DE20017994U1 - Hybrid pitch drive for wind turbines - Google Patents

Hybrid pitch drive for wind turbines

Info

Publication number
DE20017994U1
DE20017994U1 DE20017994U DE20017994U DE20017994U1 DE 20017994 U1 DE20017994 U1 DE 20017994U1 DE 20017994 U DE20017994 U DE 20017994U DE 20017994 U DE20017994 U DE 20017994U DE 20017994 U1 DE20017994 U1 DE 20017994U1
Authority
DE
Germany
Prior art keywords
wind turbines
pitch drive
hydraulic
combination
units
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 - Lifetime
Application number
DE20017994U
Other languages
German (de)
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.)
SB Patent Holding ApS
Original Assignee
STEVEN JOACHIM
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 STEVEN JOACHIM filed Critical STEVEN JOACHIM
Priority to DE20017994U priority Critical patent/DE20017994U1/en
Publication of DE20017994U1 publication Critical patent/DE20017994U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Pitch-Antrieb für Windkraftanlagen, gekennzeichnet durch hybride Ausführung (elektrischer und hydraulischer Antrieb in Kombination)1. Pitch drive for wind turbines, characterized by a hybrid design (electric and hydraulic drive in combination) 2. Hydraulisches Antriebsaggregat für Windkraftanlagen, gekennzeichnet durch geschlossene Bauweise und Einsatz eines Niederdruck-Speichers2. Hydraulic drive unit for wind turbines, characterized by closed design and use of a low pressure accumulator 3. hydraulische Schaltung des Antriebsaggregates, gekennzeichnet durch Einsatz eines Druckspeichers, der in Kombination mit einem Sitzventil und einer Pumpe das Rotorblatt bei Spannungsabfall automatisch in eine sichere Lage dreht.3. hydraulic circuit of the drive unit, characterized by the use of a pressure accumulator, which in combination with a Seat valve and a pump automatically turn the rotor blade into a safe when the voltage drops Location turns. 4. Anordnung der Hydraulikaggregate, gekennzeichnet durch Einbau der Aggregate in den rotierenden Rotor der Windkraftanlage.4. arrangement of the hydraulic units, characterized by installation of the units in the rotating rotor of the wind turbine.
DE20017994U 2000-10-19 2000-10-19 Hybrid pitch drive for wind turbines Expired - Lifetime DE20017994U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20017994U DE20017994U1 (en) 2000-10-19 2000-10-19 Hybrid pitch drive for wind turbines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20017994U DE20017994U1 (en) 2000-10-19 2000-10-19 Hybrid pitch drive for wind turbines

Publications (1)

Publication Number Publication Date
DE20017994U1 true DE20017994U1 (en) 2001-02-08

Family

ID=7947877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20017994U Expired - Lifetime DE20017994U1 (en) 2000-10-19 2000-10-19 Hybrid pitch drive for wind turbines

Country Status (1)

Country Link
DE (1) DE20017994U1 (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002040862A1 (en) * 2000-11-14 2002-05-23 Aloys Wobben Wind energy turbine
WO2002048545A1 (en) * 2000-12-12 2002-06-20 Bosch Rexroth Ag Hydraulic unit for adjusting the rotor blades of a wind turbine
DE10127454A1 (en) * 2001-06-07 2002-12-12 Aloys Wobben Switching device with actuation shaft for wind power system, has actuation shaft rigidly connected to rotor blade, actuator with crank section joined to actuation shaft and at least one switch
DE10140793A1 (en) * 2001-08-20 2003-03-06 Gen Electric Device for adjusting the rotor blade of a rotor of a wind turbine
EP1647708A1 (en) * 2004-10-14 2006-04-19 General Electric Company Pitch drive system for a wind turbine
DE202005015774U1 (en) * 2005-10-07 2007-02-15 Liebherr-Werk Biberach Gmbh Actuator for adjusting the angle of attack of a rotor blade
WO2009064264A1 (en) * 2007-11-09 2009-05-22 Moog Inc. Electro-hydraulic actuator for controlling the pitch of a blade of a wind turbine
DE102008051329A1 (en) 2008-10-15 2010-04-22 Suzlon Energy Gmbh Wind turbine for producing electrical energy from wind energy, has stator designed and equipped such that rotating magnetic field is produced at stator with respect to armature that stops relative to housing
ITBO20090414A1 (en) * 2009-06-25 2010-12-26 Bonfiglioli Riduttori Spa GROUP FOR COMMANDING THE WINDLESS ORIENTATION OF A WIND GENERATOR
EP2461453A1 (en) * 2010-12-06 2012-06-06 HAWE Hydraulik SE Reactive power compensation for auxiliary actuators in a solar or wind power station
WO2012109461A1 (en) * 2011-02-10 2012-08-16 Inventus Holdings, Llc Method for positioning a hydraulic accumulator in a hub of a wind- powered electric generator
EP2584192A1 (en) * 2011-10-19 2013-04-24 Siemens Aktiengesellschaft Pitch adjustment device
EP2698533A1 (en) 2012-08-17 2014-02-19 Moog Unna GmbH Electric hydraulic pitch drive, wind or water turbine and method for operating an electric hydraulic pitch drive
WO2014118373A1 (en) * 2013-02-01 2014-08-07 2-B Energy Holding B.V. Control device for a yaw system of a wind power plant
EP2778396A1 (en) * 2013-03-13 2014-09-17 Areva Wind GmbH Hydraulic braking system, wind generator comprising a hydraulic braking system and use of an automatic air bleed valve in a hydraulic braking system
ITVR20130105A1 (en) * 2013-05-03 2014-11-04 Treccani Engineering S R L WIND TURBINE
CN107587975A (en) * 2017-08-14 2018-01-16 山东中车风电有限公司 A kind of wind-driven generator hydraulic blade pitch device and system
EP3404256A1 (en) 2017-05-18 2018-11-21 Enbreeze GmbH Device for adjusting the rotor blades of a flow force installation
CN109667714A (en) * 2017-10-17 2019-04-23 新疆金风科技股份有限公司 Fluid pressure pitch-controlled system and its control method
DE102020002452B3 (en) 2020-04-23 2021-08-12 Siemens Gamesa Renewable Energy Service Gmbh Pitch drive for a rotor blade of a wind turbine and method for operating a pitch drive

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002214973B2 (en) * 2000-11-14 2005-05-26 Aloys Wobben Wind energy turbine
US6939103B2 (en) 2000-11-14 2005-09-06 Aloys Wobben Wind power installation with multiple blade adjusting devices
WO2002040862A1 (en) * 2000-11-14 2002-05-23 Aloys Wobben Wind energy turbine
WO2002048545A1 (en) * 2000-12-12 2002-06-20 Bosch Rexroth Ag Hydraulic unit for adjusting the rotor blades of a wind turbine
DE10127454A1 (en) * 2001-06-07 2002-12-12 Aloys Wobben Switching device with actuation shaft for wind power system, has actuation shaft rigidly connected to rotor blade, actuator with crank section joined to actuation shaft and at least one switch
DE10140793A1 (en) * 2001-08-20 2003-03-06 Gen Electric Device for adjusting the rotor blade of a rotor of a wind turbine
US6783326B2 (en) 2001-08-20 2004-08-31 General Electric Company Means for adjusting the rotor blade of a wind power plant rotor
EP1647708A1 (en) * 2004-10-14 2006-04-19 General Electric Company Pitch drive system for a wind turbine
US7699584B2 (en) 2005-10-07 2010-04-20 Liebherr-Werk Biberach Gmbh Actuator for adjusting a rotor blade pitch angle
DE202005015774U1 (en) * 2005-10-07 2007-02-15 Liebherr-Werk Biberach Gmbh Actuator for adjusting the angle of attack of a rotor blade
AU2007360945B2 (en) * 2007-11-09 2012-02-23 Moog Inc. Electro-hydraulic actuator for controlling the pitch of a blade of a wind turbine
WO2009064264A1 (en) * 2007-11-09 2009-05-22 Moog Inc. Electro-hydraulic actuator for controlling the pitch of a blade of a wind turbine
CN101918709B (en) * 2007-11-09 2013-01-02 莫戈公司 Electro-hydraulic actuator for controlling the pitch of a blade of a wind turbine
DE102008051329A1 (en) 2008-10-15 2010-04-22 Suzlon Energy Gmbh Wind turbine for producing electrical energy from wind energy, has stator designed and equipped such that rotating magnetic field is produced at stator with respect to armature that stops relative to housing
DE102008051329B4 (en) * 2008-10-15 2011-04-21 Suzlon Energy Gmbh Wind turbine with increased overvoltage protection
ITBO20090414A1 (en) * 2009-06-25 2010-12-26 Bonfiglioli Riduttori Spa GROUP FOR COMMANDING THE WINDLESS ORIENTATION OF A WIND GENERATOR
EP2461453A1 (en) * 2010-12-06 2012-06-06 HAWE Hydraulik SE Reactive power compensation for auxiliary actuators in a solar or wind power station
WO2012109461A1 (en) * 2011-02-10 2012-08-16 Inventus Holdings, Llc Method for positioning a hydraulic accumulator in a hub of a wind- powered electric generator
EP2584192A1 (en) * 2011-10-19 2013-04-24 Siemens Aktiengesellschaft Pitch adjustment device
EP2698533A1 (en) 2012-08-17 2014-02-19 Moog Unna GmbH Electric hydraulic pitch drive, wind or water turbine and method for operating an electric hydraulic pitch drive
WO2014118373A1 (en) * 2013-02-01 2014-08-07 2-B Energy Holding B.V. Control device for a yaw system of a wind power plant
EP2778396A1 (en) * 2013-03-13 2014-09-17 Areva Wind GmbH Hydraulic braking system, wind generator comprising a hydraulic braking system and use of an automatic air bleed valve in a hydraulic braking system
ITVR20130105A1 (en) * 2013-05-03 2014-11-04 Treccani Engineering S R L WIND TURBINE
EP3404256A1 (en) 2017-05-18 2018-11-21 Enbreeze GmbH Device for adjusting the rotor blades of a flow force installation
DE102017004909A1 (en) 2017-05-18 2018-11-22 Enbreeze Gmbh Device for adjusting the rotor blades of a flow force plant
CN107587975A (en) * 2017-08-14 2018-01-16 山东中车风电有限公司 A kind of wind-driven generator hydraulic blade pitch device and system
CN109667714A (en) * 2017-10-17 2019-04-23 新疆金风科技股份有限公司 Fluid pressure pitch-controlled system and its control method
CN109667714B (en) * 2017-10-17 2020-01-31 新疆金风科技股份有限公司 Hydrostatic variable-pitch system and control method thereof
DE102020002452B3 (en) 2020-04-23 2021-08-12 Siemens Gamesa Renewable Energy Service Gmbh Pitch drive for a rotor blade of a wind turbine and method for operating a pitch drive
EP3901453A1 (en) 2020-04-23 2021-10-27 Siemens Gamesa Renewable Energy Service GmbH Pitch drive for a rotor blade of a wind turbine and method for operating a pitch drive

Similar Documents

Publication Publication Date Title
DE20017994U1 (en) Hybrid pitch drive for wind turbines
ES2340236B2 (en) PROCEDURES AND APPARATUS FOR THE SUPPLY AND / OR ABSORPTION OF REACTIVE ELECTRICAL ENERGY.
JP2004218436A (en) Wind power generator
KR100776319B1 (en) Vertical axis type wind power generator
GB2386161A (en) Fluid dynamic bladed rotor
WO2004079185A3 (en) Electric power generation system
DE10042020A1 (en) Wind-power installation for converting wind to power/energy, incorporates rotor blade and energy converter built as compressed-air motor for converting wind energy into other forms of energy
KR101035046B1 (en) Wind power generation system use of compressed air
CN208486974U (en) A kind of double turbine tidal current energy generating equipments of NEW ADAPTIVE tidal range
DE102006024042A1 (en) Mechanically and hydraulically combined wave power plate for use as offshore system, has main drive shaft that is propelled using generator gear, and hydraulic system with piston pump and floating body that moves up and down by wave energy
DE202008013631U1 (en) Use of the steel tower of a wind turbine as compressed air storage
CN105960527B (en) Pre-bent wind turbine blades and the method for manufacturing the pre-bent wind turbine blades
CN202468154U (en) Wind power linking rotation energy generating device structure
CN210164574U (en) Wind power generator with auxiliary power
WO2007125149A1 (en) Water-propelled motor
DE102018008256B4 (en) Level turbine
CN204298730U (en) A kind of energy-conservation landscape fence
DE3527951A1 (en) Wind power system with a compressor and compressed air storage
KR200212985Y1 (en) Compressed air generating device of wind power system
CN2787871Y (en) Piston type water pump
CN201972832U (en) Combined operation structure for axial flow type water turbine
CN203146209U (en) River bottom fall type power device
DE102013200313A1 (en) Wind turbine for e.g. production of hot water, has wind rotors that are arranged on nacelle of rotor for driving load, and are formed such that first wind rotor introduced into swirl is partially compensated by second wind rotor
CN101713379A (en) Turbine type wind driven generator
DE20009481U1 (en) Storage for wind powered fans

Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20010315

R081 Change of applicant/patentee

Owner name: S.B. PATENT HOLDING APS, DK

Free format text: FORMER OWNER: STEVEN, JOACHIM, DIPL.-ING., 30173 HANNOVER, DE

Effective date: 20010726

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20031203

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20070516

R081 Change of applicant/patentee

Owner name: S.B. PATENT HOLDING APS, DK

Free format text: FORMER OWNER: SVENDBORG BRAKES A/S DEUTSCHLAND, 32257 BUENDE, DE

Effective date: 20070615

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20081124

R071 Expiry of right