FR2292138B2 - - Google Patents
Info
- Publication number
- FR2292138B2 FR2292138B2 FR7438270A FR7438270A FR2292138B2 FR 2292138 B2 FR2292138 B2 FR 2292138B2 FR 7438270 A FR7438270 A FR 7438270A FR 7438270 A FR7438270 A FR 7438270A FR 2292138 B2 FR2292138 B2 FR 2292138B2
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
- F05B2260/962—Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438270A FR2292138A2 (fr) | 1974-11-21 | 1974-11-21 | Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial |
| GB5356774A GB1454630A (en) | 1973-12-11 | 1974-12-11 | Axial-flow fan |
| US05/531,714 US3951566A (en) | 1973-12-11 | 1974-12-11 | Axial-flow fan with by-pass pipe or pipes |
| DE2458709A DE2458709C3 (de) | 1973-12-11 | 1974-12-11 | Axialgebläse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438270A FR2292138A2 (fr) | 1974-11-21 | 1974-11-21 | Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2292138A2 FR2292138A2 (fr) | 1976-06-18 |
| FR2292138B2 true FR2292138B2 (show.php) | 1979-05-25 |
Family
ID=9145124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7438270A Granted FR2292138A2 (fr) | 1973-12-11 | 1974-11-21 | Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2292138A2 (show.php) |
-
1974
- 1974-11-21 FR FR7438270A patent/FR2292138A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2292138A2 (fr) | 1976-06-18 |