Patent ID: 9516980
Filing Date: 2016-12-13
CPC Classification: A47L

Claim Text:
1. A vacuum cleaner comprising a first bottom air inlet, a rear air outlet, a housing having an air passage for guiding a first air to flow from the first bottom air inlet to the rear air outlet, and an electric blower fan mounted in the air passage and generating a force for sucking up the first air, the housing comprising a headwind inlet that inhales second air from an exterior and guides flow of the inhaled second air as a headwind against the flow of the first air so as to prevent adhesion of objects to be cleaned, and a bottom air outlet formed on a bottom surface of the housing to discharge hot air heated by heat of the electric blower fan while passing by the electric blower fan, the vacuum cleaner comprising a flow direction changer mounted on the housing and changing a flow direction of the hot air to the rear air outlet and/or the bottom air outlet.