GB0031025D0 - Pitch adjustment mechanism - Google Patents

Pitch adjustment mechanism

Info

Publication number
GB0031025D0
GB0031025D0 GBGB0031025.0A GB0031025A GB0031025D0 GB 0031025 D0 GB0031025 D0 GB 0031025D0 GB 0031025 A GB0031025 A GB 0031025A GB 0031025 D0 GB0031025 D0 GB 0031025D0
Authority
GB
United Kingdom
Prior art keywords
adjustment mechanism
pitch adjustment
pitch
adjustment
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.)
Ceased
Application number
GBGB0031025.0A
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.)
PRO DESIGN SOLUTIONS Ltd
Original Assignee
PRO DESIGN SOLUTIONS 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
Application filed by PRO DESIGN SOLUTIONS Ltd filed Critical PRO DESIGN SOLUTIONS Ltd
Priority to GBGB0031025.0A priority Critical patent/GB0031025D0/en
Publication of GB0031025D0 publication Critical patent/GB0031025D0/en
Priority to GB0130143A priority patent/GB2371837B/en
Priority to GB0409850A priority patent/GB2397627A/en
Ceased 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
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • 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
    • F05B2260/40—Transmission of power
    • F05B2260/406—Transmission of power through hydraulic systems
    • 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
    • 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
    • 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
GBGB0031025.0A 2000-12-19 2000-12-19 Pitch adjustment mechanism Ceased GB0031025D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0031025.0A GB0031025D0 (en) 2000-12-19 2000-12-19 Pitch adjustment mechanism
GB0130143A GB2371837B (en) 2000-12-19 2001-12-18 Pitch adjustment mechanism
GB0409850A GB2397627A (en) 2000-12-19 2001-12-18 Pitch adjustment mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0031025.0A GB0031025D0 (en) 2000-12-19 2000-12-19 Pitch adjustment mechanism

Publications (1)

Publication Number Publication Date
GB0031025D0 true GB0031025D0 (en) 2001-01-31

Family

ID=9905431

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0031025.0A Ceased GB0031025D0 (en) 2000-12-19 2000-12-19 Pitch adjustment mechanism
GB0130143A Expired - Fee Related GB2371837B (en) 2000-12-19 2001-12-18 Pitch adjustment mechanism

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0130143A Expired - Fee Related GB2371837B (en) 2000-12-19 2001-12-18 Pitch adjustment mechanism

Country Status (1)

Country Link
GB (2) GB0031025D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155355A (en) * 2010-02-12 2011-08-17 大银微系统股份有限公司 Vane pitch automatic adjusting device for wind driven generator
CN102734067B (en) * 2012-07-06 2014-02-12 沈阳华创风能有限公司 Wind thrust pitch-variable mechanism
CN108223273A (en) * 2018-01-30 2018-06-29 南京航空航天大学 A kind of adaptive elastic vane change device of Blades For Horizontal Axis Wind

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374531A1 (en) * 1976-12-20 1978-07-13 Thierry Calige Wind driven power generator with aerodynamic blades - has springs countering centrifugal force to give automatic adjustment of pitch
FR2400624A1 (en) * 1977-08-19 1979-03-16 Charpentier Pierre Wind driven generator with variable pitch blades - has sliding weight in form of nut engaging helical grooves on blade hub
GB2022534B (en) * 1978-04-20 1982-06-30 Dowty Rotol Ltd Bladed rotors
DE161559T1 (en) * 1984-05-15 1986-04-10 Aktieselskabet Kongsberg Vaepenfabrikk, Kongsberg INSERTION AND ANGLE LEVEL CONTROL DEVICE FOR COMPRESSOR INLET VANE.

Also Published As

Publication number Publication date
GB2371837B (en) 2004-06-30
GB0130143D0 (en) 2002-02-06
GB2371837A (en) 2002-08-07

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)