JP4634719B2 - 空調用ダクト - Google Patents
空調用ダクト Download PDFInfo
- Publication number
- JP4634719B2 JP4634719B2 JP2004002692A JP2004002692A JP4634719B2 JP 4634719 B2 JP4634719 B2 JP 4634719B2 JP 2004002692 A JP2004002692 A JP 2004002692A JP 2004002692 A JP2004002692 A JP 2004002692A JP 4634719 B2 JP4634719 B2 JP 4634719B2
- Authority
- JP
- Japan
- Prior art keywords
- duct
- outer peripheral
- peripheral wall
- reinforcing ribs
- reinforcing rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004378 air conditioning Methods 0.000 title claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 50
- 238000005452 bending Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 58
- 239000000463 material Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 230000000644 propagated effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Duct Arrangements (AREA)
Description
「標準ダクトテキスト」全国ダクト工業団体連合会 編集発行、平成12年9月、p.25−41
(作用)
本発明によれば、補強リブを波状に周期分布するようにしたため、平板の場合に比べて、外周壁の剛性が高い。このため、薄い外周壁であっても歪みが小さく、同じ板厚の外周壁材を用いても、従来の平板の場合に比べて、ダクトの幅を広くすることができる。
(作用)
本発明によれば、複数の補強リブが交差するようにしたので、外周壁がさらに変形し、外周壁の剛性がさらに高まる。しかも、交差させる角度を選択することによって、方向に制限されることなく剛性を高めることができる。
幅W:1,000mm
高さH:500mm
補強リブrの形状は、図2に示すように、外周壁をわずかに折り曲げた波形をしており、そのピッチp(山と山、谷と谷との間隔)および、段差d(谷と山との高差)は、次のとおりである。
段差d:5mm
同様にして、エルボダクト10について説明する。
2〜5 外周壁
6、7 フランジ
10 エルボダクト
11〜14 外周壁
15,16 フランジ
r 補強リブ
a ハゼ部
Claims (2)
- ダクト外周壁を構成する薄板を折り曲げて、山と谷とを直線で結んだ波状に周期分布する補強リブを、その稜線が少なくとも気体の流入側において気流方向に対して直交するように形成したことを特徴とする空調用ダクト。
- 複数の前記補強リブを互いに交差するように形成し、いずれかひとつの前記補強リブの稜線が少なくとも気体の流入側において気流方向に対して直交するように形成したことを特徴とする請求項1に記載の空調用ダクト。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004002692A JP4634719B2 (ja) | 2004-01-08 | 2004-01-08 | 空調用ダクト |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004002692A JP4634719B2 (ja) | 2004-01-08 | 2004-01-08 | 空調用ダクト |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005195266A JP2005195266A (ja) | 2005-07-21 |
JP4634719B2 true JP4634719B2 (ja) | 2011-02-16 |
Family
ID=34817810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004002692A Expired - Fee Related JP4634719B2 (ja) | 2004-01-08 | 2004-01-08 | 空調用ダクト |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4634719B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4838038B2 (ja) * | 2006-04-20 | 2011-12-14 | 高砂熱学工業株式会社 | ダクト及びダクトの製造方法 |
JP4989426B2 (ja) * | 2007-11-12 | 2012-08-01 | 矢留工業株式会社 | 空調用ダクト |
JP5317668B2 (ja) * | 2008-04-07 | 2013-10-16 | 矢留工業株式会社 | リブ成形機、薄板成形システム及び空調用筒型ダクト製造システム |
JP2010048449A (ja) * | 2008-08-20 | 2010-03-04 | Shin Fuji Kucho:Kk | 空調用ダクト |
JP6305851B2 (ja) * | 2014-07-02 | 2018-04-04 | シャープ株式会社 | 送風システム及びそれを備えた画像形成装置 |
-
2004
- 2004-01-08 JP JP2004002692A patent/JP4634719B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005195266A (ja) | 2005-07-21 |
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