| 摘要 |
PURPOSE: A vacuum cleaner is provided to reduce a cleaning time by improving a structure of the vacuum cleaner in order to clean two different areas simultaneously. CONSTITUTION: A vacuum cleaner comprises a casing(11) forming a containing space therein, a suction fan, an extension pipe(37), a suction head(41), a dust envelop for collecting a waste, an exhaust air circulating pipe for circulating a part of fluid discharged from the suction fan, and an ejector nozzle portion for injecting the circulated fluid in high speed at an end of the exhaust air circulating pipe, an ejector chamber and the first ejector suction pipe(59). The ejector chamber is placed at a circumference of the ejector nozzle, and one end of the ejector chamber is communicated with an outside. The first ejector suction pipe is communicated with the ejector chamber, and inserted to the casing.
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