UA81901C2 - Колесо газотурбинного двигателя, оборудованное системой лопаток - Google Patents
Колесо газотурбинного двигателя, оборудованное системой лопаток Download PDFInfo
- Publication number
- UA81901C2 UA81901C2 UA20040604706A UA20040604706A UA81901C2 UA 81901 C2 UA81901 C2 UA 81901C2 UA 20040604706 A UA20040604706 A UA 20040604706A UA 20040604706 A UA20040604706 A UA 20040604706A UA 81901 C2 UA81901 C2 UA 81901C2
- Authority
- UA
- Ukraine
- Prior art keywords
- impeller
- upstream
- ring
- thickness
- downstream
- Prior art date
Links
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000003351 stiffener Substances 0.000 claims description 10
- 241000251131 Sphyrna Species 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
- F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
- F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
-
- 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
- F05D2240/00—Components
- F05D2240/80—Platforms for stationary or moving blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Предложенное изобретение относится к оснащенному системой лопаток рабочему колесу газотурбины и газотурбинного двигателя, которое содержит лопатки (1), расположенные в канале конической формы и удерживаемые в периферийной кольцевой канавке (7) рабочего колеса (12) с помощью узлов крепления молоткообразной формы, причем каждая из названных лопаток дополнительно имеет платформу (30), внешняя в радиальном направлении поверхность (30а) которой ограничивает канал потока газов и внутренняя в радиальном направлении поверхность (30b) которой представляет собой переднее по потоку ребро жесткости (32) и заднее по потоку ребро жесткости (33), которые располагаются в плоскостях, перпендикулярных оси вращения данного рабочего колеса, и расположенные рядом в радиальном направлении соответственно переднее по потоку кольцо (20) и заднее по потоку кольцо (21), сформированные на периферийной части данного рабочего колеса (12) по одну и по другую сторону от названной кольцевой канавки (7) для обеспечения герметичности в этих зонах, которое отличается тем, что толщина заднего по потоку ребра жесткости (33) в осевом направлении превышает толщину заднего по потоку кольца (21).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0307214A FR2856105B1 (fr) | 2003-06-16 | 2003-06-16 | Amelioration de la capacite de retention d'une aube a attache marteau dissymetrique a l'aide des raidisseurs de plates-formes |
Publications (1)
Publication Number | Publication Date |
---|---|
UA81901C2 true UA81901C2 (ru) | 2008-02-25 |
Family
ID=33396778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UA20040604706A UA81901C2 (ru) | 2003-06-16 | 2004-06-15 | Колесо газотурбинного двигателя, оборудованное системой лопаток |
Country Status (9)
Country | Link |
---|---|
US (1) | US7080974B2 (ru) |
EP (1) | EP1489266B1 (ru) |
JP (1) | JP4227077B2 (ru) |
CA (1) | CA2470073C (ru) |
DE (1) | DE602004008153T2 (ru) |
ES (1) | ES2291833T3 (ru) |
FR (1) | FR2856105B1 (ru) |
RU (1) | RU2333366C2 (ru) |
UA (1) | UA81901C2 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004051116A1 (de) * | 2004-10-20 | 2006-04-27 | Mtu Aero Engines Gmbh | Rotor einer Turbomaschine, insbesondere Gasturbinenrotor |
FR2897099B1 (fr) * | 2006-02-08 | 2012-08-17 | Snecma | Roue de rotor de turbomachine |
US8608447B2 (en) * | 2009-02-19 | 2013-12-17 | Rolls-Royce Corporation | Disk for turbine engine |
EP2282010A1 (de) * | 2009-06-23 | 2011-02-09 | Siemens Aktiengesellschaft | Laufschaufel für eine axial durchströmbare Turbomaschine |
US9097131B2 (en) | 2012-05-31 | 2015-08-04 | United Technologies Corporation | Airfoil and disk interface system for gas turbine engines |
US9140136B2 (en) | 2012-05-31 | 2015-09-22 | United Technologies Corporation | Stress-relieved wire seal assembly for gas turbine engines |
US9267386B2 (en) | 2012-06-29 | 2016-02-23 | United Technologies Corporation | Fairing assembly |
SG11201407843UA (en) | 2012-08-17 | 2015-03-30 | United Technologies Corp | Contoured flowpath surface |
GB201800732D0 (en) | 2018-01-17 | 2018-02-28 | Rolls Royce Plc | Blade for a gas turbine engine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2391623A (en) * | 1943-12-08 | 1945-12-25 | Armstrong Siddeley Motors Ltd | Bladed rotor |
US2494658A (en) * | 1946-05-10 | 1950-01-17 | United Aircraft Corp | Blade mounting |
GB612097A (en) * | 1946-10-09 | 1948-11-08 | English Electric Co Ltd | Improvements in and relating to the cooling of gas turbine rotors |
US4349318A (en) * | 1980-01-04 | 1982-09-14 | Avco Corporation | Boltless blade retainer for a turbine wheel |
US4304523A (en) * | 1980-06-23 | 1981-12-08 | General Electric Company | Means and method for securing a member to a structure |
US4460315A (en) * | 1981-06-29 | 1984-07-17 | General Electric Company | Turbomachine rotor assembly |
FR2680828A1 (fr) * | 1991-08-28 | 1993-03-05 | Sev Motorola | Rotor de turbomachine a positionnement angulaire ameliore des aubes. |
US5622475A (en) * | 1994-08-30 | 1997-04-22 | General Electric Company | Double rabbet rotor blade retention assembly |
FR2758364B1 (fr) * | 1997-01-16 | 1999-02-12 | Snecma | Disque aubage a aubes tripodes |
GB2332024B (en) | 1997-12-03 | 2000-12-13 | Rolls Royce Plc | Rotary assembly |
FR2812906B1 (fr) | 2000-08-10 | 2002-09-20 | Snecma Moteurs | Bague de retention axiale d'un flasque sur un disque |
-
2003
- 2003-06-16 FR FR0307214A patent/FR2856105B1/fr not_active Expired - Fee Related
-
2004
- 2004-06-10 DE DE602004008153T patent/DE602004008153T2/de not_active Expired - Lifetime
- 2004-06-10 ES ES04291450T patent/ES2291833T3/es not_active Expired - Lifetime
- 2004-06-10 EP EP04291450A patent/EP1489266B1/fr not_active Expired - Lifetime
- 2004-06-15 US US10/866,678 patent/US7080974B2/en not_active Expired - Lifetime
- 2004-06-15 UA UA20040604706A patent/UA81901C2/ru unknown
- 2004-06-15 RU RU2004118078/06A patent/RU2333366C2/ru active
- 2004-06-15 CA CA2470073A patent/CA2470073C/fr not_active Expired - Lifetime
- 2004-06-15 JP JP2004176735A patent/JP4227077B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1489266A1 (fr) | 2004-12-22 |
CA2470073C (fr) | 2011-08-16 |
DE602004008153T2 (de) | 2008-05-15 |
EP1489266B1 (fr) | 2007-08-15 |
RU2004118078A (ru) | 2006-01-10 |
ES2291833T3 (es) | 2008-03-01 |
JP4227077B2 (ja) | 2009-02-18 |
RU2333366C2 (ru) | 2008-09-10 |
FR2856105A1 (fr) | 2004-12-17 |
JP2005009492A (ja) | 2005-01-13 |
US7080974B2 (en) | 2006-07-25 |
CA2470073A1 (fr) | 2004-12-16 |
DE602004008153D1 (de) | 2007-09-27 |
US20040253113A1 (en) | 2004-12-16 |
FR2856105B1 (fr) | 2007-05-25 |
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