CH708707A2 - Turbinenanordnung mit dynamischer Abdichtung. - Google Patents
Turbinenanordnung mit dynamischer Abdichtung. Download PDFInfo
- Publication number
- CH708707A2 CH708707A2 CH01536/14A CH15362014A CH708707A2 CH 708707 A2 CH708707 A2 CH 708707A2 CH 01536/14 A CH01536/14 A CH 01536/14A CH 15362014 A CH15362014 A CH 15362014A CH 708707 A2 CH708707 A2 CH 708707A2
- Authority
- CH
- Switzerland
- Prior art keywords
- seal
- blades
- turbine
- housing
- assembly
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 230000009467 reduction Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 11
- 230000001052 transient effect Effects 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101000574648 Homo sapiens Retinoid-inducible serine carboxypeptidase Proteins 0.000 description 1
- 102100025483 Retinoid-inducible serine carboxypeptidase Human genes 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000007787 solid Substances 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D11/122—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 with erodable or abradable material
-
- 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
- F01D11/20—Actively adjusting tip-clearance
- F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/049,967 US9488060B2 (en) | 2013-10-09 | 2013-10-09 | Systems and methods for dynamically sealing a turbine engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH708707A2 true CH708707A2 (de) | 2015-04-15 |
Family
ID=52693397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH01536/14A CH708707A2 (de) | 2013-10-09 | 2014-10-08 | Turbinenanordnung mit dynamischer Abdichtung. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9488060B2 (enExample) |
| JP (1) | JP2015075110A (enExample) |
| CN (1) | CN104564176B (enExample) |
| CH (1) | CH708707A2 (enExample) |
| DE (1) | DE102014114386A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10458429B2 (en) | 2016-05-26 | 2019-10-29 | Rolls-Royce Corporation | Impeller shroud with slidable coupling for clearance control in a centrifugal compressor |
| JP7267109B2 (ja) * | 2019-05-31 | 2023-05-01 | 三菱重工業株式会社 | 蒸気タービンのシールクリアランス調整方法 |
| US11519284B2 (en) * | 2020-06-02 | 2022-12-06 | General Electric Company | Turbine engine with a floating interstage seal |
| US12345163B2 (en) | 2023-11-17 | 2025-07-01 | Rolls-Royce Corporation | Travel stop for a tip clearance control system |
| US12345162B2 (en) | 2023-11-17 | 2025-07-01 | Rolls-Royce Corporation | Adjustable position impeller shroud for centrifugal compressors |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603599A (en) | 1970-05-06 | 1971-09-07 | Gen Motors Corp | Cooled seal |
| JPH0711908A (ja) * | 1993-06-25 | 1995-01-13 | Mitsubishi Heavy Ind Ltd | 蒸気タービン動翼のフラッタ防止装置 |
| US6257588B1 (en) * | 1998-09-22 | 2001-07-10 | General Electric Company | Brush seal and rotary machine including such brush seal |
| US6769865B2 (en) | 2002-03-22 | 2004-08-03 | General Electric Company | Band cooled turbine nozzle |
| GB0308147D0 (en) * | 2003-04-09 | 2003-05-14 | Rolls Royce Plc | A seal |
| US7040861B2 (en) | 2004-03-04 | 2006-05-09 | General Electric Company | Method and apparatus for reducing self sealing flow in combined-cycle steam turbines |
| US20070132193A1 (en) * | 2005-12-13 | 2007-06-14 | Wolfe Christopher E | Compliant abradable sealing system and method for rotary machines |
| US20070248452A1 (en) * | 2006-04-25 | 2007-10-25 | Brisson Bruce W | Retractable compliant abradable sealing system and method for rotary machines |
| US20080042367A1 (en) | 2006-08-17 | 2008-02-21 | General Electric Company | A variable clearance packing ring |
| US8256228B2 (en) * | 2008-04-29 | 2012-09-04 | Rolls Royce Corporation | Turbine blade tip clearance apparatus and method |
| US8186945B2 (en) * | 2009-05-26 | 2012-05-29 | General Electric Company | System and method for clearance control |
| US20120027573A1 (en) | 2010-08-02 | 2012-02-02 | General Electric Company | Seal teeth for seal assembly |
-
2013
- 2013-10-09 US US14/049,967 patent/US9488060B2/en not_active Expired - Fee Related
-
2014
- 2014-10-02 DE DE201410114386 patent/DE102014114386A1/de not_active Ceased
- 2014-10-06 JP JP2014205338A patent/JP2015075110A/ja active Pending
- 2014-10-08 CH CH01536/14A patent/CH708707A2/de not_active Application Discontinuation
- 2014-10-09 CN CN201410528434.9A patent/CN104564176B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014114386A1 (de) | 2015-04-09 |
| CN104564176B (zh) | 2017-10-24 |
| US9488060B2 (en) | 2016-11-08 |
| US20150098806A1 (en) | 2015-04-09 |
| JP2015075110A (ja) | 2015-04-20 |
| CN104564176A (zh) | 2015-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NV | New agent |
Representative=s name: GENERAL ELECTRIC TECHNOLOGY GMBH GLOBAL PATENT, CH |
|
| AZW | Rejection (application) |