专利名称：Vacuum cleaner发明人：Ho Seon Rew申请号：US09987471申请日：20011114公开号：US06615447B2公开日：20030909
专利附图：
摘要：A vacuum cleaner includes a case having a collection chamber including a filterfor removing extraneous matter mixed with air sucked in through main suction channelsand an apparatus chamber including a fan motor assembly for generating suction forceand discharging intake air behind the collection chamber and a peripheral air suction unit
connected between the external surface of the case and the main suction channels orbetween the external surface of the case and the inside of the collection chamber inaddition to the main suction channels, the peripheral air suction unit sucking up the airaround the case. It is possible to suck up dust that floats in the air around the vacuumcleaner, caused by air discharged when the vacuum cleaner is used and to purify the air.Accordingly, it is possible to reduce the inconvenience of a user and to improve cleaningefficiency.
申请人：LG ELECTRONICS INC.
代理机构：Birch, Stewart, Kolasch & Birch, LLP
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