HEAT ACCUMULATOR FOR GAS HEATING Russian patent published in 2001 - IPC

FIELD: heat power engineering, applicable in space equipment for heating of gases and fuel components of rocket engines, as well as in other branches of industry. SUBSTANCE: accumulator body is composed of interconnected internal sealed and external non-sealed bodies, the uniform gap between which is filled with heat insulation having a fibrous structure, the internal body accommodates the heat-accumulating members, it consists of sector members joined at longitudinal bosses on the side surfaces of the members and forming the internal cylindrical cavity for placement of the electric cylindrical heater, cylindrical ducts are positioned in the sector members in circumference, heat exchangers are installed in them in a push fit in the form of pipe-lines, whose walls are firmly fastened to the grain backfield, the pipe-line ends are fastened by caps-dissectors to the packers in the front and rear covers of the internal sealed body, forming collector cavities with the aid of two additional covers for gas inlet and outlet, besides, an external screen-vacuum heat insulation is positioned behind the external non-sealed body in the form of several groups of coaxial closed cylinders, installed on centering supports secured on the covers of the external body and having a decreasing thickness of walls from layer to layer. EFFECT: enhanced reserved thermal capacity and reliability. 2 cl, 2 dwg