PROBLEM TO BE SOLVED: To provide an X-ray CT apparatus capable of cooling any equipment without raising a cost.SOLUTION: An X-ray CT apparatus comprises a rotation portion, a stationary portion and a plurality of pieces of electric equipment. The rotation portion includes an X-ray source for irradiating a specimen with an X-ray, and rotates the X-ray source on the body axis of the specimen. The stationary portion includes a pair of longitudinal frames for supporting the rotation portion in a clamping manner from the outer circumference, and a transverse frame connecting the lower end portions of the paired longitudinal frames to each other. The plurality of pieces of electric equipment include an electric power source for supplying an electric power to the X-ray source. The plurality of pieces of electric equipment are housed in a corner portion having a generally triangular section shape composed of a transverse frame and the aforementioned longitudinal frame. Between the transverse frame and the plurality of pieces of electric equipment, there is formed a ventilation clearance for passing the ambient air.COPYRIGHT: (C)2014,JPO&INPIT【課題】コストを嵩ませずに、どの機器も十分に冷やすことが可能なX線CT装置を提供する。【解決手段】実施形態のX線CT装置は、回転部と、固定部と、複数の電気機器とを有する。回転部は、被検体にX線を照射するX線源を有し、X線源を被検体の体軸を中心に回転させる。固定部は、回転部を外周方向から挟むように支持する一対の縦フレーム、及び、一対の縦フレームの下端部同士を連結する横フレームを有する。複数の電気機器は、X線源に電力を供給する電源を含む。複数の電気機器は、横フレーム及び前記縦フレームから成る略三角形断面形状のコーナー部に収納される。横フレームと電気機器との間に外気が通る通気用の隙間が設けられている。【選択図】図1
