| 摘要 |
A molded plastic lid for use on an auxiliary trash collection container used with a shop vacuum cleaner or dust collector system. Incoming air and entrained materials are directed along the inside of the container at a shallow angle, and outgoing air is drawn from the center of the lid at a steeper angle. The resulting airflow in the container is a vortex or cyclone-like flow that deposits most of the incoming material within the container, thereby increasing the collection capacity of the system with which the lid is used by the volume of the auxiliary container.
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