HOIST FOR ELEVATOR

摘要

A hoist for elevator which can be cooled efficiently when heat is generated by a simple arrangement. In the hoist for elevator, a body of revolution is supported rotatably through a bearing on a spindle standing from the central portion of a fixed frame, and a motor is constituted of a stator provided in the fixed fame, and a field magnet provided on the body of revolution and arranged oppositely to the stator. A heat pipe is provided in the spindle while projecting partially to the outside of the spindle, and heat radiation fins are provided on the projecting portion. Cooling fins are provided on the body of revolution and arranged around the heat radiation fins.