IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0556006
(2012-07-23)
|
등록번호 |
US-8397865
(2013-03-19)
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발명자
/ 주소 |
- Douglas, Alan Richard
- Listak, Ray
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출원인 / 주소 |
|
대리인 / 주소 |
Knobbe Martens Olson & Bear LLP
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인용정보 |
피인용 횟수 :
6 인용 특허 :
9 |
초록
▼
Systems and methods for noise suppression are disclosed herein. In one embodiment, an acoustic structure has a core that includes a plurality of cells. Each of the plurality of cells includes one or more engaging structures for positioning a septum relative to the cell. The acoustic structure furthe
Systems and methods for noise suppression are disclosed herein. In one embodiment, an acoustic structure has a core that includes a plurality of cells. Each of the plurality of cells includes one or more engaging structures for positioning a septum relative to the cell. The acoustic structure further includes a plurality of septums positioned relative to the plurality of cells.
대표청구항
▼
1. A cellular honeycomb structure comprising: a plurality of cells each having a plurality of walls, at least one of the walls from each cell having a circular hole; anda first septum and a second septum each having at least four tabs, the first and second septums being disposed in adjacent cells of
1. A cellular honeycomb structure comprising: a plurality of cells each having a plurality of walls, at least one of the walls from each cell having a circular hole; anda first septum and a second septum each having at least four tabs, the first and second septums being disposed in adjacent cells of the plurality of cells such that the at least four tabs of the first septum extend through the circular hole in four of the plurality of walls and the at least four tabs of the second septum extend through the circular hole in four of the plurality of walls, one of the at least four tabs of the first septum overlapping a portion of the second septum. 2. The cellular honeycomb of claim 1, wherein the portion of the second septum is one of the at least four tabs. 3. The cellular honeycomb of claim 1, wherein the one of the at least four tabs of the first septum and one of the at least four tabs of the second septum extend through the same circular hole. 4. The cellular honeycomb of claim 3, wherein the one of the at least four tabs from each of the first and second septums overlap each other. 5. The cellular honeycomb of claim 1, wherein at least one of the plurality of cells has six walls. 6. The cellular honeycomb of claim 1, wherein at least two of the plurality of cells each have six walls with one of the six walls being common to both of the at least two of the plurality of cells, and wherein each of the plurality of walls is planar. 7. The cellular honeycomb of claim 1, wherein the plurality of walls are fabricated from a first metal alloy and the first and second septums are fabricated from a second metal alloy different than the first metal alloy. 8. The cellular honeycomb of claim 7, wherein the first metal alloy is titanium and the second metal alloy is stainless steel. 9. The cellular honeycomb of claim 1 further comprising a third septum disposed in another one of the adjacent plurality of cells and having at least four tabs, wherein one of the at least four tabs of the third septum overlaps a portion of the second septum different than the portion of the second septum overlapped by the first septum. 10. The cellular honeycomb of claim 9, wherein the portion of the second septum overlapped by the one of the at least four tabs of the third septum is one of the at least four tabs of the second septum. 11. The cellular honeycomb of claim 9, wherein the one of the at least four tabs of the third septum and another one of the at least four tabs of the second septum extend through the same circular hole. 12. A cellular honeycomb structure comprising: a plurality of adjacent cells having walls fabricated from a first metal alloy, at least one of the walls from each cell having a circular hole; anda plurality of septums fabricated from a second metal alloy, each septum having at least one tab, each septum and the at least one tab being manufactured from a single sheet, the plurality of septums being disposed relative to the plurality of adjacent cells such that the at least one tab extends through the circular hole in the cell wall, wherein a septum in one of the cells overlaps the tab extending from the septum in an adjacent cell. 13. The cellular honeycomb of claim 12, wherein at least one of the plurality of adjacent cells has six walls, and wherein four of the six walls have one of the circular holes. 14. The cellular honeycomb of claim 12, wherein the first metal alloy is titanium and the second metal alloy is stainless steel. 15. The cellular honeycomb of claim 12, wherein the plurality of septums are disposed at the same distance from an end of the plurality of adjacent cells. 16. The cellular honeycomb of claim 12, wherein at least one of the plurality of septums has six sides with four of the six sides having one of the at least one tab. 17. A cellular honeycomb structure comprising: a plurality of adjacent cells, each cell being defined by at least three walls, at least one of the at least three walls from each cell being shared between two adjacent cells and having a hole disposed entirely within the wall; anda plurality of planar septums being disposed in adjacent cells on opposite sides of the shared wall, a portion of each of the plurality of septums overlap each other. 18. The cellular honeycomb of claim 17, wherein at least one of the overlapping portions of the plurality of septums is a tab. 19. The cellular honeycomb of claim 17 further comprising sealant disposed on a portion of the shared wall adjacent to at least one of the plurality of septums. 20. The cellular honeycomb of claim 17, wherein the plurality of adjacent cells have a constant height. 21. A cellular honeycomb structure comprising: a plurality of adjacent cells having walls fabricated from a first metal alloy, at least one of the walls from each cell having a circular hole; anda plurality of septums fabricated from a second metal alloy, each septum having at least one tab, the plurality of septums being disposed relative to the plurality of adjacent cells such that the at least one tab extends through the circular hole in the cell wall, wherein a septum in one of the cells overlaps the tab extending from the septum in an adjacent cell, wherein at least one of the plurality of adjacent cells has six walls, and wherein four of the six walls have one of the circular holes. 22. A cellular honeycomb structure comprising: a plurality of adjacent cells having walls fabricated from a first metal alloy, at least one of the walls from each cell having a circular hole; anda plurality of septums fabricated from a second metal alloy, each septum having at least one tab, the plurality of septums being disposed relative to the plurality of adjacent cells such that the at least one tab extends through the circular hole in the cell wall, wherein a septum in one of the cells overlaps the tab extending from the septum in an adjacent cell, wherein at least one of the plurality of septums has six sides with four of the six sides having one of the at least one tab.
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