UA79743C2 - Пристрій та спосіб зниження вібрації в ньому - Google Patents
Пристрій та спосіб зниження вібрації в ньому Download PDFInfo
- Publication number
- UA79743C2 UA79743C2 UA20031110068A UA20031110068A UA79743C2 UA 79743 C2 UA79743 C2 UA 79743C2 UA 20031110068 A UA20031110068 A UA 20031110068A UA 20031110068 A UA20031110068 A UA 20031110068A UA 79743 C2 UA79743 C2 UA 79743C2
- Authority
- UA
- Ukraine
- Prior art keywords
- angles
- adjacent
- rotor
- sources
- disturbances
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000007423 decrease Effects 0.000 title description 8
- 238000009826 distribution Methods 0.000 claims abstract description 76
- 230000005284 excitation Effects 0.000 claims abstract description 64
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 238000001228 spectrum Methods 0.000 claims abstract description 30
- 230000004044 response Effects 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 10
- 238000000695 excitation spectrum Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000009467 reduction Effects 0.000 description 9
- 230000002452 interceptive effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/10—Anti- vibration means
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/20—Suppression of vibrations of rotating systems by favourable grouping or relative arrangements of the moving members of the system or systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Vibration Prevention Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Braking Arrangements (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0106237A FR2824597B1 (fr) | 2001-05-11 | 2001-05-11 | Reduction de vibrations dans une structure comprenant un rotor et des sources de perturbation fixes |
PCT/FR2002/001593 WO2002092969A1 (fr) | 2001-05-11 | 2002-05-10 | Structure comprenant un rotor et des sources de perturbations fixes et procede de reduction de vibrations dans cette structure |
Publications (1)
Publication Number | Publication Date |
---|---|
UA79743C2 true UA79743C2 (uk) | 2007-07-25 |
Family
ID=8863166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UA20031110068A UA79743C2 (uk) | 2001-05-11 | 2002-10-05 | Пристрій та спосіб зниження вібрації в ньому |
Country Status (11)
Country | Link |
---|---|
US (1) | US7029227B2 (ja) |
EP (1) | EP1386058B2 (ja) |
JP (3) | JP4195304B2 (ja) |
AT (1) | ATE333569T1 (ja) |
CA (1) | CA2446590C (ja) |
DE (1) | DE60213227T3 (ja) |
ES (1) | ES2266509T5 (ja) |
FR (1) | FR2824597B1 (ja) |
RU (1) | RU2304220C2 (ja) |
UA (1) | UA79743C2 (ja) |
WO (1) | WO2002092969A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004001845A1 (de) * | 2004-01-13 | 2005-08-04 | J. Eberspächer GmbH & Co. KG | Förderorgan, insbesondere Rotor oder Stator, zur Förderung eines fließfähigen, vorzugsweise gasförmigen, Mediums |
US7097420B2 (en) * | 2004-04-14 | 2006-08-29 | General Electric Company | Methods and apparatus for assembling gas turbine engines |
EP1956247A4 (en) * | 2005-11-29 | 2014-05-14 | Ihi Corp | CASCADE OF GUIDES OF A TURBOFLUID MACHINE |
GB0601837D0 (en) * | 2006-01-31 | 2006-03-08 | Rolls Royce Plc | An aerofoil assembly and a method of manufacturing an aerofoil assembly |
US8602156B2 (en) * | 2006-05-19 | 2013-12-10 | United Technologies Corporation | Multi-splice acoustic liner |
EP2096321B1 (en) | 2006-12-21 | 2017-03-22 | Mitsubishi Hitachi Power Systems, Ltd. | Compressor |
FR2913074B1 (fr) | 2007-02-27 | 2009-05-22 | Snecma Sa | Methode de reduction des niveaux vibratoires d'une roue aubagee de turbomachine. |
US20090317237A1 (en) * | 2008-06-20 | 2009-12-24 | General Electric Company | System and method for reduction of unsteady pressures in turbomachinery |
FR2935427B1 (fr) * | 2008-08-27 | 2010-09-24 | Snecma | Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine. |
FR2935350B1 (fr) | 2008-08-27 | 2011-05-20 | Snecma | Methode de reduction des niveaux vibratoires d'une helice de turbomoteur. |
TWI398579B (zh) * | 2009-12-18 | 2013-06-11 | Yen Sun Technology Corp | A cooling fan with reduced noise |
TW201122238A (en) * | 2009-12-18 | 2011-07-01 | Yen Sun Technology Corp | Low-noise boost fan. |
EP2550732A2 (de) * | 2010-03-22 | 2013-01-30 | Siemens Aktiengesellschaft | Vermeidung von torsionsanregungen in umrichtergeführten verdichtersträngen |
IT1399118B1 (it) * | 2010-04-01 | 2013-04-05 | Nuovo Pignone Spa | Sistema e metodo di smorzamento del modo torsionale senza sensori |
US20110274537A1 (en) * | 2010-05-09 | 2011-11-10 | Loc Quang Duong | Blade excitation reduction method and arrangement |
US8684685B2 (en) * | 2010-10-20 | 2014-04-01 | General Electric Company | Rotary machine having grooves for control of fluid dynamics |
US8678752B2 (en) | 2010-10-20 | 2014-03-25 | General Electric Company | Rotary machine having non-uniform blade and vane spacing |
US20120288373A1 (en) * | 2011-05-13 | 2012-11-15 | Hamilton Sundstrand Corporation | Rotor with asymmetric blade spacing |
US20130094942A1 (en) * | 2011-10-12 | 2013-04-18 | Raymond Angus MacKay | Non-uniform variable vanes |
GB201120979D0 (en) * | 2011-12-07 | 2012-01-18 | Rolls Royce Plc | Stator vane array |
RU2499889C1 (ru) * | 2012-03-13 | 2013-11-27 | Открытое акционерное общество Конструкторско-производственное предприятие "Авиамотор" | Способ снижения динамических напряжений в рабочих лопатках последней ступени турбины |
EP2696078B1 (de) * | 2012-08-09 | 2019-10-02 | MTU Aero Engines AG | Beschaufelter Rotor für eine Turbomaschine und zugehöriges Montageverfahren |
US9599126B1 (en) * | 2012-09-26 | 2017-03-21 | Airtech Vacuum Inc. | Noise abating impeller |
RU2579300C1 (ru) * | 2014-12-09 | 2016-04-10 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения им. П.И. Баранова" | Способ доводки колес турбомашин |
US10156146B2 (en) | 2016-04-25 | 2018-12-18 | General Electric Company | Airfoil with variable slot decoupling |
RU2634655C1 (ru) * | 2016-11-21 | 2017-11-02 | Общество с ограниченной ответственностью "Инжиниринговый центр "Газотурбинные технологии" | Способ доводки соплового аппарата турбины газотурбинного двигателя |
RU174950U1 (ru) * | 2016-11-21 | 2017-11-13 | Общество с ограниченной ответственностью "Инжиниринговый центр "Газотурбинные технологии" | Сопловой аппарат турбины |
CN206322105U (zh) * | 2016-12-30 | 2017-07-11 | 华硕电脑股份有限公司 | 离心式风扇 |
WO2018127970A1 (ja) * | 2017-01-06 | 2018-07-12 | 三菱電機株式会社 | ファン、送風機、及び電動機 |
US20190063464A1 (en) * | 2017-08-31 | 2019-02-28 | Ford Global Technologies, Llc | Engine cooling fans with uneven blade spacing |
GB201808646D0 (en) * | 2018-05-25 | 2018-07-11 | Rolls Royce Plc | Rotor Blade Arrangement |
GB201808651D0 (en) * | 2018-05-25 | 2018-07-11 | Rolls Royce Plc | Rotor blade arrangement |
GB201808650D0 (en) * | 2018-05-25 | 2018-07-11 | Rolls Royce Plc | Rotor Blade Arrangement |
DE102018119704A1 (de) * | 2018-08-14 | 2020-02-20 | Rolls-Royce Deutschland Ltd & Co Kg | Schaufelrad einer Strömungsmaschine |
US20230192282A1 (en) * | 2020-02-03 | 2023-06-22 | Kymatics, Llc | Rotor active stability control |
CN113404711B (zh) * | 2021-08-03 | 2023-04-07 | 广东泛仕达农牧风机有限公司 | 一种桶型轴流风机 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1534721A (en) * | 1924-04-28 | 1925-04-21 | Aeg | Construction of elastic-fluid turbines to prevent breakage of blades due to vibrations |
GB777955A (en) † | 1954-07-06 | 1957-07-03 | Ruston & Hornsby Ltd | Improvements in or relating to fluid flow machines such as hydraulic, steam or gas turbines or axial-flow compressors |
US3006603A (en) † | 1954-08-25 | 1961-10-31 | Gen Electric | Turbo-machine blade spacing with modulated pitch |
US3169747A (en) * | 1961-01-06 | 1965-02-16 | Bristol Siddeley Engines Ltd | Rotary bladed power conversion machines |
US3883264A (en) * | 1971-04-08 | 1975-05-13 | Gadicherla V R Rao | Quiet fan with non-radial elements |
JPS5525555A (en) * | 1978-08-12 | 1980-02-23 | Hitachi Ltd | Impeller |
FR2617914A1 (fr) * | 1987-07-06 | 1989-01-13 | Mizrahi Alexandre | Procede de reduction des vibrations et du bruit d'un ensemble tournant et ensemble tournant mettant en oeuvre le procede |
FR2652858B1 (fr) * | 1989-10-11 | 1993-05-07 | Snecma | Stator de turbomachine associe a des moyens de deformation. |
SE500471C2 (sv) * | 1991-07-09 | 1994-07-04 | Flaekt Ab | Ledskeneanordning i en axialfläkt |
US5342167A (en) * | 1992-10-09 | 1994-08-30 | Airflow Research And Manufacturing Corporation | Low noise fan |
JPH0861002A (ja) * | 1994-08-24 | 1996-03-05 | Mitsubishi Heavy Ind Ltd | 蒸気タービンのダイヤフラム |
JPH08200283A (ja) * | 1995-01-30 | 1996-08-06 | Hitachi Ltd | 貫流ファンおよびこれを備えた空気調和機 |
JPH09256802A (ja) * | 1996-03-21 | 1997-09-30 | Mitsubishi Heavy Ind Ltd | ラジアル型ガスタービンのノズル環 |
WO1998036966A1 (en) * | 1997-02-21 | 1998-08-27 | California Institute Of Technology | Rotors with mistuned blades |
JPH11200808A (ja) * | 1998-01-07 | 1999-07-27 | Mitsubishi Heavy Ind Ltd | 圧縮機静翼 |
US6553753B1 (en) † | 1998-07-24 | 2003-04-29 | General Electric Company | Control systems and methods for water injection in a turbine engine |
JP3567086B2 (ja) * | 1998-07-28 | 2004-09-15 | 株式会社東芝 | 送風羽根及び回転電機 |
US6439838B1 (en) * | 1999-12-18 | 2002-08-27 | General Electric Company | Periodic stator airfoils |
-
2001
- 2001-05-11 FR FR0106237A patent/FR2824597B1/fr not_active Expired - Lifetime
-
2002
- 2002-05-10 AT AT02738237T patent/ATE333569T1/de not_active IP Right Cessation
- 2002-05-10 EP EP02738237A patent/EP1386058B2/fr not_active Expired - Lifetime
- 2002-05-10 JP JP2002590217A patent/JP4195304B2/ja not_active Expired - Lifetime
- 2002-05-10 CA CA002446590A patent/CA2446590C/fr not_active Expired - Lifetime
- 2002-05-10 RU RU2003132703/06A patent/RU2304220C2/ru active
- 2002-05-10 ES ES02738237T patent/ES2266509T5/es not_active Expired - Lifetime
- 2002-05-10 DE DE60213227T patent/DE60213227T3/de not_active Expired - Lifetime
- 2002-05-10 US US10/477,234 patent/US7029227B2/en not_active Expired - Lifetime
- 2002-05-10 WO PCT/FR2002/001593 patent/WO2002092969A1/fr active IP Right Grant
- 2002-10-05 UA UA20031110068A patent/UA79743C2/uk unknown
-
2008
- 2008-07-08 JP JP2008177513A patent/JP4857311B2/ja not_active Expired - Lifetime
-
2011
- 2011-08-04 JP JP2011170840A patent/JP2011231775A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2008274961A (ja) | 2008-11-13 |
US7029227B2 (en) | 2006-04-18 |
FR2824597B1 (fr) | 2004-04-02 |
DE60213227D1 (de) | 2006-08-31 |
CA2446590A1 (fr) | 2002-11-21 |
RU2003132703A (ru) | 2005-05-20 |
ES2266509T5 (es) | 2010-05-28 |
EP1386058B2 (fr) | 2010-01-20 |
EP1386058A1 (fr) | 2004-02-04 |
EP1386058B1 (fr) | 2006-07-19 |
JP4195304B2 (ja) | 2008-12-10 |
DE60213227T3 (de) | 2013-06-06 |
RU2304220C2 (ru) | 2007-08-10 |
JP4857311B2 (ja) | 2012-01-18 |
ATE333569T1 (de) | 2006-08-15 |
WO2002092969A1 (fr) | 2002-11-21 |
ES2266509T3 (es) | 2007-03-01 |
FR2824597A1 (fr) | 2002-11-15 |
US20040175260A1 (en) | 2004-09-09 |
JP2011231775A (ja) | 2011-11-17 |
JP2004525303A (ja) | 2004-08-19 |
CA2446590C (fr) | 2009-09-29 |
DE60213227T2 (de) | 2007-07-05 |
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