HOISTING ELECTROMAGNET Russian patent published in 2017 - IPC B66C1/06 

FIELD: magnets.

SUBSTANCE: invention relates to hoisting electromagnets designs, preferably intended for operation with loose cargo, including hot ones. Electromagnet comprises housing with base, inner and outer poles, poles extenders, control coil, sealing and protective washers. Inner pole expander has shape of whole washer and fixed on protective washer, which is fixed on outer pole expander. Under sealing washer, on expanders and/or protective washer, spacing washer from heat-insulating material is laid. Disclosed are five versions of inner pole expander and protective washer attachment, including, versions with gap between inner pole and its expander. Gap is filled with heat insulating material with high heat resistance.

EFFECT: enabling inner pole expander simplified design and electromagnet assembly and disassembly process, more efficient use of electromagnet in operations with hot cargo.

9 cl, 7 dwg