DE2208724A1 - Turbomaschine, insbesondere Axial kompressor - Google Patents

Turbomaschine, insbesondere Axial kompressor

Info

Publication number
DE2208724A1
DE2208724A1 DE19722208724 DE2208724A DE2208724A1 DE 2208724 A1 DE2208724 A1 DE 2208724A1 DE 19722208724 DE19722208724 DE 19722208724 DE 2208724 A DE2208724 A DE 2208724A DE 2208724 A1 DE2208724 A1 DE 2208724A1
Authority
DE
Germany
Prior art keywords
amplitude
frequency
compressor
blades
stage
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.)
Pending
Application number
DE19722208724
Other languages
German (de)
English (en)
Inventor
Jacques Edouard Fontenay aux Roses Lamy (Frankreich)
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Publication of DE2208724A1 publication Critical patent/DE2208724A1/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE19722208724 1971-02-25 1972-02-24 Turbomaschine, insbesondere Axial kompressor Pending DE2208724A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7106496A FR2126109B1 (enExample) 1971-02-25 1971-02-25

Publications (1)

Publication Number Publication Date
DE2208724A1 true DE2208724A1 (de) 1972-09-21

Family

ID=9072486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722208724 Pending DE2208724A1 (de) 1971-02-25 1972-02-24 Turbomaschine, insbesondere Axial kompressor

Country Status (3)

Country Link
DE (1) DE2208724A1 (enExample)
FR (1) FR2126109B1 (enExample)
GB (1) GB1346023A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2942645B1 (fr) * 2009-02-27 2011-04-01 Snecma Aubes de soufflante a calage cyclique applique par une piste de guidage.
US9200594B2 (en) 2009-02-27 2015-12-01 Snecma Gas turbine engine having fan blades of adjustable pitch with cyclic setting
FR2942644B1 (fr) * 2009-02-27 2011-05-13 Snecma Aubes de soufflante a calage cyclique.
FR2976982B1 (fr) * 2011-06-23 2015-02-27 Snecma Soufflante pour turboreacteur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596504A (enExample) * 1968-07-17 1970-06-22

Also Published As

Publication number Publication date
FR2126109B1 (enExample) 1975-02-21
GB1346023A (en) 1974-02-06
FR2126109A1 (enExample) 1972-10-06

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee