BALANCED COMPENSATOR Russian patent published in 1994 - IPC

FIELD: manufacture of flexible pipe lines. SUBSTANCE: mounted in succession between connecting branch pipes are working bellows. Arranged concentrically above these bellows is unloading bellows whose ends are connected with branch pipe and inner ends of working bellows. Outer ends of working bellows are connected with respective branch pipes. Number of additional unloading bellows is even. Outer ends of unloading bellows are connected with additional outer branch pipe and inner ends are coupled with connecting branch pipes. They are perforated. EFFECT: enhanced reliability. 2 dwg