FR2975122B1 - ROTOR WITH ASYMMETRIC SPACING OF BLADES - Google Patents

ROTOR WITH ASYMMETRIC SPACING OF BLADES

Info

Publication number
FR2975122B1
FR2975122B1 FR1253171A FR1253171A FR2975122B1 FR 2975122 B1 FR2975122 B1 FR 2975122B1 FR 1253171 A FR1253171 A FR 1253171A FR 1253171 A FR1253171 A FR 1253171A FR 2975122 B1 FR2975122 B1 FR 2975122B1
Authority
FR
France
Prior art keywords
blades
rotor
asymmetric spacing
asymmetric
spacing
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.)
Expired - Fee Related
Application number
FR1253171A
Other languages
French (fr)
Other versions
FR2975122A1 (en
Inventor
Loc Quang Duong
Xiaolan Hu
Nagamany Thayalakhandan
Bo Zheng
Benjamin E Fishler
Gao Yang
Anthony C Jones
James C Napier
Jay M Francisco
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.)
Hamilton Sundstrand Corp
Original Assignee
Hamilton Sundstrand Corp
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 Hamilton Sundstrand Corp filed Critical Hamilton Sundstrand Corp
Publication of FR2975122A1 publication Critical patent/FR2975122A1/en
Application granted granted Critical
Publication of FR2975122B1 publication Critical patent/FR2975122B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR1253171A 2011-05-13 2012-04-05 ROTOR WITH ASYMMETRIC SPACING OF BLADES Expired - Fee Related FR2975122B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/107,374 US20120288373A1 (en) 2011-05-13 2011-05-13 Rotor with asymmetric blade spacing

Publications (2)

Publication Number Publication Date
FR2975122A1 FR2975122A1 (en) 2012-11-16
FR2975122B1 true FR2975122B1 (en) 2017-03-10

Family

ID=47076517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1253171A Expired - Fee Related FR2975122B1 (en) 2011-05-13 2012-04-05 ROTOR WITH ASYMMETRIC SPACING OF BLADES

Country Status (2)

Country Link
US (1) US20120288373A1 (en)
FR (1) FR2975122B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015153825A1 (en) 2014-04-04 2015-10-08 Woods Hole Oceanographic Institution Asymmetric propulsion and maneuvering system
US20190063464A1 (en) * 2017-08-31 2019-02-28 Ford Global Technologies, Llc Engine cooling fans with uneven blade spacing
CN107991200B (en) * 2017-11-24 2020-02-14 北京航空航天大学 Fatigue life prediction method for titanium alloy impeller
JP7363328B2 (en) * 2019-10-09 2023-10-18 ニデック株式会社 Impeller and axial fan
WO2022113199A1 (en) * 2020-11-25 2022-06-02 三菱重工エンジン＆ターボチャージャ株式会社 Turbo charger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150903A (en) * 1983-02-09 1984-08-29 Toshiba Corp Blade arrangement of rotary machine
US5388956A (en) * 1994-03-09 1995-02-14 General Electric Company Fan assembly and method for reducing fan noise
JP2002206499A (en) * 2001-01-10 2002-07-26 Minebea Co Ltd Impeller for axial blower
FR2824597B1 (en) * 2001-05-11 2004-04-02 Snecma Moteurs REDUCTION OF VIBRATION IN A STRUCTURE COMPRISING A ROTOR AND FIXED DISTURBANCE SOURCES
DE10326533A1 (en) * 2003-06-12 2005-01-05 Mtu Aero Engines Gmbh Rotor for a gas turbine and gas turbine
TW200722627A (en) * 2005-12-15 2007-06-16 Ind Tech Res Inst Centrifugal type pressure-increasing impeller structure
US20120099995A1 (en) * 2010-10-20 2012-04-26 General Electric Company Rotary machine having spacers for control of fluid dynamics

Also Published As

Publication number Publication date
FR2975122A1 (en) 2012-11-16
US20120288373A1 (en) 2012-11-15

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