Patent ID: 9072418
Filing Date: 2015-07-07
Classification: A47L

Abstract:
1. A vacuum cleaner comprising: a dust separation device provided in a body; a dust collection device connected with the dust separation device; a dust compression part movably provided in the dust collection device, to compress dust by applying a pressure to dust collected in the dust collection device selectively; a liquid accommodation part provided in the dust collection device or the body, to accommodate a predetermined liquid; and a liquid exhaustion part connected with the liquid accommodation part, to exhaust the liquid toward the dust in the dust compression performed by the dust compression part, wherein the liquid exhaustion part comprises an opening/closing member provided therein to control flow of the liquid, and the opening/closing member is transformed by an external force to guide the liquid to be exhausted outside the liquid exhaustion part, and wherein the opening/closing member is a check valve that is transformed by a pressing force of the dust compressed by the dust compression part, to pass the liquid there through, and that is restituted when the pressing force is removed, to shut off the flow of the liquid.