MAGNETIC FLUID SEAL Russian patent published in 2003 - IPC

FIELD: magnetic fluid seals designed for sealing of shafts in machines, apparatuses and pumps of chemical, paint and varnish and other industries. SUBSTANCE: magnetic fluid seal has seal body consisting, and least, of two parts interconnected through bearing support embracing magnetic unit and installed symmetrical to pole pieces. Intermediate bushing is rigidly connected to one of parts of combined body and forms running clearance filled with magnetic fluid. Shaft bushing is connected with shaft and rotating part of combined body for radial and angular motions. Body connecting flange is additionally made for radial and angular motions. EFFECT: higher reliability of magnetic fluid seal. 2 cl, 1 dwg