CN110312847A - 轴流旋转机械 - Google Patents

轴流旋转机械 Download PDF

Info

Publication number
CN110312847A
CN110312847A CN201880012746.0A CN201880012746A CN110312847A CN 110312847 A CN110312847 A CN 110312847A CN 201880012746 A CN201880012746 A CN 201880012746A CN 110312847 A CN110312847 A CN 110312847A
Authority
CN
China
Prior art keywords
upstream
shroud
downstream
downstream side
flow
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201880012746.0A
Other languages
English (en)
Chinese (zh)
Inventor
小西英治
桑村祥弘
松本和幸
深尾伸次
椙下秀昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of CN110312847A publication Critical patent/CN110312847A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • 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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • 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
    • F16J15/447—Labyrinth packings
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CN201880012746.0A 2017-02-23 2018-02-23 轴流旋转机械 Pending CN110312847A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017-032371 2017-02-23
JP2017032371A JP6706585B2 (ja) 2017-02-23 2017-02-23 軸流回転機械
PCT/JP2018/006802 WO2018155652A1 (ja) 2017-02-23 2018-02-23 軸流回転機械

Publications (1)

Publication Number Publication Date
CN110312847A true CN110312847A (zh) 2019-10-08

Family

ID=63253827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880012746.0A Pending CN110312847A (zh) 2017-02-23 2018-02-23 轴流旋转机械

Country Status (5)

Country Link
US (1) US11066946B2 (https=)
JP (1) JP6706585B2 (https=)
CN (1) CN110312847A (https=)
DE (1) DE112018000966T5 (https=)
WO (1) WO2018155652A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7235595B2 (ja) * 2019-05-31 2023-03-08 三菱重工業株式会社 回転機械
DE102024115122A1 (de) * 2024-05-29 2025-12-04 Ebm-Papst Mulfingen Gmbh & Co. Kg Berührungslose dynamische Dichtung zur Abdichtung eines Radialspalts

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311205A (ja) * 1997-05-14 1998-11-24 Toshiba Corp 軸流タービン
JP2009243287A (ja) * 2008-03-28 2009-10-22 Toshiba Corp 軸流タービン
CN102042043A (zh) * 2009-10-14 2011-05-04 通用电气公司 用于间隙流控制的涡流室
CN103228871A (zh) * 2010-12-22 2013-07-31 三菱重工业株式会社 涡轮
CN104204419A (zh) * 2012-03-23 2014-12-10 三菱日立电力系统株式会社 涡轮

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114402A (ja) 1974-07-25 1976-02-04 Ueno Chem Ind Ofusetsutoinsatsuban mataha shotsukotsushikiinsatsubanno seizohohono kairyonarabinisoreni shosuru genzoratsukaa
JPS6123804A (ja) * 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
JPS6397804A (ja) * 1986-10-13 1988-04-28 Toshiba Corp 蒸気タービン
JP2007138864A (ja) 2005-11-21 2007-06-07 Toshiba Corp 蒸気タービン段落および蒸気タービン
DE102009042857A1 (de) * 2009-09-24 2011-03-31 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit Deckband-Labyrinthdichtung
JP2011080452A (ja) 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
CN102472109B (zh) * 2009-12-07 2015-04-01 三菱日立电力系统株式会社 涡轮机及涡轮机动叶片
JP5709447B2 (ja) * 2010-09-28 2015-04-30 三菱日立パワーシステムズ株式会社 タービン
JP5518022B2 (ja) * 2011-09-20 2014-06-11 三菱重工業株式会社 タービン
US9260972B2 (en) * 2012-07-03 2016-02-16 United Technologies Corporation Tip leakage flow directionality control
US20150260042A1 (en) * 2012-07-11 2015-09-17 Mitsubishi Hitachi Power Systems, Ltd. Axial Flow Machine
JP6131177B2 (ja) * 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
JP6296649B2 (ja) 2014-03-04 2018-03-20 三菱日立パワーシステムズ株式会社 シール構造、及び回転機械
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械
JP6530918B2 (ja) * 2015-01-22 2019-06-12 三菱日立パワーシステムズ株式会社 タービン
JP6209200B2 (ja) * 2015-12-09 2017-10-04 三菱日立パワーシステムズ株式会社 ステップシール，シール構造，ターボ機械及びステップシールの製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311205A (ja) * 1997-05-14 1998-11-24 Toshiba Corp 軸流タービン
JP2009243287A (ja) * 2008-03-28 2009-10-22 Toshiba Corp 軸流タービン
CN102042043A (zh) * 2009-10-14 2011-05-04 通用电气公司 用于间隙流控制的涡流室
CN103228871A (zh) * 2010-12-22 2013-07-31 三菱重工业株式会社 涡轮
CN104204419A (zh) * 2012-03-23 2014-12-10 三菱日立电力系统株式会社 涡轮

Also Published As

Publication number Publication date
JP2018135846A (ja) 2018-08-30
JP6706585B2 (ja) 2020-06-10
DE112018000966T5 (de) 2019-10-31
US20190376403A1 (en) 2019-12-12
US11066946B2 (en) 2021-07-20
WO2018155652A1 (ja) 2018-08-30

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20191008

WD01 Invention patent application deemed withdrawn after publication