CN201956795U - Flywheel energy storage device - Google Patents
Flywheel energy storage device Download PDFInfo
- Publication number
- CN201956795U CN201956795U CN2011200393341U CN201120039334U CN201956795U CN 201956795 U CN201956795 U CN 201956795U CN 2011200393341 U CN2011200393341 U CN 2011200393341U CN 201120039334 U CN201120039334 U CN 201120039334U CN 201956795 U CN201956795 U CN 201956795U
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- bearing
- motor
- flywheel body
- magnet
- permanent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
- F16C39/066—Permanent magnets with opposing permanent magnets repelling each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/55—Flywheel systems
Abstract
The utility model discloses a flywheel energy storage device, which comprises a flywheel body adopting a vertical structure, an upper bearing, a lower bearing and a motor, wherein an upper transmission shaft of the flywheel body is in fit with the upper bearing, and a lower transmission shaft of the flywheel body is in fit with the lower bearing; and the motor is connected to one end of the flywheel body. The flywheel energy storage device further comprises a permanent magnet bearing, wherein an upper magnetic ring of the permanent magnet bearing is fixed on the lower end face of the flywheel body, and a lower magnetic ring of the permanent magnet bearing is fixed on a lower bearing fixing plate; moreover, the upper and lower magnetic ring of the permanent magnet bearing correspond to each other; and an axial gap is reserved between the upper and lower magnetic rings of the permanent magnet bearing. A stator of the motor is positioned above a rotor of the motor, and is fixed on a stand. The rotor of the motor is fixed on the upper end face of the flywheel body. Moreover, the stator and rotor of the motor correspond to each other. The axial gap is reserved between the stator and rotor of the motor. The flywheel energy storage device with the structure has a small volume and anti-overturning capability, and is favorable for reducing the bearing capacity of the bearings.
Description
Technical field
The utility model belongs to the power storage technical field, and specifically, what relate to is a kind of energy accumulation device for fly wheel.
Background technology
Energy accumulation device for fly wheel positive excess at a high speed, high-power direction develops, it is increasing that the volume of flywheel is just becoming.But from domestic and international technical market, energy accumulation device for fly wheel still uses the motor of radial air gap widely, should see that the radial air gap motor volume is big, this has just increased the volume of big capacity accumulated energy flywheel device all the more, therefore, the volume that how to reduce big capacity accumulated energy flywheel is one of key technology of flywheel research and development.Simultaneously, from support pattern, electromagnetic suspension bearing, super-conductive magnetic suspension bearing, permanent-magnet suspension bearing etc. have become the main flow support pattern of energy accumulation device for fly wheel.Though above support pattern has satisfied the high rotating speed and the low-power consumption requirement of accumulated energy flywheel to a certain extent, but comparatively distinct issues have also been brought: the TT﹠C system complexity of electromagnetic suspension bearing, maintenance cost is higher, magnetic bearing itself also needs power supply in addition, the integral energy conversion efficiency that this has just reduced flywheel energy storage system has reduced the energy storage cost performance; Hts magnetic levitation bearing need make up low temperature environment, has increased operating cost significantly, causes the integral energy conversion efficiency of flywheel energy storage system to descend equally; The inhibition ability that permanent-magnet suspension bearing encourages to external world is relatively poor, depends merely on permanent-magnet suspension bearing itself and can't realize full suspension.
Summary of the invention
Technical problem: technical problem to be solved in the utility model is: a kind of energy accumulation device for fly wheel is provided, and this energy accumulation device for fly wheel has the little advantage of volume, and the bearing in this device is axially little with the bearing pressure that directly makes progress.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Energy accumulation device for fly wheel of the present utility model, comprise the flywheel body that is provided with power transmission shaft and lower drive shaft that adopts vertical structure, upper bearing (metal), lower bearing and motor, the last power transmission shaft and the upper bearing (metal) of flywheel body match, the lower drive shaft and the lower bearing of flywheel body match, motor is connected an end of flywheel body, also comprise Permanent-magnet bearing, the upper magnetic ring of Permanent-magnet bearing is fixed on the lower surface of flywheel body, the following magnet ring of Permanent-magnet bearing is fixed on the lower bearing fixed head, and, the upper magnetic ring of Permanent-magnet bearing is corresponding mutually with the following magnet ring of Permanent-magnet bearing, between the following magnet ring of the upper magnetic ring of Permanent-magnet bearing and Permanent-magnet bearing end play is arranged; The stator of described motor is positioned at the top of the rotor of motor, the stator of motor is fixed on the frame, and the rotor of motor is fixed on the upper surface of flywheel body, and, the stator of motor is corresponding mutually with the rotor of motor, between the stator of motor and the rotor of motor end play is arranged.
Described upper bearing (metal) is to go up hybrid ceramic ball bearing, and the described power transmission shaft of going up is to go up elastic shaft, and last elastic shaft is stepped; The partial fixing that diameter is bigger in the upper surface of described flywheel body and the last elastic shaft is connected, and the less part of diameter is embedded in the inner surface of hybrid ceramic ball bearing in the last elastic shaft; Described lower bearing is following hybrid ceramic ball bearing, and described lower drive shaft is following elastic shaft, and following elastic shaft is a multidiameter; The partial fixing that diameter is bigger in the lower surface of described flywheel body and the following elastic shaft is connected, and the less part of diameter is embedded in down in the inner surface of hybrid ceramic ball bearing in the following elastic shaft.
Described energy accumulation device for fly wheel also comprises the elasticity mouse cage, and the elasticity mouse cage is arranged in the pit on lower bearing fixed head top, and the elasticity mouse cage is fixedlyed connected with the lower bearing fixed head; Fill lubricating oil in the pit on lower bearing fixed head top; The described outer surface of hybrid ceramic ball bearing down and the inner surface of elasticity mouse cage match.
Beneficial effect: compared with prior art, adopt the beneficial effect of technical solutions of the utility model to be: 1. the energy accumulation device for fly wheel volume is little, has resistance to capsizing simultaneously, helps to reduce the bearing capacity of bearing.In the technical program, the arrangement of motor on energy accumulation device for fly wheel is to adopt the axial air-gap mode.Commonly used is the arrangement that motor is adopted radial air gap on energy accumulation device for fly wheel at present.Compare with the motor of radial air gap, the technical advantage of the motor of axial air-gap is: the motor axial dimension of the axial air-gap of equal power will be much smaller than the motor of radial air gap, and the volume of whole like this energy accumulation device for fly wheel reduces with regard to corresponding.Simultaneously, the motor of axial air-gap can be used as the auxiliary bearing of flywheel body, has certain axial carrying capacity and bearing capacity radially.Can guarantee that at the Permanent-magnet bearing below the flywheel body stator of motor and the distance between the rotor are positioned within the operating distance.Simultaneously, Permanent-magnet bearing also has resistance to capsizing, is the lower bearing unloading, helps to reduce the bearing capacity of lower bearing.
2. reduce the friction power loss of bearing.In the technical program, upper bearing (metal) and lower bearing all adopt hybrid ceramic ball bearing.Compare with the bearing of other materials, hybrid ceramic ball bearing can reduce the friction power loss of bearing, prolongs the useful life of bearing.
3. whole energy accumulation device for fly wheel passes through critical whirling speed smoothly reposefully.In the technical program, the bigger part of diameter in the fixedly connected upward elastic shaft in the upper surface of flywheel body, the less part of middle diameter of last elastic shaft is embedded in the inner surface of hybrid ceramic ball bearing.The bigger part of diameter in the fixedly connected elastic shaft down in the lower surface of flywheel body, the less part of diameter is embedded in down in the inner surface of hybrid ceramic ball bearing in the following elastic shaft, and hybrid ceramic ball bearing is arranged in the elasticity mouse cage down.According to the quality of flywheel body, reasonably choose the length and the diameter of elastic shaft and following elastic shaft, the geometric parameter of design flexibility mouse cage, the first critical speed that makes energy accumulation device for fly wheel form flexible flywheel rotor device far below working speed.The energy accumulation device for fly wheel of this structure can obtain the reasonable distribution of combined critical speed, makes that flywheel passes through behind the lower first critical speed self-centering is implemented in the stable operation in the wide range speed scope under the second order critical whirling speed.
4. the long service life of hybrid ceramic ball bearing.In the technical program, the motor of axial air-gap and Permanent-magnet bearing can reduce the radial load that acts on the hybrid ceramic ball bearing significantly.Because useful life of hybrid ceramic ball bearing is radial load cube function, so the technical program can prolong hybrid ceramic ball bearing useful life significantly.
5. simple in structure, cost is low, be easy to safeguard.Compare the technical advantage that the flexible hybrid ceramic ball bearing energy accumulation device for fly wheel that the technical program adopts has is simple in structure, cost is low, be easy to safeguard with electromagnetic suspension bearing, the super-conductive magnetic suspension bearing flywheel device of current popular.
Description of drawings
Fig. 1 is a structure cutaway view of the present utility model.
Fig. 2 is the Permanent-magnet bearing upper magnetic ring upward view in the utility model.
Have among the figure: upper bearing (metal) fixed head 1, go up retainer ring 2, go up hybrid ceramic ball bearing 3, the following magnet ring 9 of the upper magnetic ring 8 of the rotor 6 of the stator 5 of going up elastic shaft 4, motor, motor, flywheel body 7, Permanent-magnet bearing, Permanent-magnet bearing, lower bearing fixed head 10, vacuum tank 11, elastic shaft 12, lubricating oil 13, retainer ring 14, hybrid ceramic ball bearing 15, elasticity mouse cage 16, ring plate 801 down down down.
Embodiment
As shown in Figure 1: a kind of energy accumulation device for fly wheel of the present utility model comprises the flywheel body 7, upper bearing (metal), lower bearing, motor and the Permanent-magnet bearing that are provided with power transmission shaft and lower drive shaft that adopt vertical structure.Flywheel body 7 adopts metal material to make.So-called vertical structure is a vertical line with regard to the axis that is meant flywheel body 7.Motor both can have been worked as motor drives flywheel body 7 and rotated, and converted electrical energy into kinetic energy, also can work as generator, and the kinetic energy of the flywheel body 7 of high speed rotating is converted to electric energy.The upper surface of flywheel body 7 is fixedly connected with power transmission shaft, and power transmission shaft matches with upper bearing (metal) on this.The lower surface of flywheel body 7 is fixedly connected with lower drive shaft, and this lower drive shaft matches with lower bearing.Flywheel body 7 is between upper bearing (metal) and lower bearing.The upper magnetic ring 8 of Permanent-magnet bearing is fixed on the lower surface of flywheel body 7, the following magnet ring 9 of Permanent-magnet bearing is fixed on the lower bearing fixed head 10, and, the upper magnetic ring 8 of Permanent-magnet bearing is corresponding mutually with the following magnet ring of Permanent-magnet bearing 9, between the upper magnetic ring 8 of Permanent-magnet bearing and the following magnet ring 9 of Permanent-magnet bearing end play is arranged.The upper magnetic ring 8 of Permanent-magnet bearing and the following magnet ring 9 of Permanent-magnet bearing have been formed a Permanent-magnet bearing jointly.The stator 5 of motor is fixed on the frame, and the rotor 6 of motor is fixed on the upper surface of flywheel body 7, and the stator 5 of motor is corresponding mutually with the rotor of motor 6.Between the stator 5 of motor and the rotor 6 of motor end play is arranged.
The energy accumulation device for fly wheel of said structure is arranged on the Permanent-magnet bearing of flywheel body 7 belows, can guarantee that the distance between the rotor 6 of the stator 5 of motor and motor is positioned within the operating distance.Initial when electrical power, the stator 5 of motor is too far away with the distance of the rotor 6 of motor, can not work.Permanent-magnet bearing can guarantee that the distance between the rotor 6 of the stator 5 of motor and motor is positioned within the operating distance, makes the motor operate as normal.Simultaneously, Permanent-magnet bearing can provide certain axial rigidity, has resistance to capsizing, reduces the axial load on the energy accumulation device for fly wheel bearing.The arrangement of motor on energy accumulation device for fly wheel is to adopt the axial air-gap mode.Commonly used is the arrangement that motor is adopted radial air gap on energy accumulation device for fly wheel at present.The arrangement of radial air gap is that the rotor with motor is fixed on the last power transmission shaft or lower drive shaft of flywheel body, and the stator of motor is fixed on upper bearing (metal) fixed head or the lower bearing fixed head.Compare with the motor of radial air gap, the technical advantage of the motor of axial air-gap is: the motor axial dimension of the axial air-gap of equal power will be much smaller than the motor of radial air gap, and the volume of whole like this energy accumulation device for fly wheel reduces with regard to corresponding.Simultaneously, the motor of axial air-gap can be used as the auxiliary bearing of flywheel body, has certain axial carrying capacity and bearing capacity radially.Because the motor of axial air-gap and the acting in conjunction of Permanent-magnet bearing, lay down most of load of flywheel body 7, significantly reduce the axial load of lower bearing, can reach and reduce friction, the effect of reduction power consumption and life-saving.
Further, as shown in Figure 2, the upper magnetic ring 8 of described Permanent-magnet bearing be by the identical ring plate of eight block sizes 801 along the annulus of circumferentially lining up, and the S utmost point of every ring plate 801 is from the top down or is from bottom to top to the sensing of the N utmost point.The S utmost point of every ring plate 801 is from the top down or is from bottom to top to the sensing of the N utmost point, that is to say the following magnet ring 9 corresponding one sides of ring plate 801 and Permanent-magnet bearing, is the N utmost point or is the S utmost point.Upper magnetic ring 8 does not adopt integral type, but the annulus of forming by the identical ring plate 801 of eight block sizes.Can reduce the hoop tension stress of magnetic material when high speed rotating so significantly, guarantee the hoop intensity of the upper magnetic ring 8 of Permanent-magnet bearing, thereby guarantee that under high rotating speed large-sized Permanent-magnet bearing still can stable operation.
Further, upper bearing (metal) and lower bearing all adopt hybrid ceramic ball bearing.Upper bearing (metal) is to go up hybrid ceramic ball bearing 3.Last power transmission shaft is to go up elastic shaft 4.Last elastic shaft 4 is multidiameters.Last elastic shaft 4 comprises two sections axles that diameter is different.The partial fixing that diameter is bigger in the upper surface of flywheel body 7 and the last elastic shaft 4 is connected, and the less part of diameter is embedded in the inner surface of hybrid ceramic ball bearing 3 in the last elastic shaft 4.Lower bearing is following hybrid ceramic ball bearing 15.Lower drive shaft is following elastic shaft 12, and following elastic shaft 12 also is a multidiameter.Following elastic shaft 12 comprises two sections axles that diameter is different.The partial fixing that diameter is bigger in the lower surface of flywheel body 7 and the following elastic shaft 12 is connected, and the less part of diameter is embedded in down in the inner surface of hybrid ceramic ball bearing 15 in the following elastic shaft 12.Adopt hybrid ceramic ball bearing, can significantly reduce the friction power loss of bearing.Wherein, adopt matched in clearance between last elastic shaft 4 and the last hybrid ceramic ball bearing 3, and, the end face of the part that diameter is bigger in the last elastic shaft 4 to the distance of upper bearing (metal) fixed head 1 bottom surface less than the end play between the rotor 6 of the stator 5 of motor and motor.The end face of the part that diameter is bigger in the last elastic shaft 4 is to the distance between upper bearing (metal) fixed head 1 bottom surface, the i.e. T that indicates among Fig. 1.The end face of the part that diameter is bigger in the last elastic shaft 4 is to the distance of upper bearing (metal) fixed head 1 bottom surface, less than the end play between the rotor 6 of the stator 5 of motor and motor, the damage that can alleviate even avoid the collision that in transportation or assembling process, takes place that motor is caused.
Further, described energy accumulation device for fly wheel also comprises elasticity mouse cage 16, and elasticity mouse cage 16 is arranged in the pit on lower bearing fixed head 10 tops, and elasticity mouse cage 16 is fixedlyed connected with lower bearing fixed head 10; Fill lubricating oil 13 in the pit on lower bearing fixed head 10 tops.The described outer surface of hybrid ceramic ball bearing 15 down and the inner surface of elasticity mouse cage 16 match.Lubricating oil 13, elasticity mouse cage 16 and squeeze film damper of following hybrid ceramic ball bearing 15 common compositions.After assembling, following hybrid ceramic ball bearing 15 is immersed in the lubricating oil 13.Can guarantee that so whole flywheel passes through critical whirling speed smoothly reposefully.Flywheel body 7 is bearing on the hybrid ceramic ball bearing of a pair of angular contact by last elastic shaft 4 and following elastic shaft 12.According to the quality of flywheel body 7, reasonably choose the length and the diameter of elastic shaft 4 and following elastic shaft 12, the geometric parameter of design flexibility mouse cage 16, the first critical speed that makes energy accumulation device for fly wheel form flexible flywheel rotor device far below working speed.The energy accumulation device for fly wheel of this structure can obtain the reasonable distribution of combined critical speed, makes that flywheel passes through behind the lower first critical speed self-centering is implemented in the stable operation in the wide range speed scope under the second order critical whirling speed.
Further, energy accumulation device for fly wheel also comprises retainer ring 14 down, and following retainer ring 14 is embedded in the elasticity mouse cage 16, and, touch mutually the bottom surface, outer ring of the end face of following retainer ring 14 and following hybrid ceramic ball bearing 15, and touch mutually the inwall bottom surface of the bottom surface of following retainer ring 14 and elasticity mouse cage 16.Following retainer ring 14 can play position-limiting action.Because the restriction of retainer ring 14 down, the following hybrid ceramic ball bearing 15 of institute can not move down when work, guarantees the safe operation of whole energy accumulation device for fly wheel.
Further, described energy accumulation device for fly wheel also comprises retainer ring 2, and last retainer ring 2 is coaxial with flywheel body 7, and last retainer ring 2 is embedded on the inwall of upper bearing (metal) fixed head 1, and upward touch mutually with the outer ring end face of last hybrid ceramic ball bearing 3 bottom surface of retainer ring 2.The axial location that retainer ring 2 can be used for fixing upper bearing (metal) is set, and is beneficial to the dismounting upper bearing (metal).
Further, described flywheel body 7, upper bearing (metal), lower bearing and motor are arranged in vacuum tank 11.Be arranged in the vacuum tank 11, can reduce the windage loss in the whole energy accumulation device for fly wheel running.
Claims (8)
1. energy accumulation device for fly wheel, comprise the flywheel body (7) that is provided with power transmission shaft and lower drive shaft that adopts vertical structure, upper bearing (metal), lower bearing and motor, the last power transmission shaft and the upper bearing (metal) of flywheel body (7) match, the lower drive shaft and the lower bearing of flywheel body (7) match, motor is connected an end of flywheel body (7), it is characterized in that, also comprise Permanent-magnet bearing, the upper magnetic ring of Permanent-magnet bearing (8) is fixed on the lower surface of flywheel body (7), the following magnet ring (9) of Permanent-magnet bearing is fixed on the lower bearing fixed head (10), and, the upper magnetic ring of Permanent-magnet bearing (8) is corresponding mutually with the following magnet ring (9) of Permanent-magnet bearing, between the following magnet ring (9) of upper magnetic ring of Permanent-magnet bearing (8) and Permanent-magnet bearing end play is arranged; The stator of described motor (5) is positioned at the top of the rotor (6) of motor, the stator of motor (5) is fixed on the frame, the rotor of motor (6) is fixed on the upper surface of flywheel body (7), and, the stator of motor (5) is corresponding mutually with the rotor (6) of motor, between the rotor (6) of stator of motor (5) and motor end play is arranged.
2. according to the described energy accumulation device for fly wheel of claim 1, it is characterized in that, the upper magnetic ring of described Permanent-magnet bearing (8) be by the identical ring plate of eight block sizes (801) along the annulus circumferentially lined up, and the S utmost point of every ring plate (801) is from the top down or is from bottom to top to the sensing of the N utmost point.
3. according to claim 1 or 2 described energy accumulation device for fly wheel, it is characterized in that described upper bearing (metal) is to go up hybrid ceramic ball bearing (3), the described power transmission shaft of going up is to go up elastic shaft (4), and last elastic shaft (4) is stepped; The partial fixing that diameter is bigger in the upper surface of described flywheel body (7) and the last elastic shaft (4) is connected, and the middle less part of diameter of last elastic shaft (4) is embedded in the inner surface of hybrid ceramic ball bearing (3); Described lower bearing is following hybrid ceramic ball bearing (15), and described lower drive shaft is following elastic shaft (12), and following elastic shaft (12) is a multidiameter; The partial fixing that diameter is bigger in the lower surface of described flywheel body (7) and the following elastic shaft (12) is connected, and the middle less part of diameter of following elastic shaft (12) is embedded in down in the inner surface of hybrid ceramic ball bearing (15).
4. according to the described energy accumulation device for fly wheel of claim 3, it is characterized in that, also comprise elasticity mouse cage (16), elasticity mouse cage (16) is arranged in the pit on lower bearing fixed head (10) top, and elasticity mouse cage (16) is fixedlyed connected with lower bearing fixed head (10); Fill lubricating oil (13) in the pit on lower bearing fixed head (10) top; The described outer surface of hybrid ceramic ball bearing (15) down and the inner surface of elasticity mouse cage (16) match.
5. according to the described energy accumulation device for fly wheel of claim 4, it is characterized in that, between described upward elastic shaft (4) and the last hybrid ceramic ball bearing (3) is matched in clearance, and, the end face of the part that diameter is bigger in the last elastic shaft (4) to the distance of upper bearing (metal) fixed head (1) bottom surface less than the end play between the rotor (6) of the stator (5) of motor and motor.
6. according to the described energy accumulation device for fly wheel of claim 5, it is characterized in that, also comprise retainer ring (14) down, following retainer ring (14) is embedded in the elasticity mouse cage (16), and, the end face of following retainer ring (14) touches mutually with the bottom surface, outer ring of following hybrid ceramic ball bearing (15), and touch mutually with the inwall bottom surface of elasticity mouse cage (16) bottom surface of following retainer ring (14).
7. according to the described energy accumulation device for fly wheel of claim 6, it is characterized in that, also comprise retainer ring (2), last retainer ring (2) is embedded on the inwall of upper bearing (metal) fixed head (1), and upward touch mutually with the outer ring end face of last hybrid ceramic ball bearing (3) bottom surface of retainer ring (2).
8. according to the described energy accumulation device for fly wheel of claim 7, it is characterized in that also comprise vacuum tank (11), described flywheel body (7), upper bearing (metal), lower bearing and motor are arranged in vacuum tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200393341U CN201956795U (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200393341U CN201956795U (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956795U true CN201956795U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200393341U Expired - Lifetime CN201956795U (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201956795U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122860A (en) * | 2011-02-16 | 2011-07-13 | 东南大学 | Flywheel energy storage device |
| WO2016041987A3 (en) * | 2014-09-15 | 2016-09-15 | Wattsup Power A/S | Flywheel energy storage systems |
| EP3179610A1 (en) * | 2015-12-11 | 2017-06-14 | Flyconver Co., Ltd. | Flywheel, manufacturing method thereof, and power generating apparatus |
| CN107820662A (en) * | 2015-06-26 | 2018-03-20 | 安珀动力能源公司 | The safety assembled of flywheel and installation |
| WO2019076419A1 (en) * | 2017-10-22 | 2019-04-25 | Maersk Drilling A/S | Flywheel systems and flywheel bearing modules |
| CN111226378A (en) * | 2017-10-22 | 2020-06-02 | 马士基钻探股份公司 | Flywheel system and flywheel bearing module |
-
2011
- 2011-02-16 CN CN2011200393341U patent/CN201956795U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122860A (en) * | 2011-02-16 | 2011-07-13 | 东南大学 | Flywheel energy storage device |
| CN102122860B (en) * | 2011-02-16 | 2013-02-13 | 东南大学 | Flywheel energy storage device |
| WO2016041987A3 (en) * | 2014-09-15 | 2016-09-15 | Wattsup Power A/S | Flywheel energy storage systems |
| CN107820662A (en) * | 2015-06-26 | 2018-03-20 | 安珀动力能源公司 | The safety assembled of flywheel and installation |
| EP3179610A1 (en) * | 2015-12-11 | 2017-06-14 | Flyconver Co., Ltd. | Flywheel, manufacturing method thereof, and power generating apparatus |
| US10498209B2 (en) | 2015-12-11 | 2019-12-03 | Flyconver Co., Ltd. | Flywheel, manufacturing method thereof, and power generating apparatus |
| WO2019076419A1 (en) * | 2017-10-22 | 2019-04-25 | Maersk Drilling A/S | Flywheel systems and flywheel bearing modules |
| CN111226378A (en) * | 2017-10-22 | 2020-06-02 | 马士基钻探股份公司 | Flywheel system and flywheel bearing module |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |