ANGULAR DISPLACEMENT COMPENSATOR FOR PIPELINES Russian patent published in 2015 - IPC F16L51/02 

FIELD: machine building.

SUBSTANCE: angular displacement compensator for pipelines comprises main line bellows and articulated rotating device, located on axis of the bellows between pillars, connecting the device with opposite ends of the bellows. The rotating device is located in the tight shell connected with the environment by means of the drain channel (tube). The tight shell comprises the internal bellows, support bushes and two hollow fairings permanently secured with each other. The rotating device comprises a spherical bearing secured on stud by means of the pin, at that the external sphere interacts with the internal sphere of the clevis, and external cylindrical surface of the stud interacts freely with the internal cylindrical surfaces of the fork.

EFFECT: exclusion of ignition and contamination of the work products with abrasive wear particles of the friction pairs in the rotating device, partial unloading of the rotating device, reduced dimensions in radial direction.

3 cl, 1 dwg