SLIM TYPE VACUUM INHALING APPARATUS HAVING HIGH EFFICIENCY AND ROBOT CLEANER USING THE SAME
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United States of America Patent
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Issued Date -
Jul 8, 2010
app pub date -
May 7, 2008
filing date -
May 31, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a high-efficiency slim vacuum inhalation apparatus which cools heat generated from heat-generation sources without using particular heat radiation components, and a robot cleaner employing the same. The vacuum inhalation apparatus does not need particular heat radiation components since an impeller is closely adhered to a rotational shaft by a pair of washers and an impeller bushing, to thus avoid from sliding, and since an inhalation efficiency which is caused by a brushless direct-current (BLDC) motor increases, and thus power consumption decreases. Further, since a BLDC motor is incorporated in a vacuum inhalation apparatus so that the vacuum inhalation apparatus can be implemented into a slim type, a robot cleaner can be also compactly realized into a slim type.
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