JPS53140850A - System for controlling ventllation in tunnels - Google Patents
System for controlling ventllation in tunnelsInfo
- Publication number
- JPS53140850A JPS53140850A JP5433277A JP5433277A JPS53140850A JP S53140850 A JPS53140850 A JP S53140850A JP 5433277 A JP5433277 A JP 5433277A JP 5433277 A JP5433277 A JP 5433277A JP S53140850 A JPS53140850 A JP S53140850A
- Authority
- JP
- Japan
- Prior art keywords
- tunnels
- ventllation
- controlling
- polluted
- automobiles
- 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
Landscapes
- Ventilation (AREA)
Abstract
PURPOSE: To control light permeation rate, carbon oxides concentration, and the like within such a range as to maintain a healthy condition of the environmental in tunnels which are polluted by emission from automobiles.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5433277A JPS53140850A (en) | 1977-05-13 | 1977-05-13 | System for controlling ventllation in tunnels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5433277A JPS53140850A (en) | 1977-05-13 | 1977-05-13 | System for controlling ventllation in tunnels |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53140850A true JPS53140850A (en) | 1978-12-08 |
Family
ID=12967631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5433277A Pending JPS53140850A (en) | 1977-05-13 | 1977-05-13 | System for controlling ventllation in tunnels |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53140850A (en) |
-
1977
- 1977-05-13 JP JP5433277A patent/JPS53140850A/en active Pending
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