FR2292138A2 - Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial - Google Patents

Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial

Info

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
Application number
FR7438270A
Other languages
English (en)
French (fr)
Other versions
FR2292138B2 (ref
Inventor
Jean Mattei
Bernard Simon
Ingrid Adlerberg Epouse Vuong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electricite de France SA
Original Assignee
Electricite de France SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electricite de France SA filed Critical Electricite de France SA
Priority to FR7438270A priority Critical patent/FR2292138A2/fr
Priority to GB5356774A priority patent/GB1454630A/en
Priority to US05/531,714 priority patent/US3951566A/en
Priority to DE2458709A priority patent/DE2458709C3/de
Publication of FR2292138A2 publication Critical patent/FR2292138A2/fr
Application granted granted Critical
Publication of FR2292138B2 publication Critical patent/FR2292138B2/fr
Granted legal-status Critical Current

Links

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)
FR7438270A 1973-12-11 1974-11-21 Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial Granted FR2292138A2 (fr)

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 true FR2292138A2 (fr) 1976-06-18
FR2292138B2 FR2292138B2 (ref) 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 (ref)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2292138B2 (ref) 1979-05-25

Similar Documents

Publication Publication Date Title
GB1280113A (en) Compressors for gas turbine engines
GB1177410A (en) Improvements in Gas Turbine Engine Turbine Rotor Shrouds
GB1505534A (en) Turbines and compressors
GB1361063A (en) Turbojet aero engines having means for engine component cooling and compressor control
GB1497477A (en) Gas turbine engine
GB1219994A (en) Turbine for a compressible medium
GB1229007A (ref)
GB1085227A (en) Improvements in or relating to gas turbine engines
GB1068067A (en) Reversible compressors, evacuators or motors
GB1126469A (en) Improvements in or relating to gas turbines
JPS5525505A (en) Supercharger provided on turbine outlet with ejector
ES438664A1 (es) Aparato que comprende un motor rotatorio y una turbina de multiples etapas.
FR2292138A2 (fr) Procede et dispositif pour ameliorer le fonctionnement d'un ventilateur axial
FR2254233A5 (en) Noise reduction on axial fan - involves by transferring fraction of flow from upstream of rotor to circumference of blades
FR2422047A2 (fr) Turbine axiale destinee a fournir une puissance par une pression d'air ou d'eau. avec la combinaison de deflecteurs et de pales
GB1230125A (ref)
JPS5377319A (en) Axial-flow fan
GB765345A (en) Improvements relating to the construction of axial flow fans
GB1002596A (en) Silent high speed air turbines
GB1275970A (en) Turbine nozzle guide or stator vane assembly
FR2411300A1 (fr) Groupe turbo-compresseur
GB935231A (en) Radial flow turbines
JPS57186096A (en) Axial-flow fan
GB1003639A (en) Improvements relating to gas turbine engines
GB760864A (en) Improvements in or relating to rotary pumps