FR1155413A - Ventilation installation - Google Patents
Ventilation installationInfo
- Publication number
- FR1155413A FR1155413A FR1155413DA FR1155413A FR 1155413 A FR1155413 A FR 1155413A FR 1155413D A FR1155413D A FR 1155413DA FR 1155413 A FR1155413 A FR 1155413A
- Authority
- FR
- France
- Prior art keywords
- ventilation installation
- ventilation
- installation
- 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
Links
- 238000009434 installation Methods 0.000 title 1
- 238000009423 ventilation Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1155413X | 1955-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1155413A true FR1155413A (en) | 1958-04-28 |
Family
ID=10878296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1155413D Expired FR1155413A (en) | 1955-08-15 | 1956-08-06 | Ventilation installation |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1155413A (en) |
-
1956
- 1956-08-06 FR FR1155413D patent/FR1155413A/en not_active Expired
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