[특허]Shock attenuation device with stacked nonviscoelastic layers

Shock attenuation device with stacked nonviscoelastic layers 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-012/02 F41H-005/00 F42D-005/045 F16F-007/12
출원번호	US-0918677 (2015-10-21)
등록번호	US-9835429 (2017-12-05)
발명자 / 주소	Kerns, Keith A. Lee, Wayne Y. Spilotro, John J.
출원인 / 주소	Raytheon Company
대리인 / 주소	Renner, Otto, Boisselle & Sklar, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 37

초록 ▼

A shock attenuation device is used to reduce the effect of a blast shock by both disrupting the propagation of the shock and by spreading, deflecting, and/or redirecting the shock. The device includes multiple layers of different materials, having different shock transmission impedances, stacked in a direction in which the blast shock travels through the device. At least one of the layers includes a material that crumples in response to the shock, undergoing an inelastic deformation in response to the shock. Also, at least one of the layers includes a material that has a directional shock transmission impedance that provides different shock transmission impedance within different directions within the material. The directional shock transmission material may be oriented such that the preferred direction of shock transmission within the material is oriented away from the direction of in which the multiple layers of material are stacked.

대표청구항 ▼

1. A munition comprising: a shock attenuation device that includes a pair of stacked layers of non-viscoelastic shock-attenuation material in contact with one another;wherein the stacked layers include at least one layer of crushable material;wherein the layers have different shock transmission impedances; andwherein the layers have different directional shock transmission characteristics;wherein the shock attenuation device is located at least in part between a warhead of the munition and a penetrator of the munition; andwherein the layers divert around the penetrator an incipient shock from detonation of the warhead. 2. The munition of claim 1, wherein one of the layers has ordered directional shock transmission characteristics that divert an incipient shock in a first direction. 3. The munition of claim 2, wherein the other of the layers has non-directional shock transmission characteristics. 4. The munition of claim 2, wherein the other of the layers has ordered directional shock transmission characteristics that divert an incipient shock in a second direction that is different than the first direction. 5. The munition of claim 1, wherein the layers include a third layer, stacked on the pair of stacked layers, that has one or more of a different shock transmission impedance than the shock transmission impedances of the pair of stacked layers, and different directional shock transmission characteristics that the shock transmission characteristics of the pair of stacked layers. 6. The munition of claim 1, wherein the layers include additional layers on the pair of stacked layers, with the additional layers repeating a pattern set by the pair of stacked layers. 7. The munition of claim 1, wherein at least one of the layers has voids therein. 8. The munition of claim 7, wherein the at least one of the layers has pillars of material surrounded by the voids. 9. The munition of claim 1, wherein at least one of the layers has pillars therein. 10. The munition of claim 1, wherein one of the layers is a wood layer. 11. The munition of claim 10, wherein the wood layer has ordered directional shock transmission characteristics. 12. The munition of claim 1, wherein one of the layers is a composite fiber material layer. 13. The munition of claim 12, wherein the composite fiber material layer has ordered directional shock transmission characteristics. 14. The munition of claim 1, wherein one of the layers is a corrugated material layer. 15. The munition of claim 1, wherein one of the layers is a honeycomb material layer. 16. The munition of claim 1, wherein one of the layers is a metal layer.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Shock attenuation device with stacked nonviscoelastic layers 원문보기

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Shock attenuation device with stacked nonviscoelastic layers 원문보기

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