COMPENSATOR OF DISPLACEMENT AND ROTATION Russian patent published in 2007 - IPC F16L51/03 

FIELD: pipeline engineering.

SUBSTANCE: compensator comprises two bellows and spherical supports for end members of the bellows. The spherical supports are mounted inside the bushing that is mounted outside of the bellows to form a closed ring space. The pressure-tight ring shells are interposed between the bushing and ring members. The spherical surfaces of the bushing cooperates with the end members under hydrostatic relief. The compensator is additionally provided with the external system for generating relief pressure.

EFFECT: reduced vibration level and impact loading.

1 dwg