NL8000311A - Blad voor een windmotor. - Google Patents

Blad voor een windmotor. Download PDF

Info

Publication number
NL8000311A
NL8000311A NL8000311A NL8000311A NL8000311A NL 8000311 A NL8000311 A NL 8000311A NL 8000311 A NL8000311 A NL 8000311A NL 8000311 A NL8000311 A NL 8000311A NL 8000311 A NL8000311 A NL 8000311A
Authority
NL
Netherlands
Prior art keywords
blade
stub
reinforcing element
load
bearing structure
Prior art date
Application number
NL8000311A
Other languages
English (en)
Dutch (nl)
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Publication of NL8000311A publication Critical patent/NL8000311A/nl

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
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NL8000311A 1979-02-15 1980-01-17 Blad voor een windmotor. NL8000311A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6732779 1979-02-15
IT7967327A IT7967327A0 (it) 1979-02-15 1979-02-15 Pala per motori eolici

Publications (1)

Publication Number Publication Date
NL8000311A true NL8000311A (nl) 1980-08-19

Family

ID=11301476

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8000311A NL8000311A (nl) 1979-02-15 1980-01-17 Blad voor een windmotor.

Country Status (8)

Country Link
US (1) US4305699A (US07368563-20080506-C00056.png)
JP (1) JPS55131584A (US07368563-20080506-C00056.png)
DE (1) DE3002064C2 (US07368563-20080506-C00056.png)
FR (1) FR2449207A1 (US07368563-20080506-C00056.png)
GB (1) GB2042093B (US07368563-20080506-C00056.png)
IT (1) IT7967327A0 (US07368563-20080506-C00056.png)
NL (1) NL8000311A (US07368563-20080506-C00056.png)
SE (1) SE8000691L (US07368563-20080506-C00056.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521231B1 (fr) * 1982-02-05 1988-12-02 Hudson Products Corp Ventilateurs a flux axial et leurs pales
GB9102665D0 (en) * 1991-02-07 1991-03-27 Lawson Tancred Sir H The manufacture of turbine blades for wind turbines
US5129787A (en) * 1991-02-13 1992-07-14 United Technologies Corporation Lightweight propulsor blade with internal spars and rigid base members
US5219454A (en) * 1992-04-22 1993-06-15 Denis Class Method and apparatus for balancing wind turbine rotors
JPH07103190A (ja) * 1993-10-06 1995-04-18 Takao Kobayashi 軽量・低騒音型のターボファン用羽根車の構造。
DE4423115A1 (de) * 1994-07-01 1996-01-04 Wolf Hirth Gmbh Propellerflügel aus Kunststoffmaterial und Verfahren zu seiner Herstellung
US5660527A (en) * 1995-10-05 1997-08-26 The Wind Turbine Company Wind turbine rotor blade root end
DK175718B1 (da) * 2002-04-15 2005-02-07 Ssp Technology As Möllevinge
FR2855811B1 (fr) * 2003-06-05 2005-08-05 Eurocopter France Pale de rotor a pas variable, pour rotors carenes, notamment d'helicopteres
WO2007011862A2 (en) * 2005-07-15 2007-01-25 Southwest Windpower, Inc. Wind turbine and method of manufacture
GB0614114D0 (en) * 2006-07-15 2006-08-23 Rolls Royce Plc An actuator
CN101646865B (zh) * 2006-12-15 2013-01-09 布拉德纳公司 加强的空气动力学型材
ES2496167T3 (es) * 2007-01-16 2014-09-18 Bladena Aps Pala reforzada para aerogenerador
CN101589227B (zh) * 2007-01-25 2014-11-26 布拉德纳公司 用于风力涡轮机的加强叶片
WO2008092451A2 (en) * 2007-01-29 2008-08-07 Danmarks Tekniske Universitet Wind turbine blade
CN101646866B (zh) * 2007-02-27 2012-07-25 维斯塔斯风力系统有限公司 风轮机叶片的加强结构、风轮机叶片及其组装方法和应用
WO2009155921A1 (en) * 2008-06-23 2009-12-30 Danmarks Tekniske Universitet A wind turbine blade with angled girders
WO2009155920A1 (en) 2008-06-24 2009-12-30 Danmarks Tekniske Universitet A reinforced wind turbine blade
WO2010000263A2 (en) * 2008-07-01 2010-01-07 Danmarks Tekniske Universitet A reinforced blade for a wind turbine
GB2467745A (en) * 2009-02-11 2010-08-18 Vestas Wind Sys As Wind turbine blade with tension element(s) to increase edgewise stiffness
EP2330294B1 (en) 2009-12-02 2013-01-16 Bladena ApS Reinforced airfoil shaped body
FR2984848B1 (fr) * 2011-12-23 2016-01-15 Ratier Figeac Soc Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle pale
US9682773B2 (en) * 2013-06-25 2017-06-20 The Boeing Company Systems and methods for blade attachment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB226301A (en) * 1923-10-02 1924-12-24 Henry Leitner Improvements in airscrews
CH217668A (de) * 1939-06-27 1941-10-31 United Aircraft Corp Zusammengesetzter Propellerflügel, insbesondere für Luftpropeller.
US2400649A (en) * 1942-02-27 1946-05-21 Autogiro Co Of America Molded airfoil, especially for sustaining rotors
US2450455A (en) * 1944-09-13 1948-10-05 Carl J Snyder Hollow propeller blade
FR929502A (fr) * 1946-06-20 1947-12-30 United Aircraft Corp Perfectionnements aux pales d'hélices
US2591757A (en) * 1950-04-11 1952-04-08 Raymond A Young Helicopter rotor blade
US2648388A (en) * 1951-01-26 1953-08-11 Gen Motors Corp Aircraft propeller
DE955113C (de) * 1952-12-14 1956-12-27 United Aircraft Corp Rotorfluegelholm mit stranggepresstem rohrfoermigem Teil
US2916808A (en) * 1955-03-28 1959-12-15 Gen Electric Method of making a blade for turbomachines
US3647317A (en) * 1970-03-19 1972-03-07 Fluor Prod Co Inc Fiberglass fan assembly

Also Published As

Publication number Publication date
IT7967327A0 (it) 1979-02-15
GB2042093B (en) 1982-11-03
FR2449207A1 (fr) 1980-09-12
DE3002064C2 (de) 1983-02-24
US4305699A (en) 1981-12-15
FR2449207B1 (US07368563-20080506-C00056.png) 1982-02-19
JPS55131584A (en) 1980-10-13
DE3002064A1 (de) 1980-08-21
SE8000691L (sv) 1980-08-16
GB2042093A (en) 1980-09-17

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed