BR112015002217A2 - vedações de condução de filme para máquinas rotativas - Google Patents
vedações de condução de filme para máquinas rotativasInfo
- Publication number
- BR112015002217A2 BR112015002217A2 BR112015002217A BR112015002217A BR112015002217A2 BR 112015002217 A2 BR112015002217 A2 BR 112015002217A2 BR 112015002217 A BR112015002217 A BR 112015002217A BR 112015002217 A BR112015002217 A BR 112015002217A BR 112015002217 A2 BR112015002217 A2 BR 112015002217A2
- Authority
- BR
- Brazil
- Prior art keywords
- rotary machines
- film driving
- seals
- driving seals
- film
- Prior art date
Links
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
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
-
- 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
- F01D11/02—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
- 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
- F16J15/442—Free-space packings with floating ring segmented
-
- 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
- F16J15/445—Free-space packings with means for adjusting the clearance
-
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/562,705 US9587746B2 (en) | 2012-07-31 | 2012-07-31 | Film riding seals for rotary machines |
| PCT/US2013/052524 WO2014022290A1 (en) | 2012-07-31 | 2013-07-29 | Film riding seals for rotary machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112015002217A2 true BR112015002217A2 (pt) | 2017-07-04 |
Family
ID=48949250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015002217A BR112015002217A2 (pt) | 2012-07-31 | 2013-07-29 | vedações de condução de filme para máquinas rotativas |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9587746B2 (pt) |
| EP (1) | EP2893155A1 (pt) |
| JP (1) | JP6047236B2 (pt) |
| CN (1) | CN104662257B (pt) |
| BR (1) | BR112015002217A2 (pt) |
| CA (1) | CA2880628C (pt) |
| WO (1) | WO2014022290A1 (pt) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9255642B2 (en) | 2012-07-06 | 2016-02-09 | General Electric Company | Aerodynamic seals for rotary machine |
| US9115810B2 (en) * | 2012-10-31 | 2015-08-25 | General Electric Company | Pressure actuated film riding seals for turbo machinery |
| US20140205440A1 (en) * | 2013-01-18 | 2014-07-24 | General Electric Company | Compliant plate seals for rotary machines |
| EP2959114A1 (en) * | 2013-02-20 | 2015-12-30 | Siemens Aktiengesellschaft | Riffled seal for a turbomachine, turbomachine and method of manufacturing a riffled seal for a turbomachine |
| US20160109025A1 (en) | 2014-10-21 | 2016-04-21 | United Technologies Corporation | Seal ring |
| US10161259B2 (en) * | 2014-10-28 | 2018-12-25 | General Electric Company | Flexible film-riding seal |
| US9995160B2 (en) | 2014-12-22 | 2018-06-12 | General Electric Company | Airfoil profile-shaped seals and turbine components employing same |
| US10190431B2 (en) | 2015-02-11 | 2019-01-29 | General Electric Company | Seal assembly for rotary machine |
| US10030531B2 (en) * | 2016-01-22 | 2018-07-24 | United Technologies Corporation | Seal shoe for a hydrostatic non-contact seal device |
| US10428672B2 (en) * | 2016-02-08 | 2019-10-01 | United Technologies Corporation | Floating, non-contact seal and dimensions thereof |
| GB201611082D0 (en) * | 2016-06-24 | 2016-08-10 | Cross Mfg Company (1938) Ltd | Leaf seal |
| US10718270B2 (en) | 2017-06-15 | 2020-07-21 | Raytheon Technologies Corporation | Hydrostatic non-contact seal with dual material |
| US10337621B2 (en) * | 2017-06-23 | 2019-07-02 | United Technologies Corporation | Hydrostatic non-contact seal with weight reduction pocket |
| US10731761B2 (en) * | 2017-07-14 | 2020-08-04 | Raytheon Technologies Corporation | Hydrostatic non-contact seal with offset outer ring |
| US20190017404A1 (en) * | 2017-07-14 | 2019-01-17 | United Technologies Corporation | Hydrostatic non-contact seal with seal carrier elimination |
| US10422431B2 (en) * | 2017-07-17 | 2019-09-24 | United Technologies Corporation | Non-contact seal with progressive radial stop(s) |
| US10830081B2 (en) | 2017-07-17 | 2020-11-10 | Raytheon Technologies Corporation | Non-contact seal with non-straight spring beam(s) |
| US10184347B1 (en) * | 2017-07-18 | 2019-01-22 | United Technologies Corporation | Non-contact seal with resilient biasing element(s) |
| CN107366557B (zh) * | 2017-08-15 | 2023-05-12 | 沈阳航空航天大学 | 一种增加密封靴升力的低泄漏指尖密封结构 |
| US11047481B2 (en) | 2017-09-06 | 2021-06-29 | General Electric Company | Seal assembly for a rotary machine |
| US10774668B2 (en) * | 2017-09-20 | 2020-09-15 | General Electric Company | Intersage seal assembly for counter rotating turbine |
| US10626744B2 (en) * | 2017-09-29 | 2020-04-21 | United Technologies Corporation | Dual hydorstatic seal assembly |
| EP3492705B1 (en) * | 2017-12-01 | 2021-11-10 | General Electric Technology GmbH | Film-riding sealing system |
| US10731496B2 (en) * | 2018-01-17 | 2020-08-04 | Raytheon Technologies Corporation | Bearing-supported seal |
| US10731497B2 (en) * | 2018-02-07 | 2020-08-04 | Raytheon Technologies Corporation | Separate secondary seal support rail for seal |
| US10533606B2 (en) | 2018-04-13 | 2020-01-14 | Hamilton Sundstrand Corporation | Air bearing shaft assembly with surface layer |
| CN109404058B (zh) * | 2018-12-03 | 2024-01-16 | 河北国源电气股份有限公司 | 汽轮机用汽封 |
| US10982770B2 (en) | 2019-01-03 | 2021-04-20 | Raytheon Technologies Corporation | Hydrostatic seal with extended housing |
| US11378187B2 (en) * | 2019-01-03 | 2022-07-05 | Raytheon Technologies Corporation | Articulating cantilevered hydrostatic seal |
| US10995861B2 (en) * | 2019-01-03 | 2021-05-04 | Raytheon Technologies Corporation | Cantilevered hydrostatic advanced low leakage seal |
| US10975713B2 (en) | 2019-01-04 | 2021-04-13 | Raytheon Technologies Corporation | Hydrostatic seal with aft tooth |
| US10961858B2 (en) | 2019-01-04 | 2021-03-30 | Raytheon Technologies Corporation | Hydrostatic seal with enhanced maneuver response |
| IT201900000373A1 (it) * | 2019-01-10 | 2020-07-10 | Nuovo Pignone Tecnologie Srl | Dispositivo di tenuta a labirinto |
| US10968763B2 (en) * | 2019-02-01 | 2021-04-06 | Raytheon Technologies Corporation | HALO seal build clearance methods |
| US11519285B2 (en) | 2019-05-13 | 2022-12-06 | Raytheon Technologies Corporation | Bellows secondary seal for cantilevered hydrostatic advanced low leakage seal |
| US11415227B2 (en) * | 2019-08-21 | 2022-08-16 | Raytheon Technologies Corporation | Non-contact seal assembly with chamfered seal shoe |
| US11391377B2 (en) * | 2019-11-15 | 2022-07-19 | Eaton Intelligent Power Limited | Hydraulic seal |
| US11873903B2 (en) | 2019-12-19 | 2024-01-16 | Eaton Intelligent Power Limited | Self-correcting hydrodynamic seal |
| US20230106380A1 (en) * | 2020-03-30 | 2023-04-06 | General Electric Company | Seal assembly for a rotary machine |
| 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 |
| US11821320B2 (en) * | 2021-06-04 | 2023-11-21 | General Electric Company | Turbine engine with a rotor seal assembly |
| JP2023055283A (ja) * | 2021-10-06 | 2023-04-18 | 株式会社豊田自動織機 | ターボ式流体機械 |
| CN116517641A (zh) * | 2022-01-24 | 2023-08-01 | 通用电气公司 | 弯曲梁堆叠结构柔性的护罩 |
| 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 (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652109A (en) | 1948-02-24 | 1951-04-18 | Henry George Yates | Improvements in or relating to shaft glands |
| US3051497A (en) | 1957-01-25 | 1962-08-28 | Rolls Royce | Sealing means between relatively rotating parts |
| 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 |
| JPS62218889A (ja) | 1986-03-20 | 1987-09-26 | 日本精工株式会社 | 真空吸着機構付き静圧気体軸受スピンドル |
| JPS62243901A (ja) | 1986-04-15 | 1987-10-24 | Toshiba Corp | タ−ビンのシ−ル部間隙調整装置 |
| 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 |
| 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 |
| US5833369A (en) | 1997-03-28 | 1998-11-10 | Mohawk Innovative Technology, Inc. | High load capacity compliant foil hydrodynamic thrust bearing |
| US5902049A (en) | 1997-03-28 | 1999-05-11 | Mohawk Innovative Technology, Inc. | High load capacity compliant foil hydrodynamic journal bearing |
| US5915841A (en) | 1998-01-05 | 1999-06-29 | Capstone Turbine Corporation | Compliant foil fluid film radial bearing |
| US6505837B1 (en) | 1999-10-28 | 2003-01-14 | Mohawk Innovative Technology, Inc. | Compliant foil seal |
| US6371488B1 (en) | 1999-12-17 | 2002-04-16 | George E. Szymborski | Sealing system for high pressure closed systems having a rotating member and a housing therein |
| US6527274B2 (en) | 2000-12-13 | 2003-03-04 | General Electric Company | Turbine rotor-stator leaf seal and related method |
| 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 |
| DE60218045T2 (de) | 2001-07-06 | 2007-06-06 | R & D Dynamics Corp., Bloomfield | Hydrodynamische folien-gleitringdichtung |
| US6655696B1 (en) * | 2002-06-28 | 2003-12-02 | General Electric Company | Seal carrier for a rotary machine and method of retrofitting |
| US6648332B1 (en) * | 2002-07-29 | 2003-11-18 | General Electric Company | Steam turbine packing casing horizontal joint seals and methods of forming the seals |
| 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 |
| US6854736B2 (en) | 2003-03-26 | 2005-02-15 | Siemens Westinghouse Power Corporation | Seal assembly for a rotary machine |
| US8919781B2 (en) * | 2003-05-01 | 2014-12-30 | Advanced Technologies Group, Inc. | Self-adjusting non-contact seal |
| US8641045B2 (en) | 2003-05-01 | 2014-02-04 | Advanced Technologies Group, Inc. | Seal with stacked sealing elements |
| US8002285B2 (en) | 2003-05-01 | 2011-08-23 | Justak John F | Non-contact seal for a gas turbine engine |
| CN100420884C (zh) | 2003-08-26 | 2008-09-24 | 通用电气公司 | 用于旋转式机器的密封件托架和改进方法 |
| US7435049B2 (en) | 2004-03-30 | 2008-10-14 | General Electric Company | Sealing device and method for turbomachinery |
| FR2869943B1 (fr) | 2004-05-04 | 2006-07-28 | Snecma Moteurs Sa | Ensemble a anneau fixe d'une turbine a gaz |
| US7229246B2 (en) * | 2004-09-30 | 2007-06-12 | General Electric Company | Compliant seal and system and method thereof |
| JP4120643B2 (ja) | 2005-01-07 | 2008-07-16 | トヨタ自動車株式会社 | ピストン装置 |
| US7721433B2 (en) | 2005-03-28 | 2010-05-25 | United Technologies Corporation | Blade outer seal assembly |
| US7600967B2 (en) | 2005-07-30 | 2009-10-13 | United Technologies Corporation | Stator assembly, module and method for forming a rotary machine |
| US20070132193A1 (en) | 2005-12-13 | 2007-06-14 | Wolfe Christopher E | Compliant abradable sealing system and method for rotary machines |
| 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 |
| US20100143101A1 (en) | 2008-12-05 | 2010-06-10 | General Electric Company | Compliant foil seal for rotary machines |
| US8303245B2 (en) | 2009-10-09 | 2012-11-06 | General Electric Company | Shroud assembly with discourager |
| US8474827B2 (en) * | 2010-06-11 | 2013-07-02 | Cmg Tech, Llc | Film riding pressure actuated leaf seal assembly |
| US9145785B2 (en) * | 2011-03-04 | 2015-09-29 | General Electric Company | Aerodynamic seal assemblies for turbo-machinery |
| US9255642B2 (en) * | 2012-07-06 | 2016-02-09 | General Electric Company | Aerodynamic seals for rotary machine |
-
2012
- 2012-07-31 US US13/562,705 patent/US9587746B2/en active Active
-
2013
- 2013-07-29 WO PCT/US2013/052524 patent/WO2014022290A1/en active Application Filing
- 2013-07-29 EP EP13747582.8A patent/EP2893155A1/en not_active Withdrawn
- 2013-07-29 BR BR112015002217A patent/BR112015002217A2/pt not_active IP Right Cessation
- 2013-07-29 CN CN201380051276.6A patent/CN104662257B/zh active Active
- 2013-07-29 CA CA2880628A patent/CA2880628C/en not_active Expired - Fee Related
- 2013-07-29 JP JP2015525487A patent/JP6047236B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2893155A1 (en) | 2015-07-15 |
| CN104662257B (zh) | 2016-08-24 |
| CA2880628A1 (en) | 2014-02-06 |
| CN104662257A (zh) | 2015-05-27 |
| JP6047236B2 (ja) | 2016-12-21 |
| WO2014022290A1 (en) | 2014-02-06 |
| CA2880628C (en) | 2017-09-05 |
| US9587746B2 (en) | 2017-03-07 |
| JP2015523500A (ja) | 2015-08-13 |
| US20140062024A1 (en) | 2014-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2525 DE 28-05-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |