Title:
任意に成形された展開可能なメッシュリフレクタ
Document Type and Number:
Japanese Patent JP5542878
Kind Code:
B2
Abstract:
A method and apparatus for making a mesh reflector that may be used to produce a shaped reflector is provided. The mesh reflector may be an umbrella-style deployable mesh reflector capable of approximating both parabolic and arbitrarily shaped reflecting surfaces, including those with regions of reversed curvature. The reflecting surface may be provided by a soft mesh attached to a highly pre-tensioned net composed of two sets of substantially parallel chords forming a plurality of parallelogram-shaped facets. The net/mesh may be made to conform to the desired shape by pulling and/or pushing on it at each of its facet corners via a set of finely adjustable tension ties and/or compression rods, the distal ends of which react against a set of pre-tensioned catenary-shaped chords disposed on the aft side of the mesh. The net/mesh and the aft catenaries may be supported and pretensioned by a set of substantially stiff radial ribs connected to a central hub by a means capable of providing high deployment torque and a means for controlling and coordinating the deployment of the ribs so that they reach their fully deployed positions nearly simultaneously. Methods for fabricating the mesh and attaching it to the net are also provided.
Inventors:
Bacilli, サミール F
Application Number:
JP2012150462A
Publication Date:
July 09, 2014
Filing Date:
July 04, 2012
Export Citation:
Assignee:
The Boeing company The Boeing Company
International Classes:
H01Q15/16; H01Q15/20
Attorney, Agent or Firm:
Yoshitaka Sonoda
Yoshinori Kobayashi
Yoshinori Kobayashi
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