BR112016028347A2 - rotor para turbomáquina que compreende pás com plataformas adicionais - Google Patents
rotor para turbomáquina que compreende pás com plataformas adicionaisInfo
- Publication number
- BR112016028347A2 BR112016028347A2 BR112016028347A BR112016028347A BR112016028347A2 BR 112016028347 A2 BR112016028347 A2 BR 112016028347A2 BR 112016028347 A BR112016028347 A BR 112016028347A BR 112016028347 A BR112016028347 A BR 112016028347A BR 112016028347 A2 BR112016028347 A2 BR 112016028347A2
- Authority
- BR
- Brazil
- Prior art keywords
- cavities
- blades
- bulb
- consecutive
- rotor
- 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
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
-
- 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
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and rotor
- F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
-
- 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
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
-
- 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
- F01D5/32—Locking, e.g. by final locking blades or keys
-
- 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
-
- 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
- F05D2260/30—Retaining components in desired mutual position
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
a invenção visa fornecer um rotor a uma turbomáquina que compreende: um disco que apresenta cavidades em sua periferia, denominadas cavidades primárias; uma pluralidade de pás (100), que apresentam uma base (110) que consiste em, na porção inferior da mesma, um bulbo (120) travado axialmente nas ditas cavidades primárias; uma pluralidade de plataformas adicionais (300, 400), em que cada uma está disposta entre duas pás (100) consecutivas; sendo que o dito rotor é distinguido pelo fato de que as ditas plataformas (300, 400) apresentam: uma placa substancialmente retilínea (301, 401) e um bulbo (302, 402) que se estende radialmente sob a placa (301, 401), sendo que o dito bulbo (302, 402) é travado axialmente nas cavidades secundárias dispostas na periferia do disco, em que as cavidades secundárias estão posicionadas entre duas cavidades primárias consecutivas; um spoiler (310, 410) que se estende de modo substancialmente axial, em que o dito spoiler (310, 410) forma um setor anular disposto voltado para pelo menos duas pás consecutivas.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1455017 | 2014-06-03 | ||
FR1455017A FR3021691B1 (fr) | 2014-06-03 | 2014-06-03 | Rotor pour turbomachine comportant des aubes a plates-formes raportees |
PCT/FR2015/051471 WO2015185860A1 (fr) | 2014-06-03 | 2015-06-03 | Rotor pour turbomachine comportant des aubes a plates formes rapportées |
Publications (3)
Publication Number | Publication Date |
---|---|
BR112016028347A2 true BR112016028347A2 (pt) | 2017-08-22 |
BR112016028347A8 BR112016028347A8 (pt) | 2021-06-29 |
BR112016028347B1 BR112016028347B1 (pt) | 2022-08-09 |
Family
ID=51862389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112016028347-3A BR112016028347B1 (pt) | 2014-06-03 | 2015-06-03 | Rotor para turbomáquina que compreende pás com plataformas adicionais |
Country Status (8)
Country | Link |
---|---|
US (1) | US10138737B2 (pt) |
EP (1) | EP3152404B1 (pt) |
CN (1) | CN106536862B (pt) |
BR (1) | BR112016028347B1 (pt) |
CA (1) | CA2951014C (pt) |
FR (1) | FR3021691B1 (pt) |
RU (1) | RU2692863C2 (pt) |
WO (1) | WO2015185860A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3085711B1 (fr) * | 2018-09-06 | 2021-07-23 | Safran Aircraft Engines | Roue a aubes de turbomachine pour aeronef |
GB202114773D0 (en) | 2021-10-15 | 2021-12-01 | Rolls Royce Plc | Bladed disc |
GB202114772D0 (en) * | 2021-10-15 | 2021-12-01 | Rolls Royce Plc | Bladed disc |
FR3140649A1 (fr) * | 2022-10-07 | 2024-04-12 | Safran Aircraft Engines | Disque pour une turbine de turbomachine d’aeronef |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1426933A (fr) * | 1964-08-05 | 1966-02-04 | Gen Electric | Perfectionnements aux rotors de turbomachines |
US4033705A (en) * | 1976-04-26 | 1977-07-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Blade retainer assembly |
FR2524933B1 (fr) * | 1982-04-13 | 1987-02-20 | Snecma | Dispositif de verrouillage axial d'aubes de rotor de turbine ou de compresseur |
FR2608674B1 (fr) | 1986-12-17 | 1991-04-19 | Snecma | Roue de turbine a aubes ceramique |
FR2669686B1 (fr) * | 1990-11-28 | 1994-09-02 | Snecma | Rotor de soufflante avec aubes sans plates-formes et sabots reconstituant le profil de veine. |
FR2831207B1 (fr) | 2001-10-24 | 2004-06-04 | Snecma Moteurs | Plates-formes pour aubes d'un ensemble rotatif |
US7284958B2 (en) * | 2003-03-22 | 2007-10-23 | Allison Advanced Development Company | Separable blade platform |
RU2413073C2 (ru) * | 2005-09-07 | 2011-02-27 | Сименс Акциенгезелльшафт | Система для осевой фиксации рабочих лопаток в роторе, уплотнительный элемент для такой системы, а также применение такой системы |
ATE441776T1 (de) * | 2007-01-09 | 2009-09-15 | Siemens Ag | Axialer rotorabschnitt für einen rotor einer turbine |
EP1978211A1 (de) * | 2007-04-04 | 2008-10-08 | Siemens Aktiengesellschaft | Anordnung zur Axialsicherung an Laufschaufeln in einem Rotor sowie Gasturbine mit einer solchen Anordnung |
US7878763B2 (en) * | 2007-05-15 | 2011-02-01 | General Electric Company | Turbine rotor blade assembly and method of assembling the same |
FR2918409B1 (fr) * | 2007-07-05 | 2011-05-27 | Snecma | Partie tournante de turbomachine comprenant des secteurs inter-aubes formant plateforme rapportes fixement sur un disque |
-
2014
- 2014-06-03 FR FR1455017A patent/FR3021691B1/fr active Active
-
2015
- 2015-06-03 WO PCT/FR2015/051471 patent/WO2015185860A1/fr active Application Filing
- 2015-06-03 EP EP15732842.8A patent/EP3152404B1/fr active Active
- 2015-06-03 CN CN201580037839.5A patent/CN106536862B/zh active Active
- 2015-06-03 BR BR112016028347-3A patent/BR112016028347B1/pt active IP Right Grant
- 2015-06-03 US US15/316,423 patent/US10138737B2/en active Active
- 2015-06-03 CA CA2951014A patent/CA2951014C/fr active Active
- 2015-06-03 RU RU2016151174A patent/RU2692863C2/ru active
Also Published As
Publication number | Publication date |
---|---|
WO2015185860A1 (fr) | 2015-12-10 |
US10138737B2 (en) | 2018-11-27 |
US20170218778A1 (en) | 2017-08-03 |
BR112016028347B1 (pt) | 2022-08-09 |
RU2692863C2 (ru) | 2019-06-28 |
BR112016028347A8 (pt) | 2021-06-29 |
EP3152404B1 (fr) | 2018-08-01 |
CN106536862A (zh) | 2017-03-22 |
CA2951014A1 (fr) | 2015-12-10 |
RU2016151174A (ru) | 2018-07-09 |
CA2951014C (fr) | 2022-04-26 |
CN106536862B (zh) | 2018-09-18 |
RU2016151174A3 (pt) | 2018-12-06 |
FR3021691B1 (fr) | 2016-06-24 |
EP3152404A1 (fr) | 2017-04-12 |
FR3021691A1 (fr) | 2015-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/06/2015, OBSERVADAS AS CONDICOES LEGAIS |