DUST COLLECTOR
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United States of America Patent
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app pub date -
Jul 17, 2015
filing date -
Nov 20, 2014
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Abstract
A dust collector, including a casing, a dust collection system arranged in the casing, an impeller (100) and a permanent magnet type brushless direct current motor (200). The impeller (100) is arranged in the casing and located downstream of the dust collection system. The permanent magnet type brushless direct current motor (200) is connected to the impeller (100) and located at a side, far away from the dust collection system, of the impeller (100). The permanent magnet type brushless direct current motor (200) includes a stator (2), a rotor (3) and a block-shaped permanent magnet (4). The rotor (3) and the stator (2) are arranged coaxially, the rotor (3) can rotate relative to the stator (2), and the permanent magnet (4) is fixed to the rotor (3).
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