JP6782671B2 - ターボ機械 - Google Patents

ターボ機械 Download PDF

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Publication number
JP6782671B2
JP6782671B2 JP2017134787A JP2017134787A JP6782671B2 JP 6782671 B2 JP6782671 B2 JP 6782671B2 JP 2017134787 A JP2017134787 A JP 2017134787A JP 2017134787 A JP2017134787 A JP 2017134787A JP 6782671 B2 JP6782671 B2 JP 6782671B2
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JP
Japan
Prior art keywords
downstream side
seal
seal member
rotating shaft
axial direction
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.)
Active
Application number
JP2017134787A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019015273A (ja
JP2019015273A5 (enExample
Inventor
仁志 北川
仁志 北川
藤村　大悟
大悟 藤村
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
Priority to JP2017134787A priority Critical patent/JP6782671B2/ja
Priority to US16/620,096 priority patent/US20200200033A1/en
Priority to PCT/JP2018/025932 priority patent/WO2019013178A1/ja
Publication of JP2019015273A publication Critical patent/JP2019015273A/ja
Publication of JP2019015273A5 publication Critical patent/JP2019015273A5/ja
Application granted granted Critical
Publication of JP6782671B2 publication Critical patent/JP6782671B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D11/08—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
    • 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
    • F01D11/127—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 a deformable or crushable structure, e.g. honeycomb
    • 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
    • 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
    • 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
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • 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
    • F05D2250/10—Two-dimensional
    • 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
    • F05D2250/70—Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2017134787A 2017-07-10 2017-07-10 ターボ機械 Active JP6782671B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017134787A JP6782671B2 (ja) 2017-07-10 2017-07-10 ターボ機械
US16/620,096 US20200200033A1 (en) 2017-07-10 2018-07-09 Turbo machine
PCT/JP2018/025932 WO2019013178A1 (ja) 2017-07-10 2018-07-09 ターボ機械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017134787A JP6782671B2 (ja) 2017-07-10 2017-07-10 ターボ機械

Publications (3)

Publication Number Publication Date
JP2019015273A JP2019015273A (ja) 2019-01-31
JP2019015273A5 JP2019015273A5 (enExample) 2020-01-16
JP6782671B2 true JP6782671B2 (ja) 2020-11-11

Family

ID=65001325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017134787A Active JP6782671B2 (ja) 2017-07-10 2017-07-10 ターボ機械

Country Status (3)

Country Link
US (1) US20200200033A1 (enExample)
JP (1) JP6782671B2 (enExample)
WO (1) WO2019013178A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019210693A1 (de) * 2019-07-19 2021-01-21 MTU Aero Engines AG Laufschaufel für eine strömungsmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105702U (enExample) * 1984-12-17 1986-07-04
US6652226B2 (en) * 2001-02-09 2003-11-25 General Electric Co. Methods and apparatus for reducing seal teeth wear
JP4326315B2 (ja) * 2003-12-08 2009-09-02 三菱重工業株式会社 翼環構造
US8444371B2 (en) * 2010-04-09 2013-05-21 General Electric Company Axially-oriented cellular seal structure for turbine shrouds and related method
JP5758183B2 (ja) * 2011-04-21 2015-08-05 三菱重工業株式会社 シール装置及びガスタービン
US9097136B2 (en) * 2012-01-03 2015-08-04 General Electric Company Contoured honeycomb seal for turbine shroud
US9291061B2 (en) * 2012-04-13 2016-03-22 General Electric Company Turbomachine blade tip shroud with parallel casing configuration
US10253645B2 (en) * 2013-12-12 2019-04-09 United Technologies Corporation Blade outer air seal with secondary air sealing
JP2017061898A (ja) * 2015-09-25 2017-03-30 株式会社東芝 蒸気タービン

Also Published As

Publication number Publication date
JP2019015273A (ja) 2019-01-31
US20200200033A1 (en) 2020-06-25
WO2019013178A1 (ja) 2019-01-17

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