ZA200800898B - A blade pitch control mechanism - Google Patents

A blade pitch control mechanism

Info

Publication number
ZA200800898B
ZA200800898B ZA200800898A ZA200800898A ZA200800898B ZA 200800898 B ZA200800898 B ZA 200800898B ZA 200800898 A ZA200800898 A ZA 200800898A ZA 200800898 A ZA200800898 A ZA 200800898A ZA 200800898 B ZA200800898 B ZA 200800898B
Authority
ZA
South Africa
Prior art keywords
control mechanism
pitch control
blade pitch
blade
pitch
Prior art date
Application number
ZA200800898A
Other languages
English (en)
Inventor
Denniss Tom
Obeyesekera Bandu Ranjith Kumara
Finnigan Timothy
Alcorn Raymond
Original Assignee
Oceanlinx Ltd
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
Priority claimed from AU2005903772A external-priority patent/AU2005903772A0/en
Application filed by Oceanlinx Ltd filed Critical Oceanlinx Ltd
Publication of ZA200800898B publication Critical patent/ZA200800898B/xx

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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/141—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector
    • F03B13/142—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector which creates an oscillating water column
    • 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
    • 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
    • F05B2210/00—Working fluid
    • F05B2210/40—Flow geometry or direction
    • F05B2210/404—Flow geometry or direction bidirectional, i.e. in opposite, alternating directions
    • 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
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)
ZA200800898A 2005-07-15 2006-07-14 A blade pitch control mechanism ZA200800898B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2005903772A AU2005903772A0 (en) 2005-07-15 A blade pitch control mechanism

Publications (1)

Publication Number Publication Date
ZA200800898B true ZA200800898B (en) 2009-04-29

Family

ID=37668336

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200800898A ZA200800898B (en) 2005-07-15 2006-07-14 A blade pitch control mechanism

Country Status (5)

Country Link
US (1) US20100290908A1 (xx)
EP (1) EP1904689A1 (xx)
JP (1) JP2009500562A (xx)
WO (1) WO2007009163A1 (xx)
ZA (1) ZA200800898B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8698331B2 (en) 2008-01-07 2014-04-15 Richard W. Carter Bidirectional axial flow turbine with self-pivoting blades for use in wave energy converter
DE102010019769A1 (de) * 2010-05-07 2011-11-10 Schottel Gmbh Verstelleinrichtung für eine Turbine
DE102011012565A1 (de) * 2010-10-02 2012-04-26 Mulundu Sichone Ringpropeller mit Schaufelverstellung
NZ609330A (en) 2010-10-22 2015-04-24 Oceanlinx Ltd Turbine rotor assembly
ITME20120012A1 (it) 2012-10-05 2014-04-06 Spada Francesco La Gruppo rotore turbina
PT2949920T (pt) 2014-05-30 2017-08-25 Sener Ing & Sist Turbina para a exploração de energia das ondas
FI11938U1 (fi) * 2017-11-02 2018-01-22 Finn Escone Oy Laite aaltoenergian talteen ottamiseksi
ES2798948T3 (es) 2017-11-13 2020-12-14 Sener Ing & Sist Turbina de aire para extraer energía de los dispositivos de columna de agua oscilante
US11548617B2 (en) * 2019-06-12 2023-01-10 Textron Innovations Inc. Pitch-change apparatus and method of pitching rotor blades
CN115875174A (zh) * 2021-09-27 2023-03-31 广东金风科技有限公司 一种变桨式海浪发电装置和变桨式海浪发电方法
CN113915053B (zh) 2021-10-13 2023-09-19 杭州江河水电科技股份有限公司 一种潮流能发电装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286347A (en) * 1974-07-22 1981-09-01 Tideland Signal Corporation Double acting turbine for converting wave energy of water to electrical power
US4495423A (en) * 1981-09-10 1985-01-22 Felt Products Mfg. Co. Wind energy conversion system
DE3233078C1 (de) * 1982-09-06 1984-03-29 Balcke-Dürr AG, 4030 Ratingen Stroemungsmaschine
US5005357A (en) * 1990-07-09 1991-04-09 Fox Mansel F Oscillating force turbine
GB9408476D0 (en) * 1994-04-28 1994-06-22 Rolls Royce Plc Blade pitch change mechanism
JPH09287546A (ja) * 1996-04-24 1997-11-04 Unyusho Kowan Gijutsu Kenkyusho 波力発電用タービン
AUPO361396A0 (en) * 1996-11-14 1996-12-12 Energetech Australia Pty Limited Parabolic wave focuser & double ended aerofoil turbine
GB9904107D0 (en) * 1999-02-24 1999-04-14 I T Power Limited Water current turbine with pitch control
DE10226713B4 (de) * 2002-06-14 2004-07-08 Krieger, Klaus Windkraftanlage
US7503750B1 (en) * 2005-02-07 2009-03-17 Rotating Composite Technologies, Llc Variable pitch rotor blade with double flexible retention elements

Also Published As

Publication number Publication date
JP2009500562A (ja) 2009-01-08
WO2007009163A1 (en) 2007-01-25
US20100290908A1 (en) 2010-11-18
EP1904689A1 (en) 2008-04-02

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