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51. 发明授权

US4638961A Maneuverable parachute 失效
标题翻译：机动降落伞
公开(公告)号：US4638961A
公开(公告)日：1987-01-27
申请号：US636026
申请日：1984-07-30
申请人： Jacques R. Rousseau
发明人： Jacques R. Rousseau
IPC分类号： B64D17/14 , B64D17/00
CPC分类号： B64D17/14
摘要： The present invention relates to a polymaneuverable canopy and to a process for its control by a parachutist. This canopy comprises windows distributed symmetrically in relation to a main plane of symmetry XY, and control lines connecting together the various windows in such a manner that a pull on one line (3) causes a rotation of the canopy to the right, while a pull on two lines (3, 4) causes a braking or rearward displacement of the canopy when the lines are situated one on each side of the plane of symmetry, and a pull on two lines (3, 5) situated on the same side of the plane of symmetry XY brings about a straight lateral displacement of the canopy.
摘要翻译：本发明涉及一种多可恢复的冠层及其由一位飞行员控制的方法。该冠层包括相对于主对称XY平面对称分布的窗口，以及将各种窗口连接在一起的控制线，使得一条线（3）上的拉力使得顶盖向右旋转，同时拉动当线路位于对称平面的每一侧上时，在两条线（3,4）上引起罩盖的制动或向后位移，并且位于同一侧上的两条线（3,5）上的拉力对称平面XY产生了冠层的直线横向位移。

52. 发明授权

US3559931A Stability device for parachutes 失效
标题翻译：对于PARACHUTES的稳定性设备
公开(公告)号：US3559931A
公开(公告)日：1971-02-02
申请号：US3559931D
申请日：1968-07-23
申请人： RAVEN IND INC
发明人： POHL RUSSELL A
IPC分类号： B64D17/52 , B64D17/14
CPC分类号： B64D17/52
摘要： An improved parachute which has a burble fence attached to the outer portion of the canopy in order to cause separation of the air flowing over the outer surface of the canopy at the same location at all times. This eliminates oscillations which are caused with conventional parachutes due to the nonuniform separation of the smooth flow of air over the canopy.

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