US Patent 7475449 Vacuum cleaner

A vacuum cleaner includes a main body, a motor assembly installed at the main body, the motor assembly including a motor for generating a suction force, an exhaust filter for filtering fine foreign substances from air passing through the motor assembly, and a guide member for guide a portion of air going via the exhaust filter to the inside of the main body. The guide member has a horizontal guide member and a vertical guide member for guiding portions of air passing through the exhaust filter to the side and the top of the main body respectively.