JPS6360826U - - Google Patents
Info
- Publication number
- JPS6360826U JPS6360826U JP15507586U JP15507586U JPS6360826U JP S6360826 U JPS6360826 U JP S6360826U JP 15507586 U JP15507586 U JP 15507586U JP 15507586 U JP15507586 U JP 15507586U JP S6360826 U JPS6360826 U JP S6360826U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- air
- branch
- main duct
- main
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Ventilation (AREA)
- Duct Arrangements (AREA)
Description
第１図はこの考案の一実施の断面図、第２図は
逆流防止弁および風量調整用抵抗弁の断面図であ
る。
１，２……空間、３……排気ダクト、３ａ……
メインダクト、３ｂ，３ｃ……分岐ダクト、４，
５……吸気口、６……逆流防止弁、７……風量調
整用抵抗弁、８……フアン。
FIG. 1 is a cross-sectional view of one embodiment of this invention, and FIG. 2 is a cross-sectional view of a check valve and an air volume adjustment resistance valve. 1, 2... Space, 3... Exhaust duct, 3a...
Main duct, 3b, 3c...branch duct, 4,
5...Intake port, 6...Return prevention valve, 7...Resistance valve for adjusting air volume, 8...Fan.
Claims (1)
配設した吸気口と、メインダクトおよびこのメイ
ンダクトから分岐した分岐ダクトから構成され前
記各吸気口で吸気された空気を前記分岐ダクトか
ら前記メインダクトを経て屋外に排気する排気ダ
クトと、前記メインダクトに設けられた強制排気
用のフアンと、前記分岐ダクトのうち少なくとも
送風抵抗の小さい分岐ダクト内に設けられこの分
岐ダクト内を通る空気の風量を抑制しかつ前記フ
アンの停止状態で空気の流通を遮断する風量調整
用抵抗弁と、前記メインダクトに設けられ屋外か
ら屋内への空気の逆流を防止する逆流防止弁とを
備えた換気装置。 It is composed of intake ports respectively arranged in at least two spaces provided indoors, a main duct, and a branch duct branched from the main duct, and the air taken in by each of the intake ports is passed from the branch duct to the main duct. An exhaust duct for exhausting the air outdoors, a forced exhaust fan provided in the main duct, and at least one of the branch ducts having a small air blowing resistance is provided in the branch duct to suppress the amount of air passing through the branch duct. and a ventilation device comprising: an air volume adjustment resistance valve that blocks air flow when the fan is stopped; and a backflow prevention valve that is provided in the main duct and prevents air from flowing back from outdoors to indoors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15507586U JPS6360826U (en) | 1986-10-09 | 1986-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15507586U JPS6360826U (en) | 1986-10-09 | 1986-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6360826U true JPS6360826U (en) | 1988-04-22 |
Family
ID=31075450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15507586U Pending JPS6360826U (en) | 1986-10-09 | 1986-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6360826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247585A (en) * | 1994-03-09 | 1995-09-26 | Kajima Corp | Riser for drain and exhaust gas used in common |
| JP2004278828A (en) * | 2003-03-13 | 2004-10-07 | Atsuo Nozaki | Indoor gaseous substance removing system |
-
1986
- 1986-10-09 JP JP15507586U patent/JPS6360826U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247585A (en) * | 1994-03-09 | 1995-09-26 | Kajima Corp | Riser for drain and exhaust gas used in common |
| JP2004278828A (en) * | 2003-03-13 | 2004-10-07 | Atsuo Nozaki | Indoor gaseous substance removing system |