NO20035758L - Sentrifugal kompressor for hoye trykk med forbedret effektivitet - Google Patents

Sentrifugal kompressor for hoye trykk med forbedret effektivitet

Info

Publication number
NO20035758L
NO20035758L NO20035758A NO20035758A NO20035758L NO 20035758 L NO20035758 L NO 20035758L NO 20035758 A NO20035758 A NO 20035758A NO 20035758 A NO20035758 A NO 20035758A NO 20035758 L NO20035758 L NO 20035758L
Authority
NO
Norway
Prior art keywords
high pressure
centrifugal compressor
improved efficiency
centrifugal
compressor
Prior art date
Application number
NO20035758A
Other languages
English (en)
Norwegian (no)
Inventor
Stefano Mantellassi
Stefano Franchi
Giovanni Mellone
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 NO20035758L publication Critical patent/NO20035758L/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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • 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
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • 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
    • F05D2250/60—Structure; Surface texture
    • F05D2250/62—Structure; Surface texture smooth or fine
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/516—Surface roughness
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NO20035758A 2002-12-23 2003-12-22 Sentrifugal kompressor for hoye trykk med forbedret effektivitet NO20035758L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002753A ITMI20022753A1 (it) 2002-12-23 2002-12-23 Compressore centrifugo per alta pressione con efficienza migliorata

Publications (1)

Publication Number Publication Date
NO20035758L true NO20035758L (no) 2004-06-24

Family

ID=32448930

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20035758A NO20035758L (no) 2002-12-23 2003-12-22 Sentrifugal kompressor for hoye trykk med forbedret effektivitet

Country Status (7)

Country Link
US (1) US6974304B2 (ja)
EP (1) EP1433960B1 (ja)
JP (1) JP4636792B2 (ja)
AU (1) AU2003259643B2 (ja)
DE (1) DE60320519T2 (ja)
IT (1) ITMI20022753A1 (ja)
NO (1) NO20035758L (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014218663A1 (de) 2014-09-17 2016-03-17 Siemens Aktiengesellschaft Radialturbofluidenergiemaschine
DE102014219821A1 (de) * 2014-09-30 2016-03-31 Siemens Aktiengesellschaft Rückführstufe
CN113107872B (zh) * 2021-05-11 2023-02-03 内蒙古兴洋科技股份有限公司 一种用于电子高纯气体的离心压缩机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976395A (en) * 1975-09-12 1976-08-24 Igor Martynovich Kalnin Multiple-stage centrifugal compressor
US5098797B1 (en) * 1990-04-30 1997-07-01 Gen Electric Steel articles having protective duplex coatings and method of production
EP1126951B1 (en) * 1998-10-08 2004-04-07 Surface Technology Holdings, Ltd. Burnishing method and apparatus for providing a layer of compressive residual stress in the surface of a workpiece
US6280139B1 (en) * 1999-10-18 2001-08-28 Pratt & Whitney Canada Corp. Radial split diffuser
US6364084B1 (en) * 2000-02-29 2002-04-02 Warner Electric Technology, Inc. Armature for a selectively engageable and disengageable coupling
US6415486B1 (en) * 2000-03-01 2002-07-09 Surface Technology Holdings, Ltd. Method and apparatus for providing a residual stress distribution in the surface of a part
FR2814099B1 (fr) * 2000-09-21 2002-12-20 Snecma Moteurs Grenaillage transversal par ultrassons des aubes sur un rotor
US6760971B2 (en) * 2002-07-15 2004-07-13 Pratt & Whitney Canada Corp. Method of making a gas turbine engine diffuser

Also Published As

Publication number Publication date
EP1433960B1 (en) 2008-04-23
DE60320519D1 (de) 2008-06-05
EP1433960A2 (en) 2004-06-30
JP4636792B2 (ja) 2011-02-23
JP2004204848A (ja) 2004-07-22
US20040120812A1 (en) 2004-06-24
EP1433960A3 (en) 2005-09-28
AU2003259643A1 (en) 2004-07-08
ITMI20022753A1 (it) 2004-06-24
DE60320519T2 (de) 2009-06-04
AU2003259643B2 (en) 2008-10-09
US6974304B2 (en) 2005-12-13

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application