FR2276489B3 - - Google Patents
Info
- Publication number
- FR2276489B3 FR2276489B3 FR7423210A FR7423210A FR2276489B3 FR 2276489 B3 FR2276489 B3 FR 2276489B3 FR 7423210 A FR7423210 A FR 7423210A FR 7423210 A FR7423210 A FR 7423210A FR 2276489 B3 FR2276489 B3 FR 2276489B3
- Authority
- FR
- France
- 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
Classifications
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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
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- 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
- E21F1/04—Air ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/10—Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means
- F02M7/106—Fluid amplifier as a device for influencing the fuel-air mixture
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7423210A FR2276489A1 (fr) | 1974-06-28 | 1974-06-28 | Perfectionnement aux ventilateurs accelerateurs pour la ventilation longitudinale des tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7423210A FR2276489A1 (fr) | 1974-06-28 | 1974-06-28 | Perfectionnement aux ventilateurs accelerateurs pour la ventilation longitudinale des tunnels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2276489A1 FR2276489A1 (fr) | 1976-01-23 |
| FR2276489B3 true FR2276489B3 (esLanguage) | 1977-05-06 |
Family
ID=9140856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7423210A Granted FR2276489A1 (fr) | 1974-06-28 | 1974-06-28 | Perfectionnement aux ventilateurs accelerateurs pour la ventilation longitudinale des tunnels |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2276489A1 (esLanguage) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19920513A1 (de) * | 1999-05-05 | 2000-11-09 | Witt & Sohn Gmbh & Co | Strahlventilator |
| NO338760B1 (no) * | 2014-02-06 | 2016-10-17 | W Giertsen As | System og framgangsmåte for ventilasjon av fjellrom, samt en viftekonstruksjon |
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1974
- 1974-06-28 FR FR7423210A patent/FR2276489A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2276489A1 (fr) | 1976-01-23 |