Title:
VENTILATION FAN
Document Type and Number:
WIPO Patent Application WO/2016/166820
Kind Code:
A1
Abstract:
Provided is a ventilation fan equipped with: a shutter part 30 attached at the front surface of a grill frame such that with one edge in a predetermined direction functioning as a pivot point, the other edge rotates towards the front surface side to open or close the shutter; and a shutter opening/closing part comprising an electric motor, a rod which is rotated by power from the electric motor and which pushes the back surface of the shutter part 30 towards the front surface side from the back surface side, and a wire linked to the electric motor and to part of the electric motor side of the rod, for transmitting power of the electric motor to the rod. The ventilation fan also has a sliding part 30a which is pushed towards the front surface side from the back surface side as the rod slides. The sliding part 30a comprises first protrusions 30b1 and second protrusions 30b2 in the form of a plurality of lines extending parallel to a predetermined direction and provided on the back surface of the shutter part 30. In the second protrusion 30b2 that is closest to the electric motor, the position of the end thereof at the other edge lies towards the first edge in relation to the positions of the ends of the other first protrusions 30b1 among the plurality of protrusions of line form.
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Inventors:
KAGAWA YOSHIHIRO (JP)
YAMATO HIDETOSHI (JP)
KOBAYASHI DAISUKE (JP)
FUJII YASUO (JP)
YAMATO HIDETOSHI (JP)
KOBAYASHI DAISUKE (JP)
FUJII YASUO (JP)
Application Number:
PCT/JP2015/061514
Publication Date:
October 20, 2016
Filing Date:
April 14, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F7/10
Foreign References:
| JPH08128690A | 1996-05-21 | |||
| JP2001317773A | 2001-11-16 | |||
| JP2007024477A | 2007-02-01 |
Attorney, Agent or Firm:
TAKAMURA, JUN (JP)
Jun Takamura (JP)
Jun Takamura (JP)
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