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Device for coupling a balloon envelope with an element external to the envelope
| Details |
Inventors: Regipa, Robert;
Assignee: Centre National d'Etudes Spatiales (C.N.E.S.) (Paris, FR)
Primary Examiner: Barefoot; Galen
Assistant Examiner:
Attorney, Agent or Firm: Dutton, Jr.; Harold H.
A device for coupling a flexible envelope (1) to an external element including a ballonet (3) with two fasteners (4, 5) located in such a manner as to define the upper and lower poles of said ballonet, one of the fasteners (5) being linked by coupling members (2, 16) fitted to position the ballonet with respect to the envelope (1) in such a manner as to create a contact surface Z1 between said ballonet and the envelope (1), the second fastener (4) being linked to the external element by link means (8-15) including drive means to set the ballonet (3) in rotation; this device makes it possible to transmit large point forces or torques between an external element and an envelope, especially a space-balloon envelope. |
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DETAILED DESCRIPTION I claim: 1.
A coupling device for coupling a flexible ballon envelope (1) having symmetry of revolution about an axis, with an external element, said device comprising: a ballonet (3) made of flexible material, having symmetry of revolution about an axis and having two fasteners (4, 5) located on the axis of revolution on two opposite zones of the surface of said ballonet, said fasteners (4, 5) being connected to a harness of high tensile-strength cables (7, 17) for providing their relative positioning, in a position where at least one of said fasteners (5) is kept away from the corresponding zone of the surface of said ballonet, means (2, 16) for coupling the envelope and one of said fasteners (5) of the ballonet (3), fitted to position the axis of revolution of said ballonet approximately in the extension of the axis of revolution of the envelope, so as to create a contact surface (Z1) between said ballonet (3) and said envelope, away from said axis of revolution, and link means (8-15) for connecting the other of said fasteners (4) of said ballonet (3) to the external element.
2.
A coupling device as in claim 1 and wherein the diameter of the ballonet cross-section is essentially between one-fourth and one-third the diameter of the cross-section of the envelope (1).
3.
A coupling device as in claim 1 and wherein the ballonet (3) includes fasteners (4, 5) having symmetry of revolution about the axis of revolution of the ballonet and defining different diameters in a plane which is orthogonal to said axis of revolution, the fastener (4) linked to the external element defining a diameter larger than the diameter of the fastener (5) linked to the envelope (1).
4.
A coupling device as in claim 3, and wherein said ballonet (3) opposite the envelope is provided with a fastener (4) defining within a plane orthogonal to its axis of revolution a diameter which is approximately one-third to three-fourths the diameter of the cross-section of the ballonet (3).
5.
A coupling device as in claim 1 and wherein the link means (8-15) include drive means (8, 11, 12, 13, 14, 15) to drive said ballonet (3) into rotation essentially about the ballonet axis of revolution
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Exercise Devices 
