FIELD: heat setting systems for precision devices such as parabolic antennas. SUBSTANCE: radially disposed stiffness members of parabolic antenna reflector frame are air-tight structures having air ducts closed with metal sheet. Auxiliary cavity installed between this sheet and frame-mounted heat-insulating cover is provided with auxiliary cavity communicating with cavity for air blowdown over reflector edge and in central part. EFFECT: enhanced heat-setting efficiency of reflector. 6 cl, 3 dwg
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Authors
Dates
2003-06-27—Published
2000-12-08—Filed