AT286487B - Einrichtung zur Geräuschverminderung an mehrschaufligen Radialverdichterrädern mit geraden Schaufeln, insbesondere an Radiallüftern - Google Patents

Einrichtung zur Geräuschverminderung an mehrschaufligen Radialverdichterrädern mit geraden Schaufeln, insbesondere an Radiallüftern

Info

Publication number
AT286487B
AT286487B AT425269A AT425269A AT286487B AT 286487 B AT286487 B AT 286487B AT 425269 A AT425269 A AT 425269A AT 425269 A AT425269 A AT 425269A AT 286487 B AT286487 B AT 286487B
Authority
AT
Austria
Prior art keywords
radial
noise reduction
compressor wheels
straight blades
fans
Prior art date
Application number
AT425269A
Other languages
English (en)
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Application granted granted Critical
Publication of AT286487B publication Critical patent/AT286487B/de

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AT425269A 1969-02-24 1969-05-02 Einrichtung zur Geräuschverminderung an mehrschaufligen Radialverdichterrädern mit geraden Schaufeln, insbesondere an Radiallüftern AT286487B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH280169A CH495651A (de) 1969-02-24 1969-02-24 Einrichtung zur Geräuschverminderung an mehrschaufligen Radialverdichterrädern, insbesondere Radiallüftern zur Kühlung eigenbelüfteter elektrischer Maschinen

Publications (1)

Publication Number Publication Date
AT286487B true AT286487B (de) 1970-12-10

Family

ID=4241889

Family Applications (1)

Application Number Title Priority Date Filing Date
AT425269A AT286487B (de) 1969-02-24 1969-05-02 Einrichtung zur Geräuschverminderung an mehrschaufligen Radialverdichterrädern mit geraden Schaufeln, insbesondere an Radiallüftern

Country Status (4)

Country Link
AT (1) AT286487B (de)
CH (1) CH495651A (de)
DE (1) DE6916019U (de)
FR (1) FR2037117B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
FR2745439B1 (fr) * 1996-02-28 1998-04-10 Valeo Equip Electr Moteur Alternateur de vehicule automobile a ventilation interne muni d'un palier perfectionne
IT201700087339A1 (it) 2017-07-28 2019-01-28 Hitachi Rail Italy S P A Gruppo motore elettrico per la trazione ferroviaria

Also Published As

Publication number Publication date
DE1920267A1 (de) 1970-09-10
FR2037117A1 (de) 1970-12-31
DE6916019U (de) 1970-12-10
DE1920267B2 (de) 1977-05-26
FR2037117B1 (de) 1974-11-15
CH495651A (de) 1970-08-31

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