NO20071071L - Rotorblad for et andre trinn i en kompressor. - Google Patents

Rotorblad for et andre trinn i en kompressor.

Info

Publication number
NO20071071L
NO20071071L NO20071071A NO20071071A NO20071071L NO 20071071 L NO20071071 L NO 20071071L NO 20071071 A NO20071071 A NO 20071071A NO 20071071 A NO20071071 A NO 20071071A NO 20071071 L NO20071071 L NO 20071071L
Authority
NO
Norway
Prior art keywords
blade
rotor
compressor
itself
axis
Prior art date
Application number
NO20071071A
Other languages
English (en)
Inventor
Alessio Novori
Salvatore Lorusso
Paolo Arinci
Original Assignee
Nuovo Pignone Spa
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 Nuovo Pignone Spa filed Critical Nuovo Pignone Spa
Publication of NO20071071L publication Critical patent/NO20071071L/no

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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • 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
    • F04D29/324—Blades
    • 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
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/288—Protective coatings for blades
    • 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
    • F04D29/38—Blades
    • 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
    • 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
    • F05D2250/70—Shape
    • F05D2250/74—Shape given by a set or table of xyz-coordinates
    • 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
    • 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
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Operation Control Of Excavators (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

Oppfinnelsen gjelder et blad (10) tilhørende en rotor i et andre trinn i en kompressor. Rotoren kan fastlegges ut fra koordinatene for en diskret kombinasjon av punkter i et kartesisk koordinatsystem (x, y, z), hvor z-aksen er en radial akse som skjærer kompressorens sentrale akse. Bladet (10) har en profil som kan fastlegges ved hjelp av en rekke lukkede skjæringskurver mellom selve profilen og et plan (x, y) i en avstand (z) fra den sentrale akse. Bladet (10) omfatter videre en fortykning (30) som i alt vesentlig strekker seg parallelt med en base (12) av selve bladet (10). Basen er egnet til å feste bladet til rotoren, og fortykningen (30) er i alt vesentlig anordnet midtveis opp på dette og er egnet for å forskyve selve bladets (10) naturlige resonansfrekvenser til et område utenfor rotorens funksj onshastighetsområde.
NO20071071A 2006-02-27 2007-02-26 Rotorblad for et andre trinn i en kompressor. NO20071071L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000340A ITMI20060340A1 (it) 2006-02-27 2006-02-27 Pala di un rotore di un secondo stadio di un compressore

Publications (1)

Publication Number Publication Date
NO20071071L true NO20071071L (no) 2007-08-28

Family

ID=38037459

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20071071A NO20071071L (no) 2006-02-27 2007-02-26 Rotorblad for et andre trinn i en kompressor.

Country Status (8)

Country Link
US (2) US7766624B2 (no)
EP (1) EP1826414B1 (no)
JP (1) JP5314851B2 (no)
KR (1) KR101433374B1 (no)
CN (1) CN101029648B (no)
CA (1) CA2579383C (no)
IT (1) ITMI20060340A1 (no)
NO (1) NO20071071L (no)

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CN104265681B (zh) * 2014-08-01 2016-08-31 中国人民解放军第五七一九工厂 改变叶片自身固有频率的方法
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Also Published As

Publication number Publication date
EP1826414B1 (en) 2012-04-11
JP5314851B2 (ja) 2013-10-16
KR20070089081A (ko) 2007-08-30
CA2579383C (en) 2016-05-03
EP1826414A2 (en) 2007-08-29
CN101029648A (zh) 2007-09-05
US7785074B2 (en) 2010-08-31
ITMI20060340A1 (it) 2007-08-28
JP2007231944A (ja) 2007-09-13
CA2579383A1 (en) 2007-08-27
EP1826414A3 (en) 2010-09-15
US7766624B2 (en) 2010-08-03
US20070201983A1 (en) 2007-08-30
US20080044288A1 (en) 2008-02-21
KR101433374B1 (ko) 2014-08-26
CN101029648B (zh) 2014-11-12

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