[특허]Feedback-stabilized aerodynamically overbalanced lifting/control surface for aircraft

[미국특허] Feedback-stabilized aerodynamically overbalanced lifting/control surface for aircraft 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-009/10
출원번호	US-0048864 (1993-04-16)
발명자 / 주소	Loewy Robert G. (Loudonville NY) Miao Wen-Liu (Trumbull CT)
출원인 / 주소	United Technologies Corp. (Hartford CT 02)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

An airfoil of an aircraft is provided with one or more control flaps which are pivotally mounted on the airfoil in an aeromechanically unstable manner. The trailing edges of the control flaps are provided with one or more control tab zones which include trailing portions that deform in response to application of electrical current, heat or pressure thereto. The pitch of the airfoil is constantly controlled by selectively deforming the control tab zones in response to measured signals indicative of variations in fluid pressure acting upon, or motion of the unstable control flaps. The impetus for moving the control system is thus derived from the air-stream through which the aircraft moves. The control system can also be utilized in watercraft, with the operating impetus being derived from the water stream through which the craft moves.

대표청구항 ▼

A control system for use in controlling the direction of movement of a craft through an oncoming fluid stream, said control system comprising a control member mounted on the craft for rotational movement relative to the oncoming fluid stream about a hinge line which renders the control member substantially mechanically unstable when rotated to any position angularly offset from a reference neutral position relative to the direction of flow of the oncoming fluid stream, said control member having a rounded leading edge facing into the oncoming fluid stream, and a tapered trailing edge, said trailing edge being provided with at least one tab zone therein which will deform when subjected to electrical energy and which is operable, when deformed, to alter the angle of attack of the control member relative to the oncoming fluid stream; means for measuring an actual angle of deflection of said control member away from said neutral position; and electrical energy control means operably connected to said means for measuring, said electrical energy control means being operable to selectively vary the electrical energy applied to said tab zone in response to variations in the actual control member angle of deflection.

이 특허를 인용한 특허 (24) 인용/피인용 타임라인 분석

Alan J. Bilanin ; Robert M. McKillip, Jr., Actuating device with at least three stable positions.
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McKillip ; Jr. Robert M., Actuating device with multiple stable positions.
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Andrew E. Uttley GB; Peter William Chambers GB; Nigel Blackwell GB; Brian Weller GB, Actuator system for aerospace controls and functions.
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DiCocco, Jack; Prince, Troy; Patel, Mehul; Ng, Tsun Ming Terry, Aircraft and missile afterbody flow control device and method of controlling flow.
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DiCocco,Jack; Prince,Troy; Patel,Mehul; Ng,Tsun Ming Terry, Aircraft and missile afterbody flow control device and method of controlling flow.
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Caton John Harold ; Hobey Michael James ; Groeneveld John David ; Jacobs Jack Howard ; Wille Robert Henry ; Brase ; Jr. Lawrence Otto, Control surface for an aircraft.
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Nguyen Thang D. ; Gowing Scott, Control tab assisted lift reducing system for underwater hydrofoil surface.
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Ratliff, Ryan Todd, Fault tolerant flight control system.
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Vig John R. ; Waugh Steven W., Guided artillery projectile and method.
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Prince, Troy S.; Kolacinski, Richard; Patel, Mehul, Hierarchical closed-loop control system for aircraft, missiles and munitions.
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Spiller, Olaf, High lift system for an aircraft and method for detecting faults in a high lift system for an aircraft.
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Antony Richard Elms AU, Hydrofoil device.
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Carroll, Christian A., Inlet guide vanes and gas turbine engine systems involving such vanes.
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Martin Willi,DEX ; Siegling Hans-Friedrich,DEX ; Kuhn Marcel,DEX ; Himmel Norbert,DEX, Load carrying structure having variable flexibility.
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Everett, Michael Louis; Everett, Louis Jackson; Ruiz, Jr., Mario, Method and apparatus for automatically controlling aircraft flight control trim systems.
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Matalanis, Claude G.; Kuczek, Andrzej Ernest; Chaudhry, Zaffir A.; Wake, Brian E.; Lakamraju, Vijaya Ramaraju; Finn, Alan Matthew; Sun, Fanping; Jonsson, Ulf J., Modular integrated device for rotor blade control.
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Houser, Russell A.; Hare, William D., Motorized vehicles with deflectable components.
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Harke, Michael C., Multi-actuator motion control system.
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Luo, Jia, Multi-axis trim processing.
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Breitbach Elmar J.,DEX ; Bein Thilo,DEX, Profile edge of an aerodynamic profile.
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Firnhaber, Michael C, Rigid and rotatable vanes molded within variably shaped flexible airfoils.
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Grohmann, Boris; Maucher, Christoph; Altmikus, Andree; Mangelsdorf, Stephan, Rotor blade for a rotary wing aircraft.
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Wood,Jeffrey H, Shape changing structure.
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Brislawn Mark G., Vehicle control system and method employing control surface and geared tab.
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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

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[미국특허] Feedback-stabilized aerodynamically overbalanced lifting/control surface for aircraft 원문보기