发明授权
US08944080B2 Cleaning system, cleaning device, and method of using cleaning device 有权
清洁系统,清洁装置和使用清洁装置的方法

Cleaning system, cleaning device, and method of using cleaning device
摘要:
A cleaning device is provided, including a top portion, a middle portion, and a bottom portion. The top portion includes a first opening. The middle portion is connected to the top portion, and includes an inlet on a lateral side, an annular channel communicated with the inlet, and a second opening communicated with the first opening. The bottom portion is connected to the middle portion, and includes a reservoir and a third opening. The third opening communicates the second opening and the reservoir.
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