MAGNETIC RADIAL BEARING DEVICE FOR BOILER FEEDWATER PUMP

摘要

The present invention relates to a radial bearing device installed in a boiler feedwater pump and, more specifically, relates to a radial bearing device rotating and supporting both ends of a shaft installed in a boiler feedwater pump. The radial bearing device comprises: a cylindrical magnet where a shaft penetrates and is connected such that the cylindrical magnet can rotate with the shaft; a hollow core including a coil unit enclosing the magnet by being located at fixated intervals from an outer circumference of the magnet; and a housing supporting the core connected to a pump main body. The shaft is supported by a magnetic force induced between the outer circumference of the magnet and an inner circumference of the core. As such, the magnetic radial bearing device for a boiler feedwater pump has a simple structure and high durability, and enables maintenance work to be easy.