[특허]High-lift-device, wing, and noise reduction device for high-lift-device

MITSUBISHI HEAVY INDUSTRIES, LTD.

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High-lift-device, wing, and noise reduction device for high-lift-device

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-009/16 B64C-003/48 B64C-003/50
출원번호	US-0383702 (2010-07-12)
등록번호	US-9440729 (2016-09-13)
우선권정보	JP-2009-164869 (2009-07-13)
국제출원번호	PCT/JP2010/061777 (2010-07-12)
§371/§102 date	20120112 (20120112)
국제공개번호	WO2011/007759 (2011-01-20)
발명자 / 주소	Hirai, Makoto Takenaka, Keizo Imamura, Taro Yamamoto, Kazuomi Yokokawa, Yuzuru
출원인 / 주소	MITSUBISHI HEAVY INDUSTRIES, LTD.
대리인 / 주소	Wenderoth, Lind & Ponack, L.L.P.
인용정보	피인용 횟수 : 0 인용 특허 : 8

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In a high-lift-device, a wing, and noise reduction device for a high-lift-device that are capable of reducing noise generated when a flap is extended, preventing deterioration of aerodynamics characteristic when retracting the flap, and preventing an increase in weight, a flap main body (5) disposed so as to be extendable/retractable relative to a main wing and a protruding portion (6A-1) that smoothly protrudes at least at the vicinity of one end portion of a positive-pressure surface (PS) of the flap main body (5) in a direction away from the flap main...

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1. A high-lift-device comprising: a flap main body that is disposed so as to be extendable and retractable relative to a main wing; anda protruding portion that smoothly protrudes at least at a vicinity of a first end portion in a span direction of a positive-pressure surface of the flap main body in a direction away from the flap main body,wherein an amount of protrusion of the protruding portion from the flap main body smoothly increases from a leading edge side of the flap main body toward an intermediate portion of the flap main body,wherein the amount of protrusion of the protruding portion from the flap main body smoothly decreases from the intermediate portion of the flap main body toward a trailing edge side of the flap main body,wherein the amount of protrusion of the protruding portion from the flap main body smoothly increases from the first end portion of the flap main body toward the intermediate portion of the flap main body in the span direction,wherein the amount of protrusion smoothly decreases from the intermediate portion of the flap main body toward a second end portion of the flap main body in the span direction,wherein the protruding portion protrudes continuously from a side surface of the first end portion of the flap main body,wherein the protruding portion is a smooth, curved surface without an opening on the positive-pressure surface of the flap main body, andwherein the protruding portion is one of at most only two protruding portions located on the positive-pressure surface of the flap main body. 2. The high-lift-device of claim 1, wherein the protruding portion is formed so as to extend along the first end portion of the flap main body, and wherein end portions of the protruding portion at the leading edge side and the trailing edge side of the flap main body are shorter in the span direction of the flap main body as compared with substantially a center of the protruding portion. 3. The high-lift device of claim 1, wherein the protruding portion is formed so as to extend along an end portion of the flap main body, and wherein the length of the protruding portion in the span direction of the flap main body is substantially fixed. 4. A wing comprising: a main wing; andthe high-lift-device of claim 1,wherein the high-lift-device is extendable and retractable relative to a trailing edge of the main wing. 5. The high-lift device of claim 1, wherein the protruding portion is formed to have a semicircular cross-section. 6. The high-lift-device of claim 1, wherein the protruding portion is a first protruding portion located only at the first end portion of the flap main body and a second protruding portion is located only at the second end portion of the flap main body. 7. A noise reduction device comprising: an attachable main body configured to be attachable to and detachable from an end portion in a span direction of a flap main body which is disposed so as to be extendable and retractable relative to a main wing; anda protruding portion that smoothly protrudes from a surface of the attachable main body on a positive-pressure surface side of the flap main body in a direction away from the attachable main body,wherein the protruding portion is a smooth, curved surface without an opening on the positive-pressure surface side of the flap main body, andwherein the protruding portion is one of at most only two protruding portions located on the positive-pressure surface side of the flap main body. 8. The noise reduction device of claim 7, wherein the flap main body has an airfoil shape and the attachable main body is a member having substantially a same shape as the flap main body. 9. The noise reduction device of claim 7, wherein at least one bracket and at least one end-portion rib are disposed at an interior of the attachable main body. 10. The noise reduction device of claim 7, wherein the end portion of the flap main body is a first end portion of the flap main body, the protruding portion is a first protruding portion located only at the first end portion of the flap main body and a second protruding portion is located only at a second end portion of the flap main body. 11. A high-lift-device comprising: a flap main body that is disposed so as to be extendable and retractable relative to a main wing; anda protruding portion that smoothly protrudes at least at a vicinity of a first end portion in a span direction of a positive-pressure surface of the flap main body in a direction away from the flap main body,wherein an amount of protrusion of the protruding portion from the flap main body smoothly increases from a leading edge side of the flap main body toward an intermediate portion of the flap main body,wherein the amount of protrusion of the protruding portion from the flap main body smoothly decreases from the intermediate portion of the flap main body toward a trailing edge side of the flap main body,wherein the amount of protrusion of the protruding portion from the flap main body smoothly increases from the first end portion of the flap main body toward the intermediate portion of the flap main body in the span direction,wherein the amount of protrusion smoothly decreases from the intermediate portion of the flap main body toward a second end portion of the flap main body in the span direction,wherein the protruding portion protrudes continuously from a side surface of the first end portion of the flap main body,wherein the protruding portion does not protrude beyond a leading edge or a flap side edge end of the flap main body, andwherein the protruding portion is one of at most only two protruding portions located on the positive-pressure surface of the flap main body. 12. The high-lift-device of claim 11, wherein the protruding portion is formed so as to extend along the first end portion of the flap main body, and wherein end portions of the protruding portion at the leading edge side and the trailing edge side of the flap main body are shorter in the span direction of the flap main body as compared with substantially a center of the protruding portion. 13. The high-lift device of claim 11, wherein the protruding portion is formed so as to extend along an end portion of the flap main body, and wherein the length of the protruding portion in the span direction of the flap main body is substantially fixed. 14. A wing comprising: a main wing; andthe high-lift-device of claim 11,wherein the high-lift-device is extendable and retractable relative to a trailing edge of the main wing. 15. The high-lift device of claim 11, wherein the protruding portion is formed to have a semicircular cross-section. 16. The high-lift-device of claim 11, wherein the protruding portion is a first protruding portion located only at the first end portion of the flap main body and a second protruding portion is located only at the second end portion of the flap main body. 17. A noise reduction device comprising: an attachable main body configured to be attachable to and detachable from an end portion in a span direction of a flap main body which is disposed so as to be extendable and retractable relative to a main wing; anda protruding portion that smoothly protrudes from a surface of the attachable main body on a positive-pressure surface side of the flap main body in a direction away from the attachable main body,wherein the protruding portion does not protrude beyond a leading edge or a flap side edge end of the flap main body, andwherein the protruding portion is one of at most only two protruding portions located on the positive-pressure surface side of the flap main body. 18. The noise reduction device of claim 17, wherein the flap main body has an airfoil shape and the attachable main body is a member having substantially a same shape as the flap main body. 19. The noise reduction device of claim 17, wherein at least one bracket and at least one end-portion rib are disposed at an interior of the attachable main body. 20. The noise reduction device of claim 17, wherein the end portion of the flap main body is a first end portion of the flap main body, the protruding portion is a first protruding portion located only at the first end portion of the flap main body and a second protruding portion is located only at a second end portion of the flap main body.

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High-lift-device, wing, and noise reduction device for high-lift-device

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