Fan unit

A fan unit comprising:

• a cup-shaped rotor cover configured to rotate around a rotation axis;
• and
• a blade member including a cup-shaped boss portion attached to an outer peripheral surface of the rotor cover, and a blade portion provided to an outer peripheral surface of the boss portion, wherein
• the outer peripheral surface of the rotor cover and an inner peripheral surface of the boss portion are bonded with an adhesive,
• a bottom portion of the boss portion is provided with a ring-shaped partition wall,
• the partition wall extends in a direction of the rotation axis and is in contact with a bottom portion of the rotor cover to separate a space between the bottom portion of the boss portion and the bottom portion of the rotor cover into an inner peripheral area and an outer peripheral area,
• the outer peripheral area is provided with an adhesive reservoir, and
• the inner peripheral area is formed with a connecting flow path that joins a through-hole provided to the boss portion and an opening portion provided to the rotor cover, and connects a space inside the rotor cover and a space outside the boss portion.