DK200900775A - Spinner of a wind turbine - Google Patents

Spinner of a wind turbine Download PDF

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Publication number
DK200900775A
DK200900775A DKPA200900775A DKPA200900775A DK200900775A DK 200900775 A DK200900775 A DK 200900775A DK PA200900775 A DKPA200900775 A DK PA200900775A DK PA200900775 A DKPA200900775 A DK PA200900775A DK 200900775 A DK200900775 A DK 200900775A
Authority
DK
Denmark
Prior art keywords
spinner
wind turbine
rotor blade
hub
inner portion
Prior art date
Application number
DKPA200900775A
Other languages
Danish (da)
Inventor
Herr Stefan
Gauchel Peter
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Priority to DKPA200900775A priority Critical patent/DK177193B1/en
Publication of DK200900775A publication Critical patent/DK200900775A/en
Application granted granted Critical
Publication of DK177193B1 publication Critical patent/DK177193B1/en

Links

Classifications

    • 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

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  • Wind Motors (AREA)

Abstract

[ The present patent application relates to a spinner (150) for a wind turbine adapted to be mounted on a hub of said wind turbine, wherein at least one rotor blade (140) is connected to said hub (130), wherein the rotor blade has an inner portion (144) and a profiled outer portion (142), wherein the spinner is adapted to cover a substantial portion of the inner portion of the rotor blade in wind direction, the spinner having a front portion (150), wherein the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation. Further, it relates to a wind turbine comprising a hub (130) and at least one rotor blade (140) connected to the hub, the rotor blade having an inner portion (144) and a profiled outer portion (142), the wind turbine fiirther comprising a spinner (150) mounted on the hub, wherein the spinner is adapted to cover a substantial portion of the inner portion in wind direction, the spinner having a front portion (150), wherein the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation.

Description

CLAIMS 1. A spinner (150, 150a, 150b, 150c) for a wind turbine {100) adapted to be mounted on a hub of said wind turbine, wherein the at least one rotor blade is (140) connected to said hub (130), wherein the rotor blade has an inner portion (144) and a profiled outer portion (142), wherein the spinner is adapted to cover a substantial portion of the inner portion of the rotor blade in wind direction, the spinner having a front portion (150, 152a), wherein the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation. 2. The spinner according to claim 1, wherein the spinner (150, 150a, 150b) has substantially a shape of a spherical segment or a substantial paraboloidal shape. 3. The spinner according to claim 1 or 2, further having a back portion (154a), the back portion being adapted to surround the hub and having a cut out corresponding to each cylindrical inner portion of a rotor blade of said wind turbine. 4. The spinner according to one of the claims 1 to 3, wherein the back end of the front portion of the spinner has in a front view' a substantial circular circumference. 5. A wind turbine (100) comprising a hub (130) and at least one rotor blade (140) connected to the hub, the rotor blade having an inner portion (144) and a profiled outer portion (142), the wind turbine further comprising a spinner (150, 150a, 150b, 150c) mounted on the hub, wherein the spinner is adapted to cover a substantial portion of the inner portion in wand direction, the spinner having a front portion (150, 152a), wherein the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation, wherein a back end of the front portion has a substantial smooth circumference. 6. The wind turbine according to claim 5, wherein the spinner (150a) further comprises a back portion (154a), the back portion being adapted to surround the hub (150) and having a cut out corresponding to the cylindrical inner portion (144) of the rotor blade (140). 7. The wind turbine according to claim 6, wherein the back portion (154a) back portion has a diameter corresponding to a minimum diameter of the back end of the front portion (152a). 8. The wind turbine according to one of the claims 5 to 7, further comprising a nacelle (120), the hub (130) being connected to the nacelle, wherein the housing of the nacelle (120) has a substantially paraboloidal shape, the radial diameter of the front end of the nacelle being greater than the radial diameter of the backward end of the nacelle. 9. The wind turbine according to claim 8, wherein the radial outer diameter of the front end of the nacelle is smaller than the minimum diameter of the back end of the front portion of the spinner. 10. The wind turbine according to one of the claims 5 to 9, wherein, in a front view, the back end of the front portion of the spinner (150c) has a substantially undulating circumference, wherein at least one peak being adapted to be positioned in front of the inner portion of the at least one rotor blade.CLAIMS 1. A spinner (150, 150a, 150b, 150c) for a wind turbine {100) adapted to be mounted on a hub of said wind turbine, with at least one rotor blade (140) connected to said hub (130 ), where the rotor blade has an inner portion (144) and a profiled outer portion (142), while the spinner is adapted to cover a substantial portion of the inner portion of the rotor blade in wind direction, the spinner having a front portion (150, 152a), where the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation. The spinner according to claim 1, wherein the spinner (150, 150a, 150b) has substantially a shape of a spherical segment or a substantial paraboloidal shape. The spinner according to claim 1 or 2, further having a back portion (154a), the back portion being adapted to surround the hub and having a cut out corresponding to each cylindrical inner portion of a rotor blade of said wind turbine. The spinner according to one of claims 1 to 3, wherein the back end of the front portion of the spinner has in a front view a substantial circular circumference. 5. A wind turbine (100) comprising a hub (130) and at least one rotor blade (140) connected to the hub, the rotor blade having an inner portion (144) and a profiled outer portion (142), the wind turbine further comprising a spinner (150, 150a, 150b, 150c) mounted on the hub, the spinner being adapted to cover a substantial portion of the inner portion in wall direction, the spinner having a front portion (150, 152a), the front portion is adapted to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation, while a back end of the front portion has a substantially smooth circumference. The wind turbine of claim 5, wherein the spinner (150a) further comprises a back portion (154a), the back portion being adapted to surround the hub (150) and having a cut-out corresponding to the cylindrical inner portion (144 ) of the rotor blade (140). The wind turbine according to claim 6, wherein the back portion (154a) back portion has a diameter corresponding to a minimum diameter of the back end of the front portion (152a). The wind turbine according to one of claims 5 to 7, further comprising a nacelle (120), the hub (130) being connected to the nacelle, while the housing of the nacelle (120) has a substantially paraboloidal shape, the radial diameter of the front end of the nacelle being greater than the radial diameter of the backward end of the nacelle. The wind turbine according to claim 8, wherein the radial outer diameter of the front end of the nacelle is smaller than the minimum diameter of the back end of the front portion of the spinner. 10. The wind turbine according to one of claims 5 to 9, wherein, in a front view, the back end of the front portion of the spinner (150c) has a substantially undulating circumference, with at least one peak being adapted to be positioned in front of the inner portion of the at least one rotor blade.

DKPA200900775A 2009-06-24 2009-06-24 Spinner of a wind turbine DK177193B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DKPA200900775A DK177193B1 (en) 2009-06-24 2009-06-24 Spinner of a wind turbine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200900775 2009-06-24
DKPA200900775A DK177193B1 (en) 2009-06-24 2009-06-24 Spinner of a wind turbine

Publications (2)

Publication Number Publication Date
DK200900775A true DK200900775A (en) 2010-12-25
DK177193B1 DK177193B1 (en) 2012-05-21

Family

ID=43513555

Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA200900775A DK177193B1 (en) 2009-06-24 2009-06-24 Spinner of a wind turbine

Country Status (1)

Country Link
DK (1) DK177193B1 (en)

Also Published As

Publication number Publication date
DK177193B1 (en) 2012-05-21

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