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1. WO2020221860 - ROTOR FOR A WIND TURBINE AND WIND TURBINE

Publication Number WO/2020/221860
Publication Date 05.11.2020
International Application No. PCT/EP2020/062027
International Filing Date 30.04.2020
IPC
F03D 1/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor
02having a plurality of rotors
F03D 9/25 2016.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
9Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
20Wind motors characterised by the driven apparatus
25the apparatus being an electrical generator
F03D 1/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor
04having stationary wind-guiding means, e.g. with shrouds or channels
F03D 1/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor
06Rotors
F03D 7/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
CPC
F03D 1/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
02having a plurality of rotors
025coaxially arranged
F03D 1/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
04having stationary wind-guiding means, e.g. with shrouds or channels
F03D 1/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
06Rotors
F03D 1/0608
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
06Rotors
0608characterised by their form
F03D 7/0224
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
022Adjusting aerodynamic properties of the blades
0224Adjusting blade pitch
F03D 7/0236
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
022Adjusting aerodynamic properties of the blades
0236by changing the active surface of the wind engaging parts, e.g. reefing, telescoping, furling or coning
Applicants
  • WOBBEN PROPERTIES GMBH [DE]/[DE]
Inventors
  • STEMBERG, Jochen
  • MAASS, Hauke
Agents
  • EISENFÜHR SPEISER PATENTANWÄLTE RECHTSANWÄLTE PARTGMBB
Priority Data
10 2019 111 123.430.04.2019DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ROTOR FÜR EINE WINDENERGIEANLAGE UND WINDENERGIEANLAGE
(EN) ROTOR FOR A WIND TURBINE AND WIND TURBINE
(FR) ROTOR POUR UNE ÉOLIENNE ET ÉOLIENNE
Abstract
(DE)
Die Erfindung betrifft einen Rotor (106, 206) für eine Windenergieanlage (100, 200), insbesondere eine Windenergieanlage (100, 200) mit einer Leistung von mehr als 1 MW, eine Nabe für einen Rotor (106, 206) einer Windenergieanlage (100, 200) und eine Windenergieanlage (100, 200). Die Erfindung betrifft insbesondere einen Rotor (106, 206) für eine Windenergieanlage (100, 200), insbesondere eine Windenergieanlage (100, 200) mit einer Leistung von mehr als 1 MW, umfassend ein Primärrotorblatt (108, 220, 222, 224), wobei sich das Primärrotorblatt (108, 220, 222, 224) von einem ersten Wurzelbereich (226) zu einer ersten Blattspitze (225) mit einer ersten Längserstreckung erstreckt, ein Sekundärrotorblatt (112, 230, 232, 234), wobei sich das Sekundärrotorblatt (112, 230, 232, 234) von einem zweiten Wurzelbereich zu einer zweiten Blattspitze mit einer zweiten Längserstreckung erstreckt, wobei die erste Längserstreckung größer ist als die zweite Längserstreckung.
(EN)
The invention relates to a rotor (106, 206) for a wind turbine (100, 200), in particular a wind turbine (100, 200), having a power of more than 1 MW, to a hub for a rotor (106, 206) of a wind turbine (100, 200) and to a wind turbine (100, 200). The invention relates in particular to a rotor (106, 206) for a wind turbine (100, 200), in particular a wind turbine (100, 200) having a power of more than 1 MW, comprising a primary rotor blade (108, 220, 222, 224), wherein the primary rotor blade (108, 220, 222, 224) extends from a first root region (226) to a first blade tip (225) having a first longitudinal extension, a secondary rotor blade (112, 230, 232, 234), wherein the secondary rotor blade (112, 230, 232, 234) extends from a second root region to a second blade tip having a second longitudinal extension, the first longitudinal extension being larger than the second longitudinal extension.
(FR)
L'invention concerne un rotor (106, 206) pour une éolienne (100, 200), en particulier une éolienne (100, 200) présentant une puissance supérieure à 1 MW, un moyeu pour un rotor (106, 206) d'une éolienne (100, 200) et une éolienne (100, 200). L'invention concerne en particulier un rotor (106, 206) pour une éolienne (100, 200), en particulier une éolienne (100, 200) présentant une puissance supérieure à 1 MW. Le rotor comprend une pale de rotor primaire (108, 220, 222, 224), laquelle pale de rotor primaire (108, 220, 222, 224) s'étend depuis une première zone de racine (226) vers une première pointe (225) de pale présentant une première extension longitudinale, une pale de rotor secondaire (112, 230, 232, 234), laquelle pale de rotor secondaire (112, 230, 232, 234) s'étend depuis une deuxième zone de racine vers une deuxième pointe de pale présentant une deuxième extension longitudinale, la première extension longitudinale étant supérieure à la deuxième extension longitudinale.
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