GB1231581A - - Google Patents

Info

Publication number
GB1231581A
GB1231581A GB395467A GB1231581DA GB1231581A GB 1231581 A GB1231581 A GB 1231581A GB 395467 A GB395467 A GB 395467A GB 1231581D A GB1231581D A GB 1231581DA GB 1231581 A GB1231581 A GB 1231581A
Authority
GB
United Kingdom
Prior art keywords
blade
rotor
flow
concavity
windmill
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
Application number
GB395467A
Other languages
English (en)
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
Publication of GB1231581A publication Critical patent/GB1231581A/en
Expired 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
    • 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
    • F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
    • 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
    • F05B2260/75—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism not using auxiliary power sources, e.g. servos
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)
  • Wind Motors (AREA)
GB395467A 1967-01-26 1967-01-26 Expired GB1231581A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB395467 1967-01-26

Publications (1)

Publication Number Publication Date
GB1231581A true GB1231581A (enrdf_load_stackoverflow) 1971-05-12

Family

ID=9768025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB395467A Expired GB1231581A (enrdf_load_stackoverflow) 1967-01-26 1967-01-26

Country Status (1)

Country Link
GB (1) GB1231581A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031173A (en) * 1976-03-25 1977-06-21 Paul Rogers Efficiency and utilization of cooling towers
US4309146A (en) * 1980-03-12 1982-01-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Amplified wind turbine apparatus
US4433544A (en) 1982-05-19 1984-02-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wind and solar powered turbine
GB2237330B (en) * 1989-10-07 1994-08-24 John Nicoll Vannan Semi flexible vane and fluid machine incorporating a plurality of such vanes
GB2317927A (en) * 1996-10-04 1998-04-08 Braun Ag Impeller for a hair dryer or accessory
GB2453991A (en) * 2007-10-24 2009-04-29 Philip Douglas Lord Uni-directional turbine
CN109723613A (zh) * 2019-01-31 2019-05-07 大冶特殊钢股份有限公司 一种用于风电设备的大型不对称异形环件及制备方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031173A (en) * 1976-03-25 1977-06-21 Paul Rogers Efficiency and utilization of cooling towers
US4309146A (en) * 1980-03-12 1982-01-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Amplified wind turbine apparatus
US4433544A (en) 1982-05-19 1984-02-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wind and solar powered turbine
GB2237330B (en) * 1989-10-07 1994-08-24 John Nicoll Vannan Semi flexible vane and fluid machine incorporating a plurality of such vanes
GB2317927A (en) * 1996-10-04 1998-04-08 Braun Ag Impeller for a hair dryer or accessory
US6041514A (en) * 1996-10-04 2000-03-28 Braun Gmbh Impeller for a hair dryer
GB2317927B (en) * 1996-10-04 2000-08-09 Braun Ag Turbine driven pulsator for a hair dryer or hair dryer accessory
GB2453991A (en) * 2007-10-24 2009-04-29 Philip Douglas Lord Uni-directional turbine
CN109723613A (zh) * 2019-01-31 2019-05-07 大冶特殊钢股份有限公司 一种用于风电设备的大型不对称异形环件及制备方法
CN109723613B (zh) * 2019-01-31 2024-01-16 大冶特殊钢有限公司 一种用于风电设备的大型不对称异形环件及制备方法

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees