JP2010522297A - シール - Google Patents
シール Download PDFInfo
- Publication number
- JP2010522297A JP2010522297A JP2009554078A JP2009554078A JP2010522297A JP 2010522297 A JP2010522297 A JP 2010522297A JP 2009554078 A JP2009554078 A JP 2009554078A JP 2009554078 A JP2009554078 A JP 2009554078A JP 2010522297 A JP2010522297 A JP 2010522297A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- plate
- leaves
- rotor
- back plate
- 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.)
- Granted
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
- F16J15/44—Free-space packings
-
- 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
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)
Abstract
【選択図】図1
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 (5)
- 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1つ以上の開口部を有してい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開口部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、少なくとも1つの開口部は、半径方向に延びた溝の形であ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、前記バックプレートにおける前記開口部は、前記バックプレート全体を構成することを特徴とするシール。
- 請求項1乃至4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 |
US60/896,899 | 2007-03-24 | ||
GB0705671.6 | 2007-03-24 | ||
PCT/GB2008/000938 WO2008117021A1 (en) | 2007-03-24 | 2008-03-18 | A seal |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010522297A true JP2010522297A (ja) | 2010-07-01 |
JP2010522297A5 JP2010522297A5 (ja) | 2012-03-08 |
JP5032597B2 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) | EP3176476A1 (ja) |
JP (1) | JP5032597B2 (ja) |
GB (1) | GB0705671D0 (ja) |
WO (1) | WO2008117021A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012090793A1 (ja) * | 2010-12-27 | 2012-07-05 | 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 |
JP2012177420A (ja) * | 2011-02-25 | 2012-09-13 | Mitsubishi Heavy Ind Ltd | 軸シール機構 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8490981B2 (en) * | 2010-02-23 | 2013-07-23 | General Electric Company | Brush seal |
US10975712B2 (en) * | 2016-02-16 | 2021-04-13 | Eagle Industry Co., Ltd. | Brush seal |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258277A (en) * | 1991-07-29 | 1993-02-03 | Europ Gas Turbines Ltd | Brush seals |
GB2291939A (en) * | 1994-07-30 | 1996-02-07 | Mtu Muenchen Gmbh | Brush seal for a turbo-engine |
JP2002013647A (ja) * | 2000-04-28 | 2002-01-18 | Mitsubishi Heavy Ind Ltd | 軸シール機構及びガスタービン |
JP2002071027A (ja) * | 2000-08-14 | 2002-03-08 | United Technol Corp <Utc> | ブラシシール |
EP1308655A2 (en) * | 2001-11-01 | 2003-05-07 | ALSTOM (Switzerland) Ltd | Brush seals |
EP1653129A1 (en) * | 2004-10-28 | 2006-05-03 | Rolls-Royce Plc | Large radial movement compliant seal |
JP2006118585A (ja) * | 2004-10-21 | 2006-05-11 | Mitsubishi Heavy Ind Ltd | 軸シール機構 |
Family Cites Families (18)
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 |
GB9317083D0 (en) * | 1993-08-17 | 1993-09-29 | Rolls Royce Plc | A brush seal |
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 |
EP1013975B1 (en) * | 1998-07-13 | 2012-11-21 | Mitsubishi Heavy Industries, Ltd. | Shaft seal and turbine using the shaft seal |
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 |
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 |
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 |
US7413194B2 (en) * | 2004-10-28 | 2008-08-19 | Rolls-Royce Plc | Pressure balanced annular seal |
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 EP16197429.0A patent/EP3176476A1/en not_active Withdrawn
- 2008-03-18 WO PCT/GB2008/000938 patent/WO2008117021A1/en active Application Filing
- 2008-03-18 US US12/531,959 patent/US8439364B2/en not_active Expired - Fee Related
- 2008-03-18 JP JP2009554078A patent/JP5032597B2/ja not_active Expired - Fee Related
- 2008-03-18 EP EP08718778.7A patent/EP2137436B1/en not_active Not-in-force
-
2013
- 2013-05-13 US US13/892,863 patent/US9915351B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258277A (en) * | 1991-07-29 | 1993-02-03 | Europ Gas Turbines Ltd | Brush seals |
GB2291939A (en) * | 1994-07-30 | 1996-02-07 | Mtu Muenchen Gmbh | Brush seal for a turbo-engine |
JP2002013647A (ja) * | 2000-04-28 | 2002-01-18 | Mitsubishi Heavy Ind Ltd | 軸シール機構及びガスタービン |
JP2002071027A (ja) * | 2000-08-14 | 2002-03-08 | United Technol Corp <Utc> | ブラシシール |
EP1308655A2 (en) * | 2001-11-01 | 2003-05-07 | ALSTOM (Switzerland) Ltd | Brush seals |
JP2006118585A (ja) * | 2004-10-21 | 2006-05-11 | Mitsubishi Heavy Ind Ltd | 軸シール機構 |
EP1653129A1 (en) * | 2004-10-28 | 2006-05-03 | Rolls-Royce Plc | Large radial movement compliant seal |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012090793A1 (ja) * | 2010-12-27 | 2012-07-05 | 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 |
JP2012137033A (ja) * | 2010-12-27 | 2012-07-19 | Mitsubishi Heavy Ind Ltd | 軸シール装置及びこれを備える回転機械 |
KR101516102B1 (ko) | 2010-12-27 | 2015-05-04 | 미츠비시 쥬고교 가부시키가이샤 | 축 시일 장치 및 이것을 구비하는 회전 기계 |
US9677410B2 (en) | 2010-12-27 | 2017-06-13 | Mitsubishi Heavy Industries, Ltd. | Shaft sealing device, and rotary machine equipped therewith |
JP2012177420A (ja) * | 2011-02-25 | 2012-09-13 | Mitsubishi Heavy Ind Ltd | 軸シール機構 |
US9593588B2 (en) | 2011-02-25 | 2017-03-14 | Mitsubishi Heavy Industries, Ltd. | Shaft seal mechanism |
Also Published As
Publication number | Publication date |
---|---|
EP2137436A1 (en) | 2009-12-30 |
WO2008117021A1 (en) | 2008-10-02 |
EP3176476A1 (en) | 2017-06-07 |
GB0705671D0 (en) | 2007-05-02 |
US9915351B2 (en) | 2018-03-13 |
US8439364B2 (en) | 2013-05-14 |
US20100032908A1 (en) | 2010-02-11 |
JP5032597B2 (ja) | 2012-09-26 |
US20130249169A1 (en) | 2013-09-26 |
EP2137436B1 (en) | 2016-12-07 |
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