SU1471661A1 - Уплотнение радиального зазора турбомашины - Google Patents
Уплотнение радиального зазора турбомашиныInfo
- Publication number
- SU1471661A1 SU1471661A1 SU4234097/06A SU4234097A SU1471661A1 SU 1471661 A1 SU1471661 A1 SU 1471661A1 SU 4234097/06 A SU4234097/06 A SU 4234097/06A SU 4234097 A SU4234097 A SU 4234097A SU 1471661 A1 SU1471661 A1 SU 1471661A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ring
- packing
- turbomachine
- radial clearance
- vibrator
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
- 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
- F01D25/04—Antivibration arrangements
-
- 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
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/407—Transmission of power through piezoelectric conversion
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
- F05D2260/962—Preventing, counteracting or reducing vibration or noise by means of "anti-noise"
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
- F05D2270/101—Compressor surge or stall
-
- 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
- F05D2270/00—Control
- F05D2270/60—Control system actuates means
- F05D2270/62—Electrical actuators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Изобретение позволяет повысить эффективность работы турбомашины. В корпусе 1 установлено кольцо 2. На обращенной к лопаткам 3 поверхности 4 кольца 2 выполнены кольцевые канавки 5. Уплотнение снабжено охватывающим кольцо 2 вибратором. Вибратор выполнен в виде пьезокерамического цилиндра 6 с нанесенными на его внутренней и наружной поверхностях электродами 7, 8 и закреплен по внутренней поверхности на кольце 2, а по торцам 9, 10 на корпусе 1. Уплотнение позволяет уменьшить концевые перетечки за счет радиальных колебаний цилиндра 6 и кольца 2, которые возникают при подаче напряжения на электроды 7 и 8. 2 ил.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4234097/06A SU1471661A1 (ru) | 1987-04-22 | 1987-04-22 | Уплотнение радиального зазора турбомашины |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4234097/06A SU1471661A1 (ru) | 1987-04-22 | 1987-04-22 | Уплотнение радиального зазора турбомашины |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1471661A1 true SU1471661A1 (ru) | 1996-11-20 |
Family
ID=60534731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4234097/06A SU1471661A1 (ru) | 1987-04-22 | 1987-04-22 | Уплотнение радиального зазора турбомашины |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1471661A1 (ru) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2537100C2 (ru) * | 2009-09-08 | 2014-12-27 | Снекма | Регулирование зазоров на вершине лопаток турбомашины |
RU2710458C2 (ru) * | 2014-10-10 | 2019-12-26 | Сафран Аэро Бустерс Са | Внешний корпус компрессора осевой турбомашины с уплотнением |
-
1987
- 1987-04-22 SU SU4234097/06A patent/SU1471661A1/ru active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2537100C2 (ru) * | 2009-09-08 | 2014-12-27 | Снекма | Регулирование зазоров на вершине лопаток турбомашины |
RU2710458C2 (ru) * | 2014-10-10 | 2019-12-26 | Сафран Аэро Бустерс Са | Внешний корпус компрессора осевой турбомашины с уплотнением |
EP3006679B1 (fr) * | 2014-10-10 | 2023-09-06 | Safran Aero Boosters SA | Carter externe de turbomachine axiale et procédé de commande d'un dispositif d'étanchéité de carter externe de turbomachine axiale |
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