BRPI0400041B1 - sistema de passo variável para pás de aerogerador. - Google Patents

sistema de passo variável para pás de aerogerador.

Info

Publication number
BRPI0400041B1
BRPI0400041B1 BRPI0400041-2A BRPI0400041A BRPI0400041B1 BR PI0400041 B1 BRPI0400041 B1 BR PI0400041B1 BR PI0400041 A BRPI0400041 A BR PI0400041A BR PI0400041 B1 BRPI0400041 B1 BR PI0400041B1
Authority
BR
Brazil
Prior art keywords
wind turbine
turbine blades
variable pitch
pitch system
variable
Prior art date
Application number
BRPI0400041-2A
Other languages
English (en)
Inventor
Pereira Luiz Cezar Sampaio
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 filed Critical
Priority to BRPI0400041-2A priority Critical patent/BRPI0400041B1/pt
Priority to PCT/BR2005/000003 priority patent/WO2005068833A2/en
Publication of BRPI0400041A publication Critical patent/BRPI0400041A/pt
Publication of BRPI0400041B1 publication Critical patent/BRPI0400041B1/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/23—Geometry three-dimensional prismatic
    • F05B2250/232—Geometry three-dimensional prismatic conical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/77—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by centrifugal forces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/78—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by aerodynamic forces
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
BRPI0400041-2A 2004-01-14 2004-01-14 sistema de passo variável para pás de aerogerador. BRPI0400041B1 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0400041-2A BRPI0400041B1 (pt) 2004-01-14 2004-01-14 sistema de passo variável para pás de aerogerador.
PCT/BR2005/000003 WO2005068833A2 (en) 2004-01-14 2005-01-12 Wind turbine with variable pitch blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0400041-2A BRPI0400041B1 (pt) 2004-01-14 2004-01-14 sistema de passo variável para pás de aerogerador.

Publications (2)

Publication Number Publication Date
BRPI0400041A BRPI0400041A (pt) 2005-09-13
BRPI0400041B1 true BRPI0400041B1 (pt) 2010-05-18

Family

ID=34754166

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0400041-2A BRPI0400041B1 (pt) 2004-01-14 2004-01-14 sistema de passo variável para pás de aerogerador.

Country Status (2)

Country Link
BR (1) BRPI0400041B1 (pt)
WO (1) WO2005068833A2 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876423B1 (fr) * 2004-10-08 2009-01-09 Bourriaud Michel Edouard Raymond Eolienne a voiles
DK176552B1 (da) 2005-12-29 2008-08-04 Lm Glasfiber As Variabelt speed nav
GB2436599A (en) * 2006-03-30 2007-10-03 Boost Energy Systems Ltd Wind turbine blade furling system
US7365448B2 (en) 2006-08-17 2008-04-29 X Blade Systems Lp Wind driven power generator
US7911076B2 (en) 2006-08-17 2011-03-22 Broadstar Developments, Lp Wind driven power generator with moveable cam
WO2008064678A2 (en) * 2006-11-27 2008-06-05 Lm Glasfiber A/S Pitch of blades on a wind power plant
FR2926335A1 (fr) * 2008-01-16 2009-07-17 Pascal Gauthiez Micro-eolienne a plumes, ultra-legere et ultra-sensible, fournissant une puissance electrique de quelques watts
FR2926609B1 (fr) * 2008-01-18 2010-05-07 Pascal Gauthiez Nouveau type de rotor a voiles automatiquement enroulables pour aerogenerateur a axe horizontal de moyenne puissance
IT1394477B1 (it) * 2009-05-26 2012-07-05 Tozzi Nord S R L Sistema di sicurezza per turbine eoliche e turbina eolica dotata di tale sistema
DE102013008218A1 (de) * 2013-05-14 2014-11-20 Erhard Frase Automatische mechanische Rotorblattwinkelverstellung mit Überdrehzahlschutz für Kleinwindanlagen.
JP2016044632A (ja) * 2014-08-26 2016-04-04 十郎 佐原 風力発電機の回転速度制御装置
CN110030156A (zh) * 2017-09-25 2019-07-19 青岛兰道尔空气动力工程有限公司 具有配重装置的自动变桨系统
CN110374801B (zh) * 2019-07-02 2024-04-05 中国大唐集团新能源科学技术研究院有限公司 叶根独立变桨装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516576A (en) * 1947-01-04 1950-07-25 Charles R Jacobs Self-governing wind-driven propeller
DE906440C (de) * 1948-10-02 1954-03-15 Richard Bauer Schnell laufender Windmotor
US4310284A (en) * 1979-08-27 1982-01-12 Randolph Arthur J Automatically controlled wind propeller and tower shadow eliminator
US4439108A (en) * 1982-06-08 1984-03-27 Richard Will Windmill having centrifically feathered rotors to control rotor speed
GB9003591D0 (en) * 1990-02-16 1990-04-11 Proven Eng Prod Single windmill blade
US5584655A (en) * 1994-12-21 1996-12-17 The Wind Turbine Company Rotor device and control for wind turbine

Also Published As

Publication number Publication date
BRPI0400041A (pt) 2005-09-13
WO2005068833B1 (en) 2005-10-27
WO2005068833A2 (en) 2005-07-28
WO2005068833A3 (en) 2005-08-25

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B65X Notification of requirement for priority examination of patent application
B65Y Grant of priority examination of the patent application (request complies with dec. 132/06 of 20061117)
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/01/2004, OBSERVADAS AS CONDICOES LEGAIS.

B15K Others concerning applications: alteration of classification

Ipc: F03D 7/02 (2006.01), F03D 1/06 (2006.01)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 16A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2549 DE 12-11-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.