Title:
MOBILE AIR PURIFIER
Document Type and Number:
WIPO Patent Application WO/2020/049776
Kind Code:
A1
Abstract:
This mobile air purifier (1) is provided with: wheels (9s1, 9s2) for moving a housing (2); drive motors (9m1, 9m2) for driving the wheels (9s1, 9s2); a filter (3) disposed in the upper part of the housing (2) and removing dust in indoor air; a centrifugal impeller (6) provided on the downstream side of the flow of air having passed through the filter (3); and an impeller motor (6m) for driving the centrifugal impeller (6). Air having flowed in from a body intake opening(2i) and passed through the filter (3) is deflected at substantially a right angle and flows into an impeller intake opening (6i) in the centrifugal impeller (6). The lower end surface (6h2) of the impeller (6h) of the centrifugal impeller (6) is provided below the lower end surface (3a) of the filter (3).
Inventors:
KYOYA KOHEI (JP)
AMINO AZUSA (JP)
KOTANI MASANAO (JP)
SANO KENTAROH (JP)
OOHIRA AKIYOSHI (JP)
AMINO AZUSA (JP)
KOTANI MASANAO (JP)
SANO KENTAROH (JP)
OOHIRA AKIYOSHI (JP)
Application Number:
PCT/JP2019/011603
Publication Date:
March 12, 2020
Filing Date:
March 19, 2019
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
A61L9/16; B01D46/00; F24F7/003
Foreign References:
| JP2017029667A | 2017-02-09 | |||
| US20060059872A1 | 2006-03-23 | |||
| JP2014110857A | 2014-06-19 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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