Title:
VACUUM CLEANER
Document Type and Number:
Japanese Patent JP3399877
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a vacuum cleaner, which does not blow off the dust on a surface to be cleaned and does not deteriorate suction performance, by effectively feeding the exhaust to a rotary cleaning body.
SOLUTION: This vacuum cleaner is provided with a suction port having a rotary cleaning body 703 raking-up the dust on a surface to be cleaned and a turbine 704 driving the rotary cleaning body 703, a motor-driven fan constituted of a motor and a fan to generate a suction air stream for collecting dust, a suction passage A1 connecting the suction port and the motor-driven fan, a dust collection section collecting the dust in the suction air stream flowing in the suction passage A1, and an exhaust passage A7 exhausting the air stream collecting the dust. The exhaust passage A7 feeds part of the exhaust stream flowing in it to a turbine, and a drive nozzle 1501 driving the turbine is disposed on the exhaust passage A7.
Inventors:
Keiichi Yabe
Masataka Kaji
Ryuji Suzuki
Masataka Kaji
Ryuji Suzuki
Application Number:
JP18666199A
Publication Date:
April 21, 2003
Filing Date:
June 30, 1999
Export Citation:
Assignee:
株式会社日立製作所
日立多賀テクノロジー株式会社
日立多賀テクノロジー株式会社
International Classes:
A47L9/00; A47L9/04; (IPC1-7): A47L9/00; A47L9/04
Domestic Patent References:
| JP11216086A | ||||
| JP11206649A | ||||
| JP57145635A | ||||
| JP5874458U | ||||
| JP3936553Y1 |
Attorney, Agent or Firm:
Kiyoshi Maruyama (5 others)
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