JPS523246A - Tunnel ventilation control system - Google Patents
Tunnel ventilation control systemInfo
- Publication number
- JPS523246A JPS523246A JP7934575A JP7934575A JPS523246A JP S523246 A JPS523246 A JP S523246A JP 7934575 A JP7934575 A JP 7934575A JP 7934575 A JP7934575 A JP 7934575A JP S523246 A JPS523246 A JP S523246A
- Authority
- JP
- Japan
- Prior art keywords
- control system
- tunnel ventilation
- ventilation control
- tunnel
- economically
- 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 provide tunnel ventilation system to decide most economically the tendency of pollution quantity and ventilation quantity to control by detecting both kinds of quantity.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7934575A JPS523246A (en) | 1975-06-27 | 1975-06-27 | Tunnel ventilation control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7934575A JPS523246A (en) | 1975-06-27 | 1975-06-27 | Tunnel ventilation control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS523246A true JPS523246A (en) | 1977-01-11 |
Family
ID=13687302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7934575A Pending JPS523246A (en) | 1975-06-27 | 1975-06-27 | Tunnel ventilation control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS523246A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01151258A (en) * | 1987-12-08 | 1989-06-14 | Toshiba Corp | Semiconductor cooling device |
-
1975
- 1975-06-27 JP JP7934575A patent/JPS523246A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01151258A (en) * | 1987-12-08 | 1989-06-14 | Toshiba Corp | Semiconductor cooling device |
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