IN2012DE03365A - - Google Patents

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Publication number
IN2012DE03365A
IN2012DE03365A IN3365DE2012A IN2012DE03365A IN 2012DE03365 A IN2012DE03365 A IN 2012DE03365A IN 3365DE2012 A IN3365DE2012 A IN 3365DE2012A IN 2012DE03365 A IN2012DE03365 A IN 2012DE03365A
Authority
IN
India
Application number
Inventor
Giacomo Landi
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 IN2012DE03365A publication Critical patent/IN2012DE03365A/en

Links

Classifications

    • 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
    • F01D9/00—Stators
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/56—Brush seals
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
IN3365DE2012 2011-12-05 2012-11-01 IN2012DE03365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000058A ITCO20110058A1 (en) 2011-12-05 2011-12-05 turbomachinery

Publications (1)

Publication Number Publication Date
IN2012DE03365A true IN2012DE03365A (en) 2015-06-26

Family

ID=45571625

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3365DE2012 IN2012DE03365A (en) 2011-12-05 2012-11-01

Country Status (7)

Country Link
US (1) US9470101B2 (en)
EP (1) EP2602436B1 (en)
JP (1) JP2013117225A (en)
CN (1) CN103133403B (en)
IN (1) IN2012DE03365A (en)
IT (1) ITCO20110058A1 (en)
RU (1) RU2622451C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITCO20110058A1 (en) * 2011-12-05 2013-06-06 Nuovo Pignone Spa turbomachinery
JP6783257B2 (en) * 2018-01-31 2020-11-11 三菱重工業株式会社 Axial rotating machine
DE102019201269A1 (en) * 2019-01-31 2020-08-06 hpf - high pressure fans GmbH High pressure radial fan
GB2596547A (en) * 2020-06-30 2022-01-05 Dyson Technology Ltd Seal for a compressor

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450553A (en) 1973-11-23 1976-09-22 Rolls Royce Seals and a method of manufacture thereof
US4273510A (en) * 1974-03-21 1981-06-16 Maschinenfabrik Augsburg-Nunberg Aktiengesellschaft Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
JPS54103910A (en) * 1978-02-01 1979-08-15 Hitachi Ltd Seal structure for tips of moving vanes of axial-flow machine
CH655357A5 (en) * 1981-09-28 1986-04-15 Sulzer Ag Method and device for reducing the axial thrust in turbo machines
JPS59226299A (en) * 1983-06-06 1984-12-19 Mitsubishi Heavy Ind Ltd Rotary fluid machine
DE3425162C2 (en) 1984-07-07 1987-05-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Radial gap seal
JPS6123804A (en) * 1984-07-10 1986-02-01 Hitachi Ltd Turbine stage structure
US4595207A (en) * 1985-07-09 1986-06-17 Mtu Motoren-Und Turbinen-Union Munchen Gmbh Brush seal labyrinth sealing means between two machine parts
DE3606283A1 (en) 1985-07-31 1987-02-12 Mtu Muenchen Gmbh BRUSH SEAL
DE3907614C2 (en) 1988-01-29 2000-08-03 Mtu Muenchen Gmbh Brush seal
DE69122809T2 (en) 1990-07-06 1997-03-27 Mitsubishi Heavy Ind Ltd Displacement machine based on the spiral principle
GB9020317D0 (en) 1990-09-18 1990-10-31 Cross Mfg Co Sealing devices
US5106104A (en) 1990-10-11 1992-04-21 General Electric Company Constant pressure drop multiple stage brush seal
US5201530A (en) 1991-10-18 1993-04-13 United Technologies Corporation Multi-layered brush seal
US5318309A (en) 1992-05-11 1994-06-07 General Electric Company Brush seal
US5308088A (en) 1992-08-20 1994-05-03 General Electric Company Brush seal with flexible backing plate
US5568931A (en) 1992-08-20 1996-10-29 General Electric Company Brush seal
US5474306A (en) 1992-11-19 1995-12-12 General Electric Co. Woven seal and hybrid cloth-brush seals for turbine applications
GB9317083D0 (en) 1993-08-17 1993-09-29 Rolls Royce Plc A brush seal
US5439347A (en) * 1994-08-31 1995-08-08 Brandon; Ronald E. Turbine tip seal damage protection means
FR2724412B1 (en) 1994-09-14 1996-10-25 Snecma BLADE OF A TURBOMACHINE IN COMPOSITE MATERIAL PROVIDED WITH A SEAL AND ITS MANUFACTURING METHOD
IT1284468B1 (en) 1995-07-28 1998-05-21 Mtu Muenchen Gmbh BRUSH GASKET FOR TURBOMACHINES
US6318728B1 (en) * 1997-07-11 2001-11-20 Demag Delaval Turbomachinery Corporation Brush-seal designs for elastic fluid turbines
US7931276B2 (en) 2002-03-20 2011-04-26 United Technologies Corporation Brush seal
US20060237914A1 (en) * 2003-06-20 2006-10-26 Elliott Company Swirl-reversal abradable labyrinth seal
FR2865012B1 (en) 2004-01-12 2006-03-17 Snecma Moteurs SEALING DEVICE FOR TURBOMACHINE HIGH-PRESSURE TURBINE
US20090004032A1 (en) * 2007-03-29 2009-01-01 Ebara International Corporation Deswirl mechanisms and roller bearings in an axial thrust equalization mechanism for liquid cryogenic turbomachinery
JP5314256B2 (en) * 2007-06-06 2013-10-16 三菱重工業株式会社 SEALING DEVICE FOR ROTARY FLUID MACHINE AND ROTARY FLUID MACHINE
US7775763B1 (en) * 2007-06-21 2010-08-17 Florida Turbine Technologies, Inc. Centrifugal pump with rotor thrust balancing seal
JP5517530B2 (en) * 2009-09-03 2014-06-11 三菱重工業株式会社 Turbine
JP2012007592A (en) * 2010-06-28 2012-01-12 Mitsubishi Heavy Ind Ltd Seal device, and fluid machine provided with the same
JP2011106474A (en) * 2011-03-04 2011-06-02 Toshiba Corp Axial flow turbine stage and axial flow turbine
ITCO20110058A1 (en) * 2011-12-05 2013-06-06 Nuovo Pignone Spa turbomachinery

Also Published As

Publication number Publication date
EP2602436A1 (en) 2013-06-12
CN103133403A (en) 2013-06-05
US20130142641A1 (en) 2013-06-06
JP2013117225A (en) 2013-06-13
RU2622451C2 (en) 2017-06-15
ITCO20110058A1 (en) 2013-06-06
EP2602436B1 (en) 2016-02-03
CN103133403B (en) 2016-12-21
US9470101B2 (en) 2016-10-18
RU2012153054A (en) 2014-06-10

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