IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0360981
(2009-01-28)
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등록번호 |
US-8093487
(2012-01-10)
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발명자
/ 주소 |
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출원인 / 주소 |
- The Penn State Research Foundation
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대리인 / 주소 |
Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
11 |
초록
▼
A removable protective nose cover for a submersible structure having a nose section is disclosed. The removable protective nose cover can include a plurality of shell members, each of the shell members having a forward end and an aft end. Each shell member can also be dimensioned to fit adjacent to
A removable protective nose cover for a submersible structure having a nose section is disclosed. The removable protective nose cover can include a plurality of shell members, each of the shell members having a forward end and an aft end. Each shell member can also be dimensioned to fit adjacent to and around the nose section of the submersible structure and thereby form a protective shell. A central nose member having a locking member can also be included, the locking member being operable to attach the central nose member to each of the forward ends of the shell members. The aft ends of the shell members can be attached to each other using a plurality of attachment clips such that the attachment of the central nose member to each of the forward ends of the shell members and the attachment of the adjacent aft ends of the shell members form the removable protective nose cover for the submersible structure. The attachment clips can be operable to release the plurality of shell members from being held adjacent to the submersible structure when the structure moves through a liquid at a predefined speed.
대표청구항
▼
1. A removable protective nose cover for a submersible structure having a nose section, said removable protective nose cover comprising: a plurality of shell members, each of said plurality of shell members having a forward end and an aft end, each shell member also dimensioned to fit adjacent to an
1. A removable protective nose cover for a submersible structure having a nose section, said removable protective nose cover comprising: a plurality of shell members, each of said plurality of shell members having a forward end and an aft end, each shell member also dimensioned to fit adjacent to and around said nose section of the submersible structure forming a protective shell;a submerged inlet duct, said submerged inlet duct at least partially within one of said plurality of shell members:a central nose member having a locking member, said locking member operable to attach said central nose member to each of said forward ends of said plurality of shell members; anda plurality of attachment clips operable to attach adjacent aft ends of said plurality of shell members to each other, whereby attachment of said central nose member to each of said forward ends of said plurality of shell members and attachment of adjacent aft ends of said plurality of shell members to each other forms the removable protective nose cover for the submersible structure having the nose section. 2. The removable protective nose cover of claim 1, wherein said submerged inlet duct is formed by two attached and adjacent shell members. 3. The removable protective nose cover of claim 2, wherein said submerged inlet duct is formed by two adjacent aft ends of two attached and adjacent shell members. 4. The removable protective nose cover of claim 3, wherein at least one of said plurality of attachment clips is proximate said submerged inlet duct. 5. The removable protective nose cover of claim 4, wherein said at least one attachment clip covers at least part of said submerged inlet duct. 6. The removable protective nose cover of claim 5, wherein each of said plurality of attachment clips has a first end and a second end, said first end attachable to a first shell member on one side of said submerged inlet duct and said second end attachable to an adjacent second shell member on an opposite side of said submerged inlet duct, whereby attachment of said first and second ends of an attachment clip to said first and second shell member positions said attachment clip to cover at least part of said submerged inlet duct. 7. The removable protective nose cover of claim 1, wherein said central nose member has an undercut region and said forward end of each of said plurality of shell members has a tang dimensioned to fit at least partially within said undercut region, whereby said undercut region and said tang provide an interference fit between said central nose member and each of said forward ends of said plurality of shell members. 8. The removable protective nose cover of claim 1, further comprising a central nose foam piece, said central nose foam piece dimensioned to fit between said central nose member and the nose of the submersible structure, whereby said central nose foam piece fitting between said central nose member and the nose of the submersible structure provides an outward force onto said central nose member. 9. The removable protective nose cover of claim 1, further comprising a plurality of shell member foam pieces, each of said plurality of shell member foam pieces dimensioned to fit between a shell member and the submersible structure, whereby said plurality of shell member foam pieces fitting between said plurality of shell members and the submersible structure provides an outward force onto said plurality of shell members. 10. A removable protective nose cover for a submersible structure having a nose section, said removable protective nose cover comprising: a plurality of shell members, each of said plurality of shell members having a forward end and an aft end, each shell member also dimensioned to fit adjacent to and around said nose section of the submersible structure forming a protective shell;a plurality of submerged inlet ducts, each of said plurality of submerged inlet ducts formed by two attached and adjacent shell members each having said at least a portion of said submerged inlet duct therewithin;a central nose member having a locking member, said locking member operable to attach said central nose member to each of said forward ends of said plurality of shell members;a plurality of attachment clips operable to attach adjacent aft ends of said plurality of shell members to each other, whereby attachment of said central nose member to each of said forward ends of said plurality of shell members and attachment of adjacent aft ends of said plurality of shell members to each other forms the removable protective nose cover for the submersible structure having the nose section. 11. The removable protective nose cover of claim 10, wherein each of said plurality of submerged inlet ducts is formed by two adjacent aft ends of two attached and adjacent shell members. 12. The removable protective nose cover of claim 10, wherein each of said plurality of attachment clips at least partially covers one of said plurality of submerged inlet ducts submerged. 13. The removable protective nose cover of claim 12, wherein each of said plurality of attachment clips has a top surface and a bottom surface, said bottom surface located adjacent to the submersible structure when the removable protective nose cover is assembled onto the submersible structure, whereby liquid passing into each of said plurality of submerged inlet ducts creates a pressure difference between said top surface and said bottom surface of each of said plurality of attachment clips, the pressure difference seeking to move said bottom surface outwardly from the submersible structure. 14. The removable protective nose cover of claim 10, wherein each of said plurality of attachment clips has a spring, said spring operable to hold said bottom surface of each of said plurality of attachment clips adjacent to the submersible structure until a predefined pressure difference between said top surface and said bottom surface is exceeded. 15. A process for removing a protective nose cover from a submersible structure, the process comprising: providing a submersible structure, the submersible structure having a nose section;providing a protective nose cover for the submersible structure, the protective nose cover having: a plurality of shell members, each of said plurality of shell members having a forward end and an aft end, each shell member also dimensioned to fit adjacent to and around said nose section of the submersible structure forming a protective shell and having at least a portion of a submerged inlet duct therewithin;a central nose member having a locking member, said locking member operable to attach said central nose member to each of said forward ends of said plurality of shell members; anda plurality of attachment clips operable to attach adjacent aft ends of said plurality of shell members to each other, whereby attachment of said central nose member to each of said forward ends of said plurality of shell members and attachment of adjacent aft ends of said plurality of shell members to each other forms the removable protective nose cover for the submersible structure having the nose section;assembling the plurality of shell members, the central nose member and the plurality of attachment clips about the submersible structure in order to form the protective nose cover onto the submersible structure, the protective nose cover having a plurality of submerged inlet ducts therewithin;placing the submersible structure with the protective nose cover into a liquid;moving the submersible structure with the protective nose cover through the liquid at a predefined speed such that the liquid passes through the plurality of submerged inlet ducts and releases at least one of the plurality of attachment clips, whereby releasing at least one of the attachment clips allows central nose member and the plurality of shell members to fall away from the submersible structure and be removed therefrom. 16. The process of claim 15, wherein each of the plurality of attachment clips have a top surface and a bottom surface, the bottom surface being adjacent to the submersible structure when the plurality of shell members, the central nose member and the plurality of attachment clips are assembled about the submersible structure. 17. The process of claim 16, wherein the liquid passing through the plurality of submerged inlet ducts creates a pressure difference between the top surface and the bottom surface of each of the plurality of attachment clips, the pressure difference being greater than a predefined value and resulting in the release of the at least one attachment clips.
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