DE3110263C2 - Blatteinstelleinrichtung für eine mit mehreren Blättern versehene Windturbine - Google Patents

Blatteinstelleinrichtung für eine mit mehreren Blättern versehene Windturbine

Info

Publication number
DE3110263C2
DE3110263C2 DE3110263A DE3110263A DE3110263C2 DE 3110263 C2 DE3110263 C2 DE 3110263C2 DE 3110263 A DE3110263 A DE 3110263A DE 3110263 A DE3110263 A DE 3110263A DE 3110263 C2 DE3110263 C2 DE 3110263C2
Authority
DE
Germany
Prior art keywords
blade
hydraulic oil
supply
servo
actuators
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
DE3110263A
Other languages
German (de)
English (en)
Other versions
DE3110263A1 (de
Inventor
Philip Earl 06117 West Hartford Conn. Barnes
Millard Girard 06109 Wethersfield Conn. Mayo
Robert 06117 West Hartford Conn. Sherman
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.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE3110263A1 publication Critical patent/DE3110263A1/de
Application granted granted Critical
Publication of DE3110263C2 publication Critical patent/DE3110263C2/de
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
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • 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
    • 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
    • F05B2260/76—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
    • F05B2260/79—Bearing, support or actuation arrangements therefor
    • 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
    • F05B2270/00—Control
    • F05B2270/10—Purpose of the control system
    • F05B2270/107—Purpose of the control system to cope with emergencies
    • F05B2270/1074—Purpose of the control system to cope with emergencies by using back-up controls
    • 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
    • F05B2270/00—Control
    • F05B2270/50—Control logic embodiment by
    • F05B2270/506—Control logic embodiment by hydraulic means, e.g. hydraulic valves within a hydraulic circuit
    • 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
    • F05B2270/00—Control
    • F05B2270/60—Control system actuates through
    • F05B2270/604—Control system actuates through hydraulic actuators
    • 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)
DE3110263A 1980-03-17 1981-03-17 Blatteinstelleinrichtung für eine mit mehreren Blättern versehene Windturbine Expired DE3110263C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/130,658 US4348155A (en) 1980-03-17 1980-03-17 Wind turbine blade pitch control system

Publications (2)

Publication Number Publication Date
DE3110263A1 DE3110263A1 (de) 1982-03-25
DE3110263C2 true DE3110263C2 (de) 1987-01-22

Family

ID=22445725

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3110263A Expired DE3110263C2 (de) 1980-03-17 1981-03-17 Blatteinstelleinrichtung für eine mit mehreren Blättern versehene Windturbine

Country Status (20)

Country Link
US (1) US4348155A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57373A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR850000936B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AR (1) AR230322A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU540223B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8101492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1146078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3110263C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK105281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8204073A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI73790C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2478218A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2071781B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL62274A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN153214B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1137431B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL8101232A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO157793C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE446653B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA811359B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19541202A1 (de) * 1995-11-04 1997-05-07 Muehlbauer Luftfahrttechn Gmbh Segelstellungs-Propelleranlage für Motorsegler und einmotorige Flugzeuge
WO2001027471A1 (de) 1999-10-11 2001-04-19 Aerodyn Engineering Gmbh Einzelblattverstellung für windenergieanlagen
DE102004017323A1 (de) * 2004-04-06 2005-11-03 Repower Systems Ag Windenergieanlage
DE102006032388A1 (de) * 2006-07-13 2008-01-17 Nordex Energy Gmbh Windenergieanlage mit einem Hydrauliksystem
EP2218908A2 (de) 2009-02-12 2010-08-18 Nordex Energy GmbH Vorrichtung zur Arretierung eines Rotorblatts einer Windenergieanlage
DE202015001902U1 (de) * 2015-03-11 2016-06-14 Liebherr-Components Biberach Gmbh Verstelleinheit zur Pitchverstellung eines Rotorblatts und Windkraftanlage mit einer solchen Verstelleinheit

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352634A (en) * 1980-03-17 1982-10-05 United Technologies Corporation Wind turbine blade pitch control system
US4379678A (en) * 1980-10-07 1983-04-12 Textron, Inc. Individual blade control
US4462753A (en) * 1982-06-22 1984-07-31 United Technologies Corporation Blade feathering system for wind turbines
DE3227700A1 (de) * 1982-07-24 1984-01-26 BÖWE Maschinenfabrik GmbH, 8900 Augsburg Windenergiekonverter
CA1234543A (en) * 1982-11-08 1988-03-29 Kermit I. Harner Blade pitch angle control for large wind turbines
JPS59134385A (ja) * 1983-01-24 1984-08-02 Matsushita Seiko Co Ltd 風力原動機の安全装置
US4534704A (en) * 1983-02-08 1985-08-13 The Boeing Company Helicopter rotor control system with integrated hub
US4815936A (en) * 1988-07-05 1989-03-28 United Technologies Corporation Wind turbine shutdown system
DE19731918B4 (de) * 1997-07-25 2005-12-22 Wobben, Aloys, Dipl.-Ing. Windenergieanlage
ES2181572B1 (es) * 2001-01-31 2003-12-01 Fundacion Fatronik Dispositivo en rotores para el control independiente de la variacion de paso de cada pala.
DE10140793A1 (de) * 2001-08-20 2003-03-06 Gen Electric Einrichtung zum Verstellen des Rotorblattes eines Rotors einer Windkraftanlage
DE10162942A1 (de) * 2001-12-20 2003-07-03 Gen Electric Verfahren zum Betreiben einer Windkraftanlage und Windkraftanlage
ES2280770T3 (es) * 2003-09-03 2007-09-16 General Electric Company Sistema de control redundante de paso de pala para turbina de viento.
US7121795B2 (en) * 2004-06-30 2006-10-17 General Electric Company Method and apparatus for reducing rotor blade deflections, loads, and/or peak rotational speed
DE102004054608B4 (de) * 2004-09-21 2006-06-29 Repower Systems Ag Verfahren zur Regelung einer Windenergieanlage und Windenergieanlage mit einem Rotor
EP1647708A1 (en) * 2004-10-14 2006-04-19 General Electric Company Pitch drive system for a wind turbine
AU2004326158B2 (en) * 2004-12-30 2009-10-08 Vestas Wind Systems A/S Wind turbine comprising a multiplied redundancy control system and method of controlling a wind turbine
DK1886016T3 (en) * 2005-05-17 2017-06-19 Vestas Wind Sys As Pitch-controlled wind turbine blade with turbulence generating means, a wind turbine and its use
ES2279725B1 (es) * 2006-02-09 2008-07-16 Hydra-Power, S.L. Dispositivo para el control de las palas de un aerogenerador.
ES2414093T3 (es) * 2006-03-16 2013-07-18 Vestas Wind Systems A/S Un procedimiento y un sistema de control para la reducción de las cargas de fatiga en los componentes de una turbina eólica sometida a una carga asimétrica del plano de rotor
US7602075B2 (en) * 2006-07-06 2009-10-13 Acciona Windpower, S.A. Systems, methods and apparatuses for a wind turbine controller
DE102007011990B4 (de) * 2007-03-09 2019-01-10 Tlt-Turbo Gmbh Vorrichtung zum hydraulischen Verstellen der Laufschaufeln eines Laufrades eines Axialventilators
CN101720387B (zh) * 2007-03-30 2014-01-08 维斯塔斯风力系统有限公司 具有被布置为减小其部件上的缩短寿命的负荷的桨距控制的风力涡轮机
US9039372B2 (en) * 2007-04-30 2015-05-26 Vestas Wind Systems A/S Wind turbine blade
EP2009279B1 (en) * 2007-06-28 2015-09-16 Siemens Aktiengesellschaft Method for controlling of at least one element of a first component of a wind turbine, control device and use of the control device
US8246302B2 (en) * 2007-09-06 2012-08-21 Hamilton Sundstrand Corporation Teeter-restraint device for wind turbines
CA2706068A1 (en) 2007-11-01 2009-05-07 Windurance Llc System and method for controlling a turbine blade
US8038094B2 (en) * 2008-03-31 2011-10-18 Honda Motor Co., Ltd. Hydraulic system for aircraft
CN101720389B (zh) * 2008-06-10 2012-10-03 三菱重工业株式会社 叶片螺距角控制装置以及风力发电装置
NO328590B1 (no) * 2008-07-03 2010-03-29 Hydra Tidal Energy Technology Innretning for regulering av turbinbladstigning
US8096761B2 (en) * 2008-10-16 2012-01-17 General Electric Company Blade pitch management method and system
JP5330945B2 (ja) * 2008-10-29 2013-10-30 三菱重工業株式会社 油圧システム及びこれを備えた風力発電装置
GB0821239D0 (en) 2008-11-21 2008-12-31 Rolls Royce Plc A machine such as a gas turbine
JP5438979B2 (ja) * 2009-01-22 2014-03-12 三菱重工業株式会社 シリンダ駆動装置
KR101204551B1 (ko) * 2009-04-10 2012-11-23 미츠비시 쥬고교 가부시키가이샤 풍력 발전 장치의 피치 구동 장치 및 풍력 발전 장치
ATE544947T1 (de) * 2009-07-10 2012-02-15 Vestas Wind Sys As Hydraulikstation und verfahren zur druckregelung im hydrauliksystem einer windturbine
CN101624969B (zh) * 2009-08-04 2011-08-10 清华大学 一种用于风力发电变桨的冗余控制系统及方法
US8770934B2 (en) * 2009-12-16 2014-07-08 Hamilton Sundstrand Corporation Teeter mechanism for a multiple-bladed wind turbine
EP2339174A1 (en) * 2009-12-22 2011-06-29 Siemens Aktiengesellschaft System for triggering an emergency system of wind turbine
GB201007564D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Back-up featherer
GB201007567D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc BAck-up featherer
GB201007565D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
GB201007569D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
EP2444316B1 (de) * 2010-10-25 2016-02-17 MT-Propeller Entwicklung GmbH Hydraulischer Verstellpropeller
EP2638281B1 (en) 2010-11-10 2021-01-13 General Electric Company Method and system for operating wind turbine during fault
US9068556B2 (en) 2010-11-26 2015-06-30 Vestas Wind Systems A/S Pilot circuitry for controlling the emergency feathering of a wind turbine
EP2458203B1 (en) * 2010-11-26 2015-04-22 Vestas Wind Systems A/S A wind turbine having a hydraulic blade pitch system
US9121385B2 (en) 2010-11-26 2015-09-01 Vestas Wind Systems A/S Wind turbine and a method for pitching a blade of a wind turbine
CN102536660B (zh) 2010-11-26 2014-10-29 维斯塔斯风力系统有限公司 具有液压叶片变桨系统的风轮机
US8922039B2 (en) 2011-01-24 2014-12-30 Vestas Wind Systems A/S Wind turbine and a method for powering one or more hydraulic pitch actuators
EP2546517B1 (en) * 2011-07-13 2016-03-30 ALSTOM Renewable Technologies Wind turbine rotor
FR3014153B1 (fr) * 2013-12-02 2015-12-18 Snecma Dispositif pour la commande hydraulique de verins
EP3362683B1 (en) * 2015-10-14 2020-04-22 Vestas Wind Systems A/S Method for controlling hydraulic pitch force system
US10655602B2 (en) 2015-10-14 2020-05-19 Vestas Wind Systems A/S Pitch control system for pitching wind turbine blade
DE102016013796A1 (de) * 2016-11-21 2018-05-24 Senvion Gmbh Windenergieanlage mit Bremseinrichtung sowie Verfahren zum Betreiben derselben
IT201900010929A1 (it) 2019-07-04 2021-01-04 Ge Avio Srl Gruppo elica ed unita' di controllo di passo
CN110748455B (zh) * 2019-11-29 2024-01-19 中国华能集团清洁能源技术研究院有限公司 一种控制风电变桨的冗余顺桨系统及方法
FR3120651B1 (fr) * 2021-03-09 2023-05-12 Safran Aircraft Engines Dispositif de calage de pas de pales pour turbomachine et turbomachine le comportant
EP4392665A1 (en) * 2021-08-23 2024-07-03 Vestas Wind Systems A/S Adaptive pitch reference rate for controlling wind turbine blade pitch

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB562845A (en) * 1941-12-26 1944-07-19 Automotive Prod Co Ltd Improvements in or relating to variable pitch propellers for water craft
GB605561A (en) * 1945-03-24 1948-07-27 John Sidney Neale Improved pitch controlling means for rotor blades of helicopters
US2597419A (en) * 1949-06-02 1952-05-20 Hobson Ltd H M Hydraulic servomotor and the like
US3256780A (en) * 1963-12-10 1966-06-21 United Aircraft Corp Dual input servo control mechanism
GB1185041A (en) * 1966-04-12 1970-03-18 Dowty Rotol Ltd Adjustable Bladed Rotors
US4007845A (en) * 1975-03-17 1977-02-15 Massey-Ferguson Inc. Swing mechanism
US4083651A (en) * 1976-08-17 1978-04-11 United Technologies Corporation Wind turbine with automatic pitch and yaw control
DE2655026C2 (de) * 1976-12-04 1979-01-18 Ulrich Prof. Dr.-Ing. 7312 Kirchheim Huetter Windenergiekonverter
US4161658A (en) * 1978-06-15 1979-07-17 United Technologies Corporation Wind turbine generator having integrator tracking
US4274808A (en) * 1978-12-21 1981-06-23 Textron, Inc. Swashplate drive redundancy system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19541202A1 (de) * 1995-11-04 1997-05-07 Muehlbauer Luftfahrttechn Gmbh Segelstellungs-Propelleranlage für Motorsegler und einmotorige Flugzeuge
WO2001027471A1 (de) 1999-10-11 2001-04-19 Aerodyn Engineering Gmbh Einzelblattverstellung für windenergieanlagen
DE19948997A1 (de) * 1999-10-11 2001-04-19 Aerodyn Eng Gmbh Blatteinzelverstellung für Windenergieanlagen
DE19948997B4 (de) * 1999-10-11 2005-04-14 Aerodyn Engineering Gmbh Einzelblattverstellung für Windenergieanlagen
DE102004017323A1 (de) * 2004-04-06 2005-11-03 Repower Systems Ag Windenergieanlage
DE102006032388A1 (de) * 2006-07-13 2008-01-17 Nordex Energy Gmbh Windenergieanlage mit einem Hydrauliksystem
DE102006032388B4 (de) * 2006-07-13 2012-01-26 Nordex Energy Gmbh Windenergieanlage mit einem Hydrauliksystem
EP2218908A2 (de) 2009-02-12 2010-08-18 Nordex Energy GmbH Vorrichtung zur Arretierung eines Rotorblatts einer Windenergieanlage
DE102009008607A1 (de) 2009-02-12 2010-08-19 Nordex Energy Gmbh Vorrichtung zur Arretierung eines Rotorblatts einer Windenergieanlage
DE202015001902U1 (de) * 2015-03-11 2016-06-14 Liebherr-Components Biberach Gmbh Verstelleinheit zur Pitchverstellung eines Rotorblatts und Windkraftanlage mit einer solchen Verstelleinheit
US10590913B2 (en) 2015-03-11 2020-03-17 Liebherr-Components Biberach Gmbh Adjustment unit for adjusting the pitch of a rotor blade, and wind turbine with such an adjustment unit
US10794361B2 (en) 2015-03-11 2020-10-06 Liebherr-Components Biberach Gmbh Adjustment unit for adjusting the pitch of a rotor blade, and wind turbine with such an adjustment unit

Also Published As

Publication number Publication date
GB2071781B (en) 1983-06-22
CA1146078A (en) 1983-05-10
DK105281A (da) 1981-09-18
NO157793B (no) 1988-02-08
IL62274A (en) 1983-09-30
IT1137431B (it) 1986-09-10
JPS57373A (en) 1982-01-05
ES500375A0 (es) 1982-05-01
NO810843L (no) 1981-09-18
FI73790B (fi) 1987-07-31
SE446653B (sv) 1986-09-29
NO157793C (no) 1988-05-25
JPH0147627B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-10-16
US4348155A (en) 1982-09-07
SE8101614L (sv) 1981-09-18
IN153214B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-06-16
BR8101492A (pt) 1981-09-15
FI810813L (fi) 1981-09-18
FR2478218A1 (fr) 1981-09-18
IT8120376A0 (it) 1981-03-17
ZA811359B (en) 1982-03-31
FR2478218B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-12-21
IL62274A0 (en) 1981-05-20
FI73790C (fi) 1987-11-09
AU6841281A (en) 1981-09-24
NL8101232A (nl) 1981-10-16
GB2071781A (en) 1981-09-23
AU540223B2 (en) 1984-11-08
DE3110263A1 (de) 1982-03-25
KR850000936B1 (ko) 1985-06-28
KR830005485A (ko) 1983-08-20
ES8204073A1 (es) 1982-05-01
AR230322A1 (es) 1984-03-01

Similar Documents

Publication Publication Date Title
DE3110263C2 (de) Blatteinstelleinrichtung für eine mit mehreren Blättern versehene Windturbine
DE3110264C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP1269014B1 (de) Einzelblattverstellung für windenergieanlagen
DE68902434T2 (de) Schwenk- und ausrueckvorrichtung fuer windturbinen.
DE3110266A1 (de) Windturbinenblattwinkeleinstellsystem
DE3320685C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE3440470C2 (de) Verstelleinrichtung für einen Verstellpropeller eines Flugzeuges
DE4127250C2 (de) Einrichtung zum Verteilen eines Fluiddruckes
DE3113384A1 (de) "windturbine"
WO2013189566A1 (de) Hydraulische stelleinrichtung
DE3110265C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP1262403A2 (de) Individuelle Rotorblatt-Steuerungsvorrichtung
EP2883788B1 (de) Propellereinheit mit Regler
DE3423888A1 (de) Blattwinkelverstelleinrichtung
DE2543995A1 (de) Stelleinrichtung in integrierter oder konzentrierter bauweise
EP1533520A1 (de) Elektrohydraulische Regenerativ-Steuervorrichtung zur Rotorblattverstellung einer Windkraftanlage
EP2872776A2 (de) Windenergieanlage mit einem pitchverstellsystem
DE69205810T2 (de) Vorrichtung mit verminderter Störanfälligkeit zur Steuerung eines Hubschrauberrotors durch eine Taumelscheibe.
DE2317754A1 (de) Anordnung zur ueberwachung und steuerung eines redundanten elektrohydraulischen stellantriebes
DE3515826A1 (de) Hydraulische stellantriebsvorrichtung
DE19654781A1 (de) Hilfseinrichtung zur Realisierung einer Redundanz für die Energieversorgung von Flugsteuerungsantrieben
DE2301622B2 (de) Elektrohydraulische Schiffsrudersteuereinrichtung
DE3614371C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1576075B2 (de) Parallelredundantes betaetigungssystem
DE2535028A1 (de) Rotor fuer drehfluegelflugzeuge

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: MENGES, R., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee