FLEXIBLE PIPE LINE Russian patent published in 1995 - IPC

FIELD: aircraft and space engineering. SUBSTANCE: flexible pipe line has inner and outer shells, end valving, and resilient pipe. The pipe is wound in spiral, filled with gas, and mounted between the shells. The outer shell is made of a braiding. The inner shell is made of a polymer and corrugated over the screw line. The pipe filled with gas is interposed between the corrugations of the inner shell and is multi- sectional. Each section is coupled with the adjacent section through orifices. The volumes of sections of the flexible pipe are different. The end valving is provided with the charging connecting pipe coupled with the inner space of the multi-sectional flexible pipe. EFFECT: enhanced reliability. 3 cl, 3 dwg