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    Reconfiguration control system for an aircraft wing
    41.
    发明公开
    Reconfiguration control system for an aircraft wing 失效
    RekonfigurierungssystemfüreinenFlugzeugtragflügel

    公开(公告)号：EP0899190A2

    公开(公告)日：1999-03-03

    申请号：EP98202463.0

    申请日：1998-07-22

    Applicant: McDonnell Douglas Corporation

    Inventor： Wakayama, Sean R.

    IPC: B64C9/12 ,  B64C3/10

    CPC classification number: B64C39/10 ,  B64C3/10 ,  B64C9/12 ,  B64C2039/105 ,  Y02T50/12 ,  Y02T50/32 ,  Y02T50/44

    Abstract: Independently deflectable control surfaces are located on the trailing edge of the wing of a blended wing-body aircraft. The reconfiguration control system of the present invention controls the deflection of each control surface to optimize the spanwise lift distribution across the wing for each of several flight conditions, e.g., cruise, pitch maneuver, and high lift at low speed. The control surfaces are deflected and reconfigured to their predetermined optimal positions when the aircraft is in each of the aforementioned flight conditions. With respect to cruise, the reconfiguration control system will maximize the lift to drag ratio and keep the aircraft trimmed at a stable angle of attack. In a pitch maneuver, the control surfaces are deflected to pitch the aircraft and increase lift. Moreover, this increased lift has its spanwise center of pressure shifted inboard relative to its location for cruise. This inboard shifting reduces the increased bending moment about the aircraft's x-axis occasioned by the increased pitch force acting normal to the wing. To optimize high lift at low speed, during take-off and landing for example, the control surfaces are reconfigured to increase the local maximum coefficient of lift at stall-critical spanwise locations while providing pitch trim with control surfaces that are not stall critical.

    Abstract translation: 独立可偏转的控制表面位于混合翼体飞机的翼的后缘。 本发明的重新配置控制系统控制每个控制表面的偏转，以优化在几个飞行条件（例如巡航，俯仰机动和低速下的高升程）中的每一个的机翼上的翼展方向升力分布。 当飞行器处于上述每个飞行条件时，控制面被偏转并重新配置到其预定的最佳位置。 关于巡航，重新配置控制系统将使提升阻力比达到最大，并保持飞机修整成一个稳定的迎角。 在俯仰操纵中，控制面被偏转以使飞机俯仰并增加升力。 此外，这种增加的升力，其翼展中心的压力相对于其巡航位置在内侧移动。 这种内侧换档减少了由于垂直于机翼的增加的俯仰力引起的飞机X轴的增加的弯矩。 为了优化在低速下的高升程，例如在起飞和着陆期间，控制表面被重新配置，以增加在失速临界翼展方向位置处的局部最大升力系数，同时为不关键的控制面提供桨距修剪。

    FABRICATION OF LARGE HOLLOW COMPOSITE STRUCTURE
    43.
    发明公开
    FABRICATION OF LARGE HOLLOW COMPOSITE STRUCTURE 失效
    大型复合材料结构制造HOHLFORMIGEN

    公开(公告)号：EP0833733A1

    公开(公告)日：1998-04-08

    申请号：EP96915621.0

    申请日：1996-05-10

    Applicant: McDONNELL DOUGLAS CORPORATION

    Inventor： REILING, Henry, E., Jr.

    IPC: B29C33 ,  B29C70

    CPC classification number: B29C70/446 ,  B29C33/0011 ,  B29C33/3857

    Abstract: A method for fabricating a composite structure such as an aircraft radome (20) includes preparing seamless female support mold (76)/caul plate (78) tooling, and seamless male support mold (114)/vacuum bag (124) tooling. An uncured composite structure is collated on the external surface of the male support mold (114)/vacuum bag (124) tooling, and then transferred to the female support mold (76)/caul plate (78) tooling for curing. The female support mold (76)/caul plate (78) tooling defines the outer surface of the final composite structure (132), permitting the outer surface to be smooth and of an aerodynamic shape.

    AIRCRAFT CARGO HANDLING SYSTEM
    44.
    发明授权
    AIRCRAFT CARGO HANDLING SYSTEM 失效
    飞机货物装卸系统

    公开(公告)号：EP0569546B1

    公开(公告)日：1997-01-02

    申请号：EP92906953.2

    申请日：1992-01-27

    Applicant: McDONNELL DOUGLAS CORPORATION

    Inventor： RAWDON, Blaine, K. ,  ROHRLICK, Myles, A.

    IPC: B64D9/00 ,  B64C1/22

    CPC classification number: B64D9/00 ,  B64C1/22

    Abstract: An on-board aircraft cargo handling system comprises a plurality of tines (34) which are mounted within a cargo ramp and beneath its surface and are capable of extension aft of the ramp across a truck bed or the like. The tines have a plurality of rollers (36) extending above their top surfaces for permitting easy movement of cargo across the tines. The ends of the tines are tapered to allow them to be pushed under the cargo to be moved. Pallet retainers, which consist of arm members which have finger-like projections on one end for allowing interengagement of the arm members with notches (30) on the cargo, are mounted to the cargo ramp in such a way as to permit movement of the arms for aligning them with the cargo notches. Additionally, the cargo ramp surface includes pop-up chocks, which may be extended above the surface to lift the cargo, thus permitting forklift tines to be slid underneath. In a modified embodiment, the tines are mounted in open channels within the ramp, so that they are flush with the surface of the ramp in their retracted mode. Retractable friction brakes are employed on the surface of the tines, thus permitting the cargo to be moved in conjunction with the tines when the tines are being extended or retracted. The advantage of the invention is that cargo may be moved directly and quickly from the aircraft to a truck cargo bed (or vice-versa) without the use of ground-based material handling equipment.

    TENDON SUSPENDED PLATFORM ROBOT
    45.
    发明公开
    TENDON SUSPENDED PLATFORM ROBOT 失效
    用绳索悬浮平台ROBOT

    公开(公告)号：EP0696948A1

    公开(公告)日：1996-02-21

    申请号：EP94931275.0

    申请日：1994-09-12

    Applicant: MCDONNELL DOUGLAS CORPORATION

    Inventor： THOMPSON, Clark, James ,  CAMPBELL, Perry, Durell, Jr.

    IPC: B25J1 ,  B25J5 ,  B25J9 ,  B25J17

    CPC classification number: B25J9/1085 ,  B25J5/00 ,  B25J9/0078 ,  B25J17/0266

    Abstract: A robot (13) is comprised of a platform (29), tendons (14, 15, 17, 19, 21, 23, 25 and 27) and a control unit (64). The platform (29) contains proximal reels (33, 35, 37, 39, 41, 43, 45 and 47) for the storage, retraction and extension of the tendons, with each tendon having a reel. Platform (29) also includes a master computer (65) for receiving commands from robot controls (78) and for responsively controlling and coordinating the operation of the reels. The distal ends of the tendons are anchored at separate locations. The robot (13) has a work space (73, 74) which is primarily determined by the location of the tendon anchors, although an expanded work space (75) can be obtained by having pairs of tendons cross each other in between the platform (29) and their distal anchor points. The platform (29) is translated and rotated in the work space by controlling the lengths of the tendons extending from their respective reels. When used with at least six tendons and reels, the platform (29) has six degrees of freedom: translation in three axes and rotation about each of the foregoing three axes.

    SAGNAC INTERFEROMETER BASED SECURED COMMUNICATION SYSTEM
    46.
    发明公开
    SAGNAC INTERFEROMETER BASED SECURED COMMUNICATION SYSTEM 失效
    ON萨格纳克干涉仪基于拦截安全通讯系统。

    公开(公告)号：EP0611504A1

    公开(公告)日：1994-08-24

    申请号：EP93920212.0

    申请日：1993-08-19

    Applicant: McDONNELL DOUGLAS CORPORATION

    Inventor： UDD, Eric

    IPC: H04B10

    CPC classification number: H04B10/85 ,  G01M11/39

    Abstract: Système de transmission par fibres optiques protégé (30, 120, 130, 170, 190, 220, 250, 270, 330, 380, 685, 700, 900, 1100, 1200 ou 1290) pouvant fonctionner avec des débits de transfert de données de dizaines de gigabits, ce système utilisant une paire de câbles à fibres optiques (110 et 112) monomodes associée à une ou plusieurs sources de lumière (36; 314 et 316; 388, 390, et 392; 1127 et 1133; 1201 et 1247; ou 1301 et 1315), des modulateurs (58; 286 et 310; 418, 420 et 422; 1101 et 1103, ou 1303 et 1317), des détecteurs (76, 310 et 328; 424, 426 et 428; 1109, 1111, 1113, et 1115, ou 1307 et 1307) et des éléments brouillant la polarisation (40 et 71; 288 et 308; 394, 396, 398, 430, 432 et 434) pour former un interféromètre Sagnac. Le modulateur de phase (58; 286 et 310; 418, 420, et 422; 1101 et 1103, ou 1303 et 1317) est commandé de sorte que les faisceaux de lumière (52, 54, 58, et 68; ou 438 et 440) se propageant en sens inverse dans la boucle Sagnac (56, 290, 306, 436, 1304 ou 1314) suivent un chemin optique différent après avoir traversé la boucle. Lorsque les deux faisceaux (52, 54, 58, et 68; ou 438 et 440) sont recombinés sur le séparateur de faisceau central (44, 274, 302, 400, 402, 404, 1105, ou 1107) de la boucle Sagnac (56, 290, 306, 436, 1304 ou 1314) les deux faisceaux (52, 54, 58, et 68; ou 438 et 440) interfèrent l'un avec l'autre et les données appliquées sous forme de modulation de phase sur les faisceaux de lumière (52, 54, 58 et 68; ou 438 et 440) par le modulateur de phase (58; 286 et 310; 418, 420 et 422; 1101 et 1103, ou 1303 et 1317) sont récupérées sous forme de modulation d'amplitude sur le détecteur de sortie de l'interféromètre Sagnac. Le système (30, 120, 130, 170, 190, 220, 250, 270, 330, 380, 685, 700, 900, 1100, 1200 ou 1290) peut être configuré pour fonctionner en duplex intégral sur deux fibres optiques en utilisant de la lumière à des longueurs d'ondes différentes ou des données de multiplexage à répartition dans le temps. Le système (30, 120, 130, 170, 190, 220, 250, 270,

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