MOTOR AND COOLING SYSTEM

PROBLEM TO BE SOLVED: To provide a motor capable of supplying electric power to an armature coil without causing abrasion between members.SOLUTION: A motor (10), supported so that a rotor (14) can rotate within a stator (12) capable of generating a magnetic field, includes a rotary transformer (30) having a primary side (32) connected with an AC power source and a secondary side (34) fixed to a rotating shaft (22), and a rectifier circuit (37) which is built in the rotating shaft and has an input terminal (38) connected with the secondary side and an output terminal (40) connected with an armature coil (24).SELECTED DRAWING: Figure 1 【課題】電機子コイルに部材間の摩耗を伴うことなく電力供給可能な電動機を提供する。【解決手段】界磁を発生可能な固定子（１２）内に、回転子（１４）が回転可能に支持された電動機（１０）であって、交流電源に接続された一次側（３２）と回転シャフト（２２）に固定された二次側（３４）とを備える回転トランス（３０）と、回転シャフトに内蔵され、二次側に接続される入力端（３８）と電機子コイル（２４）に接続される出力端（４０）を備える整流回路（３７）とを備えることを特徴とする。【選択図】図１