Heat shield having strain compliant matrix and method of forming same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-003/12
B29C-043/18
C08L-097/00
B32B-005/22
B64G-001/58
B29C-070/74
B29C-035/02
B29C-043/12
B29C-043/52
B29C-043/36
B29K-105/08
출원번호
US-0411821
(2012-03-05)
등록번호
US-9028947
(2015-05-12)
발명자
/ 주소
Tompkins, James V.
Franks, Chad M.
출원인 / 주소
The Boeing Company
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A heat shield is disclosed. The heat shield may have a honeycomb core having a plurality of intersecting wall portions forming a plurality of cells. A strain compliant material may be applied to the wall portions of the honeycomb core prior to filling of the cells with an ablative material. An ablat
A heat shield is disclosed. The heat shield may have a honeycomb core having a plurality of intersecting wall portions forming a plurality of cells. A strain compliant material may be applied to the wall portions of the honeycomb core prior to filling of the cells with an ablative material. An ablative material may be used that at least substantially fills the cells of the honeycomb core.
대표청구항▼
1. A heat shield comprising: a honeycomb core having a plurality of intersecting wall portions forming a plurality of cells, the honeycomb core having an open weave construction;a strain compliant material coated on the wall portions of the honeycomb core; andan ablative material that at least subst
1. A heat shield comprising: a honeycomb core having a plurality of intersecting wall portions forming a plurality of cells, the honeycomb core having an open weave construction;a strain compliant material coated on the wall portions of the honeycomb core; andan ablative material that at least substantially fills the cells of the honeycomb core, the ablative material including carbon fibers to provide structural reinforcement to the ablative material; wherein: a portion of the ablative material is compressed into the open weave construction of the honeycomb core and is an integral portion of the wall portions of the honeycomb core. 2. The heat shield of claim 1, wherein the strain compliant material comprises a two-part, chemically cured, Silicone plastic material. 3. The heat shield of claim 2, wherein said two-part, chemically cured, silicone plastic material comprises RTV-560 Silicone plastic. 4. The heat shield of claim 1, wherein the strain compliant material comprises powdered rubber mixed with a binder. 5. The heat shield of claim 1, wherein the strain compliant material comprises cork in powder form that is mixed with a binder. 6. The heat shield of claim 1, wherein the strain compliant material comprises a thermoplastic polymer. 7. The heat shield of claim 1, wherein the strain compliant material comprises nylon applied to said wall portions while in a viscous form. 8. The heat shield of claim 1, wherein the strain compliant material further comprises a powder to aid in attachment of the ablative material to the strain compliant material during manufacture of the heat shield. 9. The heat shield of claim 1, further comprising a carrier structure formed from at least one metallic sheet of material, and wherein the carrier structure is bonded to a surface of the honeycomb core. 10. A heat shield comprising: a honeycomb core having a plurality of intersecting wall portions forming a plurality of cells, selected ones of the wall portions further being slotted along a common edge of the honeycomb core, the honeycomb core having an open weave construction; andan ablative material, applied as an ablative material sheet through an application of force to an outer surface edge of the honeycomb core, that divides the ablative material sheet in a manner to at least substantially fill the cells of the honeycomb core as portions of the ablative material sheet are forced into the cells of the honeycomb core, wherein: the slotted selected ones of the wall portions facilitate de-gassing of the ablative material during manufacture; anda portion of the ablative material is compressed into the open weave construction of the honeycomb core and is an integral portion of the wall portions of the honeycomb core: and a strain compliant material coated on the wall portions of the honeycomb core. 11. The heat shield of claim 10, wherein the strain compliant material comprises a two-part, chemically cured, Silicone plastic material. 12. The heat shield of claim 11, wherein the two-part, chemically cured, silicone plastic material comprises RTV-560 Silicone plastic. 13. The heat shield of claim 10, wherein the strain compliant material comprises at least one of: powdered rubber mixed with a binder;cork in powder form that is mixed with a binder; anda thermoplastic polymer. 14. The heat shield of claim 10, wherein the strain compliant material comprises at least one of: nylon applied to said wall portions while in a viscous form; anda powder to aid in attachment of the ablative material to the strain compliant material during manufacture of the heat shield. 15. A heat shield comprising: a core having a plurality of intersecting wall portions forming a plurality of cells, the wall portions having edges that are slotted, the core having an open weave construction;a strain compliant material coated on the wall portions of the core; andan ablative material including carbon fibers, applied as an ablative material sheet through an application of force to an outer surface edge of the core, such that edge portions of the outer surface divide the ablative material sheet in a manner to at least substantially simultaneously fill the cells of the core as portions of the ablative material sheet are forced into the cells of the core, the carbon fibers adding structural strength, wherein:the slotted wall portions further are arranged on a common side of the core and enable improved de-gassing of the ablative material during manufacture of the heat shield; anda portion of the ablative material is compressed into the open weave construction of the core and is an integral portion of the wall portions of the core. 16. The heat shield of claim 15, wherein the core comprises a honeycomb core. 17. The heat shield of claim 15, wherein the strain compliant material comprises at least one of: a two-part, chemically cured, Silicone plastic material; andRTV-560 Silicone plastic. 18. The heat shield of claim 15, wherein the strain compliant material comprises at least one of: powdered rubber mixed with a binder;cork in powder form that is mixed with a binder;a thermoplastic polymer;nylon applied to said wall portions while in a viscous form; anda powder to aid in attachment of the ablative material to the strain compliant material during manufacture of the heat shield. 19. The heat shield of claim 15, further comprising a carrier structure formed from at least one metallic sheet of material, and wherein the carrier structure is bonded to a surface of the core.
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이 특허에 인용된 특허 (11)
Toombs, Gordon R., Applying sealant to narrow deep gaps in an ablative heat shield surface.
Dow Marvin B. (Newport News VA) Bush Harold G. (Newport News VA) Haraway ; Jr. William M. (Hampton VA) Crumpler ; deceased John F. (late of Hampton VA BY Doris L. Crumpler ; beneficiary), Vacuum pressure molding technique.
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