Patent ID: 7955404
Filing Date: 2011-06-07
Classification: B01D,B04C

Abstract:
1. A dust collector, comprising a shell, defining a first receiving room therein, the shell having an entrance hole communicating the first receiving room; an exit tube, defining an exit passage therein; an inner tube, extending toward the first receiving room, the inner tube defining a connection passage which has a first opening and a second opening, the first opening communicating the first receiving room, the second opening communicating the exit passage; a suction device, providing the exit passage with a negative pressure; a first dust container, defining a second receiving room therein, a mesh being disposed on a bottom surface of the first dust container, the mesh dividing the second receiving room into a first chamber and a second chamber, the first chamber communicating the first receiving room; a bypass tube, defining a bypass passage therein, the bypass passage communicating the connection passage with the second chamber, and a first dust bag, disposed in the first chamber, the first dust bag defining a first bag chamber therein and having a bag opening communicating the first bag chamber with the first receiving room.