxygène afin de former de l'oxyde de fer et de la chaleur. Selon l'invention, le composé de fer est composé de sulfure de fer. Le procédé selon l'invention permet de simplifier le processus de production de chaleur, de s'affranchir de chambres à vide ou de zones particulières contenant une atmosphère protectrice, et de mettre en oeuvre des ensembles efficaces.
PCT/SE2004/000071 2003-02-10 2004-01-23 Procede de mise en oeuvre de processus produisant de la chaleur et ensemble faisant intervenir des processus produisant de la chaleur Ceased WO2004070310A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0300322A SE525519C2 (sv) 2003-02-10 2003-02-10 Förfarande för att framställa värmegenerande motmedel, samt förpackning med värmegenerande motmedel
SE0300322-5 2003-02-10

Publications (1)

Publication Number Publication Date
WO2004070310A1 true WO2004070310A1 (fr) 2004-08-19

Family

ID=20290330

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2004/000071 Ceased WO2004070310A1 (fr) 2003-02-10 2004-01-23 Procede de mise en oeuvre de processus produisant de la chaleur et ensemble faisant intervenir des processus produisant de la chaleur

Country Status (2)

Country Link
SE (1) SE525519C2 (fr)
WO (1) WO2004070310A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637829A1 (fr) * 2004-09-15 2006-03-22 Saab Ab Paquet de contre-mesures générant de la chaleur
WO2010093292A1 (fr) 2009-02-11 2010-08-19 Saab Ab Paquet de matériel-leurre, distributeur et procédé de distribution de matériel-leurre

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578974A (en) * 1969-03-03 1971-05-18 Talley Industries Infrared source utilizing an exothermic chemical charge having stable and nonsegregating reaction products
US4622899A (en) * 1982-10-16 1986-11-18 Pyrotechnische Fabrik F. Feistel Gmbh & Co. Kg Smoke projectile with sequential charges and central ignitor
US4650092A (en) * 1983-05-03 1987-03-17 U.S. Philips Corporation Device for the ejection of boxes through the exit of a container and box adapted for use in such a device
US5328717A (en) * 1989-12-11 1994-07-12 Advanced Technology Materials, Inc. Method of making a salt-doped metal-coated article having an evanescent electromagnetic detection signature
US5352519A (en) * 1989-12-11 1994-10-04 Advanced Technology Materials, Inc. Sulfurized chaff fiber having an evanescent radar reflectance characteristic, and method of making the same
US5571621A (en) * 1989-12-11 1996-11-05 Advanced Technology Materials, Inc. Infrared radiation-interactive article, and method of generating a transient infrared radiation response

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578974A (en) * 1969-03-03 1971-05-18 Talley Industries Infrared source utilizing an exothermic chemical charge having stable and nonsegregating reaction products
US4622899A (en) * 1982-10-16 1986-11-18 Pyrotechnische Fabrik F. Feistel Gmbh & Co. Kg Smoke projectile with sequential charges and central ignitor
US4650092A (en) * 1983-05-03 1987-03-17 U.S. Philips Corporation Device for the ejection of boxes through the exit of a container and box adapted for use in such a device
US5328717A (en) * 1989-12-11 1994-07-12 Advanced Technology Materials, Inc. Method of making a salt-doped metal-coated article having an evanescent electromagnetic detection signature
US5352519A (en) * 1989-12-11 1994-10-04 Advanced Technology Materials, Inc. Sulfurized chaff fiber having an evanescent radar reflectance characteristic, and method of making the same
US5571621A (en) * 1989-12-11 1996-11-05 Advanced Technology Materials, Inc. Infrared radiation-interactive article, and method of generating a transient infrared radiation response

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637829A1 (fr) * 2004-09-15 2006-03-22 Saab Ab Paquet de contre-mesures générant de la chaleur
WO2010093292A1 (fr) 2009-02-11 2010-08-19 Saab Ab Paquet de matériel-leurre, distributeur et procédé de distribution de matériel-leurre
EP2396221A4 (fr) * 2009-02-11 2014-03-12 Saab Ab Paquet de matériel-leurre, distributeur et procédé de distribution de matériel-leurre

Also Published As

Publication number Publication date
SE525519C2 (sv) 2005-03-01
SE0300322L (sv) 2004-08-11
SE0300322D0 (sv) 2003-02-10

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