SATELLITE TEMPERATURE CONTROL SYSTEM Russian patent published in 2008 - IPC B64G1/50 

FIELD: space engineering; satellite temperature control systems.

SUBSTANCE: proposed system has hermetic instrument container filled with heat-transfer agent and made in form of envelope of body of revolution, onboard equipment units located inside container, fan placed in casing and two radiators mounted on different sides of container. Radiator inlets are connected with container interior and outlets are connected with fan casing inlet by means of gas ducts. Container is made in form of cylinder; its axis is perpendicular to satellite axis. Radiators of temperature control system are mounted in parallel relative to cylinder butts. Gas ducts are laid inside instrument bay. Satellite temperature control system is provided with two temperature sensors, control unit and multi-position gate valves. Two gate valves are mounted at butt of radiator and gas duct outlets. Two other gate valves are mounted in gas duct walls. Temperature sensor outputs are connected with control unit inputs and control unit output are connected with gate valve inputs. Temperature sensors are mounted on two heat shields which are thermally insulated from radiators. Thermal physical characteristics of heat shields are identical to those of radiators; their planes are matched with radiator planes.

EFFECT: enhanced accuracy of temperature control inside instrument bay.

2 cl, 1 dwg