SPACECRAFT THERMAL CONTROL DEVICE Russian patent published in 2024 - IPC B64G1/50 

FIELD: astronautics; thermal control means.

SUBSTANCE: invention relates to spacecraft thermal control means. Disclosed device includes one or more protective screens (1) consisting of frame (2) with polyimide film (3) stretched on it, the inner surface of which (for example, metallized layer (4)) has a low degree of blackness. On outer surface (6) of the spacecraft there is thermal control coating (TCC 5). Protective screens (1) are fixed at a distance of at least 1 mm from outer surface of spacecraft and are designed for evaporation of film (3) under action of space factors by the end of spacecraft operation. During this period, the spacecraft radiating surface, which has not been subjected to degradation of thermo-optical characteristics, which is not protected by shields, considerably exceeds the surface of the shields.

EFFECT: reduction of electric power required for compensation of uncontrolled heat losses from spacecraft surfaces at the beginning of its operation in orbit, as well as providing a thermal mode at the end of operation, without increasing the total area of the TCC.

1 cl, 3 dwg