JP6194343B2 - 可撓性フィルムライディングシール - Google Patents
可撓性フィルムライディングシール Download PDFInfo
- Publication number
- JP6194343B2 JP6194343B2 JP2015205972A JP2015205972A JP6194343B2 JP 6194343 B2 JP6194343 B2 JP 6194343B2 JP 2015205972 A JP2015205972 A JP 2015205972A JP 2015205972 A JP2015205972 A JP 2015205972A JP 6194343 B2 JP6194343 B2 JP 6194343B2
- Authority
- JP
- Japan
- Prior art keywords
- shoe
- seal
- spring
- leaf
- shoe 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.)
- Expired - Fee Related
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
- F01D11/08—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
- 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
- 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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- 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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
- F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
-
- 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
- F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
-
- 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
- F16J15/441—Free-space packings with floating ring
-
- 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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
-
- 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
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)
Description
12 ロータ要素
14 前端
18 長手方向軸線
20 アーチ形外面
22 前方セクション
24 後方セクション
26 後方を向いた段部
28 シール本体
30 前端
32 後端
34 端面
36 シールスロット
40 後方フランジ
42 梁ばね
43 シュー
44 シール歯
46 前端
47 梁
48 シュープレート
50 後端
52 アーチ形内面
54 二次シール
56 前方フランジ
58 中央フランジ
60 シールリーフ
62 裏当てばね
64 ピン
66 ポケット
68 外側リップ
70 内側リップ
Claims (12)
- 長手方向軸線(18)の周りを回転するように取り付けられ、外面(20)を有するロータ要素(12)を取り囲む、複数のシーリング組立体セグメントを備えた、回転機械のためのシール装置であって、
前記セグメントの各々は、
シュー(43)と、
前記シューを静止シール本体(28)に結合する軸方向に向いた梁ばね(42)と、
を備え、
前記シューは、
前記外面に向かう1又はそれ以上のラビリンスシール歯(44)と、
前記1又はそれ以上のラビリンスシール歯の下流に配置され、前記ロータ要素の外面との間で空気力学的な力を発生するように構成されたシュープレート(48)と、
を含み、
前記シューは、さらに放射−軸平面において、前記シーリング組立体セグメントと前記ロータ要素との相互作用によって生じた流体膜の力に応じて可撓性があるように構成され、
前記シュープレートは、梁(47)によって前記ばねに結合され、前記梁は、軸方向に向いており、前端(72)は、前記ばねの前端(46)に結合し、後端(50)は、前記シュープレートに結合し、前記梁は、前記ばねの軸方向長さの約半分であり、これにより、前記シュープレートの長手方向の傾きを防止することを特徴とする、シール装置。 - 前記シール本体は、一連の環状セグメントを備える、請求項1に記載のシール装置。
- 前記シール本体と前記シューを結合するリーフを有する二次シールをさらに備え、前記シール本体と前記シューとの相対移動を許容しながらその間の漏洩をシールするようになっている、請求項1又は2に記載のシール装置。
- 前記二次シール(54)は、前記シール本体(28)の前端(30)に配置され、該二次シール(54)は、前方フランジ(56)、中央フランジ(58)及び裏当てばね(62)をさらに備え、前記リーフ(60)及び前記裏当てばね(62)は、前記前方フランジ(56)と前記中央フランジ(58)との間に形成されたポケット(66)内に配置され、前記裏当てばねが、前記リーフ(60)を軸方向後方に付勢して、該リーフを前記中央フランジ(58)の外側リップ(68)及び前記シュー(43)の内側リップ(70)に当接させる、請求項1乃至3に記載のシール装置。
- 前記前方フランジ(56)、前記中央フランジ(58)、前記裏当てばね(62)及び前記リーフ(60)を貫通して軸方向に延びるピン(64)がさらに設けられている、請求項4に記載のシール装置。
- 前記外面は、前方セクション及び後方セクションを含み、その間には後方を向いた段部が形成されており、
前記1又はそれ以上のラビリンスシール歯は、前記前方セクションに対向して配置されており、
前記シュープレートは、前記後方セクションに対向して配置されている、
請求項1に記載のシール装置。 - 長手方向軸線(18)の周りを回転するように取り付けられ、円筒形の外面(20)を有するロータ要素(12)と、
前記ロータ要素を取り囲む環状静止シール本体(28)と、
前記シール本体から延び、軸方向を向いた一連の梁ばね(42)と、
前記梁ばねの各々に結合して、前記ロータ要素と前記シール本体との間に配置されたシュー(43)と、
を備える回転機械装置であって、
前記シューの各々は、
前記外面に向いた環状ラビリンスシール歯(44)と、
前記ラビリンスシール歯の下流に配置され、前記シュープレートと前記外面とに間で空気力学的な力を発生するように構成されたシュープレート(48)と、
を備え、
前記シューは、さらに放射−軸平面において、前記シュープレートと前記ロータ要素との相互作用によって生じた流体膜の力に応じて可撓性があるように構成され、
前記シュープレートは、梁(47)によって前記ばねに結合され、前記梁は、軸方向に向いており、前端(72)は、前記ばねの前端(46)に結合し、後端(50)は、前記シュープレートに結合し、前記梁は、前記ばねの軸方向長さの約半分であり、これにより、前記シュープレートの長手方向の傾きを防止する、ことを特徴とする装置。 - 前記シール本体は、一連の環状セグメントを備える、請求項7に記載の装置。
- 上流端部で前記シール本体と前記シューを結合するリーフを有する二次シールをさらに備え、前記シール本体と前記シューとの相対移動を許容しながらその間の漏洩をシールするようになっている、請求項7又は8に記載の装置。
- 前記二次シール(54)は、前記シール本体(28)の前端(30)に配置され、該二次シール(54)は、前方フランジ(56)、中央フランジ(58)及び裏当てばね(62)をさらに備え、前記リーフ(60)及び前記裏当てばね(62)は、前記前方フランジ(56)と前記中央フランジ(58)との間に形成されたポケット(66)内に配置され、前記裏当てばねが、前記リーフ(60)を軸方向後方に付勢して、該リーフを前記中央フランジ(58)の外側リップ(68)及び前記シュー(43)の内側リップ(70)に当接させる、請求項7乃至9のいずれか1項に記載の装置。
- 前記前方フランジ(56)、前記中央フランジ(58)、前記裏当てばね(62)及び前記リーフ(60)を貫通して軸方向に延びるピン(64)がさらに設けられている、請求項10に記載の装置。
- 前記外面は、前方セクション及び後方セクションを含み、その間には後方を向いた段部が形成されており、
前記ラビリンスシール歯は、前記前方セクションに対向して配置されており、
前記シュープレートは、前記後方セクションに対向して配置されている、
請求項7乃至11のいずれか1項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462069513P | 2014-10-28 | 2014-10-28 | |
US62/069,513 | 2014-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016084937A JP2016084937A (ja) | 2016-05-19 |
JP6194343B2 true JP6194343B2 (ja) | 2017-09-06 |
Family
ID=54360125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015205972A Expired - Fee Related JP6194343B2 (ja) | 2014-10-28 | 2015-10-20 | 可撓性フィルムライディングシール |
Country Status (6)
Country | Link |
---|---|
US (1) | US10161259B2 (ja) |
EP (1) | EP3018298A1 (ja) |
JP (1) | JP6194343B2 (ja) |
CN (1) | CN105545374B (ja) |
BR (1) | BR102015027260A2 (ja) |
CA (1) | CA2909467A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10190431B2 (en) * | 2015-02-11 | 2019-01-29 | General Electric Company | Seal assembly for rotary machine |
US10060535B2 (en) * | 2016-02-25 | 2018-08-28 | United Technologies Corporation | Shaped spring element for a non-contact seal device |
US10641180B2 (en) * | 2017-06-15 | 2020-05-05 | United Technologies Corporation | Hydrostatic non-contact seal with varied thickness beams |
US10731761B2 (en) * | 2017-07-14 | 2020-08-04 | Raytheon Technologies Corporation | Hydrostatic non-contact seal with offset outer ring |
US10422431B2 (en) | 2017-07-17 | 2019-09-24 | United Technologies Corporation | Non-contact seal with progressive radial stop(s) |
US10774668B2 (en) | 2017-09-20 | 2020-09-15 | General Electric Company | Intersage seal assembly for counter rotating turbine |
EP3492705B1 (en) * | 2017-12-01 | 2021-11-10 | General Electric Technology GmbH | Film-riding sealing system |
US11199102B2 (en) | 2018-11-28 | 2021-12-14 | Raytheon Technologies Corporation | Hydrostatic seal with increased design space |
US11111805B2 (en) | 2018-11-28 | 2021-09-07 | Raytheon Technologies Corporation | Multi-component assembled hydrostatic seal |
US11674402B2 (en) | 2018-11-28 | 2023-06-13 | Raytheon Technologies Corporation | Hydrostatic seal with non-parallel beams for anti-tipping |
US11421543B2 (en) * | 2018-11-28 | 2022-08-23 | Raytheon Technologies Corporation | Hydrostatic seal with asymmetric beams for anti-tipping |
US10968763B2 (en) * | 2019-02-01 | 2021-04-06 | Raytheon Technologies Corporation | HALO seal build clearance methods |
US11434827B2 (en) | 2019-04-11 | 2022-09-06 | Raytheon Technologies Corporation | Hydrostatic seal with secondary seal structural protection |
US11293295B2 (en) | 2019-09-13 | 2022-04-05 | Pratt & Whitney Canada Corp. | Labyrinth seal with angled fins |
US11359726B2 (en) * | 2020-07-02 | 2022-06-14 | Raytheon Technologies Corporation | Non-contact seal assembly with multiple axially spaced spring elements |
US11619309B2 (en) | 2020-08-28 | 2023-04-04 | Raytheon Technologies Corporation | Non-contact seal for rotational equipment with axially expended seal shoes |
US11230940B1 (en) | 2020-08-31 | 2022-01-25 | Raytheon Technologies Corporation | Controlled contact surface for a secondary seal in a non-contact seal assembly |
US11725536B2 (en) | 2020-12-22 | 2023-08-15 | Hamilton Sundstrand Corporation | Combination seal for a supercritical carbon dioxide turbo generator |
US11428160B2 (en) | 2020-12-31 | 2022-08-30 | General Electric Company | Gas turbine engine with interdigitated turbine and gear assembly |
US11821320B2 (en) | 2021-06-04 | 2023-11-21 | General Electric Company | Turbine engine with a rotor seal assembly |
US12000289B2 (en) | 2022-03-10 | 2024-06-04 | General Electric Company | Seal assemblies for turbine engines and related methods |
US11994218B2 (en) | 2022-04-08 | 2024-05-28 | Rtx Corporation | Non-contact seal with seal device axial locator(s) |
US12006829B1 (en) | 2023-02-16 | 2024-06-11 | General Electric Company | Seal member support system for a gas turbine engine |
Family Cites Families (76)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2181203A (en) | 1938-04-18 | 1939-11-28 | Otto Bartling | Grease retainer |
US3559725A (en) | 1969-10-10 | 1971-02-02 | Ford Motor Co | Foil seal for rotating heat exchangers of gas turbine engines |
US3809443A (en) | 1971-08-05 | 1974-05-07 | Mechanical Tech Inc | Hydrodynamic foil bearings |
US4223958A (en) | 1978-12-29 | 1980-09-23 | Mechanical Technology Incorporated | Modular compliant hydrodynamic bearing with overlapping bearing sheet |
US4513567A (en) | 1981-11-02 | 1985-04-30 | United Technologies Corporation | Gas turbine engine active clearance control |
US5244216A (en) | 1988-01-04 | 1993-09-14 | The Texas A & M University System | Labyrinth seal |
JPH02113068U (ja) | 1989-02-27 | 1990-09-10 | ||
US5100158A (en) | 1990-08-16 | 1992-03-31 | Eg&G Sealol, Inc. | Compliant finer seal |
US5370402A (en) | 1993-05-07 | 1994-12-06 | Eg&G Sealol, Inc. | Pressure balanced compliant seal device |
EP0629799A1 (en) | 1993-06-15 | 1994-12-21 | EG&G SEALOL, INC. | Pressure balanced compliant seal device having a flexible annular member |
US5427455A (en) | 1994-04-18 | 1995-06-27 | Bosley; Robert W. | Compliant foil hydrodynamic fluid film radial bearing |
US5632493A (en) | 1995-05-04 | 1997-05-27 | Eg&G Sealol, Inc. | Compliant pressure balanced seal apparatus |
US5791868A (en) | 1996-06-14 | 1998-08-11 | Capstone Turbine Corporation | Thrust load compensating system for a compliant foil hydrodynamic fluid film thrust bearing |
GB2317652B (en) | 1996-09-26 | 2000-05-17 | Rolls Royce Plc | Seal arrangement |
US5797723A (en) | 1996-11-13 | 1998-08-25 | General Electric Company | Turbine flowpath seal |
US5902049A (en) | 1997-03-28 | 1999-05-11 | Mohawk Innovative Technology, Inc. | High load capacity compliant foil hydrodynamic journal bearing |
US5833369A (en) | 1997-03-28 | 1998-11-10 | Mohawk Innovative Technology, Inc. | High load capacity compliant foil hydrodynamic thrust bearing |
US5915841A (en) | 1998-01-05 | 1999-06-29 | Capstone Turbine Corporation | Compliant foil fluid film radial bearing |
US6145843A (en) | 1998-10-19 | 2000-11-14 | Stein Seal Company | Hydrodynamic lift seal for use with compressible fluids |
US6505837B1 (en) | 1999-10-28 | 2003-01-14 | Mohawk Innovative Technology, Inc. | Compliant foil seal |
US6540231B1 (en) * | 2000-02-29 | 2003-04-01 | General Electric Company | Surface following brush seal |
DE10011063A1 (de) | 2000-03-07 | 2001-09-27 | Daimler Chrysler Ag | Labyrinthdichtung zwischen drehbaren Bauteilen |
US6402466B1 (en) | 2000-05-16 | 2002-06-11 | General Electric Company | Leaf seal for gas turbine stator shrouds and a nozzle band |
US7044470B2 (en) | 2000-07-12 | 2006-05-16 | Perkinelmer, Inc. | Rotary face seal assembly |
US6390476B1 (en) | 2000-09-08 | 2002-05-21 | General Electric Company | Heat-resistant magnetic silicone rubber brush seals in turbomachinery and methods of application |
US6527274B2 (en) | 2000-12-13 | 2003-03-04 | General Electric Company | Turbine rotor-stator leaf seal and related method |
US20100007093A1 (en) | 2001-02-23 | 2010-01-14 | Grondahl Clayton M | Seal Assembly and Rotary Machine Containing Such Seal |
US6547257B2 (en) * | 2001-05-04 | 2003-04-15 | General Electric Company | Combination transition piece floating cloth seal and stage 1 turbine nozzle flexible sealing element |
US6547522B2 (en) | 2001-06-18 | 2003-04-15 | General Electric Company | Spring-backed abradable seal for turbomachinery |
ATE353416T1 (de) | 2001-07-06 | 2007-02-15 | R & D Dynamics Corp | Hydrodynamische folien-gleitringdichtung |
US6692006B2 (en) | 2001-10-15 | 2004-02-17 | Stein Seal Company | High-pressure film-riding seals for rotating shafts |
US6840519B2 (en) | 2001-10-30 | 2005-01-11 | General Electric Company | Actuating mechanism for a turbine and method of retrofitting |
US6786487B2 (en) | 2001-12-05 | 2004-09-07 | General Electric Company | Actuated brush seal |
US6622490B2 (en) | 2002-01-11 | 2003-09-23 | Watson Cogeneration Company | Turbine power plant having an axially loaded floating brush seal |
US6655696B1 (en) | 2002-06-28 | 2003-12-02 | General Electric Company | Seal carrier for a rotary machine and method of retrofitting |
US6719296B2 (en) * | 2002-07-12 | 2004-04-13 | General Electric Company | Seal for a rotating member |
US20040046327A1 (en) | 2002-09-05 | 2004-03-11 | Menendez Robert P. | Labyrinth/brush seal combination |
GB0226685D0 (en) * | 2002-11-15 | 2002-12-24 | Rolls Royce Plc | Sealing arrangement |
US6811154B2 (en) | 2003-02-08 | 2004-11-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Noncontacting finger seal |
US8641045B2 (en) | 2003-05-01 | 2014-02-04 | Advanced Technologies Group, Inc. | Seal with stacked sealing elements |
US8172232B2 (en) * | 2003-05-01 | 2012-05-08 | Advanced Technologies Group, Inc. | Non-contact seal for a gas turbine engine |
US8919781B2 (en) * | 2003-05-01 | 2014-12-30 | Advanced Technologies Group, Inc. | Self-adjusting non-contact seal |
US8002285B2 (en) | 2003-05-01 | 2011-08-23 | Justak John F | Non-contact seal for a gas turbine engine |
CN100396885C (zh) | 2003-05-21 | 2008-06-25 | 三菱重工业株式会社 | 轴密封机构、轴密封机构的组装结构和大型流体机械 |
EP1557535A1 (de) | 2004-01-20 | 2005-07-27 | Siemens Aktiengesellschaft | Turbinenschaufel und Gasturbine mit einer solchen Turbinenschaufel |
US20050200080A1 (en) | 2004-03-10 | 2005-09-15 | Siemens Westinghouse Power Corporation | Seal for a turbine engine |
US7216871B1 (en) | 2004-05-04 | 2007-05-15 | Advanced Components & Materials, Inc. | Non-contacting seal for rotating surfaces |
FR2869943B1 (fr) | 2004-05-04 | 2006-07-28 | Snecma Moteurs Sa | Ensemble a anneau fixe d'une turbine a gaz |
US7938402B2 (en) | 2004-05-28 | 2011-05-10 | Stein Seal Company | Air riding seal |
US20070132193A1 (en) | 2005-12-13 | 2007-06-14 | Wolfe Christopher E | Compliant abradable sealing system and method for rotary machines |
US20080018054A1 (en) * | 2006-07-20 | 2008-01-24 | General Electric Company | Aspirating labyrinth seal |
US20080003099A1 (en) | 2006-06-30 | 2008-01-03 | Honeywell International, Inc. | Closed bias air film riding seal in event of housing breach for shared engine lubrication accessory gearboxes |
US7806410B2 (en) * | 2007-02-20 | 2010-10-05 | United Technologies Corporation | Damping device for a stationary labyrinth seal |
US7614792B2 (en) | 2007-04-26 | 2009-11-10 | Capstone Turbine Corporation | Compliant foil fluid film radial bearing or seal |
US20080309019A1 (en) | 2007-06-13 | 2008-12-18 | General Electric Company | Sealing assembly for rotary machines |
US20090066033A1 (en) | 2007-09-11 | 2009-03-12 | General Electric Company | Barrier sealing system |
US20090160135A1 (en) | 2007-12-20 | 2009-06-25 | Gabriele Turini | Labyrinth seal with reduced leakage flow by grooves and teeth synergistic action |
JP2009167803A (ja) * | 2008-01-10 | 2009-07-30 | Jtekt Corp | 過給機 |
JP4696147B2 (ja) | 2008-06-30 | 2011-06-08 | 株式会社日立製作所 | ターボ機械 |
US20100143101A1 (en) | 2008-12-05 | 2010-06-10 | General Electric Company | Compliant foil seal for rotary machines |
US8113771B2 (en) | 2009-03-20 | 2012-02-14 | General Electric Company | Spring system designs for active and passive retractable seals |
US20110103939A1 (en) | 2009-10-30 | 2011-05-05 | General Electric Company | Turbine rotor blade tip and shroud clearance control |
US8474827B2 (en) * | 2010-06-11 | 2013-07-02 | Cmg Tech, Llc | Film riding pressure actuated leaf seal assembly |
KR101618375B1 (ko) | 2010-08-13 | 2016-05-04 | 현대중공업 주식회사 | 계단형 래비린스 씰을 포함하는 레디알 샤프트 씰장치 |
WO2012052740A1 (en) | 2010-10-18 | 2012-04-26 | University Of Durham | Sealing device for reducing fluid leakage in turbine apparatus |
US9074486B2 (en) | 2011-01-31 | 2015-07-07 | General Electric Company | Method and apparatus for labyrinth seal packing ring |
US9145785B2 (en) * | 2011-03-04 | 2015-09-29 | General Electric Company | Aerodynamic seal assemblies for turbo-machinery |
DE102012005771B4 (de) * | 2011-03-25 | 2022-06-30 | General Electric Technology Gmbh | Dichtvorrichtung für drehende Turbinenschaufeln |
US20120251290A1 (en) * | 2011-03-31 | 2012-10-04 | General Electric Company | Aspirating face seal, and a related method thereof |
US8858166B2 (en) | 2011-09-07 | 2014-10-14 | General Electric Company | Rotary machine seal assembly with butt gap seal elements |
KR101906949B1 (ko) * | 2012-02-29 | 2018-10-11 | 한화에어로스페이스 주식회사 | 터빈 시일 조립체 및 이를 구비한 터빈 장치 |
US9255642B2 (en) | 2012-07-06 | 2016-02-09 | General Electric Company | Aerodynamic seals for rotary machine |
US9587746B2 (en) | 2012-07-31 | 2017-03-07 | General Electric Company | Film riding seals for rotary machines |
US9115810B2 (en) * | 2012-10-31 | 2015-08-25 | General Electric Company | Pressure actuated film riding seals for turbo machinery |
US9045994B2 (en) | 2012-10-31 | 2015-06-02 | General Electric Company | Film riding aerodynamic seals for rotary machines |
FR3011608B1 (fr) | 2013-10-09 | 2016-05-27 | Snecma | Joint a labyrinthe et machine tournante comprenant un tel joint |
-
2015
- 2015-10-08 US US14/878,862 patent/US10161259B2/en active Active
- 2015-10-20 JP JP2015205972A patent/JP6194343B2/ja not_active Expired - Fee Related
- 2015-10-22 CA CA2909467A patent/CA2909467A1/en not_active Abandoned
- 2015-10-23 EP EP15191185.6A patent/EP3018298A1/en not_active Withdrawn
- 2015-10-27 BR BR102015027260A patent/BR102015027260A2/pt not_active IP Right Cessation
- 2015-10-28 CN CN201510710008.1A patent/CN105545374B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
BR102015027260A2 (pt) | 2016-08-02 |
JP2016084937A (ja) | 2016-05-19 |
CN105545374B (zh) | 2019-03-01 |
CA2909467A1 (en) | 2016-04-28 |
EP3018298A1 (en) | 2016-05-11 |
US20160115805A1 (en) | 2016-04-28 |
US10161259B2 (en) | 2018-12-25 |
CN105545374A (zh) | 2016-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6194343B2 (ja) | 可撓性フィルムライディングシール | |
JP6190149B2 (ja) | 回転機械用の空力シール | |
JP6047236B2 (ja) | 回転機械のためのフィルムライディングシール | |
US9359908B2 (en) | Film riding seal assembly for turbomachinery | |
US9115810B2 (en) | Pressure actuated film riding seals for turbo machinery | |
US9045994B2 (en) | Film riding aerodynamic seals for rotary machines | |
JP6143677B2 (ja) | 軸方向ブラシシール | |
JP5830247B2 (ja) | ラビリンスシールパッキングリングの方法及び装置 | |
JP5864912B2 (ja) | ラビリンスシールのパッキンリングのための方法および装置 | |
JP5923283B2 (ja) | シールアセンブリ | |
JP2002201914A (ja) | タービンのロータ・ステータばね板シール及び関連する方法 | |
GB2540233A (en) | Seal arrangement | |
JP6725438B2 (ja) | 軸受装置及び回転機械 | |
Bidkar et al. | Aerodynamic seals for rotary machine | |
BR102013009939A2 (pt) | Aerodynamic sealing assembly of a rotary machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161214 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170110 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170407 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170609 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170705 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170725 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170814 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6194343 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |