IN2014CN02276A - - Google Patents

Info

Publication number
IN2014CN02276A
IN2014CN02276A IN2276CHN2014A IN2014CN02276A IN 2014CN02276 A IN2014CN02276 A IN 2014CN02276A IN 2276CHN2014 A IN2276CHN2014 A IN 2276CHN2014A IN 2014CN02276 A IN2014CN02276 A IN 2014CN02276A
Authority
IN
India
Prior art keywords
rotor
high pressure
stator
pressure side
pressure region
Prior art date
Application number
Inventor
Hidekazu Uehara
Tanehiro Shinohara
Yukihiro Hashimoto
Shin Nishimoto
Takashi Nakano
Masato Araki
Keita Takamura
Original Assignee
Mitsubishi Heavy Ind 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 Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of IN2014CN02276A publication Critical patent/IN2014CN02276A/en

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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F16J15/3292—Lamellar structures
    • 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
    • F05D2240/57—Leaf 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
    • F05D2240/55—Seals
    • F05D2240/59—Lamellar seals

Abstract

This shaft sealing device is provided in an annular space between a rotor and a stator surrounding the outer periphery of the rotor and divides the annular space in the axial direction of the rotor into a high pressure region and a low pressure region. The shaft sealing device is provided with a rigidity imparting means for imparting axially directed rigidity to a part of a surface facing the high pressure region on a high pressure side plate the rigidity imparting means being provided with: a sealer obtained by layering in the peripheral direction of the rotor a plurality of thin sheet sealing pieces extending out from the stator toward the radial inside of the rotor; and the high pressure side plate which extends radially inward from the stator so as to run along the high pressure side of the sealer and is segmented into a plurality in the peripheral direction.
IN2276CHN2014 2011-10-26 2012-10-25 IN2014CN02276A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011234825A JP5804893B2 (en) 2011-10-26 2011-10-26 Shaft seal device and rotary machine equipped with the same
PCT/JP2012/077584 WO2013062040A1 (en) 2011-10-26 2012-10-25 Shaft sealing device and rotating machine comprising same

Publications (1)

Publication Number Publication Date
IN2014CN02276A true IN2014CN02276A (en) 2015-06-19

Family

ID=48167866

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2276CHN2014 IN2014CN02276A (en) 2011-10-26 2012-10-25

Country Status (7)

Country Link
US (1) US9103223B2 (en)
EP (1) EP2749795B1 (en)
JP (1) JP5804893B2 (en)
KR (1) KR101560110B1 (en)
CN (1) CN103842695B (en)
IN (1) IN2014CN02276A (en)
WO (1) WO2013062040A1 (en)

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Publication number Priority date Publication date Assignee Title
IT1397706B1 (en) * 2009-12-22 2013-01-24 Nuovo Pignone Spa SEAL THAT CAN BE ABRADED WITH AXIAL SHIFT.
US9644744B2 (en) * 2013-10-18 2017-05-09 Mitsubishi Heavy Industries, Ltd. Shaft sealing device and rotating machine provided therewith
KR101449473B1 (en) * 2014-05-29 2014-10-13 터보파워텍(주) sealing apparatus of turbine with brush
CN105317470B (en) * 2014-06-17 2017-06-16 斗山重工业株式会社 Brush seal assembly
KR101616619B1 (en) * 2014-06-17 2016-04-28 두산중공업 주식회사 Brush seal assembly
JP6590522B2 (en) * 2015-05-19 2019-10-16 三菱日立パワーシステムズ株式会社 Sealing device and rotating machine
JP6675262B2 (en) * 2016-05-09 2020-04-01 三菱日立パワーシステムズ株式会社 Seal segment and rotating machine
JP6631837B2 (en) 2016-05-09 2020-01-15 三菱日立パワーシステムズ株式会社 Seal segment and rotating machine
JP6678062B2 (en) * 2016-05-09 2020-04-08 三菱日立パワーシステムズ株式会社 Seal segment and rotating machine
JP6876012B2 (en) 2018-02-19 2021-05-26 三菱パワー株式会社 Seal segment and rotating machine
JP7064071B2 (en) * 2018-03-29 2022-05-10 三菱重工業株式会社 Shaft sealing device and rotary machine equipped with this shaft sealing device

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
FR2650048B1 (en) * 1989-07-21 1992-05-07 Alsthom Gec SEALING FOR ROTARY SHAFT
DE4403605C2 (en) 1994-02-05 1995-11-09 Mtu Muenchen Gmbh Gap seal between two mutually movable components
US5755445A (en) * 1996-08-23 1998-05-26 Alliedsignal Inc. Noncontacting finger seal with hydrodynamic foot portion
GB9801864D0 (en) 1998-01-30 1998-03-25 Rolls Royce Plc A seal arrangement
EP1013975B1 (en) 1998-07-13 2012-11-21 Mitsubishi Heavy Industries, Ltd. Shaft seal and turbine using the shaft seal
GB9821927D0 (en) * 1998-10-08 1998-12-02 Rolls Royce Plc Improved brush seal
DE19962316C2 (en) * 1999-12-23 2002-07-18 Mtu Aero Engines Gmbh brush seal
JP3616016B2 (en) 2000-04-28 2005-02-02 三菱重工業株式会社 Shaft seal mechanism and gas turbine
JP3593082B2 (en) * 2001-10-09 2004-11-24 三菱重工業株式会社 Shaft seal mechanism and turbine
US6644668B1 (en) * 2002-06-13 2003-11-11 General Electric Company Brush seal support
JP4031699B2 (en) 2002-11-12 2008-01-09 三菱重工業株式会社 Shaft seal mechanism and turbine
DE10331601B4 (en) * 2003-07-12 2019-06-06 MTU Aero Engines AG Sealing arrangement and method for producing the same
JP3917997B2 (en) * 2004-10-13 2007-05-23 三菱重工業株式会社 Shaft seal mechanism
US7413194B2 (en) * 2004-10-28 2008-08-19 Rolls-Royce Plc Pressure balanced annular seal
US20080048398A1 (en) * 2006-08-24 2008-02-28 United Technologies Corporation Gap sealing arrangement
JP4625438B2 (en) 2006-11-16 2011-02-02 三菱重工業株式会社 Shaft seal device for rotating machinery
US7976026B2 (en) * 2007-04-30 2011-07-12 General Electric Company Methods and apparatus to facilitate sealing in rotary machines
GB2452967A (en) * 2007-09-21 2009-03-25 Rolls Royce Plc A seal and rotor arrangement including a rotor section and a circumferential movable seal around the rotor section
ATE507421T1 (en) * 2008-03-28 2011-05-15 Alstom Technology Ltd BLADE SEAL FOR TURBO MACHINE
JP5118552B2 (en) * 2008-05-20 2013-01-16 三菱重工業株式会社 Shaft seal device for rotating machinery
GB2461506B (en) * 2008-06-30 2010-08-25 Rolls Royce Plc A seal arrangement
US8317464B2 (en) 2010-02-16 2012-11-27 General Electric Company Reverse flow tolerant spring activated brush seal

Also Published As

Publication number Publication date
KR101560110B1 (en) 2015-10-13
US9103223B2 (en) 2015-08-11
EP2749795B1 (en) 2019-05-22
JP5804893B2 (en) 2015-11-04
CN103842695A (en) 2014-06-04
KR20140049607A (en) 2014-04-25
EP2749795A4 (en) 2015-09-30
WO2013062040A1 (en) 2013-05-02
CN103842695B (en) 2016-01-13
US20140241877A1 (en) 2014-08-28
JP2013092205A (en) 2013-05-16
EP2749795A1 (en) 2014-07-02

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