Title:
VENTILATION DEVICE
Document Type and Number:
Japanese Patent JP2019168176
Kind Code:
A
Abstract:
To provide a ventilation device capable of securing an air flow quantity while considering the settlement of appearance designability and a structural member.SOLUTION: A ventilation device is such that: an outdoor side opening 21 is positioned facing downward outdoors in one end of a ventilation path 2; an indoor side opening 22 is positioned facing upward indoors in the other end; the outdoor side opening and the indoor side opening have a slit shape; the ventilation path 2 comprises a first vertical passage section 2A rising from the outdoor side opening 21 in the vertical direction, a horizontal passage section 2C connected to the first vertical passage section 2A via a first bent part 2B, and extending in a substantially horizontal direction, and a second vertical passage section 2E connected to the horizontal passage section 2C via a second bent part 2D, and rising to the indoor side opening 22 in the vertical direction; and in the inner surfaces of the ventilation path 2, any opposed surfaces 2α,2β continuing from two edges in the longitudinal direction in the outdoor side opening 21 to the indoor side opening 22 are constituted from a flat surface or a curve surface having a fold line part of an obtuse angle in the first bent part 2B and the second bent part 2D.SELECTED DRAWING: Figure 3
Inventors:
UEDA HIROTSUGU
Application Number:
JP2018056923A
Publication Date:
October 03, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
F24F7/04; E04B1/70; F24F13/02; F24F13/072; F24F13/15
Domestic Patent References:
| JPS52107053U | 1977-08-15 | |||
| JP2017194260A | 2017-10-26 | |||
| JP2005226905A | 2005-08-25 | |||
| JP2011033278A | 2011-02-17 | |||
| JP2002180574A | 2002-06-26 | |||
| JPH06191266A | 1994-07-12 | |||
| JP2015506450A | 2015-03-02 |
Foreign References:
| EP1026453A2 | 2000-08-09 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Hironobu Onda
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima