LT3058182T - Sandarinimo atstumo kontrolė turbomašinose - Google Patents

Sandarinimo atstumo kontrolė turbomašinose

Info

Publication number
LT3058182T
LT3058182T LTEP14784043.3T LT14784043T LT3058182T LT 3058182 T LT3058182 T LT 3058182T LT 14784043 T LT14784043 T LT 14784043T LT 3058182 T LT3058182 T LT 3058182T
Authority
LT
Lithuania
Prior art keywords
turbomachines
clearance control
sealing clearance
sealing
control
Prior art date
Application number
LTEP14784043.3T
Other languages
English (en)
Inventor
Luciano Mei
Massimiliano BORGHETTI
Massimo Pinzauti
Manuele Bigi
Luca Innocenti
Alberto CECCHERINI
Marco FORMICHINI
Rajesh Mavuri
Original Assignee
Nuovo Pignone S.R.L.
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 S.R.L. filed Critical Nuovo Pignone S.R.L.
Publication of LT3058182T publication Critical patent/LT3058182T/lt

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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F01D11/06—Control thereof
    • 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Devices (AREA)
LTEP14784043.3T 2013-10-14 2014-10-10 Sandarinimo atstumo kontrolė turbomašinose LT3058182T (lt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000237A ITFI20130237A1 (it) 2013-10-14 2013-10-14 "sealing clearance control in turbomachines"
PCT/EP2014/071795 WO2015055542A1 (en) 2013-10-14 2014-10-10 Sealing clearance control in turbomachines

Publications (1)

Publication Number Publication Date
LT3058182T true LT3058182T (lt) 2020-05-25

Family

ID=49841717

Family Applications (1)

Application Number Title Priority Date Filing Date
LTEP14784043.3T LT3058182T (lt) 2013-10-14 2014-10-10 Sandarinimo atstumo kontrolė turbomašinose

Country Status (12)

Country Link
US (1) US10280932B2 (lt)
EP (1) EP3058182B1 (lt)
JP (2) JP2016534269A (lt)
KR (1) KR20160070125A (lt)
CN (1) CN105814284B (lt)
AU (1) AU2014336367A1 (lt)
CA (1) CA2926814A1 (lt)
IT (1) ITFI20130237A1 (lt)
LT (1) LT3058182T (lt)
MX (1) MX2016004787A (lt)
RU (1) RU2699115C2 (lt)
WO (1) WO2015055542A1 (lt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6809793B2 (ja) * 2016-02-08 2021-01-06 三菱重工コンプレッサ株式会社 遠心回転機械
US10533568B2 (en) * 2017-10-30 2020-01-14 Daikin Applied Americas Inc. Centrifugal compressor with seal bearing
KR102576164B1 (ko) 2017-12-26 2023-09-11 전대연 스마트 차량공유 매칭정보 제공앱 시스템
US20200355194A1 (en) * 2019-05-06 2020-11-12 Carrier Corporation Seal assembly for compressor
US11280208B2 (en) 2019-08-14 2022-03-22 Pratt & Whitney Canada Corp. Labyrinth seal assembly
KR102164322B1 (ko) * 2020-02-21 2020-10-12 (주)제우스이엔지 연동형 웨어링을 갖는 원심펌프

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941885B1 (lt) * 1969-10-16 1974-11-12
JPS4855106U (lt) * 1971-11-04 1973-07-16
US3874676A (en) * 1974-03-21 1975-04-01 Carrier Corp Cooling apparatus for shaft seal
US3966351A (en) * 1974-05-15 1976-06-29 Robert Stanley Sproule Drag reduction system in shrouded turbo machine
FR2574473B1 (fr) * 1984-11-22 1987-03-20 Snecma Anneau de turbine pour une turbomachine a gaz
JPH0133885Y2 (lt) * 1985-11-01 1989-10-16
JPS63182368U (lt) 1987-05-19 1988-11-24
JPH02130296A (ja) 1988-11-11 1990-05-18 Hitachi Ltd ターボ機械の軸封装置
US4978278A (en) * 1989-07-12 1990-12-18 Union Carbide Corporation Turbomachine with seal fluid recovery channel
JP2934530B2 (ja) * 1991-06-14 1999-08-16 三菱重工業株式会社 遠心圧縮機
US5297928A (en) * 1992-06-15 1994-03-29 Mitsubishi Jukogyo Kabushiki Kaisha Centrifugal compressor
DE19756734A1 (de) 1997-12-19 1999-06-24 Bmw Rolls Royce Gmbh Passives Spalthaltungssystem einer Gasturbine
DE59809867D1 (de) 1998-05-25 2003-11-13 Abb Turbo Systems Ag Baden Radialverdichter
CN1191433C (zh) * 1999-10-20 2005-03-02 Abb涡轮系统有限公司 涡轮机转子定子间径向隙缝之气流的间接冷却方法和装置
US6276896B1 (en) 2000-07-25 2001-08-21 Joseph C. Burge Apparatus and method for cooling Axi-Centrifugal impeller
DE502005010381D1 (de) 2005-04-28 2010-11-25 Siemens Ag Verfahren und Vorrichtung zur Einstellung eines Radialspaltes eines axial durchströmten Verdichters einer Strömungsmaschine
FR2904034B1 (fr) 2006-07-19 2010-11-12 Snecma Systeme de refroidissement d'une cavite aval de rouet de compresseur centrifuge.
FR2904035B1 (fr) 2006-07-19 2008-08-29 Snecma Sa Systeme de refroidissement du rouet d'un compresseur centrifuge.
JP4655123B2 (ja) * 2008-08-07 2011-03-23 株式会社日立プラントテクノロジー 遠心圧縮機
US8021103B2 (en) 2008-10-29 2011-09-20 General Electric Company Pressure activated flow path seal for a steam turbine
JP5558120B2 (ja) * 2010-01-12 2014-07-23 株式会社東芝 蒸気タービンのロータ冷却装置及びこの冷却装置を備えた蒸気タービン
US20120177902A1 (en) 2011-01-06 2012-07-12 Driscoll Judith L Multiferroics that are both ferroelectric and ferromagnetic at room temperature
RU2496991C1 (ru) 2012-05-21 2013-10-27 Николай Борисович Болотин Турбина двухконтурного газотурбинного двигателя

Also Published As

Publication number Publication date
MX2016004787A (es) 2016-07-26
US10280932B2 (en) 2019-05-07
AU2014336367A1 (en) 2016-04-21
WO2015055542A1 (en) 2015-04-23
US20160238015A1 (en) 2016-08-18
EP3058182B1 (en) 2019-12-04
CA2926814A1 (en) 2015-04-23
ITFI20130237A1 (it) 2015-04-15
JP6974543B2 (ja) 2021-12-01
EP3058182A1 (en) 2016-08-24
RU2016112982A (ru) 2017-11-21
RU2699115C2 (ru) 2019-09-03
CN105814284B (zh) 2019-04-23
CN105814284A (zh) 2016-07-27
KR20160070125A (ko) 2016-06-17
RU2016112982A3 (lt) 2018-07-13
JP2020165432A (ja) 2020-10-08
JP2016534269A (ja) 2016-11-04

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