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 (ja)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9768025

Family Applications (1)

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

Country Status (1)

Country Link
GB (1) GB1231581A (ja)

Cited By (6)

* 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
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 (9)

* 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
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

Similar Documents

Publication Publication Date Title
US8525363B2 (en) Horizontal-axis hydrokinetic water turbine system
US4387318A (en) Piezoelectric fluid-electric generator
US4078382A (en) Method and apparatus for deriving useful energy from sea waves
US7762776B2 (en) Vortex shedding cyclical propeller
US4516907A (en) Wind energy converter utilizing vortex augmentation
US20070217917A1 (en) Rotary fluid dynamic utility structure
Zhao et al. Study on variable pitch strategy in H-type wind turbine considering effect of small angle of attack
GB2451670A (en) A fluid driven rotor
GB1231581A (ja)
JPS55153870A (en) Vane body for vertical-shaft windmill
P’yankov et al. Mathematical modeling of flows in wind turbines with a vertical axis
WO1984005010A1 (en) Piezoelectric fluid-electric generator
GB2028929A (en) Turbines
TWM588736U (zh) 用於水平軸風力發電機葉片之輔助器
DE60011056D1 (en) Rotor
CN208602689U (zh) 一种空气螺旋桨
JPS6140464A (ja) 下掛水車
RU2825924C1 (ru) Лопасть для ортогональной турбины ветро- и гидроустановок
KR20090101798A (ko) 저저항 블레이드
Wang et al. A numerical study on the performance improvement for a vertical-axis wind turbine at low tip-speed-ratios
JP5805913B1 (ja) 風車翼及びそれを備えた風力発電装置
CN206280197U (zh) 一种用于风力发电机的风叶轮
Kushwaha et al. Performance analysis of vertical axis wind turbine with optimised pitch angle variation
Kentfield et al. An axial-flow wind-turbine with delta-wing blades
RU94045216A (ru) Ротор типа савониуса

Legal Events

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