CH478994A - Blade arrangement on axial compressor, blower or fan - Google Patents

Blade arrangement on axial compressor, blower or fan

Info

Publication number
CH478994A
CH478994A CH649964A CH649964A CH478994A CH 478994 A CH478994 A CH 478994A CH 649964 A CH649964 A CH 649964A CH 649964 A CH649964 A CH 649964A CH 478994 A CH478994 A CH 478994A
Authority
CH
Switzerland
Prior art keywords
blower
fan
axial compressor
blade arrangement
blade
Prior art date
Application number
CH649964A
Other languages
German (de)
Inventor
Jerie Jan
Nemec Jaroslav
Moravec Zdenek
Original Assignee
Jerie Jan
Nemec Jaroslav
Moravec Zdenek
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 Jerie Jan, Nemec Jaroslav, Moravec Zdenek filed Critical Jerie Jan
Publication of CH478994A publication Critical patent/CH478994A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH649964A 1963-05-21 1964-05-19 Blade arrangement on axial compressor, blower or fan CH478994A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH478994A true CH478994A (en) 1969-09-30

Family

ID=5367464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH649964A CH478994A (en) 1963-05-21 1964-05-19 Blade arrangement on axial compressor, blower or fan

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
FR2719551B1 (en) * 1994-05-04 1996-07-12 Eurocopter France Anti-torque device with faired rotor and stator rectifier and inclined rectifier vanes.
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.
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
US8246292B1 (en) * 2012-01-31 2012-08-21 United Technologies Corporation Low noise turbine for geared turbofan engine
US8632301B2 (en) 2012-01-31 2014-01-21 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US8714913B2 (en) 2012-01-31 2014-05-06 United Technologies 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
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
US11719161B2 (en) 2013-03-14 2023-08-08 Raytheon Technologies Corporation Low noise turbine for geared gas turbine engine
US10605172B2 (en) 2013-03-14 2020-03-31 United 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
US3270953A (en) 1966-09-06
DE1428141A1 (en) 1969-01-23
AT242856B (en) 1965-10-11
DE1428141B2 (en) 1972-10-19
GB1019158A (en) 1966-02-02

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Legal Events

Date Code Title Description
PL Patent ceased