Title:
集塵機
Document Type and Number:
Japanese Patent JP5185551
Kind Code:
B2
Abstract:
A dust collection device (1) has a tank (2), a suction unit (7), a filtering unit (10), a dust removal unit (14), a first detection unit (31) and a control unit (20). The tank (2) has an air inlet (3) for accommodating dust. The suction unit (7) aspirates the dust through the air inlet (3). The filtering unit (10) captures the dust through the air inlet (3). The dust removal unit (14) removes the dust from the filtering unit (10). The first detection unit (31) detects the operational state of the suction unit (7). The control unit (20) controls the suction unit (7) and the dust removal unit (14). The control unit (20) activates the dust removal unit (14) when the first detection unit (31) detects that the suction unit (7) operates for a first predetermined time period and then stops operating.
Inventors:
Yoshimasa Hayama
Daisuke Kakegawa
Kumio Takahashi
Inaba Masahiro
Daisuke Kakegawa
Kumio Takahashi
Inaba Masahiro
Application Number:
JP2007071641A
Publication Date:
April 17, 2013
Filing Date:
March 19, 2007
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
B01D46/42; A47L9/20; B23D47/00; B23Q11/00
Domestic Patent References:
| JP2132208A | ||||
| JP2006325820A | ||||
| JP2004154212A | ||||
| JP2004201919A | ||||
| JP60212140A | ||||
| JP538166U | ||||
| JP4121853U | ||||
| JP551425U |
Attorney, Agent or Firm:
Hiroshi Izawa