JP5032597B2 - シール - Google Patents
シール Download PDFInfo
- Publication number
- JP5032597B2 JP5032597B2 JP2009554078A JP2009554078A JP5032597B2 JP 5032597 B2 JP5032597 B2 JP 5032597B2 JP 2009554078 A JP2009554078 A JP 2009554078A JP 2009554078 A JP2009554078 A JP 2009554078A JP 5032597 B2 JP5032597 B2 JP 5032597B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- leaves
- plate
- rotor
- carrier
- 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.)
- Expired - Fee Related
Links
Images
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
- F16J15/16—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
Description
図2、3、および4は、他の実施例における対応した図である。
Claims (4)
- ステータおよびロータとの間を密封するためのシールであって、
略環状のキャリアと
前記環状のキャリアに設けられ、前記キャリアの軸と平行に平面が配置された状態で、前記ステータおよび前記ロータとの間を密封するために隣り合って配置された複数のリーフと
前記複数のリーフの軸方向における両側に配置されたフロントプレートおよびバックプレートと、を有し、
前記フロントプレートおよび前記バックプレートは、前記複数のリーフに対して、実質的に対称な圧力損失を与えるための大きさに形成された前記リーフの前記半径方向と直交する方向に延びる1つ以上の孔を有することを特徴とするシール。 - 請求項1に記載されたシールにおいて、少なくとも1つのプレートには、略環状の配列を形成するためにプレートの周りに並べられた複数の孔を有することを特徴とするシール。
- 請求項1または2に記載されたシールであって、前記孔は、半径方向にも延びた細長い孔であることを特徴とするシール。
- 請求項1乃至3のいずれか1項に記載されたシールにおいて、さらに、少なくとも1つの前記プレートにおいて、前記プレートと前記複数のリーフとの間でくぼみを決めるための内側に曲ったふちを有することを含むことを特徴とするシール。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89689907P | 2007-03-24 | 2007-03-24 | |
GBGB0705671.6A GB0705671D0 (en) | 2007-03-24 | 2007-03-24 | A seal |
GB0705671.6 | 2007-03-24 | ||
US60/896,899 | 2007-03-24 | ||
PCT/GB2008/000938 WO2008117021A1 (en) | 2007-03-24 | 2008-03-18 | A seal |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010522297A JP2010522297A (ja) | 2010-07-01 |
JP2010522297A5 JP2010522297A5 (ja) | 2012-03-08 |
JP5032597B2 true JP5032597B2 (ja) | 2012-09-26 |
Family
ID=38024769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009554078A Expired - Fee Related JP5032597B2 (ja) | 2007-03-24 | 2008-03-18 | シール |
Country Status (5)
Country | Link |
---|---|
US (2) | US8439364B2 (ja) |
EP (2) | EP2137436B1 (ja) |
JP (1) | JP5032597B2 (ja) |
GB (1) | GB0705671D0 (ja) |
WO (1) | WO2008117021A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8490981B2 (en) * | 2010-02-23 | 2013-07-23 | General Electric Company | Brush seal |
JP5595259B2 (ja) * | 2010-12-27 | 2014-09-24 | 三菱重工業株式会社 | 軸シール装置及びこれを備える回転機械 |
JP5693292B2 (ja) | 2011-02-25 | 2015-04-01 | 三菱重工業株式会社 | 軸シール機構 |
EP3418609B1 (en) * | 2016-02-16 | 2020-09-09 | Eagle Industry Co., Ltd. | Brush seal |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5106104A (en) * | 1990-10-11 | 1992-04-21 | General Electric Company | Constant pressure drop multiple stage brush seal |
GB2258277B (en) * | 1991-07-29 | 1995-02-22 | Europ Gas Turbines Ltd | Brush seals |
GB9317083D0 (en) | 1993-08-17 | 1993-09-29 | Rolls Royce Plc | A brush seal |
DE4427265C1 (de) * | 1994-07-30 | 1996-04-04 | Mtu Muenchen Gmbh | Bürstendichtung für Turbomaschinen zur Abdichtung unterschiedlich druckbeaufschlagter Räume zwischen einem Maschinenstator und einem Maschinenrotor |
US5884918A (en) * | 1996-10-04 | 1999-03-23 | Eg&G Sealol, Inc. | Brush seal with a flexible front plate |
GB9801864D0 (en) * | 1998-01-30 | 1998-03-25 | Rolls Royce Plc | A seal arrangement |
JP3692300B2 (ja) * | 1998-07-13 | 2005-09-07 | 三菱重工業株式会社 | 軸シールおよびそれを用いたタービン |
US6196550B1 (en) * | 1999-02-11 | 2001-03-06 | Alliedsignal Inc. | Pressure balanced finger seal |
US6244599B1 (en) * | 1999-04-28 | 2001-06-12 | Flowserve Management Company | Floating brush seal |
US6293554B1 (en) | 1999-05-13 | 2001-09-25 | General Electric Company | Brush seal segment having bristle damping |
JP3616016B2 (ja) * | 2000-04-28 | 2005-02-02 | 三菱重工業株式会社 | 軸シール機構及びガスタービン |
US6457719B1 (en) * | 2000-08-14 | 2002-10-01 | United Technologies Corporation | Brush seal |
JP2002159343A (ja) * | 2000-11-27 | 2002-06-04 | Eagle Engineering Aerospace Co Ltd | ブラシ型シール装置 |
US6533284B2 (en) * | 2001-02-06 | 2003-03-18 | General Electric Company | Apparatus for cooling brush seals and seal components |
CA2359933C (en) * | 2001-02-08 | 2006-03-14 | Mitsubishi Heavy Industries, Ltd. | Shaft seal and gas turbine |
GB0126220D0 (en) | 2001-11-01 | 2002-01-02 | Alstom Switzerland Ltd | Brush seals |
DE10248554A1 (de) | 2002-10-18 | 2004-06-24 | Alstom Technology Ltd | Dichtungsvorrichtung |
DE102004020377A1 (de) * | 2004-04-23 | 2005-11-10 | Alstom Technology Ltd | Verfahren zur Bearbeitung von Dichtungen nach Art der Lamellendichtungen |
GB0417613D0 (en) * | 2004-08-07 | 2004-09-08 | Rolls Royce Plc | A leaf seal arrangement |
JP3986520B2 (ja) * | 2004-10-21 | 2007-10-03 | 三菱重工業株式会社 | 軸シール機構 |
US7413194B2 (en) * | 2004-10-28 | 2008-08-19 | Rolls-Royce Plc | Pressure balanced annular seal |
GB0423923D0 (en) * | 2004-10-28 | 2004-12-01 | Rolls Royce Plc | Segmented annular seal for a gas turbine engine |
US7255352B2 (en) * | 2005-09-29 | 2007-08-14 | General Electric Company | Pressure balanced brush seal |
GB0613630D0 (en) * | 2006-07-10 | 2006-08-16 | Rolls Royce Plc | A seal arrangement |
US7909335B2 (en) * | 2008-02-04 | 2011-03-22 | General Electric Company | Retractable compliant plate seals |
-
2007
- 2007-03-24 GB GBGB0705671.6A patent/GB0705671D0/en not_active Ceased
-
2008
- 2008-03-18 EP EP08718778.7A patent/EP2137436B1/en not_active Not-in-force
- 2008-03-18 WO PCT/GB2008/000938 patent/WO2008117021A1/en active Application Filing
- 2008-03-18 JP JP2009554078A patent/JP5032597B2/ja not_active Expired - Fee Related
- 2008-03-18 EP EP16197429.0A patent/EP3176476A1/en not_active Withdrawn
- 2008-03-18 US US12/531,959 patent/US8439364B2/en not_active Expired - Fee Related
-
2013
- 2013-05-13 US US13/892,863 patent/US9915351B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010522297A (ja) | 2010-07-01 |
EP3176476A1 (en) | 2017-06-07 |
WO2008117021A1 (en) | 2008-10-02 |
US8439364B2 (en) | 2013-05-14 |
US20100032908A1 (en) | 2010-02-11 |
US9915351B2 (en) | 2018-03-13 |
EP2137436A1 (en) | 2009-12-30 |
GB0705671D0 (en) | 2007-05-02 |
EP2137436B1 (en) | 2016-12-07 |
US20130249169A1 (en) | 2013-09-26 |
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