COOLING UNIT AND PROJECTOR

摘要

PROBLEM TO BE SOLVED: To provide a cooling unit capable of reducing noise.SOLUTION: A cooling unit 5 comprises: a cooling fan 51 having rotating blades and a fan case accommodating the blades and blowing cooling air; and a holding section 6 holding the cooling fan 51. The holding section 6 has a first member 61 and a second member 62 holding the cooling fan 51 at positions different from each other. The first member 61 and the second member 62 are formed of materials having physical properties different from each other and have natural frequencies different from each other.