ITMI910920A0 - Disposizione di tenuta interstadio per stadi di profili aerodinamici di motori controrotanti di turbomotori - Google Patents
Disposizione di tenuta interstadio per stadi di profili aerodinamici di motori controrotanti di turbomotoriInfo
- Publication number
- ITMI910920A0 ITMI910920A0 IT91MI920A ITMI910920A ITMI910920A0 IT MI910920 A0 ITMI910920 A0 IT MI910920A0 IT 91MI920 A IT91MI920 A IT 91MI920A IT MI910920 A ITMI910920 A IT MI910920A IT MI910920 A0 ITMI910920 A0 IT MI910920A0
- Authority
- IT
- Italy
- Prior art keywords
- counter
- seal arrangement
- turbo engine
- interstage seal
- engine airfoil
- Prior art date
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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
- B64C11/48—Units of two or more coaxial propellers
-
- 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
-
- 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
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
-
- 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
- Y10T29/4932—Turbomachine making
- Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/505,120 US5197281A (en) | 1990-04-03 | 1990-04-03 | Interstage seal arrangement for airfoil stages of turbine engine counterrotating rotors |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI910920A0 true ITMI910920A0 (it) | 1991-04-03 |
ITMI910920A1 ITMI910920A1 (it) | 1992-10-03 |
IT1246921B IT1246921B (it) | 1994-11-29 |
Family
ID=24009099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI910920A IT1246921B (it) | 1990-04-03 | 1991-04-03 | Disposizione di tenuta interstadio per stadi di profili aerodinamici di motori controrotanti di turbomotori |
Country Status (7)
Country | Link |
---|---|
US (1) | US5197281A (it) |
JP (1) | JPH0692741B2 (it) |
CA (1) | CA2034469A1 (it) |
DE (1) | DE4110244A1 (it) |
FR (1) | FR2660371A1 (it) |
GB (1) | GB2242709B (it) |
IT (1) | IT1246921B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5443590A (en) * | 1993-06-18 | 1995-08-22 | General Electric Company | Rotatable turbine frame |
US5429478A (en) * | 1994-03-31 | 1995-07-04 | United Technologies Corporation | Airfoil having a seal and an integral heat shield |
FR2724412B1 (fr) * | 1994-09-14 | 1996-10-25 | Snecma | Aube de turbomachine en materiau composite munie d'un joint d'etancheite et son procede de realisation |
US5702050A (en) * | 1995-04-28 | 1997-12-30 | Mitsubishi Jukogyo Kabushiki Kaisha | Method of brazing a honeycomb |
US5749701A (en) * | 1996-10-28 | 1998-05-12 | General Electric Company | Interstage seal assembly for a turbine |
DE19938443A1 (de) * | 1999-08-13 | 2001-02-15 | Abb Alstom Power Ch Ag | Befestigungs- und Fixierungsvorrichtung |
US6503051B2 (en) * | 2001-06-06 | 2003-01-07 | General Electric Company | Overlapping interference seal and methods for forming the seal |
US6896483B2 (en) | 2001-07-02 | 2005-05-24 | Allison Advanced Development Company | Blade track assembly |
ITMI20021219A1 (it) * | 2002-06-05 | 2003-12-05 | Nuovo Pignone Spa | Dispositivo di supporto semplificato per ugelli di uno stadio di una turbina a gas |
US6890150B2 (en) * | 2003-08-12 | 2005-05-10 | General Electric Company | Center-located cutter teeth on shrouded turbine blades |
US6899520B2 (en) * | 2003-09-02 | 2005-05-31 | General Electric Company | Methods and apparatus to reduce seal rubbing within gas turbine engines |
US20050200080A1 (en) * | 2004-03-10 | 2005-09-15 | Siemens Westinghouse Power Corporation | Seal for a turbine engine |
US8444371B2 (en) | 2010-04-09 | 2013-05-21 | General Electric Company | Axially-oriented cellular seal structure for turbine shrouds and related method |
DE102012200883B4 (de) * | 2012-01-23 | 2015-12-03 | MTU Aero Engines AG | Strömungsmaschinen-Dichtungsanordnung |
DE102012201050B4 (de) * | 2012-01-25 | 2017-11-30 | MTU Aero Engines AG | Dichtungsanordnung, Verfahren sowie Strömungsmaschine |
EP2647795B1 (de) * | 2012-04-04 | 2018-11-07 | MTU Aero Engines AG | Dichtungssystem für eine Strömungsmaschine |
EP2808491A1 (en) * | 2013-05-29 | 2014-12-03 | Alstom Technology Ltd | Stator vane and corresponding assembly |
CN106801620B (zh) * | 2015-11-25 | 2019-03-22 | 熵零股份有限公司 | 一种对转冲压叶轮机构 |
US10774668B2 (en) * | 2017-09-20 | 2020-09-15 | General Electric Company | Intersage seal assembly for counter rotating turbine |
FR3093541B1 (fr) * | 2019-03-08 | 2021-07-16 | Safran Aircraft Engines | Turbine à gaz pour aéronef à double rotor |
IT201900014736A1 (it) * | 2019-08-13 | 2021-02-13 | Ge Avio Srl | Elementi di tenuta integrali per pale trattenute in un rotore a tamburo esterno anulare girevole in una turbomacchina. |
IT201900014739A1 (it) | 2019-08-13 | 2021-02-13 | Ge Avio Srl | Elementi di trattenimento delle pale per turbomacchine. |
IT201900014724A1 (it) * | 2019-08-13 | 2021-02-13 | Ge Avio Srl | Elementi di trattenimento delle pale per turbomacchine. |
US11428160B2 (en) | 2020-12-31 | 2022-08-30 | General Electric Company | Gas turbine engine with interdigitated turbine and gear assembly |
US11365629B1 (en) | 2021-04-14 | 2022-06-21 | General Electric Company | Flow structure for turbine engine |
WO2024059189A1 (en) * | 2022-09-15 | 2024-03-21 | Maglev Aero Inc. | Systems and methods for vertical takeoff and landing vehicle with improved rotor sizing |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR379209A (fr) * | 1906-07-03 | 1907-10-29 | Sebastian Ziani De Ferranti | Perfectionnements aux turbines à fluide élastique |
US2410804A (en) * | 1942-01-19 | 1946-11-12 | Vickers Electrical Co Ltd | Turbine |
CH336660A (de) * | 1954-10-18 | 1959-02-28 | Vickers Electrical Co Ltd | Labyrinthgasdichtung |
US2963307A (en) * | 1954-12-28 | 1960-12-06 | Gen Electric | Honeycomb seal |
GB840573A (en) * | 1958-01-20 | 1960-07-06 | Rolls Royce | Labyrinth seals |
US3262635A (en) * | 1964-11-06 | 1966-07-26 | Gen Electric | Turbomachine sealing means |
US3423070A (en) * | 1966-11-23 | 1969-01-21 | Gen Electric | Sealing means for turbomachinery |
US3529905A (en) * | 1966-12-12 | 1970-09-22 | Gen Motors Corp | Cellular metal and seal |
US3537713A (en) * | 1968-02-21 | 1970-11-03 | Garrett Corp | Wear-resistant labyrinth seal |
US3501089A (en) * | 1968-07-17 | 1970-03-17 | Gen Electric | Jet pump ejector |
US3603599A (en) * | 1970-05-06 | 1971-09-07 | Gen Motors Corp | Cooled seal |
US3836156A (en) * | 1971-07-19 | 1974-09-17 | United Aircraft Canada | Ablative seal |
US3846899A (en) * | 1972-07-28 | 1974-11-12 | Gen Electric | A method of constructing a labyrinth seal |
US3861139A (en) * | 1973-02-12 | 1975-01-21 | Gen Electric | Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition |
FR2535795B1 (fr) * | 1982-11-08 | 1987-04-10 | Snecma | Dispositif de suspension d'aubes statoriques de compresseur axial pour le controle actif des jeux entre rotor et stator |
FR2552159B1 (fr) * | 1983-09-21 | 1987-07-10 | Snecma | Dispositif de liaison et d'etancheite de secteurs d'aubes de stator de turbine |
US4767267A (en) * | 1986-12-03 | 1988-08-30 | General Electric Company | Seal assembly |
US4867639A (en) * | 1987-09-22 | 1989-09-19 | Allied-Signal Inc. | Abradable shroud coating |
US4979755A (en) * | 1988-02-18 | 1990-12-25 | Westinghouse Electric Corp. | Flow dams in labyrinth seals to improve rotor stability |
FR2635562B1 (fr) * | 1988-08-18 | 1993-12-24 | Snecma | Anneau de stator de turbine associe a un support de liaison au carter de turbine |
US5010729A (en) * | 1989-01-03 | 1991-04-30 | General Electric Company | Geared counterrotating turbine/fan propulsion system |
-
1990
- 1990-04-03 US US07/505,120 patent/US5197281A/en not_active Expired - Fee Related
-
1991
- 1991-01-17 CA CA002034469A patent/CA2034469A1/en not_active Abandoned
- 1991-03-25 JP JP3082920A patent/JPH0692741B2/ja not_active Expired - Lifetime
- 1991-03-27 FR FR9103719A patent/FR2660371A1/fr not_active Withdrawn
- 1991-03-28 DE DE4110244A patent/DE4110244A1/de not_active Withdrawn
- 1991-03-28 GB GB9106594A patent/GB2242709B/en not_active Expired - Fee Related
- 1991-04-03 IT ITMI910920A patent/IT1246921B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5197281A (en) | 1993-03-30 |
JPH04228836A (ja) | 1992-08-18 |
GB2242709B (en) | 1993-08-18 |
CA2034469A1 (en) | 1991-10-04 |
DE4110244A1 (de) | 1991-10-10 |
IT1246921B (it) | 1994-11-29 |
FR2660371A1 (fr) | 1991-10-04 |
GB9106594D0 (en) | 1991-05-15 |
JPH0692741B2 (ja) | 1994-11-16 |
GB2242709A (en) | 1991-10-09 |
ITMI910920A1 (it) | 1992-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ITMI910920A0 (it) | Disposizione di tenuta interstadio per stadi di profili aerodinamici di motori controrotanti di turbomotori | |
IT8721332A0 (it) | Complesso di tenuta in particolareper turbomotori a gas. | |
DE59305589D1 (de) | Getriebe-Mehrwellenturbokompressor | |
IT1216546B (it) | Complesso di telaio di turbomotore a gas. | |
DE3880167D1 (de) | In das gehaeuse eingepresster aussenring eines stators fuer den blaeser eines turbotriebwerks. | |
GB2239678B (en) | Gas turbine engine blade shroud assembly | |
DE69323501D1 (de) | Gasturbinenschaufeldichtung | |
EP0469826A3 (en) | Seal assembly for segmented turbine engine structures | |
ITMI910271A0 (it) | Tenuta di alettoni di ugello di scarico | |
IL92824A0 (en) | High bypass turbofan engine having a partially geared fan drive turbine | |
IL98658A0 (en) | Curved film cooling for gas turbine engine vanes | |
GB8616153D0 (en) | Turbofan gas turbine engine | |
ITMI910721A1 (it) | Paletta di turbomotore a gas | |
DE69310317D1 (de) | Schaufelmontage für Bläsergasturbinentriebwerk | |
GB2288639B (en) | Ducted fan gas turbine engine nacelle assembly | |
IT1240296B (it) | Assieme rotorico per turbomotore a gas | |
IT1099249B (it) | Paletta di rotore raffreddata per un turbomotore a gas | |
DE69008429D1 (de) | Turbostrahl- und Raketenkombinationstriebwerk. | |
IT8323356A0 (it) | Accoppiati. sistema di supporto per motori a turbina a gas turboalbero | |
IT8321090A0 (it) | Prediffusore per motori a turbina a gas. | |
DE58901348D1 (de) | Turbine eines abgasturboladers. | |
ITTO930907A0 (it) | Turbopompa compatta di elevata potenza per motore a razzo. | |
IT8067518A0 (it) | Perfezionamenti nel turbo compressore per motori a combustione interna | |
GB9119852D0 (en) | Ducted fan gas turbine engine accessory drive system | |
DE69006868D1 (de) | Gasturbinenluftstrahltriebwerk. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |