IT1049802B - Sistema di tenuta a labirinto - Google Patents

Sistema di tenuta a labirinto

Info

Publication number
IT1049802B
IT1049802B IT29658/75A IT2965875A IT1049802B IT 1049802 B IT1049802 B IT 1049802B IT 29658/75 A IT29658/75 A IT 29658/75A IT 2965875 A IT2965875 A IT 2965875A IT 1049802 B IT1049802 B IT 1049802B
Authority
IT
Italy
Prior art keywords
sealing system
labyrinth sealing
labyrinth
sealing
Prior art date
Application number
IT29658/75A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1049802B publication Critical patent/IT1049802B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D3/00Machines or engines with axial-thrust balancing effected by working-fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/08Heating, heat-insulating or cooling means
    • F01D5/081Cooling fluid being directed on the side of the rotor disc or at the roots of the blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
IT29658/75A 1974-11-27 1975-11-26 Sistema di tenuta a labirinto IT1049802B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/527,748 US3989410A (en) 1974-11-27 1974-11-27 Labyrinth seal system

Publications (1)

Publication Number Publication Date
IT1049802B true IT1049802B (it) 1981-02-10

Family

ID=24102768

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29658/75A IT1049802B (it) 1974-11-27 1975-11-26 Sistema di tenuta a labirinto

Country Status (7)

Country Link
US (1) US3989410A (it)
JP (1) JPS5854249B2 (it)
BE (1) BE835964A (it)
DE (1) DE2552695A1 (it)
FR (1) FR2292868A1 (it)
GB (1) GB1525746A (it)
IT (1) IT1049802B (it)

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JP3327814B2 (ja) * 1997-06-18 2002-09-24 三菱重工業株式会社 ガスタービンのシール装置
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US6887039B2 (en) * 2002-07-10 2005-05-03 Mitsubishi Heavy Industries, Ltd. Stationary blade in gas turbine and gas turbine comprising the same
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JP5326894B2 (ja) * 2009-07-15 2013-10-30 株式会社Ihi ガスタービンの動翼冷却構造
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RU2603699C1 (ru) * 2015-10-06 2016-11-27 Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" Охлаждаемая турбина газотурбинного двигателя
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US10655480B2 (en) * 2016-01-18 2020-05-19 United Technologies Corporation Mini-disk for gas turbine engine
RU2623622C1 (ru) * 2016-05-12 2017-06-28 Публичное акционерное общество "Уфимское моторостроительное производственное объединение" ПАО "УМПО" Охлаждаемая турбина высокого давления
US10344869B2 (en) * 2016-05-31 2019-07-09 Rolls-Royce Corporation Labyrinth seal with lubricant directing projection
FR3054606B1 (fr) * 2016-07-29 2020-04-17 Safran Aircraft Engines Turbine comprenant un systeme de ventilation entre rotor et stator
US11053797B2 (en) * 2017-01-23 2021-07-06 General Electric Company Rotor thrust balanced turbine engine
US10400618B2 (en) * 2017-05-02 2019-09-03 Rolls-Royce Corporation Shaft seal crack obviation
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US10598038B2 (en) 2017-11-21 2020-03-24 Honeywell International Inc. Labyrinth seal with variable tooth heights
CN108060979B (zh) * 2017-12-19 2024-04-26 中国联合重型燃气轮机技术有限公司 燃气轮机及其旋流装置
KR101888466B1 (ko) * 2018-02-12 2018-08-16 황재은 형상측정기
WO2019168501A1 (en) * 2018-02-27 2019-09-06 Siemens Aktiengesellschaft Turbine cooling air delivery system
JP6966354B2 (ja) 2018-02-28 2021-11-17 三菱パワー株式会社 ガスタービン燃焼器
US11293295B2 (en) 2019-09-13 2022-04-05 Pratt & Whitney Canada Corp. Labyrinth seal with angled fins
CN112523813B (zh) * 2019-09-19 2022-09-16 中国航发商用航空发动机有限责任公司 航空发动机涡轮轮缘封严结构
CN111255522B (zh) * 2020-01-19 2022-02-11 中国科学院工程热物理研究所 一种用于调节发动机高压转子系统轴向力的平衡盘结构
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Also Published As

Publication number Publication date
GB1525746A (en) 1978-09-20
DE2552695A1 (de) 1976-08-12
FR2292868A1 (fr) 1976-06-25
BE835964A (fr) 1976-03-16
US3989410A (en) 1976-11-02
JPS5177708A (en) 1976-07-06
FR2292868B1 (it) 1982-08-13
JPS5854249B2 (ja) 1983-12-03

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