CN104948238A - 具有局部柔性液动力垫的端面密封件 - Google Patents
具有局部柔性液动力垫的端面密封件 Download PDFInfo
- Publication number
- CN104948238A CN104948238A CN201510137605.XA CN201510137605A CN104948238A CN 104948238 A CN104948238 A CN 104948238A CN 201510137605 A CN201510137605 A CN 201510137605A CN 104948238 A CN104948238 A CN 104948238A
- Authority
- CN
- China
- Prior art keywords
- ring
- pad
- hydraulic power
- rotor
- spring
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 238000012545 processing Methods 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 230000001052 transient effect Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 9
- 239000000446 fuel Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
-
- 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
- F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/22—Lubricating arrangements using working-fluid or other gaseous fluid as lubricant
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- 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
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Mechanical Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/226,617 US9611749B2 (en) | 2014-03-26 | 2014-03-26 | Face seal with locally compliant hydrodynamic pads |
| US14/226617 | 2014-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104948238A true CN104948238A (zh) | 2015-09-30 |
Family
ID=54066940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137605.XA Pending CN104948238A (zh) | 2014-03-26 | 2015-03-26 | 具有局部柔性液动力垫的端面密封件 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9611749B2 (enExample) |
| JP (1) | JP6632206B2 (enExample) |
| KR (1) | KR20150111854A (enExample) |
| CN (1) | CN104948238A (enExample) |
| CH (1) | CH709443A2 (enExample) |
| DE (1) | DE102015103537A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525039A (zh) * | 2018-05-14 | 2018-09-14 | 苏州心擎医疗技术有限公司 | 泵装置 |
| CN109983204A (zh) * | 2016-11-18 | 2019-07-05 | 液化空气(中国)投资有限公司 | 涡轮膨胀机的低摩擦入口喷嘴 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10415413B2 (en) | 2016-09-01 | 2019-09-17 | United Technologies Corporation | Floating non-contact seal vertical lip |
| US10746039B2 (en) | 2017-09-25 | 2020-08-18 | United Technologies Corporation | Hydrostatic seal pinned cartridge |
| US10626744B2 (en) | 2017-09-29 | 2020-04-21 | United Technologies Corporation | Dual hydorstatic seal assembly |
| US10731496B2 (en) | 2018-01-17 | 2020-08-04 | Raytheon Technologies Corporation | Bearing-supported seal |
| US20190226585A1 (en) * | 2018-01-25 | 2019-07-25 | General Electric Company | Hydrodynamic Intershaft Piston Ring Seal |
| US10900570B2 (en) * | 2018-11-27 | 2021-01-26 | General Electric Company | Aspirating face seal assembly for a rotary machine |
| US10895324B2 (en) * | 2018-11-27 | 2021-01-19 | General Electric Company | Aspirating face seal assembly for a rotary machine |
| WO2020130124A1 (ja) * | 2018-12-20 | 2020-06-25 | 株式会社Ihi | スラストフォイル軸受 |
| WO2025170973A1 (en) * | 2024-02-05 | 2025-08-14 | Georgia Southern University Research And Service Foundation, Inc. | A self-throttling mechanical seal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399024A (en) * | 1994-01-12 | 1995-03-21 | Dresser-Rand Company | Face seal with hydrodynamic thrust pads |
| US5558341A (en) * | 1995-01-11 | 1996-09-24 | Stein Seal Company | Seal for sealing an incompressible fluid between a relatively stationary seal and a movable member |
| CN102733865A (zh) * | 2011-03-29 | 2012-10-17 | 阿尔斯通技术有限公司 | 涡轮机的膜控式密封件 |
| US20130272872A1 (en) * | 2012-04-13 | 2013-10-17 | General Electric Company | Shaft sealing system for steam turbines |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212475A (en) | 1979-01-15 | 1980-07-15 | Crane Packing Co. | Self aligning spiral groove face seal |
| IL65289A0 (en) | 1982-03-19 | 1982-05-31 | Lipschitz Abraham | Hydrodynamic non-contacting seal for rotary machines |
| US4576384A (en) | 1985-01-03 | 1986-03-18 | A. W. Chesterton Company | Split mechanical face seal |
| US5246295A (en) | 1991-10-30 | 1993-09-21 | Ide Russell D | Non-contacting mechanical face seal of the gap-type |
| US4738453A (en) | 1987-08-17 | 1988-04-19 | Ide Russell D | Hydrodynamic face seal with lift pads |
| US5143384A (en) | 1989-04-14 | 1992-09-01 | Eg&G Sealol, Inc. | Bi-directional, non-contact face seal |
| US5199720A (en) | 1990-05-25 | 1993-04-06 | John Crane, Inc. | Split mechanical face seal |
| US5066026A (en) | 1990-06-11 | 1991-11-19 | Kaydon Corporation | Gas face seal |
| GB9214282D0 (en) | 1992-07-04 | 1992-08-19 | Crane John Uk Ltd | Seals |
| US5938206A (en) * | 1996-11-01 | 1999-08-17 | John Crane Inc. | Pressure responsive primary ring for a non-contacting mechanical end face seal |
| US6152452A (en) | 1997-10-17 | 2000-11-28 | Wang; Yuming | Face seal with spiral grooves |
| US6179555B1 (en) | 1998-10-06 | 2001-01-30 | Pratt & Whitney Canada Corp. | Sealing of T.O.B.I feed plenum |
| US6142479A (en) | 1998-10-14 | 2000-11-07 | Jm Clipper Corporation | Split labyrinth seal |
| AU771741B2 (en) | 1999-07-15 | 2004-04-01 | Christopher Frederick Bayne | Shaft seals for sealing pulverulent solids |
| US6390477B1 (en) | 1999-10-14 | 2002-05-21 | Garlock Inc | Rotary shaft bearing isolator seal |
| US6485023B2 (en) | 2000-05-04 | 2002-11-26 | Flowserve Management Company | Split mechanical face seal |
| US7044470B2 (en) * | 2000-07-12 | 2006-05-16 | Perkinelmer, Inc. | Rotary face seal assembly |
| US6446976B1 (en) | 2000-09-06 | 2002-09-10 | Flowserve Management Company | Hydrodynamic face seal with grooved sealing dam for zero-leakage |
| US7726661B2 (en) | 2002-06-21 | 2010-06-01 | Inpro/Seal Llc | Pressure balanced shaft seal assembly |
| KR101059342B1 (ko) | 2005-09-29 | 2011-08-24 | 프라임 무버 인터네셔널, 엘엘씨 | 수소 지-사이클 로터리 내연 기관 |
| US7631879B2 (en) | 2006-06-21 | 2009-12-15 | General Electric Company | “L” butt gap seal between segments in seal assemblies |
| JP2009257445A (ja) * | 2008-04-16 | 2009-11-05 | Mitsubishi Heavy Ind Ltd | ティルティングパッドスラスト軸受 |
| US9004495B2 (en) | 2008-09-15 | 2015-04-14 | Stein Seal Company | Segmented intershaft seal assembly |
| US8657573B2 (en) | 2010-04-13 | 2014-02-25 | Rolls-Royce Corporation | Circumferential sealing arrangement |
-
2014
- 2014-03-26 US US14/226,617 patent/US9611749B2/en active Active
-
2015
- 2015-03-11 DE DE102015103537.5A patent/DE102015103537A1/de not_active Withdrawn
- 2015-03-18 CH CH00391/15A patent/CH709443A2/de not_active Application Discontinuation
- 2015-03-19 JP JP2015055488A patent/JP6632206B2/ja active Active
- 2015-03-20 KR KR1020150038855A patent/KR20150111854A/ko not_active Abandoned
- 2015-03-26 CN CN201510137605.XA patent/CN104948238A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399024A (en) * | 1994-01-12 | 1995-03-21 | Dresser-Rand Company | Face seal with hydrodynamic thrust pads |
| US5558341A (en) * | 1995-01-11 | 1996-09-24 | Stein Seal Company | Seal for sealing an incompressible fluid between a relatively stationary seal and a movable member |
| CN102733865A (zh) * | 2011-03-29 | 2012-10-17 | 阿尔斯通技术有限公司 | 涡轮机的膜控式密封件 |
| US20130272872A1 (en) * | 2012-04-13 | 2013-10-17 | General Electric Company | Shaft sealing system for steam turbines |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109983204A (zh) * | 2016-11-18 | 2019-07-05 | 液化空气(中国)投资有限公司 | 涡轮膨胀机的低摩擦入口喷嘴 |
| CN108525039A (zh) * | 2018-05-14 | 2018-09-14 | 苏州心擎医疗技术有限公司 | 泵装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150111854A (ko) | 2015-10-06 |
| US20150275685A1 (en) | 2015-10-01 |
| JP2015187443A (ja) | 2015-10-29 |
| JP6632206B2 (ja) | 2020-01-22 |
| US9611749B2 (en) | 2017-04-04 |
| CH709443A2 (de) | 2015-09-30 |
| DE102015103537A1 (de) | 2015-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104948239A (zh) | 端面密封件 | |
| CN104948238A (zh) | 具有局部柔性液动力垫的端面密封件 | |
| US8540479B2 (en) | Active retractable seal for turbo machinery and related method | |
| US7735833B2 (en) | Double padded finger seal | |
| CN104884744B (zh) | 用于旋转机器的膜骑跨式空气动力学密封件 | |
| CN102135019A (zh) | 用于迷宫式密封的密封环的方法和装置 | |
| RU2598620C2 (ru) | Уплотнительный узел для турбомашины (варианты) | |
| KR102233588B1 (ko) | 분할 시일 링을 사용하여 회전 기계를 실링하는 방법 및 시스템 | |
| JP2007303463A (ja) | 蒸気タービン用可変隙間正圧パッキンのための引張ばねアクチュエータ | |
| CN102322529A (zh) | 弯曲迷宫密封 | |
| JP2007071203A (ja) | 回転機械を組み立てるための方法及び装置 | |
| US20140348642A1 (en) | Conjoined gas turbine interface seal | |
| US10837301B2 (en) | Structure for multi-stage sealing of turbine | |
| US8206082B2 (en) | Packing seal rotor lands | |
| CN101818661B (zh) | 悬链式涡轮密封系统 | |
| EP2592233B1 (en) | Turbine system comprising a convolution seal | |
| EP3159488B1 (en) | Sealing assembly and corresponding turbine | |
| US8632075B2 (en) | Seal assembly and method for flowing hot gas in a turbine | |
| US10280777B2 (en) | System and method including a circumferential seal assembly to facilitate sealing in a turbine | |
| CN110130997A (zh) | 一种可轴向退让的汽轮机汽封结构及其工作方法 | |
| US10844748B2 (en) | Inner casing for steam turbine engine | |
| US20150167486A1 (en) | Axially faced seal system | |
| US20130280048A1 (en) | Seal for a turbine system | |
| US20140205440A1 (en) | Compliant plate seals for rotary machines | |
| US20140054863A1 (en) | Seal assembly for a turbine system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150930 |
|
| WD01 | Invention patent application deemed withdrawn after publication |