ROCKET NOSE ANTENNA CONE Russian patent published in 2003 - IPC

FIELD: aviation and rocket engineering; ceramic rocket nose cones. SUBSTANCE: radioparent envelope has internal radioparent power element of porous crystal ceramic with polymer introduced in pores and external heat-shielding element of porous crystal ceramic; thickness of internal power element is 0.05-0.1 of total thickness of envelope wall or gradually increases from nose to base up to value corresponding to 0.1-0.9 of total thickness of wall; thickness of external heat-shielding element varies in inverse proportion, total electrical thickness of envelope wall being retained; outer surface of heat-shielding element is covered with moisture-repelling coat. Power element of envelope may be quantized in vicinity of joint with invar frame. EFFECT: enhanced carrying capacity and reliability. 2 cl, 2 dwg