MAGNETIC LIQUID TEST FACILITY Russian patent published in 1995 - IPC

FIELD: test technique. SUBSTANCE: magnetic assembly, which is essentially magnet with pole attachments is mounted in case. Nonmagnetic annular insert is placed between attachments and embraces external surface of magnet. Magnetic shunt in the form of circular member made of magnetic material embraces magnetic assembly with ensured gap formed by annular drilling made on part of its internal surface or in part of external surface of attachment or shunt, respectively. Shunt is mounted for axial displacement in respect to magnetic assembly. Leak detection and automatic compressed-gas shut-off systems communicate with each other. Sealed chamber formed on attachment external surface side communicates with leak detection system. EFFECT: improved design. 2 cl, 2 dwg