GB2331557B - Airfoils for wind energy conversion systems - Google Patents

Airfoils for wind energy conversion systems

Info

Publication number
GB2331557B
GB2331557B GB9900327A GB9900327A GB2331557B GB 2331557 B GB2331557 B GB 2331557B GB 9900327 A GB9900327 A GB 9900327A GB 9900327 A GB9900327 A GB 9900327A GB 2331557 B GB2331557 B GB 2331557B
Authority
GB
United Kingdom
Prior art keywords
airfoils
energy conversion
wind energy
conversion systems
systems
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9900327A
Other versions
GB2331557A (en
GB9900327D0 (en
Inventor
Francis J Mccabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 US08/507,129 external-priority patent/US5599172A/en
Application filed by Individual filed Critical Individual
Publication of GB9900327D0 publication Critical patent/GB9900327D0/en
Publication of GB2331557A publication Critical patent/GB2331557A/en
Application granted granted Critical
Publication of GB2331557B publication Critical patent/GB2331557B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • 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
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" type
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/301—Cross-section characteristics
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

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)
  • Power Engineering (AREA)
  • Wind Motors (AREA)
GB9900327A 1995-07-31 1996-07-18 Airfoils for wind energy conversion systems Expired - Fee Related GB2331557B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/507,129 US5599172A (en) 1995-07-31 1995-07-31 Wind energy conversion system
GB9615133A GB2304382B (en) 1995-07-31 1996-07-18 Wind energy conversion system

Publications (3)

Publication Number Publication Date
GB9900327D0 GB9900327D0 (en) 1999-02-24
GB2331557A GB2331557A (en) 1999-05-26
GB2331557B true GB2331557B (en) 1999-10-20

Family

ID=26309719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9900327A Expired - Fee Related GB2331557B (en) 1995-07-31 1996-07-18 Airfoils for wind energy conversion systems

Country Status (1)

Country Link
GB (1) GB2331557B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807663A (en) * 1972-09-15 1974-04-30 Ball Brothers Res Corp Air foil structure
US4408958A (en) * 1980-12-23 1983-10-11 The Bendix Corporation Wind turbine blade
GB2175963A (en) * 1984-08-16 1986-12-10 Sarlin Ab Oy E Impeller for a pump, especially a vortex pump
US4655122A (en) * 1982-09-30 1987-04-07 Mccabe Francis J Aerodynamic shape with improved lift characteristics
EP0295353A1 (en) * 1987-06-13 1988-12-21 Khammas, Achmed Adolf Wolfgang Rotorblade
US5044878A (en) * 1987-06-10 1991-09-03 Alfred Wilhelm Wind power engine
WO1992001866A1 (en) * 1990-07-16 1992-02-06 Ernster Melvin J Fluid-augmented free-vortex power generating apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807663A (en) * 1972-09-15 1974-04-30 Ball Brothers Res Corp Air foil structure
US4408958A (en) * 1980-12-23 1983-10-11 The Bendix Corporation Wind turbine blade
US4655122A (en) * 1982-09-30 1987-04-07 Mccabe Francis J Aerodynamic shape with improved lift characteristics
GB2175963A (en) * 1984-08-16 1986-12-10 Sarlin Ab Oy E Impeller for a pump, especially a vortex pump
US5044878A (en) * 1987-06-10 1991-09-03 Alfred Wilhelm Wind power engine
EP0295353A1 (en) * 1987-06-13 1988-12-21 Khammas, Achmed Adolf Wolfgang Rotorblade
WO1992001866A1 (en) * 1990-07-16 1992-02-06 Ernster Melvin J Fluid-augmented free-vortex power generating apparatus

Also Published As

Publication number Publication date
GB2331557A (en) 1999-05-26
GB9900327D0 (en) 1999-02-24

Similar Documents

Publication Publication Date Title
GB2304382B (en) Wind energy conversion system
GB2299662B (en) Solar energy conversion system
AUPN201395A0 (en) Solar energy collector system
AU3540795A (en) Ocean thermal energy conversion (otec) system
AUPO429396A0 (en) Solar energy collector system
AU1399095A (en) Ocean thermal energy conversion (otec) system
AU4422697A (en) Solar energy collector
AU2064095A (en) Solar energy generator
GB9512009D0 (en) Solar energy system
EP0830508A4 (en) Ocean thermal energy conversion (otec) system
GB2330256B (en) A wind energy system
AU7635498A (en) Improved solar energy collector system
AU8119994A (en) Wind power generation system
AU2379097A (en) Wind-powered energy producing system
GB2331557B (en) Airfoils for wind energy conversion systems
AU2380795A (en) Ocean thermal energy conversion (otec) system
AU5096296A (en) Solar energy collector system
GB9504721D0 (en) Energy conversion systems
AU3233195A (en) Ocean thermal energy conversion (otec) system
AUPN410895A0 (en) Solar energy converter
IL119442A0 (en) Solar collector system
PL311376A1 (en) Solar collector
AU4390097A (en) Solar energy collector
AU9765398A (en) Solar windmill
GB9512492D0 (en) Solar energy conversion apparatus

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010718