Title:
排水を曝気するための装置および方法
Document Type and Number:
Japanese Patent JP2008521592
Kind Code:
A
Abstract:
Apparatus for aerating waste water, provided with a container for waste water and a rotor which is rotatable about a substantially vertical axis (1) and the downward directed part of which can reach into the waste water, which rotor comprises blades (4) having surfaces which are orientated substantially radially and axially, wherein a surface (12) curved in the direction of rotation of the rotor is present close to the upper edge (8) of a blade (4), and wherein the curved surface close to the upper edge forms an angle of between 10° and 60° with the vertical plan of the blade.
Inventors:
VISSER, ANDRIES
Application Number:
JP2007542949A
Publication Date:
June 26, 2008
Filing Date:
November 28, 2005
Export Citation:
Assignee:
VISSER, ANDRIES
International Classes:
C02F3/16; B01F3/04
Domestic Patent References:
| JPH08504660A | 1996-05-21 | |||
| JP2001252681A | 2001-09-18 | |||
| JPS3923202B1 | ||||
| JPS4311180B1 | ||||
| JPS46888A | ||||
| JPS4893147A | 1973-12-03 | |||
| JPS5170060U | 1976-06-02 | |||
| JP2000000594A | 2000-01-07 | |||
| JPS5628793U | 1981-03-18 | |||
| JPS583997U | 1983-01-11 | |||
| JP2000015075A | 2000-01-18 | |||
| JPS4838948Y1 | 1973-11-16 | |||
| JP2006503687A | 2006-02-02 | |||
| JPH11165187A | 1999-06-22 | |||
| JPS4838948Y1 | 1973-11-16 | |||
| JPS5628793U | 1981-03-18 | |||
| JPH08504660A | 1996-05-21 | |||
| JP2002001379A | 2002-01-08 | |||
| JP2002018259A | 2002-01-22 | |||
| JPS4893147A | 1973-12-03 |
Foreign References:
| WO2004025125A2 | 2004-03-25 | |||
| US20040174769A1 | 2004-09-09 |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa