BR112016006514A2 - estágio de rotor de turbina axial com uma variação de velocidade adaptativa para tensões dinâmicas - Google Patents
estágio de rotor de turbina axial com uma variação de velocidade adaptativa para tensões dinâmicasInfo
- Publication number
- BR112016006514A2 BR112016006514A2 BR112016006514A BR112016006514A BR112016006514A2 BR 112016006514 A2 BR112016006514 A2 BR 112016006514A2 BR 112016006514 A BR112016006514 A BR 112016006514A BR 112016006514 A BR112016006514 A BR 112016006514A BR 112016006514 A2 BR112016006514 A2 BR 112016006514A2
- Authority
- BR
- Brazil
- Prior art keywords
- axial turbine
- turbine rotor
- adaptive speed
- dynamic stresses
- speed range
- 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
- 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
-
- 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
- F01D25/005—Selecting particular materials
-
- 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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- 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
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/305—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the pressure side of a rotor blade
-
- 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/306—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the suction side of a rotor blade
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
resumo “estágio de rotor de turbina axial com uma variação de velocidade adaptativa para tensões dinâmicas” estágio de rotor de uma turbina axial compreendendo uma pluralidade de palhetas e uma pluralidade de atenuadores interpostos entre cada par de palhetas subsequentes, o referido atenuador impedindo a rotação dos perfis de palheta cau-sada pela força centrífuga durante a operação e atingindo um reforço do arranjo de palheta do rotor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2013/002140 WO2015044699A1 (en) | 2013-09-26 | 2013-09-26 | Rotor stage of axial turbine with an adaptive regulation to dynamic stresses |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112016006514A2 true BR112016006514A2 (pt) | 2017-08-01 |
Family
ID=49683779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112016006514A BR112016006514A2 (pt) | 2013-09-26 | 2013-09-26 | estágio de rotor de turbina axial com uma variação de velocidade adaptativa para tensões dinâmicas |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160208623A1 (pt) |
EP (1) | EP3049634B1 (pt) |
JP (1) | JP2017502187A (pt) |
KR (1) | KR20160070076A (pt) |
BR (1) | BR112016006514A2 (pt) |
CA (1) | CA2925002A1 (pt) |
WO (1) | WO2015044699A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3521565A1 (de) * | 2018-01-31 | 2019-08-07 | Siemens Aktiengesellschaft | Turbinenschaufel mit stabilisierungselement und zugehöriger rotor |
FR3086693B1 (fr) * | 2018-10-01 | 2021-01-22 | Safran Aircraft Engines | Cale pour turbomachine, ensemble pour turbomachine, turbomachine et procede associes |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1252766A (fr) * | 1959-12-18 | 1961-02-03 | Alsthom Cgee | Entretoises pour aubes de turbines |
JPS49120901U (pt) * | 1973-02-15 | 1974-10-16 | ||
JPS533442B2 (pt) * | 1973-11-05 | 1978-02-07 | ||
JPS5632441B2 (pt) * | 1973-11-30 | 1981-07-28 | ||
JPS5337964B2 (pt) | 1974-05-15 | 1978-10-12 | ||
JPS54125307A (en) * | 1978-03-24 | 1979-09-28 | Toshiba Corp | Connecting device for turbine movable blades |
JPS54138910A (en) | 1978-04-19 | 1979-10-27 | Hitachi Ltd | Movable vane connection apparatus |
JPS56143301A (en) | 1980-04-09 | 1981-11-09 | Toshiba Corp | Turbine blades |
JPS572405A (en) * | 1980-06-05 | 1982-01-07 | Hitachi Ltd | Rotary blade connector of axial-flow rotary machine |
JPS5756606A (en) | 1980-09-22 | 1982-04-05 | Hitachi Ltd | Connecting device of rotary blade |
JPS58176402A (ja) * | 1982-04-10 | 1983-10-15 | Toshiba Corp | タ−ビン動翼の制振装置 |
GB2171151B (en) * | 1985-02-20 | 1988-05-18 | Rolls Royce | Rotors for gas turbine engines |
US5288209A (en) * | 1991-12-19 | 1994-02-22 | General Electric Company | Automatic adaptive sculptured machining |
DE10340773A1 (de) | 2003-09-02 | 2005-03-24 | Man Turbomaschinen Ag | Rotor einer Dampf- oder Gasturbine |
JP2005256786A (ja) * | 2004-03-12 | 2005-09-22 | Mitsubishi Heavy Ind Ltd | 回転機械、及び、回転機械の連成方法 |
JP4765882B2 (ja) * | 2006-10-05 | 2011-09-07 | 株式会社日立製作所 | 蒸気タービン動翼 |
US7758311B2 (en) * | 2006-10-12 | 2010-07-20 | General Electric Company | Part span shrouded fan blisk |
GB2467582B (en) | 2009-02-10 | 2011-07-06 | Rolls Royce Plc | Vibration damper assembly |
US8540488B2 (en) | 2009-12-14 | 2013-09-24 | Siemens Energy, Inc. | Turbine blade damping device with controlled loading |
FR2955142B1 (fr) | 2010-01-13 | 2013-08-23 | Snecma | Amortisseur de vibrations a pion entre talons d'aubes adjacentes en materiau composite d'une roue mobile de turbomachine. |
US8523525B2 (en) * | 2010-02-05 | 2013-09-03 | Siemens Energy, Inc. | Snubber assembly for turbine blades |
US8066479B2 (en) | 2010-04-05 | 2011-11-29 | Pratt & Whitney Rocketdyne, Inc. | Non-integral platform and damper for an airfoil |
US20140255207A1 (en) * | 2012-12-21 | 2014-09-11 | General Electric Company | Turbine rotor blades having mid-span shrouds |
-
2013
- 2013-09-26 BR BR112016006514A patent/BR112016006514A2/pt not_active Application Discontinuation
- 2013-09-26 JP JP2016518096A patent/JP2017502187A/ja active Pending
- 2013-09-26 CA CA2925002A patent/CA2925002A1/en active Pending
- 2013-09-26 KR KR1020167009772A patent/KR20160070076A/ko not_active Application Discontinuation
- 2013-09-26 US US15/024,513 patent/US20160208623A1/en not_active Abandoned
- 2013-09-26 WO PCT/IB2013/002140 patent/WO2015044699A1/en active Application Filing
- 2013-09-26 EP EP13799101.4A patent/EP3049634B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160208623A1 (en) | 2016-07-21 |
WO2015044699A1 (en) | 2015-04-02 |
KR20160070076A (ko) | 2016-06-17 |
JP2017502187A (ja) | 2017-01-19 |
EP3049634A1 (en) | 2016-08-03 |
CA2925002A1 (en) | 2015-04-02 |
EP3049634B1 (en) | 2019-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |