| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner which controls an increase in noise to secure its safety while exhibiting an excellent suction power, in a vacuum cleaner with an opening for improving the output, in a case which protects an electric air blower. <P>SOLUTION: The vacuum cleaner includes a motor, a fan connected to the rotary shaft of the motor and having an outer diameter bigger than that of the motor, a housing for covering the motor and the fan, an electric air blower with a cover for covering the outer circumference of a portion of the housing corresponding to the arranging position of the motor, a motor case for covering the circumference of the same for protection thereof, and a lower case storing these segments. The lower case has an opening for loss reduction, the motor case is arranged on the projecting direction from the opening direction, an opening for loss reduction is provided at the motor case to be overlapped with the lower case opening projecting direction, and a wall is formed at a position to seal the lower case opening and the motor case opening. <P>COPYRIGHT: (C)2013,JPO&INPIT |
