BR112017023163A2 - pré-forma, pá de motor de turbina, roda de pás, e, motor de turbina - Google Patents

pré-forma, pá de motor de turbina, roda de pás, e, motor de turbina

Info

Publication number
BR112017023163A2
BR112017023163A2 BR112017023163-8A BR112017023163A BR112017023163A2 BR 112017023163 A2 BR112017023163 A2 BR 112017023163A2 BR 112017023163 A BR112017023163 A BR 112017023163A BR 112017023163 A2 BR112017023163 A2 BR 112017023163A2
Authority
BR
Brazil
Prior art keywords
turbine engine
segment
longitudinal
forming
spade
Prior art date
Application number
BR112017023163-8A
Other languages
English (en)
Other versions
BR112017023163B1 (pt
Inventor
Alain De Gaillard Thomas
Jacqueline Denise Berdou Caroline
Bernard Marie Boisson Alexandre
Arnaud Gimat Matthieu
Original Assignee
Safran Aircraft Engines
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines filed Critical Safran Aircraft Engines
Publication of BR112017023163A2 publication Critical patent/BR112017023163A2/pt
Publication of BR112017023163B1 publication Critical patent/BR112017023163B1/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • 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
    • 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
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2307/00—Use of elements other than metals as reinforcement
    • B29K2307/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • 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
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/50—Building or constructing in particular ways
    • F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
    • 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
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • F05D2300/6034—Orientation of fibres, weaving, ply angle
    • 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)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Textile Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Moulding By Coating Moulds (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Woven Fabrics (AREA)

Abstract

a invenção refere-se a uma pré-forma para uma pá de motor de turbina, obtida por meio de tecelagem tridimensional e compreendendo: um primeiro segmento longitudinal (31) adequado para formar pelo menos uma porção de uma raiz de pá; um segundo segmento longitudinal (32) que se estende para cima a partir do primeiro segmento longitudinal, adequado para formar pelo menos uma porção de haste; um terceiro segmento longitudinal (33) que se estende para cima a partir do segundo segmento longitudinal (32), adequado para formar uma porção de lâmina; um primeiro segmento transversal (34) que se estende transversalmente a partir da junção entre os segundo e terceiro segmentos longitudinais (32, 33), adequado para formar uma primeira plataforma; e um primeiro segmento oblíquo (36) que se estende da junção entre os primeiro e segundo segmentos longitudinais (31, 32) até o primeiro segmento transversal (34), adequado para formar um perno de retenção (26) para a primeira plataforma.
BR112017023163-8A 2015-04-29 2016-04-26 Pré-forma, pá de motor de turbina, roda de pás, e, motor de turbina BR112017023163B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1553851 2015-04-29
FR1553851A FR3035678B1 (fr) 2015-04-29 2015-04-29 Aube munie de plateformes possedant une jambe de retenue
PCT/FR2016/050982 WO2016174346A1 (fr) 2015-04-29 2016-04-26 Aube munie de plateformes possedant une jambe de retenue.

Publications (2)

Publication Number Publication Date
BR112017023163A2 true BR112017023163A2 (pt) 2018-07-24
BR112017023163B1 BR112017023163B1 (pt) 2021-11-16

Family

ID=53484038

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017023163-8A BR112017023163B1 (pt) 2015-04-29 2016-04-26 Pré-forma, pá de motor de turbina, roda de pás, e, motor de turbina

Country Status (9)

Country Link
US (1) US10619493B2 (pt)
EP (1) EP3288738B1 (pt)
JP (1) JP6771488B2 (pt)
CN (1) CN107530909B (pt)
BR (1) BR112017023163B1 (pt)
CA (1) CA2983970C (pt)
FR (1) FR3035678B1 (pt)
RU (1) RU2701534C2 (pt)
WO (1) WO2016174346A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3063448B1 (fr) * 2017-03-01 2019-04-05 Safran Aircraft Engines Preforme et aube monobloc pour turbomachine
US11280202B2 (en) 2020-04-06 2022-03-22 Raytheon Technologies Corporation Balanced composite root region for a blade of a gas turbine engine
US11834960B2 (en) 2022-02-18 2023-12-05 General Electric Company Methods and apparatus to reduce deflection of an airfoil
FR3132927B1 (fr) * 2022-02-21 2024-02-16 Safran Aircraft Engines Préforme d’aube, aube et système de fixation d’aube de turbomachine
US11846192B1 (en) 2023-04-21 2023-12-19 General Electric Company Airfoil assembly with a trunnion and spar
US12078080B1 (en) 2023-04-21 2024-09-03 General Electric Company Airfoil assembly with a trunnion and spar

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656146A (en) * 1948-04-08 1953-10-20 Curtiss Wright Corp Turbine blade construction
US3294364A (en) * 1962-01-02 1966-12-27 Gen Electric Rotor assembly
US4343593A (en) * 1980-01-25 1982-08-10 The United States Of America As Represented By The Secretary Of The Air Force Composite blade for turbofan engine fan
JPS61179731A (ja) * 1984-12-29 1986-08-12 日本マイヤー株式会社 三次元構造材料
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
FR2639402B1 (fr) * 1988-11-23 1990-12-28 Snecma Disque ailete de rotor de turbomachine
US6446675B1 (en) * 2001-07-05 2002-09-10 Albany International Techniweave, Inc. Minimum distortion 3D woven preforms
US6874543B2 (en) * 2001-09-12 2005-04-05 Lockheed Martin Corporation Woven preform for structural joints
US6821087B2 (en) * 2002-01-21 2004-11-23 Honda Giken Kogyo Kabushiki Kaisha Flow-rectifying member and its unit and method for producing flow-rectifying member
FR2855440B1 (fr) * 2003-05-27 2006-07-14 Snecma Moteurs Procede de fabrication d'une aube creuse pour turbomachine.
US8079387B2 (en) * 2008-10-29 2011-12-20 Albany Engineered Composites, Inc. Pi-shaped preform
US8251651B2 (en) * 2009-01-28 2012-08-28 United Technologies Corporation Segmented ceramic matrix composite turbine airfoil component
FR2946999B1 (fr) * 2009-06-18 2019-08-09 Safran Aircraft Engines Element de distributeur de turbine en cmc, procede pour sa fabrication, et distributeur et turbine a gaz l'incorporant.
FR2953885B1 (fr) * 2009-12-14 2012-02-10 Snecma Aube de turbomachine en materiau composite et procede pour sa fabrication
DE102009060650A1 (de) * 2009-12-22 2011-06-30 Keller, Walter, 66994 Aeroakustisches Rotorblatt für eine Windkraftanlage sowie damit ausgestattete Windkraftanlage
US9033673B2 (en) * 2010-06-28 2015-05-19 Herakles Turbomachine blade or vane having complementary asymmetrical geometry
US9212560B2 (en) * 2011-06-30 2015-12-15 United Technologies Corporation CMC blade with integral 3D woven platform
FR2983428B1 (fr) * 2011-12-01 2014-01-17 Snecma Propulsion Solide Procede de fabrication d'une aube de turbomachine en materiau composite a plates-formes integrees
IN2014DN05637A (pt) * 2012-01-09 2015-04-03 Snecma
RU122679U1 (ru) * 2012-05-10 2012-12-10 Общество с ограниченной ответственностью "Агрисовгаз" Шарнирный щит опалубки
US10508559B2 (en) * 2012-11-13 2019-12-17 Safran Aircraft Engines Monobloc preform and blade for turbo machine
US9976426B2 (en) * 2015-07-21 2018-05-22 United Technologies Corporation Fan platform with stiffening feature

Also Published As

Publication number Publication date
RU2017141278A (ru) 2019-05-29
CN107530909A (zh) 2018-01-02
EP3288738B1 (fr) 2019-04-03
FR3035678B1 (fr) 2017-05-12
CN107530909B (zh) 2020-08-21
JP2018523041A (ja) 2018-08-16
JP6771488B2 (ja) 2020-10-21
RU2701534C2 (ru) 2019-09-27
US10619493B2 (en) 2020-04-14
US20180100400A1 (en) 2018-04-12
BR112017023163B1 (pt) 2021-11-16
EP3288738A1 (fr) 2018-03-07
RU2017141278A3 (pt) 2019-08-01
FR3035678A1 (fr) 2016-11-04
CA2983970C (fr) 2023-03-07
WO2016174346A1 (fr) 2016-11-03
CA2983970A1 (fr) 2016-11-03

Similar Documents

Publication Publication Date Title
BR112017023163A2 (pt) pré-forma, pá de motor de turbina, roda de pás, e, motor de turbina
BR112017023173A2 (pt) pré-forma de fibra, pá para um motor de turbina, roda de pás, e, motor de turbina
BR112015010844A2 (pt) preforma e pá de monobloco para turbomáquina
BR112017008832A2 (pt) pré-forma de fibra, pá de motor de turbina, roda de pás, e, motor de turbina
BR112015008854A2 (pt) método e sistema para transporte e armazenamento de pelo menos duas pás de turbinas eólicas das turbinas eólicas
BR102016013245A8 (pt) lâmina de rotor modular, seção de raiz de lâmina e método para fabricar uma seção de raiz de lâmina
BR112017023307A2 (pt) pré-forma, lâmina, roda da lâmina, e, turbomáquina
BR102016013246A8 (pt) pá de rotor modular, componente estrutural pré-formado contínuo e método para montar uma pá de rotor modular
BR112015010841A2 (pt) preforma e módulo de pá monobloco para um invólucro intermediário de turbomáquina
WO2015132523A3 (fr) Secteur de stator pour turbomachine et son procede de fabrication
BR112014016859A2 (pt) preforma fibrosa de uma pá de turbomáquina feita de material compósito com plataforma integrada, e seu processo de realização
BR102015018910A8 (pt) método de fabricação de uma pá de rotor de uma turbina eólica, pá de rotor de uma turbina eólica e método de fabricação de uma pá de rotor de uma turbina eólica
BR112015013197A2 (pt) método de fixação de um cume de borda traseira sobre uma pá de rotor de uma turbina eólica, pá de rotor, cume de borda traseira, e, turbina eólica
BR112013004860A2 (pt) método para restaurar o contorno de uma pá de compressor ou de turbina para uma turbina a gás
BR102016012071A8 (pt) Pá de turbina eólica e método para moldar uma seção de ponta de pá de turbina eólica
BR112017001494A2 (pt) molde, e, métodos para montar um molde para moldar uma pá de turbina eólica ou uma parte estrutural alongada da mesma e para moldar uma pá de turbina eólica ou uma parte estrutural alongada da mesma.
BR112017024102A2 (pt) formulação bioestimulante para melhorar o crescimento de plantas e usos da mesma
MX2015014048A (es) Pala de rotor de una turbina eolica.
BR112017005900A2 (pt) lâmina de rotor para turbina eólica
BR112018000845A2 (pt) lâmina de turbina eólica com locais de ancoragem
BR112015008897A2 (pt) método e sistema para transporte e armazenamento de pelo menos duas pás das turbinas de vento
GB2554986B (en) Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine
BR112017012436A2 (pt) turbomáquina
BR112014031903A2 (pt) método para ajustar um valor de ponto de regulagem, e, uso
DK201370122A (en) Two or three wind turbine blades as one unit

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 26/04/2016, OBSERVADAS AS CONDICOES LEGAIS.