RU2012126863A - TURBO INSTALLATION, METHOD FOR RESTRICTING LOSSES DUE TO LEAK FLOW IN TURBINE AND FLOW DECLINK DEVICE - Google Patents
TURBO INSTALLATION, METHOD FOR RESTRICTING LOSSES DUE TO LEAK FLOW IN TURBINE AND FLOW DECLINK DEVICE Download PDFInfo
- Publication number
- RU2012126863A RU2012126863A RU2012126863/06A RU2012126863A RU2012126863A RU 2012126863 A RU2012126863 A RU 2012126863A RU 2012126863/06 A RU2012126863/06 A RU 2012126863/06A RU 2012126863 A RU2012126863 A RU 2012126863A RU 2012126863 A RU2012126863 A RU 2012126863A
- Authority
- RU
- Russia
- Prior art keywords
- nozzle
- protrusion
- blade
- turbine
- reflector
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
-
- 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
- F01D11/08—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
- F01D11/127—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 a deformable or crushable structure, e.g. honeycomb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
1. Турбоустановка, содержащая лопатки, сопла и устройство отклонения потока, содержащее лопаточный отражатель и сопловой отражатель, которые обеспечивают ограничение потерь, обусловленных потоком протечки.2. Турбоустановка по п.1, в которой лопаточный отражатель имеет по меньшей мере один лопаточный выступ.3. Турбоустановка по п.2, в которой указанный по меньшей мере один лопаточный выступ содержит верхний по потоку выступ.4. Турбоустановка по п.2, в которой указанный по меньшей мере один лопаточный выступ содержит нижний по потоку выступ.5. Турбоустановка по п.2, в которой указанный по меньшей мере один лопаточный выступ имеет затупленную форму или вершину.6. Турбоустановка по п.2, в которой указанный по меньшей мере один лопаточный выступ содержит лопаточную истираемую часть.7. Турбоустановка по п.1, в которой сопловой отражатель имеет по меньшей мере один сопловой выступ.8. Турбоустановка по п.7, в которой указанный по меньшей мере один сопловой выступ содержит верхний по потоку выступ.9. Турбоустановка по п.7, в которой указанный по меньшей мере один сопловой выступ содержит нижний по потоку выступ.10. Турбоустановка по п.7, в которой указанный по меньшей мере один сопловой выступ содержит сопловую истираемую часть.11. Турбоустановка по п.7, в которой указанный по меньшей мере один сопловой выступ имеет полость.12. Турбоустановка по п.7, в которой указанный по меньшей мере один сопловой выступ имеет буртик, затупленную форму или вершину.13. Турбоустановка по п.1, представляющая собой турбину.14. Турбоустановка по п.1, представляющая собой компрессор.15. Способ ограничения потерь в турбине, обусловленных потоком протечки, включ1. A turbine unit containing blades, nozzles and a flow deflection device containing a vane reflector and a nozzle reflector, which provide limitation of losses due to the leakage flow. The turbine unit according to claim 1, wherein the blade reflector has at least one blade projection. The turbine unit of claim 2, wherein said at least one blade projection comprises an upstream projection. The turbine plant according to claim 2, wherein said at least one blade projection comprises a downstream projection. The turbine plant according to claim 2, wherein said at least one blade projection has a blunt shape or apex. The turbine unit according to claim 2, wherein said at least one blade projection comprises a blade abraded portion. The turbine unit according to claim 1, wherein the nozzle reflector has at least one nozzle protrusion. The turbine unit of claim 7, wherein said at least one nozzle protrusion comprises an upstream protrusion. The turbine unit of claim 7, wherein said at least one nozzle protrusion comprises a downstream protrusion. The turbine unit according to claim 7, wherein said at least one nozzle protrusion comprises a nozzle abraded portion. The turbine unit of claim 7, wherein said at least one nozzle protrusion has a cavity. The turbine unit of claim 7, wherein said at least one nozzle protrusion has a shoulder, a blunt shape, or a tip. The turbine unit according to claim 1, which is a turbine. The turbine unit according to claim 1, which is a compressor. 15. Method for limiting turbine losses due to leakage flow, including
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/171,521 US20130004290A1 (en) | 2011-06-29 | 2011-06-29 | Turbo-Machinery With Flow Deflector System |
US13/171,521 | 2011-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU2012126863A true RU2012126863A (en) | 2014-01-10 |
Family
ID=47355301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2012126863/06A RU2012126863A (en) | 2011-06-29 | 2012-06-28 | TURBO INSTALLATION, METHOD FOR RESTRICTING LOSSES DUE TO LEAK FLOW IN TURBINE AND FLOW DECLINK DEVICE |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130004290A1 (en) |
DE (1) | DE102012105504A1 (en) |
FR (1) | FR2977275A1 (en) |
RU (1) | RU2012126863A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9394800B2 (en) * | 2013-01-21 | 2016-07-19 | General Electric Company | Turbomachine having swirl-inhibiting seal |
US10060533B2 (en) * | 2014-12-17 | 2018-08-28 | United Technologies Corporation | Tiered brush seal |
EP3085900B1 (en) | 2015-04-21 | 2020-08-05 | Ansaldo Energia Switzerland AG | Abradable lip for a gas turbine |
FR3039225B1 (en) * | 2015-07-20 | 2017-07-21 | Snecma | TURBOMACHINE, SUCH AS A TURBO AIRCRAFT |
BE1025093B1 (en) | 2017-03-31 | 2018-10-29 | Safran Aero Boosters S.A. | RADIAL BRUSH JOINT ON AXIAL TURBOMACHINE ROTOR |
FR3088671B1 (en) * | 2018-11-16 | 2021-01-29 | Safran Aircraft Engines | TIGHTNESS BETWEEN A MOBILE WHEEL AND A TURBOMACHINE DISTRIBUTOR |
FR3127518A1 (en) * | 2021-09-28 | 2023-03-31 | Safran Helicopter Engines | TURBOMACHINE STAGE INCLUDING AT LEAST ONE SEAL RING |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3262635A (en) * | 1964-11-06 | 1966-07-26 | Gen Electric | Turbomachine sealing means |
US3339933A (en) * | 1965-02-24 | 1967-09-05 | Gen Electric | Rotary seal |
JPH10259703A (en) * | 1997-03-18 | 1998-09-29 | Mitsubishi Heavy Ind Ltd | Shroud for gas turbine and platform seal system |
DE10295864D2 (en) * | 2001-12-14 | 2004-11-04 | Alstom Technology Ltd Baden | Gas turbine arrangement |
US20070273104A1 (en) * | 2006-05-26 | 2007-11-29 | Siemens Power Generation, Inc. | Abradable labyrinth tooth seal |
US7708520B2 (en) * | 2006-11-29 | 2010-05-04 | United Technologies Corporation | Gas turbine engine with concave pocket with knife edge seal |
US20090110548A1 (en) * | 2007-10-30 | 2009-04-30 | Pratt & Whitney Canada Corp. | Abradable rim seal for low pressure turbine stage |
US20090238683A1 (en) * | 2008-03-24 | 2009-09-24 | United Technologies Corporation | Vane with integral inner air seal |
US8419356B2 (en) * | 2008-09-25 | 2013-04-16 | Siemens Energy, Inc. | Turbine seal assembly |
US8282346B2 (en) * | 2009-04-06 | 2012-10-09 | General Electric Company | Methods, systems and/or apparatus relating to seals for turbine engines |
-
2011
- 2011-06-29 US US13/171,521 patent/US20130004290A1/en not_active Abandoned
-
2012
- 2012-06-25 DE DE102012105504A patent/DE102012105504A1/en not_active Withdrawn
- 2012-06-26 FR FR1256048A patent/FR2977275A1/en not_active Withdrawn
- 2012-06-28 RU RU2012126863/06A patent/RU2012126863A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2977275A1 (en) | 2013-01-04 |
DE102012105504A1 (en) | 2013-01-03 |
US20130004290A1 (en) | 2013-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA93 | Acknowledgement of application withdrawn (no request for examination) |
Effective date: 20150629 |