AT242856B - Axial compressor, blower or fan with reduced noise generation - Google Patents

Axial compressor, blower or fan with reduced noise generation

Info

Publication number
AT242856B
AT242856B AT441964A AT441964A AT242856B AT 242856 B AT242856 B AT 242856B AT 441964 A AT441964 A AT 441964A AT 441964 A AT441964 A AT 441964A AT 242856 B AT242856 B AT 242856B
Authority
AT
Austria
Prior art keywords
blower
fan
noise generation
reduced noise
axial compressor
Prior art date
Application number
AT441964A
Other languages
German (de)
Inventor
Jan Jerie
Jaroslav Nemec
Zdenek Moravec
Original Assignee
Jan Jerie
Jaroslav Nemec
Zdenek Moravec
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 Jan Jerie, Jaroslav Nemec, Zdenek Moravec filed Critical Jan Jerie
Application granted granted Critical
Publication of AT242856B publication Critical patent/AT242856B/en

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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer
AT441964A 1963-05-21 1964-05-21 Axial compressor, blower or fan with reduced noise generation AT242856B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS290063 1963-05-21

Publications (1)

Publication Number Publication Date
AT242856B true AT242856B (en) 1965-10-11

Family

ID=5367464

Family Applications (1)

Application Number Title Priority Date Filing Date
AT441964A AT242856B (en) 1963-05-21 1964-05-21 Axial compressor, blower or fan with reduced noise generation

Country Status (5)

Country Link
US (1) US3270953A (en)
AT (1) AT242856B (en)
CH (1) CH478994A (en)
DE (1) DE1428141B2 (en)
GB (1) GB1019158A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574477A (en) * 1969-02-19 1971-04-13 Boeing Co Noise attenuating system for rotary engines
CH516747A (en) * 1970-05-27 1971-12-15 Bbc Brown Boveri & Cie Method and blading to reduce the snaking movement of a mass particle when flowing through a turbo machine
US4046489A (en) * 1975-10-08 1977-09-06 Eagle Motive Industries, Inc. Aerodynamic fan blade
US4131387A (en) * 1976-02-27 1978-12-26 General Electric Company Curved blade turbomachinery noise reduction
GB2054058B (en) * 1979-06-16 1983-04-20 Rolls Royce Reducing rotor noise
US4431376A (en) * 1980-10-27 1984-02-14 United Technologies Corporation Airfoil shape for arrays of airfoils
US5169288A (en) * 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
FR2719550B1 (en) * 1994-05-04 1996-07-26 Eurocopter France Anti-torque device with faired rotor and stator rectifier, and phase modulation of the rotor blades, for helicopters.
FR2719551B1 (en) * 1994-05-04 1996-07-12 Eurocopter France Anti-torque device with faired rotor and stator rectifier and inclined rectifier vanes.
DE102004016246A1 (en) * 2004-04-02 2005-10-20 Mtu Aero Engines Gmbh Turbine, in particular low-pressure turbine, a gas turbine, in particular an aircraft engine
US8632301B2 (en) 2012-01-31 2014-01-21 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US8246292B1 (en) 2012-01-31 2012-08-21 United Technologies Corporation Low noise turbine for geared turbofan engine
US8714913B2 (en) 2012-01-31 2014-05-06 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US9624834B2 (en) 2012-09-28 2017-04-18 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US8834099B1 (en) 2012-09-28 2014-09-16 United Technoloiies Corporation Low noise compressor rotor for geared turbofan engine
US20160138474A1 (en) 2012-09-28 2016-05-19 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US10605172B2 (en) 2013-03-14 2020-03-31 United Technologies Corporation Low noise turbine for geared gas turbine engine
US11719161B2 (en) 2013-03-14 2023-08-08 Raytheon Technologies Corporation Low noise turbine for geared gas turbine engine
CN112228402B (en) * 2020-09-25 2022-03-29 杭州微光电子股份有限公司 Fan guiding device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB226203A (en) * 1923-12-10 1925-07-23 Oerlikon Maschf Improvements in stators and rotors for turbines
US1585218A (en) * 1924-03-26 1926-05-18 Watanabe Gennojo Soundless double propeller for aeroplanes
US2191341A (en) * 1937-02-26 1940-02-20 Jeffrey Mfg Co Ventilator
US3194487A (en) * 1963-06-04 1965-07-13 United Aircraft Corp Noise abatement method and apparatus

Also Published As

Publication number Publication date
DE1428141B2 (en) 1972-10-19
CH478994A (en) 1969-09-30
US3270953A (en) 1966-09-06
GB1019158A (en) 1966-02-02
DE1428141A1 (en) 1969-01-23

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