Title:
CEILING EMBEDDED TYPE VENTILATION FAN
Document Type and Number:
Japanese Patent JP2019045132
Kind Code:
A
Abstract:
To provide a ceiling embedded type ventilation fan which can easily clean and remove dust accumulated in the secular use by removing an orifice.SOLUTION: In a body frame including a lower surface which includes a suction port and a side surface which includes an exhaust port, a ceiling embedded type ventilation fan includes: a scroll casing having a partition wall which includes a suction opening on the suction port side and a blowout opening on the exhaust port side; a centrifugal fan for introducing air from the suction port to the exhaust port by rotationally driving, inside the scroll casing; an electric motor for rotationally driving the centrifugal fan via a rotary shaft; and an orifice provided detachably from the scroll casing. On a horizontal surface bonded with the orifice on the scroll casing side, an annular protrusion is provided, and on a horizontal surface boded with the scroll casing on the orifice side, an annular recess is provided. By fitting the uneven structure with each other and forming a bag-like space, the dust accumulated in secular use is accumulated on the orifice side.SELECTED DRAWING: Figure 9
Inventors:
ISHIKAWA MAKOTO
ITO RYOSUKE
NAKAMURA RYUICHI
YOSHIDA YOHEI
ITO RYOSUKE
NAKAMURA RYUICHI
YOSHIDA YOHEI
Application Number:
JP2018157890A
Publication Date:
March 22, 2019
Filing Date:
August 27, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F24F7/10; F04D25/08; F04D29/44; F04D29/70; F24F13/20
Domestic Patent References:
| JP2009180445A | 2009-08-13 | |||
| JP2004092959A | 2004-03-25 | |||
| JP2013142499A | 2013-07-22 | |||
| JP2011133169A | 2011-07-07 | |||
| JP2005291550A | 2005-10-20 | |||
| JP2007333228A | 2007-12-27 | |||
| JP2012107627A | 2012-06-07 | |||
| JP2013181706A | 2013-09-12 | |||
| JP2016048165A | 2016-04-07 | |||
| JP2016176652A | 2016-10-06 |
Attorney, Agent or Firm:
Kenji Kamada
Koichi Nomura
Koichi Nomura