FR2292138A2 - Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial - Google Patents
Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axialInfo
- Publication number
- FR2292138A2 FR2292138A2 FR7438270A FR7438270A FR2292138A2 FR 2292138 A2 FR2292138 A2 FR 2292138A2 FR 7438270 A FR7438270 A FR 7438270A FR 7438270 A FR7438270 A FR 7438270A FR 2292138 A2 FR2292138 A2 FR 2292138A2
- Authority
- FR
- France
- Prior art keywords
- blades
- flow
- circumference
- rotor
- involves
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 title 1
- 230000010349 pulsation Effects 0.000 abstract 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
- F04D29/66—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
-
- 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
-
- 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 |
DE2458709A DE2458709C3 (de) | 1973-12-11 | 1974-12-11 | Axialgebläse |
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 |
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 true FR2292138A2 (fr) | 1976-06-18 |
FR2292138B2 FR2292138B2 (fr) | 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 (fr) |
-
1974
- 1974-11-21 FR FR7438270A patent/FR2292138A2/fr active Granted
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
FR2292138B2 (fr) | 1979-05-25 |
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