CN202250637U - Anti-lightning system for wind turbine - Google Patents
Anti-lightning system for wind turbine Download PDFInfo
- Publication number
- CN202250637U CN202250637U CN2011201650329U CN201120165032U CN202250637U CN 202250637 U CN202250637 U CN 202250637U CN 2011201650329 U CN2011201650329 U CN 2011201650329U CN 201120165032 U CN201120165032 U CN 201120165032U CN 202250637 U CN202250637 U CN 202250637U
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- Prior art keywords
- thunderbolt
- electric
- guiding device
- pitch bearing
- interior ring
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- 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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Abstract
The utility model relates to an anti-lightning system for a wind turbine. The wind turbine comprises an outer hood connected to an inner hub, and the inner hub is grounded through a cabin and a tower. The anti-lightning system for the wind turbine is characterized by comprising at least one of an electric guide device and an electric isolating device. By adoption of the anti-lightning system, a great quantity of lightning current from lightning strokes can be prevented from damaging one or more parts of the wind turbine.
Description
Technical field
The utility model relates to wind turbine, specifically, relates to the anti-thunderbolt system that is used for wind turbine.
Background technique
When thunderbolt took place, a large amount of conducting lightning currents was through near all wind turbine components.Therefore, must be on conductive path with the conducting lightning currents the earth that leads, said parts are caused damage avoiding.And, consider the technician's who in wind turbine, works safety, it is extremely important with correct and safe mode conducting lightning currents to be imported the earth.
Some parts on this conductive path must electric coupling, though they can relative to each other move.
Interconnecting relation for example is pitch bearing/wheel hub interconnection portion, deflection anchor clamps/pylon interconnection portion and deflection brake caliper/brake disc interconnection portion.
Some other parts on this conductive path are electric coupling still also, and for example hood is connected to the wheel hub of wind turbine.
Wind turbine component is mechanical interconnection only, but increased like this risk from a large amount of local currents of thunderbolt takes place, and this a large amount of local currents possibly damage sensing unit, for example pitching cylinder body or generator.Consider the technician's who in cabin or wheel hub, works safety, the parts proper grounding that possibly be struck by lightning or also extremely important with certain mode electrical isolation.
The model utility content
The utility model technical problem to be solved provides a kind of anti-thunderbolt system that is used for wind turbine; This system comprises one or more electric guiding devices and/or electric isolation mounting; The one or more parts that are used for wind turbine are to avoid damaging because of a large amount of conducting lightning currents the parts of wind turbine.
A kind of anti-thunderbolt system that is used for wind turbine, wherein said wind turbine comprises the outer hood that is connected to inner wheel hub, inner wheel hub is characterised in that through cabin and pylon ground connection, said anti-thunderbolt system comprise electric guiding device and electric isolation mounting at least one of them.
According to an aspect of the utility model, said outer hood comprises some conductive connecting devices, and said conductive connecting device is electrically connected to said inner wheel hub through one or more electric guiding devices.
The connection set of said hood is used to connect some casings or hood section, and/or is used to connect or dismantle the maintenance hatch door of hood, and/or can be used as suspension ring.Suspension ring also can be as the lightning receiver of hood, because it is connected to the earth through wheel hub, cabin and pylon.
According to another aspect of the utility model, said electricity guiding connection set is bolt or screw.
According to another aspect of the utility model, said electric guiding device is configured to steel bar, lead and/or conductive plate shape.
According to another aspect of the utility model; Said wind turbine comprises pitch bearing; It has outer shroud and interior ring; And said anti-thunderbolt system further comprises and one or morely is arranged on the outer shroud of said pitch bearing or the electric guiding device on the interior ring, so that be electrically connected to the interior ring or the outer shroud of said pitch bearing.
According to another aspect of the utility model; Said anti-thunderbolt system further comprises the electricity guiding arch gap part of the outer shroud that is connected to said pitch bearing; Wherein said electricity guiding arch gap part is electrically connected to said electric guiding device; And said electricity guiding arch gap part comprises jagged end sections, with the guiding conducting lightning currents.
According to another aspect of the utility model; Said electric guiding device comprises copper shell and is slidably received within the slip carbon pin in the said copper shell; Wherein when the interior ring of said pitch bearing and outer shroud relative to each other rotate, said slip carbon pin ring or outer shroud in said slide.
According to another aspect of the utility model; Said electric guiding device comprises the outer shroud that is arranged on said pitch bearing or the copper brush on the interior ring; When the interior ring of said pitch bearing and outer shroud relative to each other rotate; Interior ring or outer shroud through against said pitch bearing slide, and said copper brush is electrically connected to the interior ring or the outer shroud of said pitch bearing.
According to another aspect of the utility model, said electric guiding device is electrically connected to said outer shroud or interior ring with electricity guiding arch gap part by support.
According to another aspect of the utility model, said wind turbine comprises the pitching cylinder body, and said anti-thunderbolt system comprises electric isolation mounting, and said pitching cylinder body is connected to the interior ring of said pitch bearing via said electric isolation mounting.
According to another aspect of the utility model, plate is connected to the interior ring of said pitch bearing, and the end sections of pitching cylinder body is connected to said plate by the electric isolation mounting between some bolts and connecting plate and said connecting plate and the said plate.
According to another aspect of the utility model, said electric isolation mounting is the isolation bearing material.
According to another aspect of the utility model, said isolation bearing material comprise nylon and Teflon at least one of them.
According to another aspect of the utility model, said wind turbine comprises hydraulic system, and said electric isolation mounting further comprises the high-pressure and hydraulic pipe of the electricity isolation that is connected between inner wheel hub and the said hydraulic system.
According to another aspect of the utility model; Said wind turbine further comprises deflection brake; Said deflection brake has brake disc and brake caliper housing; And be placed on the cabin base section of kibli turbine tower, and said anti-thunderbolt system further comprises the electric guiding device on the brake caliper housing that is arranged on said deflection brake.
According to another aspect of the utility model; Said electric guiding device comprises copper shell and is slidably received within the slip carbon pin in the said copper shell; Said slip carbon pin is electrically connected the brake disc and the brake caliper housing of said deflection brake; Wherein when said brake disc rotated with respect to said brake caliper housing, said slip carbon pin slided against said brake disc.
According to another aspect of the utility model, said electric guiding device is connected to said brake caliper housing by support, and said slip carbon pin is electrically connected to said support by one or more lead.
According to another aspect of the utility model, said anti-thunderbolt system further comprises the one or more electric guiding device that is arranged on the said pylon.
According to another aspect of the utility model; Said electric guiding device comprises the copper brush that is electrically connected to said pylon by band and one or more bolt or screw; When the base section in said cabin slided, said copper brush further was electrically connected to the base section in said cabin at said copper brush.
According to another aspect of the utility model, the length of each copper brush is 20 to 50cm, and is perhaps longer.
Utilize the utility model; It is badly damaged to avoid a large amount of conducting lightning currents from thunderbolt that one or more wind turbine components are caused, because one or more electric guiding device and/or electric isolation mounting are with suitably and safely lead the earth and/or said parts are carried out safely electricity isolate of conducting lightning currents.
Description of drawings
In conjunction with accompanying drawing, below will go through the utility model, in the accompanying drawings:
Fig. 1 shows the mode of execution of the utility model;
Fig. 2 and 3 shows the mode that outer hood is connected to inner wheel hub;
Fig. 4 shows the mode of execution of electric guiding device;
Fig. 5 shows the mode of execution of electricity guiding arch gap part;
Fig. 6 shows the mode of execution that is arranged on the electric isolation mounting on the pitching cylinder body;
Fig. 7 and 8 shows the another kind of mode of execution of the electric isolation mounting that comprises electric isolated high-voltage hydraulic tube;
Fig. 9 and 10 shows the another kind of mode of execution of the electric guiding device that is arranged on the deflection brake; With
Figure 11 shows the another kind of mode of execution of the electric guiding device that is arranged on the wind turbine tower top of the trellis.
Embodiment
In general, wind turbine comprises outer hood 100 (as shown in Figure 1), and outer hood segmentation also is connected to inner wheel hub 200 (as shown in Figure 2), and inner wheel hub is through cabin 1140 (shown in figure 11) and pylon 1130 (shown in figure 11) ground connection.
As shown in Figure 1, segmentation hood 100 is provided, wherein the one or more maintenance hatch door (not shown) in section and this section connect such as bolt, screw or like (for example referring to encircled among the figure) through conductive connecting device 110.Connection set 110 utilizes one or more electric guiding devices 160 (as shown in Figure 2); For example steel bar, lead or conductive plate piece; Be connected to inner wheel hub 200 (as shown in Figure 2); Inner wheel hub further is electrically connected to cabin 1140 (shown in figure 11) and pylon 1130 (shown in figure 11), and pylon is electrically connected to ground or greatly.Outer end in hood 100 tops is connected with orifice ring 120, and this orifice ring also is electrically connected to inner wheel hub 200, and orifice ring 120 can be as lightning receiver and the suspension ring that are used for outer hood 100 and inner wheel hub 200 are installed to the cabin 1140 of wind turbine.
In Fig. 2 and Fig. 3, show outer cabin 100 and how to utilize some conductive connecting devices to be connected to inner wheel hub 200, said conductive connecting device is embodied as bolt, screw or like (for example referring to encircled) in this mode of execution.
In Fig. 4, show electricity guiding arch gap part 410 (as shown in Figure 5) and utilize support 420 and two bolts 440 to be connected to the outer shroud 420 of pitch bearing 400, and arch gap part 410 leans the interior ring 450 of pitch bearing 400.Arch gap part 410 further is connected to electric guiding device 460; This electricity guiding device comprises copper shell 462 and slip carbon pin 464; This slip carbon pin is electrically connected to the outer shroud 420 (referring to encircled) of pitch bearing 400 with interior ring 450, and the carbon pin 464 that wherein slides is slidably received within the copper shell 462.Specifically, for example, the copper shell 462 of electric guiding device 460 is electrically connected to support 430, and the slip carbon pin 464 of electric guiding device 460 for example utilizes lead to be electrically connected to support 430.When outer shroud of pitch bearing 400 420 and interior ring 450 relative to each other rotated, said slip carbon pin 464 slided against interior ring 450, and electric guiding device 460 can be in this way set up between the interior ring 450 of pitch bearing 400 and outer shroud 420 and is electrically connected.
In alternate embodiments; Support 430 can be electrically connected to the interior ring 450 of pitch bearing 400; In this case; When outer shroud of pitch bearing 400 420 and interior ring 450 relative to each other rotated, said slip carbon pin 464 slided against outer shroud 420, and electric guiding device 460 also can be in this way set up between the interior ring 450 of pitch bearing 400 and outer shroud 420 and is electrically connected.
Alternatively, though not shown in Fig. 4, electric guiding device 460 can comprise copper brush, and said copper brush can be connected electrically between the interior ring 450 and outer shroud 420 of pitch bearing 400.In this case, said copper brush can utilize steel band and one or more bolt or screw and be electrically connected to support 430.Meanwhile, along with copper brush slides against interior ring 450, said copper brush further is electrically connected to the interior ring 450 of pitch bearing 400.
Those skilled in the art should understand that; Said copper brush can alternatively be electrically connected to the interior ring 450 of pitch bearing 400; In this case, said copper brush can slide against the outer shroud of pitch bearing 400 420, is electrically connected so that between the outer shroud of pitch bearing 400 and interior ring, set up.As replacement scheme, copper brush can also be arranged on the interior ring 450 of pitch bearing 400, in this case, also can utilize copper brush to slide and between the interior ring of pitch bearing 400 and outer shroud 420, set up and be electrically connected against the outer shroud of pitch bearing 400 420.
In Fig. 5; Show the electricity guiding arch gap part 410 that itself can form adjustable support; This arch gap part also can be connected to the outer shroud 420 of pitch bearing 400 through support 430 (not shown among Fig. 5), and leans the interior ring 450 of pitch bearing 400 (referring to encircled).Usually; Outer shroud around pitch bearing 400 can be settled some guiding arches gap part in the outside and/or the inboard of pitch bearing; Preferably settle more than two, settle in the outside at pitch bearing 400 shown in the figure, and the outer shroud 420 of pitch bearing 400 is connected to inner wheel hub 200 here.Fig. 4 and electricity guiding arch gap part shown in Figure 5 comprise the end sections 510 of flexuose or analogous shape, with the guiding conducting lightning currents.
In Fig. 6,7 and 8, show hydraulic pressure pitching system 600, the local at least electricity of this system is isolated, advances along pitching system 600 to avoid conducting lightning currents, and the parts of damage pitching system 600.
In Fig. 6, show pitching cylinder body 610, wherein the end sections 612 of cylinder body 610 is connected to plate 452, and this plate is connected to the interior ring 450 of pitch bearing 400.The end sections 612 of pitching cylinder body 610 is connected to plate 452 by electric isolation mounting 630; Said electric isolation mounting is also as the isolation bearing material, for example is connected nylon, Teflon or similar material between the end sections 612 of plate 452 and pitching cylinder body 610.Should notice that said isolation bearing material can use or make up use separately.In addition, as required, one of them kind of nylon and Teflon can be set.As shown in Figure 6; The end sections 612 of pitching cylinder body 610 utilizes the electric isolation mounting 630 between some bolts, connecting plate 620 and connecting plate 620 and the plate 452 to be connected to plate 452 securely, and said plate is connected to the interior ring 450 of pitch bearing 400 (referring to encircled).
In Fig. 7, show and utilize two electric isolated high-voltage hydraulic tubes to stop conducting lightning currents to pass through this pipe (referring to encircled) arrival piston, valve and/or other hydraulic pressure installation.Said electric isolated high-voltage hydraulic tube is also shown in Fig. 6.In the mode of execution of the utility model, electric isolated high-voltage hydraulic tube is connected between inner wheel hub 200 and the hydraulic system 600.Be noted that as required electric isolated high-voltage hydraulic tube also can be arranged between other hydraulic units and the hydraulic system 600.
In Fig. 8, how a part that shows hydraulic pressure pitching system is electrically connected and is mechanically connected to inner wheel hub 200 (referring to encircled), and inner wheel hub is electrically connected to the earth through cabin 1140 and pylon 1130.
In Fig. 9 and Figure 10, show the deflection brake 900 of the base section in the cabin 1140 that is placed in kibli turbine tower 1130.As shown in the figure, deflection brake 900 comprises brake disc 910 and brake caliper housing 920.Be arranged on deflection brake 900; Particularly be arranged on the brake caliper housing 920 is electric guiding device 960; Electricity guiding device 960 comprises copper shell 962 and the slip carbon pin 964 that is slidably received within the copper shell 962, and slip carbon pin is electrically connected brake disc 910 and brake caliper housing 920.Electricity guiding device 960 is connected to the brake caliper housing 920 of break 900 by support 930.Specifically, the copper shell 962 of electric guiding device 960 for example is connected to support 930 by bolt.The slip carbon pin 964 that is slidably received within the copper shell 962 utilizes one or more lead to be electrically connected to support 930, illustrates in the drawings and utilizes two leads to be electrically connected to support 930 through bolt (referring to encircled).When brake disc 910 moved with respect to brake caliper housing 920, slip carbon pin 964 can slide against brake disc 910, so as the guiding conducting lightning currents from brake disc 910 to brake caliper housing 920.
In Figure 11, show electric guiding device and be arranged on the pylon 130.Specifically, the top section that electric guiding device is included in pylon 1130 is connected to the copper brush 1160 of the steel band 1110 on the rubber axle collar 1120, and copper brush 1160 utilizes steel band 1110 and one or more bolts or screw to be electrically connected to pylon 1130.When copper brush 1160 against the cabin 1140 base section, when promptly the deflector in cabin 1140 (referring to encircled) slided, copper brush 1160 further was electrically connected to the base section in cabin 1140.Preferably settle two or more copper brush 1160 around the top section of pylon 1130,1140 to pylon 1130 guiding conducting lightning currents from the cabin, and conducting lightning currents will be by the earth that further leads.Each copper brush 1160 can have about 20 to 50 centimetres or longer span or length.
Should be appreciated that more than describing only is exemplary in nature in essence, is not limited to the utility model, its application or purposes.Though in specification, described concrete example; And describe in the drawings; But those skilled in the art should understand that; Under the prerequisite of the scope of the utility model that does not break away from claims and limited, can carry out various variations or can replace the element of the utility model with equivalent element.In addition; Considered mixing and the cooperation between different examples of characteristic, element and/or function in the text; Even clearly show or description; So those skilled in the art should understand from the utility model, the characteristic of an example, element and/or function can suitably be included in another example, only if clearly indicate opposite.In addition, can carry out many changes so that specific occasion or material adapt to the instruction of the utility model, and not break away from the base region of the utility model.Therefore; Mean; The utility model be not limited to by describe in accompanying drawing illustration and the specification, as the particular example of the preferred forms of the instruction of thinking to implement the utility model at present, but the scope that shows the utility model should comprise any mode of execution in the scope that falls into aforementioned description and subsidiary claims.
Claims (19)
1. anti-thunderbolt system that is used for wind turbine; Wherein said wind turbine comprises the outer hood (100) that is connected to inner wheel hub (200); Inner wheel hub is characterized in that through cabin (1140) and pylon (1130) ground connection, and said anti-thunderbolt system comprises electric guiding device (160; 460; 960; 1160) and electric isolation mounting (630) at least one of them.
2. anti-thunderbolt as claimed in claim 1 system is characterized in that said outer hood (100) comprises a plurality of conductive connecting devices (110), and said conductive connecting device is electrically connected to said inner wheel hub (200) through one or more electric guiding devices (160).
3. anti-thunderbolt as claimed in claim 2 system is characterized in that said conductive connecting device (110) is bolt or screw.
4. like each described anti-thunderbolt system of claim 1 to 3, it is characterized in that said electric guiding device (160) is configured to steel bar, lead and/or conductive plate shape.
5. like each described anti-thunderbolt system of claim 1 to 3; It is characterized in that; Said wind turbine comprises pitch bearing (400); It has outer shroud (420) and interior ring (450), and said anti-thunderbolt system further comprises and one or morely be arranged on the outer shroud (420) of said pitch bearing (400) or the electric guiding device (460) on the interior ring (450), so that be electrically connected to the interior ring (450) or the outer shroud (420) of said pitch bearing (400).
6. anti-thunderbolt as claimed in claim 5 system; It is characterized in that; Said anti-thunderbolt system further comprises the electricity guiding arch gap part (410) of the outer shroud (420) that is connected to said pitch bearing (400); Wherein said electricity guiding arch gap part (410) is electrically connected to said electric guiding device (460), and said electricity guiding arch gap part (410) comprises jagged end sections (510), with the guiding conducting lightning currents.
7. anti-thunderbolt as claimed in claim 5 system; It is characterized in that; Said electric guiding device (460) comprises copper shell (462) and is slidably received within the slip carbon pin (464) in the said copper shell (462); Wherein at the interior ring (450) of said pitch bearing (400) and outer shroud (420) when relative to each other rotating, said slip carbon pin (464) ring (450) or outer shroud (420) in said slide.
8. anti-thunderbolt as claimed in claim 5 system; It is characterized in that; Said electric guiding device (460) comprises the outer shroud (420) that is arranged on said pitch bearing (400) or the copper brush on the interior ring (450);, slide through interior ring (450) or outer shroud (420) against said pitch bearing (400) when relative to each other rotating at the interior ring (450) of said pitch bearing (400) and outer shroud (420), said copper brush is electrically connected to the interior ring (450) or the outer shroud (420) of said pitch bearing (400).
9. anti-thunderbolt as claimed in claim 6 system is characterized in that said electric guiding device (460) and electricity guiding arch gap part (410) are electrically connected to said outer shroud (420) or interior ring (450) by support (430).
10. like each described anti-thunderbolt system of claim 1 to 3; It is characterized in that; Said wind turbine comprises pitching cylinder body (610); And said anti-thunderbolt system comprises electric isolation mounting (630), and said pitching cylinder body (610) is connected to the interior ring (450) of said pitch bearing (400) via said electric isolation mounting.
11. anti-thunderbolt as claimed in claim 10 system; It is characterized in that; Plate (452) is connected to the interior ring (450) of said pitch bearing (400), and the end sections (612) of pitching cylinder body (610) is connected to said plate (452) by the electric isolation mounting (630) between some bolts and connecting plate (620) and said connecting plate (620) and the said plate (452).
12. anti-thunderbolt as claimed in claim 10 system is characterized in that said electric isolation mounting (630) is the isolation bearing material.
13. anti-thunderbolt as claimed in claim 10 system; It is characterized in that; Said wind turbine comprises hydraulic system (600), and said electric isolation mounting (630) further comprises the high-pressure and hydraulic pipe of the electricity isolation that is connected between inner wheel hub (200) and the said hydraulic system (600).
14. like each described anti-thunderbolt system of claim 1 to 3; It is characterized in that; Said wind turbine further comprises deflection brake (900); Said deflection brake has brake disc (910) and brake caliper housing (920), and is placed on cabin (1140) base section of kibli turbine tower (1130), and said anti-thunderbolt system further comprises the electric guiding device (960) on the brake caliper housing (920) that is arranged on said deflection brake (900).
15. anti-thunderbolt as claimed in claim 14 system; It is characterized in that; Said electric guiding device (960) comprises copper shell (962) and is slidably received within the slip carbon pin (964) in the said copper shell (962); Said slip carbon pin is electrically connected the brake disc (910) and the brake caliper housing (920) of said deflection brake (900), and wherein when said brake disc (910) rotated with respect to said brake caliper housing (920), said slip carbon pin (964) slided against said brake disc (910).
16. anti-thunderbolt as claimed in claim 14 system; It is characterized in that; Said electric guiding device (960) is connected to the brake caliper housing (920) of said break (900) by support (930), and said slip carbon pin (964) is electrically connected to said support (930) by one or more lead.
17., it is characterized in that said anti-thunderbolt system further comprises the one or more electric guiding device (1160) that is arranged on the said pylon (1130) like each described anti-thunderbolt system of claim 1 to 3.
18. anti-thunderbolt as claimed in claim 17 system; It is characterized in that; Said electric guiding device (1160) comprises the copper brush (1160) that is electrically connected to said pylon (1130) by band (1110) and one or more bolt or screw; When the base section of said cabin (1140) slided, said copper brush (1160) further was electrically connected to the base section of said cabin (1140) at said copper brush (1160).
19. anti-thunderbolt as claimed in claim 18 system is characterized in that, the length of each copper brush (1160) is 20 to 50cm, and is perhaps longer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201650329U CN202250637U (en) | 2011-05-20 | 2011-05-20 | Anti-lightning system for wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201650329U CN202250637U (en) | 2011-05-20 | 2011-05-20 | Anti-lightning system for wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250637U true CN202250637U (en) | 2012-05-30 |
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ID=46111889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201650329U Expired - Lifetime CN202250637U (en) | 2011-05-20 | 2011-05-20 | Anti-lightning system for wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788095A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | Internal gear yaw bearing capable of preventing lightening strikes |
| CN104364158A (en) * | 2012-05-31 | 2015-02-18 | 空中客车营运有限公司 | Injectable nut cap |
| CN109983221A (en) * | 2016-10-20 | 2019-07-05 | 西门子歌美飒可再生能源公司 | Connection device for wind turbine components |
-
2011
- 2011-05-20 CN CN2011201650329U patent/CN202250637U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364158A (en) * | 2012-05-31 | 2015-02-18 | 空中客车营运有限公司 | Injectable nut cap |
| CN102788095A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | Internal gear yaw bearing capable of preventing lightening strikes |
| CN109983221A (en) * | 2016-10-20 | 2019-07-05 | 西门子歌美飒可再生能源公司 | Connection device for wind turbine components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SIEMENS WIND POWER EQUIPMENT (SHANGHAI) CO.,LTD. Assignor: SIEMENS wind power Contract record no.: 2013990000176 Denomination of utility model: Anti-lightning system for wind turbine Granted publication date: 20120530 License type: Common License Record date: 20130426 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190812 Address after: Tango barley Patentee after: Siemens Gamesa Renewable Energy Address before: Munich, Germany Patentee before: Siemens AG |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |