发明名称 Vacuum cleaner
摘要 A vacuum cleaner wherein a hose, a pipe and suction nozzle, which are connected to a vacuum cleaner main body incorporating therein a motor fan, are formed with a suction air passage as well as an exhaust air passage for making air exhausted from the motor fan circumfluently flow. The pipe is composed of an inner cylindrical portion having a substantially circular section and forming the suction air passage, and an outer cylindrical portion a part of which is uniformly formed with the inner cylindrical portion and which covers the inner cylindrical portion to form the exhaust air passage. There can be achieved for a light-weighted and slim-sized arrangement of the pipe through which the suction air passage and the exhaust air passage extends without the fear of dust plugging, and a vacuum cleaner of exhaust circumfluently flowing type can be easily put into to practice. <IMAGE>
申请公布号 EP1036537(A3) 申请公布日期 2001.09.19
申请号 EP20000105411 申请日期 2000.03.14
申请人 SANYO ELECTRIC CO., LTD. 发明人 NAKAI, KOUICHI;KOBAYASHI, TOSHINARI;KODERA, SADAKI;MORI, YOSHIHIRO;FUJIYOSHI, TOSHIYUKI;NISHIYAMA, TAKAHIRO
分类号 A47L5/14;A47L9/24 主分类号 A47L5/14
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