US Patent 12071953 Axial fan

Provided is an axial fan including a pair of fan units, wherein each of the pair of fan units includes a rotor, a motor, and a housing, the rotor includes an impeller cup configured to rotate about a rotation axis, and a fan extending radially from the impeller cup, the motor is provided inside the impeller cup, the housing includes a housing portion housing the rotor, and a base portion supporting the motor, a connection portion is provided to an axial end surface of the base portion and on an inner peripheral side relative to the impeller cup, and the pair of fan units is connected to each other via the connection portions in a direction of the rotation axis.