| 摘要 |
PROBLEM TO BE SOLVED: To provide a local dust collection system equipped with a branch dust collection function which carries out drive controlling of an exhaust blower according to a real load generated by suck removing dust, etc. to achieve energy saving. SOLUTION: The local dust collection system equipped with the branch dust collection function which connects at least one dust box to a dust collecting apparatus, has at least two switching valves in the dust box, makes it possible to connect a flexible suction hose to the switching valve, and collects dust through the suction hose, wherein the suction hose has an operation box equipped with a transmission part for radio transmitting, and a driving means of the exhaust blower has an inverter drive controlling means equipped with a driving-side reception part in the driving means of the exhaust blower, so that the increase/decrease of the driving output of the driving means is controlled by a signal from the operation box. COPYRIGHT: (C)2008,JPO&INPIT
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