SPACECRAFT AT REGULAR ORIENTATION RELATIVE TO SUN Russian patent published in 2005 - IPC

FIELD: space engineering; spacecraft flying in geostationary or high-altitude elliptical orbits.

SUBSTANCE: proposed spacecraft has module case with projecting members. Two opposite faces of each module perform function of radiators with built-in thermal tubes. Arranged in modules are engine unit and some heat-loaded units and onboard devices (number n). Other units (number k) , for example metal-hydrogen storage batteries are secured to engine unit and are heat-insulated from first units. Units and devices are secured to engine unit by means of brackets through heat-insulating gaskets. Unit is made in form of three-layer honeycomb panel where thermal tubes with heaters are laid. Each of k-units has thermal contact with axial U-shaped thermal tube embracing them. This thermal tube is brought in contact with evaporator of loop thermal tube connected with radiator by means of vapor line which is communicated with loop thermal tube and its evaporator through condensate lines. Radiators are mounted beyond boundaries of projecting parts shading zones on side of extravehicular space.

EFFECT: increased cooling effect of spacecraft temperature control system; reduction of mass of this system.

2 cl, 4 dwg