The present invention is a fan coil unit motor in which the rotor and the stator are installed inside the case to obtain power while rotating by their self-induction action, the case forming the outside of the motor without using a metal The present invention relates to a case of a fan coil unit electric motor, which can be formed using engineering plastics to improve mechanical strength, smooth rotation of the motor, greatly reduce weight while having heat resistance, and facilitate manufacturing.;The present invention is to install a rotor having a stator and a rotating shaft (3) inside the case (1) (2), the bearing insertion portion that is supported on the support bracket (4) on both sides of the case (1) (2) (5) forming and inserting a bearing therein, wherein in manufacturing the case of the electric motor in which the rotating shaft (3) of the rotor is inserted and installed, the main material for manufacturing the case is polybutylene, which is engineering plastic It is configured to produce a case having a lene telephthalate and mixed with the reinforced glass fibers to form a plurality of ribs 6, the mixing ratio of the polybutylene telephthalate and the reinforced glass fibers to be 85: 15% It is configured to enhance the strength of the case.
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