IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0707168
(2010-02-17)
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등록번호 |
US-8201776
(2012-06-19)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
5 |
초록
▼
An airfoil comprising: a foam housing having a leading edge, a trailing edge, a first end, and a second end; a front spar at least generally extending proximal to and along the leading edge; a rear spar at least generally extending proximal to and along the trailing edge; and a center spar assembly
An airfoil comprising: a foam housing having a leading edge, a trailing edge, a first end, and a second end; a front spar at least generally extending proximal to and along the leading edge; a rear spar at least generally extending proximal to and along the trailing edge; and a center spar assembly located between the front spar and the rear spar, the center spar assembly including: at least one supporting member extending from the first end toward the second end; a sleeve extending from the first end toward the second end, the sleeve configured to receive a joining member; and an anchor positioned adjacent to the first end, the anchor configured for securing an end of the sleeve and an end of each one of the at least one supporting member at the first end.
대표청구항
▼
1. An airfoil comprising: a first foam portion for forming a first surface of the airfoil;a second foam portion for forming a second surface of the airfoil, the second foam portion and the first foam portion together defining a leading edge, a trailing edge, a first end, and a second end of the airf
1. An airfoil comprising: a first foam portion for forming a first surface of the airfoil;a second foam portion for forming a second surface of the airfoil, the second foam portion and the first foam portion together defining a leading edge, a trailing edge, a first end, and a second end of the airfoil;a front spar positioned between the first foam portion and the second foam portion, the front spar at least generally extending proximal to and along the leading edge of the airfoil;a rear spar positioned between the first foam portion and the second foam portion, the rear spar at least generally extending proximal to and along the trailing edge of the airfoil; anda center spar assembly positioned between the first foam portion and the second foam portion, the center spar assembly located between the front spar and the rear spar, the center spar assembly comprising: at least one supporting member extending from the first end of the airfoil toward the second end of the airfoil;a sleeve extending from the first end of the airfoil toward the second end of the airfoil, the sleeve configured to receive a joining member inserted through the first end of the airfoil, the length of the sleeve being less than the length of the at least one supporting member; andan anchor positioned adjacent to the first end of the airfoil, the anchor configured for securing an end of the sleeve and an end of each one of the at least one supporting member at the first end of the airfoil. 2. The airfoil of claim 1, wherein the center spar assembly comprises two supporting members extending from the first end of the airfoil toward the second end of the airfoil, a first of the two supporting members being positioned within the first foam portion of the airfoil, and a second of the two supporting members being positioned within the second foam portion of the airfoil. 3. The airfoil of claim 1, wherein at least one of the first portion and the second portion comprise rib-defining cavities. 4. The airfoil of claim 1, wherein the first portion and the second portion comprise at least one pair of self-aligning guides for facilitating alignment of the first foam portion and the second foam portion. 5. The airfoil of claim 1, further comprising a hinge system positioned at the trailing edge of the airfoil for receiving an aileron. 6. The airfoil of claim 1, wherein the anchor defines a receiving member for receiving an insert located proximal to the joining member. 7. The airfoil of claim 1, wherein the front spar and the rear spar comprise plywood. 8. The airfoil of claim 1, wherein the at least one supporting member comprises carbon fiber. 9. The airfoil of claim 1, wherein the sleeve comprises fiberglass material. 10. The airfoil of claim 1, wherein the anchor comprises elastomeric polymer material. 11. A method of constructing an airfoil, comprising: providing a first portion for forming a first surface of the airfoil, the first portion comprising a leading edge, a trailing edge, a first end, and a second end, the first portion having a front slot at least generally extending proximal to and along the leading edge, the first portion having a rear slot at least generally extending proximal to and along the trailing edge, and the first portion having a center slot located between the front slot and the rear slot;inserting a front spar into the front slot;inserting a rear spar into the rear slot;inserting a center spar assembly into the center slot, the center spar assembly comprising: at least one supporting member extending from the first end toward the second end;a sleeve extending from the first end toward the second end, the sleeve configured to receive a joining member inserted through the first end, the length of the sleeve being less than the length of the at least one supporting member; andan anchor positioned adjacent to the first end, the anchor configured for securing an end of the sleeve and an end of each one of the at least one supporting member; andproviding a second portion for forming a second surface of the airfoil, wherein the front spar, the rear spar and the center spar assembly are positioned between the first portion and the second portion. 12. The method of constructing an airfoil of claim 11, wherein the center spar assembly comprises two supporting members extending from the first end of the airfoil toward the second end of the airfoil, a first of the two supporting members being positioned within the first portion of the airfoil, and a second of the two supporting members being positioned within the second portion of the airfoil. 13. The method of constructing an airfoil of claim 11, wherein at least one of the first portion and the second portion comprise rib-defining cavities. 14. The method of constructing an airfoil of claim 11, wherein the first portion and the second portion comprise at least one pair of self-aligning guides for facilitating alignment of the first portion and the second portion. 15. The method of constructing an airfoil of claim 11, further comprising: placing a hinge system at the trailing edge of the airfoil for receiving an aileron. 16. The method of constructing an airfoil of claim 11, wherein the anchor defines a receiving member for receiving an insert located proximal to the joining member. 17. The method of constructing an airfoil of claim 11, wherein the first portion and the second portion comprise foam material, the front spar and the rear spar comprise plywood, the at least one supporting member comprises carbon fiber, the sleeve comprises fiberglass material, and the anchor comprises elastomeric polymer material. 18. An apparatus comprising: a foam housing having a leading edge, a trailing edge, a first end, and a second end; anda center spar assembly positioned in the foam housing, the center spar assembly comprising: at least one supporting member extending from the first end of the foam housing toward the second end of the foam housing;a sleeve extending from the first end of the foam housing toward the second end of the foam housing, the sleeve configured to receive a joining member inserted through the first end of the foam housing, the length of the sleeve being less than the length of the at least one supporting member; andan anchor positioned adjacent to the first end of the foam housing, the anchor configured for securing an end of the sleeve and an end of each one of the at least one supporting member at the first end of the foam housing. 19. The apparatus of claim 18, further comprising: a front spar positioned in the foam housing, the front spar extending proximal to and along the leading edge of the foam housing; anda rear spar positioned in the foam housing, the rear spar extending proximal to and along the trailing edge of the foam housing;wherein the center spar assembly is configured to be located between the front spar and the rear spar. 20. The apparatus of claim 18, further comprising: a hinge system positioned at the trailing edge of the foam housing for receiving an aileron.
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