| 摘要 |
PURPOSE: A slit type supersonic nozzle and a surface-cleaning apparatus having the same are provided to remove micro-pollution rapidly by transferring a target in a vertical direction to the length of a slit. CONSTITUTION: In a slit type supersonic nozzle and a surface-cleaning apparatus having the same, a nozzle body(111) is extended along the width direction of a target. A pressure division unit is installed inside the nozzle body and includes a flow channel along the length direction of the target. A slit(113) sprays a hypersonic gas jet on the target, and gas inlets are separated from each other in the length direction of the nozzle body. A pressure division channel is installed on a first and a second side wall, and the slit includes a slope contraction part and curved surface connection part.
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