发明名称 Device for protecting motor in vacuum cleaner
摘要 The present invention relates to a device for protecting a motor in a vacuum cleaner. The device for protecting the motor in the vacuum cleaner according to the present invention comprises a lower casing 170 for forming a lower portion of a main body of the cleaner; a motor housing 160 which is installed in the lower casing and includes the driving motor 150 therein and of which an upper portion is opened upwardly; a filtering means installed onto the lower casing for filtering out foreign materials from introduced air; and an intermediate cover integrally formed with a first cover portion 122 positioned onto an upper portion of the filtering means and a second cover portion 124 for covering the upper portion of the motor housing. Further, a pressure switch for sensing pressure within the motor housing and a damper for introducing external air into the motor housing when the pressure within the motor housing is lowered below a predetermined pressure value, are directly installed onto the second cover portion of the intermediate cover.
申请公布号 US2003070254(A1) 申请公布日期 2003.04.17
申请号 US20010989460 申请日期 2001.11.21
申请人 LG ELECTRONICS INC. 发明人 JI HEON PYEONG
分类号 A47L9/00;A47L9/19;A47L9/22;A47L9/28;(IPC1-7):A47L9/22 主分类号 A47L9/00
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