FR1120261A - Improvements to ventilator installations, especially for mines - Google Patents
Improvements to ventilator installations, especially for minesInfo
- Publication number
- FR1120261A FR1120261A FR1120261DA FR1120261A FR 1120261 A FR1120261 A FR 1120261A FR 1120261D A FR1120261D A FR 1120261DA FR 1120261 A FR1120261 A FR 1120261A
- Authority
- FR
- France
- Prior art keywords
- mines
- ventilator
- installations
- ventilator installations
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- 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
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 |
---|---|---|---|
FR1120261T | 1955-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1120261A true FR1120261A (en) | 1956-07-03 |
Family
ID=9631423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1120261D Expired FR1120261A (en) | 1955-01-22 | 1955-01-22 | Improvements to ventilator installations, especially for mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1120261A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4285269A (en) * | 1978-03-13 | 1981-08-25 | T. A. Pelsue Company | Portable ventilating apparatus for purging underground installations and the like |
CN109356635A (en) * | 2018-12-10 | 2019-02-19 | 河北能源职业技术学院 | Safety of coal mines ventilation device |
-
1955
- 1955-01-22 FR FR1120261D patent/FR1120261A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4285269A (en) * | 1978-03-13 | 1981-08-25 | T. A. Pelsue Company | Portable ventilating apparatus for purging underground installations and the like |
CN109356635A (en) * | 2018-12-10 | 2019-02-19 | 河北能源职业技术学院 | Safety of coal mines ventilation device |
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