发明名称 Vacuum cleaner sound reducing device
摘要 A vacuum cleaner is disclosed having a motor inlet conduit and sound deadening material disposed within the motor inlet conduit for reducing the overall noise level of the vacuum cleaner. The motor inlet conduit fluidly connects a dirt receptacle chamber and a motor inlet, and may have a generally continuous cross-sectional profile and one or more expanded regions for housing the sound deadening material. With the sound deadening material installed in the one or more expanded regions, the motor inlet conduit may form a smoothly changing profile along its entire length and reduce the overall noise level of the vacuum cleaner.
申请公布号 US8650707(B2) 申请公布日期 2014.02.18
申请号 US201213567756 申请日期 2012.08.06
申请人 HAWKINS THOMAS W.;DAVIDSHOFER DONALD J.;CHENOWETH BRADLEY E.;ELECTROLUX HOME CARE PRODUCTS, INC. 发明人 HAWKINS THOMAS W.;DAVIDSHOFER DONALD J.;CHENOWETH BRADLEY E.
分类号 A47L9/00 主分类号 A47L9/00
代理机构 代理人
主权项
地址