NOISE SUPPRESSION STRUCTURE IN COOLING SYSTEM FOR ELECTRICAL DEVICE

A noise suppression structure to be mounted on a cooling system for an electrical device of a vehicle includes a duct, a blower, and a sound absorber. The duct extends from inside a vehicle cabin of the vehicle to inside the vehicle cabin or outside the vehicle cabin through the electrical device. The blower is configured to draw air from the vehicle cabin into the duct and feed the air to the electrical device. The sound absorber is disposed in the duct. The duct has a curved portion where an extension direction of the duct changes. The curved portion is located on one of or each of an upstream side and a downstream side of the electrical device. The sound absorber is disposed in a fluid stagnation region where a flow of the air tends to stagnate in the curved portion.