[특허]Pyrotechnic systems and associated methods

Armtec Defense Products Co.

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Pyrotechnic systems and associated methods

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-004/26 F42B-004/00
미국특허분류(USC)	102/342; 102/341; 102/336
출원번호	US-0918543 (2004-08-13)
등록번호	US-7363861 (2008-04-29)
발명자 / 주소	Brune,Neal W. Dawson,Andrew R. Wessels,George H. Ford,Kevin M.
출원인 / 주소	Armtec Defense Products Co.
대리인 / 주소	Perkins Coie LLP
인용정보	피인용 횟수 : 6 인용 특허 : 78

초록
▼

Pyrotechnic systems and associated methods are disclosed. In one embodiment, a pyrotechnic system includes a combustible material in a housing having a first and second portion. The first portion of the housing can have an inlet for receiving combustion products and the second portion can have an outlet to propagate combustion between the second portion of the housing and the combustible material. The system can further include a combustible carrier material movable from the first portion of the housing to the second portion of the housing. The combustible carrier material can be ignited in a first portion of the housing and capable of sustaining combustion while being moved to the second portion of the housing. Additional embodiments can include a seal positioned to block a migration of combustion products between the first and second portions of the housing when the combustible carrier material is in the first portion of the housing. Still further embodiments can include a vent system located proximate to the first portion of the housing and the inlet wherein the vent system includes a passageway to allow combustion products to migrate away from the first portion of the housing and/or the inlet. In yet a further embodiment, the system can include at least one gasket positioned proximate to the outlet to prevent the migration of combustion products to the combustible material except from the outlet.

대표
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We claim: 1. A flare deployable from a launcher, the flare comprising: a flare grain configured to produce an electromagnetic radiation emission during combustion; a housing having a first portion and a second portion, the first portion having an inlet for receiving combustion products, the second portion having an outlet, the outlet being positioned to propagate combustion between the second portion of the housing and the flare grain; a combustible carrier material movable from the first portion of the housing to the second portion of the housing, the combustible carrier material being ignitable in the first portion of the housing and capable of sustaining combustion while being moved to the second portion of the housing; a seal positioned to block a migration of combustion products between the first and second portions of the housing when the combustible carrier material is in the first portion of the housing; a biasing mechanism urging the combustible carrier material toward the second portion of the housing; and a device movable between a first position and a second position, the device in the first position restricting the biasing mechanism from moving the combustible carrier material to the second portion of the housing and the device in the second position allowing the biasing mechanism to move the combustible carrier material to the second portion of the housing, and a package containing the flare grain, the package includes a first portion of tape surrounding the flare grain, the first portion of tape including the aperture to communicate with the outlet of the housing, and wherein the system further comprises a second portion of tape surrounding a portion of the housing, a portion of the seal, and a portion of the package, the second portion of tape being positioned to prevent the migration of combustion products through the aperture except from the outlet. 2. The system of claim 1 wherein the inlet is positioned to receive combustion products released from an expulsion charge. 3. The system of claim 1 wherein the seal includes a silicone material. 4. The system of claim 1 wherein at least a portion of the device includes a silicone material. 5. The system of claim 1, further comprising at least one flammable material positioned to propagate combustion between the second portion of the housing and the flare grain. 6. The system of claim 1 wherein the flare is carried by a vehicle. 7. A pyrotechnic system, comprising: a package having a combustible material, the package having an aperture proximate to the combustible material; a housing having a first portion and a second portion, the first portion having an inlet for receiving combustion products, the second portion having an outlet in communication with the aperture to propagate combustion between the second portion of the housing and the combustible material in the package; a combustible carrier material movable from the first portion of the housing to the second portion of the housing, the combustible carrier material being ignitable in the first portion of the housing and capable of sustaining combustion while being moved to the second portion of the housing; and at least one gasket positioned proximate to the outlet and the aperture to prevent the migration of combustion products through the aperture except from the outlet, wherein the combustible material includes flare grain and the package includes a first portion of tape surrounding the flare grain, the first portion of tape including the aperture to communicate with the outlet of the housing, and wherein the system further comprises a second portion of tape surrounding a portion of the housing, a portion of the at least one gasket, and a portion of the package, the second portion of tape being positioned to prevent the migration of combustion products through the aperture except from the outlet. 8. The system of claim 7 wherein the inlet is positioned to receive combustion products released from an expulsion charge. 9. The system of claim 7 wherein the at least one gasket includes a silicone material. 10. The system of claim 7, further comprising at least one portion of tape positioned proximate to the at least one gasket to prevent the migration of combustion products through the aperture except from the outlet. 11. The system of claim 7, further comprising a seal positioned to block a migration of combustion products between the first and second portions of the housing when the combustible carrier material is in the first portion of the housing. 12. The system of claim 7 wherein the combustible material in the package includes a first combustible material, and the system further comprises at least one combustible intermediary material positioned between the second portion of the housing and the first combustible material. 13. The system of claim 7, further comprising: a biasing mechanism urging the combustible carrier material toward the second portion of the housing; and a device movable between a first position and a second position, the device in the first position restricting the biasing mechanism from moving the combustible carrier material to the second portion of the housing and the device in the second position allowing the biasing mechanism to move the combustible carrier material to the second portion of the housing. 14. The system of claim 7 wherein the pyrotechnic system includes a flare. 15. The system of claim 7 wherein the pyrotechnic system is carried by a vehicle. 16. A pyrotechnic system, comprising: a combustible material that includes flare grain; a housing having a first portion and a second portion, the first portion having an inlet for receiving combustion products, the second portion having an outlet, the outlet being positioned to propagate combustion between the second portion of the housing and the combustible material; a combustible carrier material movable from the first portion of the housing to the second portion of the housing, the combustible carrier material being ignitable in the first portion of the housing and capable of sustaining combustion while being moved to the second portion of the housing; a vent system being located proximate to the first portion of the housing and the inlet, wherein the vent system includes a passageway to allow combustion products to migrate away from at least one of the first portion of the housing and the inlet; a gasket; a first portion of tape surrounding the flare grain, the first portion of tape including the aperture to communicate with the outlet of the housing; and a second portion of tape surrounding a portion of the housing and a portion of the gasket, the second portion of tape being positioned to prevent the migration of combustion products through the aperture except from the outlet. 17. The system of claim 16 wherein the inlet is positioned to receive combustion products released from an expulsion charge. 18. The system of claim 16 wherein the system further comprises a launcher to deploy the pyrotechnic device, the launcher having a portion that receives the combustion products that migrate through the vent system. 19. The system of claim 16, further comprising a seal positioned to block a migration of combustion products between the first and second portions of the housing when the combustible carrier material is in the first portion of the housing. 20. The system of claim 16 wherein the combustible material is contained in a package having an aperture proximate to the combustible material, and wherein the system further comprises at least one gasket positioned proximate to the outlet and the aperture to prevent the migration of combustion products through the aperture except from the outlet. 21. The system of claim 16, further comprising: a biasing mechanism urging the combustible carrier material toward the second portion of the housing; and a device movable between a first position and a second position, the device in the first position restricting the biasing mechanism from moving the combustible carrier material to the second portion of the housing and the device in the second position allowing the biasing mechanism to move the combustible carrier material to the second portion of the housing. 22. The system of claim 16 wherein the combustible material includes a first combustible material, and the system further comprises at least one combustible intermediary material positioned between the second portion of the housing and the first combustible material. 23. The system of claim 16 wherein the pyrotechnic system includes a flare. 24. The system of claim 16 wherein the pyrotechnic system is carried by a vehicle. 25. A method for making a pyrotechnic system, comprising: providing a package having a combustible material, the package having an aperture proximate to the combustible material; coupling a housing to the package, the housing having a first portion and a second portion, the first portion having an inlet for receiving combustion products, the second portion having an outlet, the outlet in communication with the aperture to propagate combustion between the second portion of the housing and the combustible material in the package; installing a combustible carrier material movable from the first portion of the housing to the second portion of the housing, the combustible carrier material being ignitable in the first portion of the housing and capable of sustaining combustion while being moved to the second portion of the housing; and positioning at least one gasket proximate to the outlet and the aperture to prevent the migration of combustion products through the aperture except from the outlet, wherein providing a package having a combustible material includes providing a package having flare grain and a first portion of tape surrounding the flare grain, the first portion of tape including an aperture to communicate with the outlet of the housing, and wherein the method further comprises surrounding a portion of the housing, a portion of the at least one gasket, and a second portion of the package with a second portion of tape, the second portion of tape being positioned to prevent the migration of combustion products through the aperture except from the outlet. 26. The method of claim 25, further comprising positioning a seal to block a migration of combustion products between the first and second portions of the housing when the combustible carrier material is in the first portion of the housing. 27. The method of claim 25, further comprising positioning at least one portion of tape proximate to the at least one gasket to prevent the migration of combustion products through the aperture except from the outlet. 28. The method of claim 25, further comprising: positioning a biasing mechanism to urge the combustible carrier material toward the second portion of the housing; and operatively coupling a device movable between a first position and a second position to the biasing mechanism, the device in the first position restricting the biasing mechanism from moving the combustible carrier material to the second portion of the housing and the device in the second position allowing the biasing mechanism to move the combustible carrier material to the second portion of the housing. 29. The system of claim 25 wherein: providing a package having a combustible material includes providing a package having a first combustible material; and coupling a housing to the package includes coupling a housing to the package with at least one combustible intermediary material positioned between the second portion of the housing and the first combustible material. 30. The method of claim 25 wherein providing a package having a combustible material includes providing a package having flare grain. 31. The method of claim 25, further comprising configuring the pyrotechnic system to be installed on a vehicle. 32. The method of claim 25, further comprising installing the pyrotechnic system on a vehicle.

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Pyrotechnic systems and associated methods

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