US Patent 10954961 Blower device and blower system equipped with blower device

A blower device includes a housing including an intake chamber, an accommodation chamber communicating with the intake chamber, and an exhaust port, a motor provided in the accommodation chamber and including a coil, a fan provided on a rotating shaft of the motor, a sealing member configured to seal up the intake chamber, and a flow path of the air which is introduced into a gap between a first surface of the fan and the housing, is returned from a flow path hole provided in the housing and communicating with the intake chamber to an opening, and is introduced to a second surface of the fan opposed to the first surface by an air-blowing operation of the fan.