BR112012015293A2 - sistema vedante para um compressor centrífugo, método para reduzir o fluxo de vazamento e compressor centrífugo - Google Patents

sistema vedante para um compressor centrífugo, método para reduzir o fluxo de vazamento e compressor centrífugo

Info

Publication number
BR112012015293A2
BR112012015293A2 BR112012015293A BR112012015293A BR112012015293A2 BR 112012015293 A2 BR112012015293 A2 BR 112012015293A2 BR 112012015293 A BR112012015293 A BR 112012015293A BR 112012015293 A BR112012015293 A BR 112012015293A BR 112012015293 A2 BR112012015293 A2 BR 112012015293A2
Authority
BR
Brazil
Prior art keywords
centrifugal compressor
sealing system
reduce leakage
centrifugal
compressor
Prior art date
Application number
BR112012015293A
Other languages
English (en)
Inventor
Nuo Sheng
Roderick Lusted
Vittorio Michelassi
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 BR112012015293A2 publication Critical patent/BR112012015293A2/pt

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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • 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
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance
    • 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
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/12—Kind or type gaseous, i.e. compressible
    • 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
    • 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
    • Y10S417/00—Pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Devices (AREA)
BR112012015293A 2009-12-22 2010-12-07 sistema vedante para um compressor centrífugo, método para reduzir o fluxo de vazamento e compressor centrífugo BR112012015293A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITCO2009A000071A IT1397706B1 (it) 2009-12-22 2009-12-22 Tenuta che si puo' abradere con spostamento assiale.
PCT/US2010/059258 WO2011078962A1 (en) 2009-12-22 2010-12-07 Abradable seal with axial offset

Publications (1)

Publication Number Publication Date
BR112012015293A2 true BR112012015293A2 (pt) 2016-03-15

Family

ID=42359428

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012015293A BR112012015293A2 (pt) 2009-12-22 2010-12-07 sistema vedante para um compressor centrífugo, método para reduzir o fluxo de vazamento e compressor centrífugo

Country Status (12)

Country Link
US (1) US9347459B2 (pt)
EP (1) EP2516867B1 (pt)
JP (1) JP5802217B2 (pt)
KR (1) KR20120115336A (pt)
CN (1) CN102762872B (pt)
AU (1) AU2010333871B2 (pt)
BR (1) BR112012015293A2 (pt)
CA (1) CA2784940A1 (pt)
IT (1) IT1397706B1 (pt)
MX (1) MX2012007454A (pt)
RU (1) RU2550217C2 (pt)
WO (1) WO2011078962A1 (pt)

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IT1397706B1 (it) * 2009-12-22 2013-01-24 Nuovo Pignone Spa Tenuta che si puo' abradere con spostamento assiale.
CN102345623A (zh) * 2011-07-20 2012-02-08 浙江义乌星耀风机有限公司 具有防爆定子结构的煤气轴流风机及其制造方法
JP5743099B2 (ja) * 2012-02-24 2015-07-01 三菱重工コンプレッサ株式会社 圧縮機
US9598973B2 (en) 2012-11-28 2017-03-21 General Electric Company Seal systems for use in turbomachines and methods of fabricating the same
WO2015030956A1 (en) * 2013-08-28 2015-03-05 Dresser-Rand Company Self-centering labyrinth seal
JP6373500B2 (ja) * 2014-08-08 2018-08-15 シーメンス エナジー インコーポレイテッド ガスタービンエンジン内のステージ間シールハウジング最適化システム
WO2016059348A1 (fr) * 2014-10-15 2016-04-21 Snecma Ensemble rotatif pour turbomachine comprenant une virole de rotor auto-portee
JP6161208B2 (ja) * 2014-10-30 2017-07-12 三菱日立パワーシステムズ株式会社 クリアランス制御型シール構造
KR101584156B1 (ko) * 2014-12-22 2016-01-22 주식회사 포스코 가스 터빈용 씨일 및 이를 구비하는 씨일 조립체
KR101675277B1 (ko) * 2015-10-02 2016-11-11 두산중공업 주식회사 가스터빈의 팁간극 조절 조립체
CN105673091B (zh) * 2016-01-18 2017-07-11 沈阳航空航天大学 一种具有气体悬浮效应的密封间隙自调整汽封装置
EP3333372A1 (en) * 2016-12-09 2018-06-13 General Electric Technology GmbH Turbine, corresponding steam turbine and operating method
RU2667245C2 (ru) * 2017-01-10 2018-09-18 Андрей Витальевич Билан Луночные уплотнения паровой турбины
DE102017204588B4 (de) * 2017-03-20 2019-03-28 KSB SE & Co. KGaA Verbundbauteil
KR102035657B1 (ko) * 2018-03-07 2019-10-23 두산중공업 주식회사 터빈 장치
US11525405B2 (en) * 2018-03-07 2022-12-13 Doosan Enerbility Co., Ltd. Turbine apparatus
BE1026993B1 (nl) * 2019-01-29 2020-08-24 Atlas Copco Airpower Nv Drooglopend Systeem met Slijtwillig Afdichtingselement, Afdichtingselement Daarvoor en Werkwijze voor het Samenstellen van het Systeem
KR102101462B1 (ko) * 2019-10-17 2020-04-16 두산중공업 주식회사 터빈 장치

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Also Published As

Publication number Publication date
AU2010333871A1 (en) 2012-07-12
US9347459B2 (en) 2016-05-24
EP2516867B1 (en) 2016-06-01
US20130142628A1 (en) 2013-06-06
JP2013515205A (ja) 2013-05-02
IT1397706B1 (it) 2013-01-24
JP5802217B2 (ja) 2015-10-28
WO2011078962A1 (en) 2011-06-30
RU2550217C2 (ru) 2015-05-10
EP2516867A1 (en) 2012-10-31
CN102762872B (zh) 2015-07-08
CN102762872A (zh) 2012-10-31
AU2010333871B2 (en) 2016-03-10
RU2012125897A (ru) 2014-01-27
KR20120115336A (ko) 2012-10-17
ITCO20090071A1 (it) 2011-06-23
MX2012007454A (es) 2012-11-21
CA2784940A1 (en) 2011-06-30

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]