Communications: radio wave antennas – Antennas – Antenna components
Patent
1995-01-17
1996-05-07
Hajec, Donald T.
Communications: radio wave antennas
Antennas
Antenna components
343915, 135 29, 135 31, H01Q 1514, H01Q 1520
Patent
active
055150675
ABSTRACT:
A foldable self-supporting vaulted shell for use in space, the shell comprising a thin flexible membrane and a plurality of thin battens forming ribs for tensioning said membrane. Each of the battens has a first main face and a second main face, one of the main faces facing the membrane. The membrane includes guide pocket for said battens. The guide pocket terminating at at least one end by abutment-forming end-reception means for receiving corresponding ends of the battens, and forming abutments such that in a deployed condition, the ends of the battens transmit axial force to the membrane. As a result tensioning of the membrane occurs. The shell occupies a small volume in its folded condition for storage in a launcher for the purpose of being placed into orbit. Such a shell is suitable for making microwave antennas. The invention also relates to a method of packaging such a shell.
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Agence Spatiale Europenne
Hajec Donald T.
Le Hoang-anh
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