[특허]Aerodynamic roof lift-prevention device

Aerodynamic roof lift-prevention device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04H-009/14
출원번호	US-0622747 (2007-01-12)
등록번호	US-8549798 (2013-10-08)
발명자 / 주소	VandenBerg, Charles J.
출원인 / 주소	VandenBerg, Charles J.
대리인 / 주소	Price Heneveld LLP
인용정보	피인용 횟수 : 0 인용 특허 : 35

초록 ▼

A turbulence-creating device is mounted to the roof, such that high winds flowing across the roof are caused to become turbulent, thereby interfering with the laminar flow and lift which would otherwise be created. The turbulence-creating devices comprise generally V-shaped or curved spoilers, many of which are pivotally mounted to a vertical mast attached to the roof such that the spoilers face in the direction of the oncoming wind and are shaped to disturb the laminar flow, thereby preventing lift from being generated. In some embodiments, fixed omnidirectional spoilers with curved sides are provided.

대표청구항 ▼

1. An air turbulence-creating device for a roof comprising: a spoiler including a center section and a pair of opposing legs lying in a common plane that extends generally parallel to the roof and only rotating within the plane when in a building-mounted position, the spoiler defining a shape configured to cause the opposing legs to point toward a downwind direction; anda rotatable mount for mounting said spoiler to the roof, such that the spoiler aligns with the wind. 2. The device as defined in claim 1 wherein said spoiler has a concave body along a vertical axis. 3. The device as defined in claim 2 wherein said spoiler is generally V-shaped with a pair of legs which converge at an angle of from about 90° to about 150°. 4. The device as defined in claim 1 wherein said spoiler has a curved body which circumscribes an arc of from about 90° to about 140°. 5. The device as defined in claim 1 wherein said spoiler has a plurality of apertures extending therethrough. 6. The device as defined in claim 1 wherein said spoiler has a raised portion in the center section. 7. The device as defined in claim 6 wherein said raised section includes an aperture and a freewheeling fan mounted within said aperture. 8. The device as defined in claim 6 wherein said raised section includes an aperture and a wind-driven generator mounted within said aperture. 9. The device defined in claim 1, wherein the plane extends generally horizontally. 10. The device defined in claim 1, wherein the shape of the spoiler includes a front surface defining a forward-facing concavity. 11. A system for preventing a roof from being damaged by excessive wind comprising: a plurality of airfoils positioned at spaced locations on the roof, wherein each of said airfoils comprises a spoiler and a rotatable mount for mounting each of said spoilers to the roof; the spoilers each including a center section and a pair of opposing legs lying in a common plane that extends generally parallel to the roof and only rotating within the plane when in a building-mounted position, the airfoils each defining a shape configured to cause the opposing legs to point toward a downwind direction. 12. The system as defined in claim 11 wherein said spoilers are generally V-shaped. 13. The device as defined in claim 12 wherein said spoiler is generally V-shaped with a pair of legs which converge at an angle of from about 90° to about 150°. 14. The system as defined in claim 11 wherein said spoilers are generally curved. 15. The device as defined in claim 14 wherein said spoiler has a curved body which circumscribes an arc of from about 90° to about 140°. 16. The device as defined in claim 11 wherein said spoiler has a plurality of apertures extending therethrough. 17. The device as defined in claim 11 wherein said spoiler has a raised portion in the center section. 18. The device as defined in claim 17 wherein said raised section includes an aperture and a freewheeling fan mounted within said aperture. 19. The device as defined in claim 17 wherein said raised section includes an aperture and a wind-driven generator mounted within said aperture. 20. The device defined in claim 11, wherein the plane extends generally horizontally. 21. The device defined in claim 11, wherein the shape of the spoiler includes a front surface defining a forward-facing concavity. 22. An air turbulence-creating device for a roof comprising: a spoiler including a center section and a pair of opposing legs defining a configured shape with an aerodynamic front surface configured to cause air turbulence, the front surface defining an upwind-facing concavity; anda rotatable mount for mounting said spoiler to a roof, such that the spoiler aligns with the wind. 23. The device defined in claim 22, wherein a vertical cross section through a middle of each of the legs includes a recess forming the concavity. 24. The device defined in claim 22, wherein the legs define a common plane extending generally parallel to the roof. 25. A system for preventing a roof from being damaged by excessive wind comprising: a plurality of airfoils positioned at spaced locations on the roof, wherein each of said airfoils comprises a spoiler and a rotatable mount for mounting each of said spoilers to a roof; the spoilers each including a center section and a pair of opposing legs defining a configured shape with an aerodynamic front surface configured to cause air turbulence, the front surface defining an upwind-facing concavity.

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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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Aerodynamic roof lift-prevention device 원문보기

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Aerodynamic roof lift-prevention device 원문보기

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