CN204900168U - Energy recuperation device in tire - Google Patents
Energy recuperation device in tire Download PDFInfo
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- CN204900168U CN204900168U CN201520392997.XU CN201520392997U CN204900168U CN 204900168 U CN204900168 U CN 204900168U CN 201520392997 U CN201520392997 U CN 201520392997U CN 204900168 U CN204900168 U CN 204900168U
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- energy
- generator
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- gear
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model relates to an energy recuperation device in tire, including frame, hall formula angle sensor, generator, gear, connecting rod, DCDC stabiliser and energy storage device, the frame top is fixed to be set up in the wheel rim outside, and the fixed setting of casing of generator is in the frame, the electricity generation axle of generator is fixed and is worn to establish the flywheel to fix in the frame through two bracket bearings, the gear is connected through an one -way bearing to electricity generation axle in the frame, a gear engagement rack, rack one end bonds at the inner wall of tire through the one end of a hinge swing joint connecting rod, the other end of connecting rod through the top of a spring fixed connection frame, the rack other end, the one end of hinge is provided with a connecting rod angle sensor to send the connecting rod turned angle who gathers for ECU, hall formula angle sensor is fixed to be set up in the frame, and sets up relatively with the gear to send the rotation angle of the gear gathered for ECU, energy storage device is carried turn into stable output voltage through the DCDC stabiliser after to electric energy that the generator produced.
Description
Technical field
The utility model relates to a kind of energy recycle device, particularly about a kind of tire self-energy recovering device.
Background technique
Along with automotive circuit diagram, intelligentized development, vehicle safety performance is greatly improved.Automobile tire has multiple action, can ensure safe driving and comfort of passenger.But the data according to United States Department of Transportation (DOT) show, the accident more than 60% is directly or indirectly caused by tyre failure or sideslip, visible tire for automotive performance and traffic safety most important.Due to the point of contact that tire is vehicle and ground, therefore, it is possible to be used for collecting the real time information of vehicle itself and state of ground, the information of collection may be used for tire condition and monitors and Study on Vehicle Dynamic Control.Automotive industry has huge growth requirement in tire condition monitoring technology, and the intelligent tire being therefore provided with built-in sensors is applied on Hyundai Motor gradually.Intelligent tire obtains the parameter such as tire pressure, temperature, wheel weight and normal direction, longitudinal direction, side direction tire force by sensor installation in tire, thus improves vehicle safety and stability.But, due to rotating environment and the hermetic properties of tire, existing tire built-in sensors depends on powered battery and wireless system for transmitting data signal transmission more, wire harness cannot be used to power for built-in sensors, also by wired data transfer form, built-in sensors signal cannot be sent.Even if but also there is data transmission power consumption in the wireless senser of use low power consumption, makes the problem that battery life reduces.Because sensor mounting location is not easy to assemble, ensureing battery life for reducing battery altering number of times, needing the detection of limiting sensor and the number of times of transmitting data.The existing TPMS system (system for monitoring pressure in tyre) being installed on inside tires limits due to the energy of internal battery, and the frequency of transmission data is lower, can not meet the requirement of monitoring in real time far away.The wireless senser of charged pool often can not accomplish Real-Time Monitoring, therefore can affect automotive safety and handling.
Tire self-energy reclaiming system can utilize squeegee action energy by the principle such as electromagnetic induction, piezoelectric effect, also can pass through acceleration, the relative movement recovered energy of built-in recovery part that retardation produces, and recovered energy to be converted into electric energy be sensor power, thus solve powerup issue.The off-energy of dissipation can be converted into available energy by energy-recuperation system, also can realize the transmission of energy between different piece by changing form of energy, making high frequency real-time information transmission to become possibility for sensor power.A lot of research is mounting design energy-recuperation system in tire, adopts the methods such as piezoelectricity, electromagnetism or electrostatic to carry out energy regenerating, but the energy reclaimed is lower is also not enough to realize real-time Data Transmission, and energy recycle device also needs further Improvement.In addition, the vehicle stability systems of ACTIVE CONTROL needs the parameter such as side force of tire, longitudinal force, vertical force, vertical deformation, side drift angle, wherein side drift angle is to the vital parameter of vehicle performance stability Security, a lot of existing solution is the sensor adopted based on optics or sound wave, but installs and demarcate the very large difficulty of existence.Optimize vehicle stabilization control and ensure that sensor energy supply improves the very important aspect of vehicle performance.
There is applying piezoelectric effect in prior art is the device that tire inner sensor is powered, and it utilizes the vibration of tire to produce electric energy.But the restricted lifetime of piezoelectric material, and also AC/DC changeover switch is needed in its system, add the complexity of circuit.The coil also existed in prior art by installing in tire produces vibration in tire rotation process, produces electric energy by electromagnetic induction.Although it can recovered energy be sensor power, extra vehicle parameter can not be provided to provide foundation for active control system.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of tire self-energy recovering device that can reclaim tire self-energy.
For achieving the above object, the utility model takes following technological scheme: a kind of tire self-energy recovering device, is characterized in that: comprise a frame, a Hall-type angle transducer, a generator, a gear, a connecting rod, a link angle sensor, a DC/DC voltage stabilizer and an energy-storage travelling wave tube; The top of described frame is fixedly installed on outside wheel rim, and the housing of described generator is fixedly installed in described frame; The generating axle of described generator fixedly wears described flywheel, and is fixed in described frame by two stands bearing; The described generating axle being positioned at described frame connects described gear by a unilateral bearing; Described gears meshing one tooth bar, one end of described tooth bar is fixedly connected with the top of described frame by a spring, the other end of described tooth bar connects one end of described connecting rod by an articulate, and the other end of described connecting rod is bonded in the inwall of tire; One end of described hinge is provided with described link angle sensor, and the described link rotatable angle gathered sends to one to be arranged on ECU in described tire by described link angle sensor; Described Hall-type angle transducer is fixedly installed in described frame, and is oppositely arranged the angle of swing for gear described in Real-time Collection with described gear, and the angle of swing of collection is sent to described ECU by described Hall-type angle transducer; Described ECU is electrically connected a RF wireless launcher; Described generator is electrically connected described DC/DC voltage stabilizer, and described generator is transported to described energy-storage travelling wave tube and stores after the electric energy of generation is converted into stable output voltage by described DC/DC voltage stabilizer; Described energy-storage travelling wave tube is used for for the TPMS system in described Hall-type angle transducer, link angle sensor, ECU, RF wireless launcher, DC/DC voltage stabilizer and described tire is powered.
Described frame is U-shaped structure, the opening end bottom of described U-shaped structure is respectively arranged with the through hole for installing described bracket bearing, the middle part of described U-shaped structure is fixedly installed a fixed plate, described fixed plate is provided with one for fixing the through hole of described Hall-type angle transducer; One end of described fixed plate is outwards extended puts one for fixing the grip block of described generator housing.
Described energy-storage travelling wave tube adopts super capacitor group or battery.
Described generator adopts DC permanent magnetic generator.
A kind of tire self-energy recovering device, is characterized in that: comprise a frame, a Hall-type angle transducer, a generator, a gear, a connecting rod, a link angle sensor, a DC/DC voltage stabilizer and an energy-storage travelling wave tube; The top of described frame is fixedly installed on outside wheel rim, and the housing of described generator is fixedly installed in described frame; The generating axle of described generator fixedly wears described flywheel, and is fixed in described frame by two stands bearing; The described generating axle being positioned at described frame is fixedly connected with described gear; Described gears meshing one tooth bar, one end of described tooth bar is fixedly connected with the top of described frame by a spring, the other end of described tooth bar connects one end of described connecting rod by an articulate, and the other end of described connecting rod is bonded in the inwall of tire; One end of described hinge is provided with described link angle sensor, and the described link rotatable angle gathered sends to one to be arranged on ECU in described tire by described link angle sensor; Described Hall-type angle transducer is fixedly installed in described frame, and is oppositely arranged the angle of swing for gear described in Real-time Collection with described gear, and the angle of swing of collection is sent to described ECU by described Hall-type angle transducer; Described ECU is electrically connected a RF wireless launcher; The AC energy of generation is converted to direct current by an AC-DC converter by described generator, and after being converted into stable output voltage by described DC/DC voltage stabilizer, being transported to described energy-storage travelling wave tube and storing; Described energy-storage travelling wave tube is used for for the TPMS system in described Hall-type angle transducer, link angle sensor, ECU, RF wireless launcher, DC/DC voltage stabilizer and described tire is powered.
Described frame is U-shaped structure, the opening end bottom of described U-shaped structure is respectively arranged with the through hole for installing described bracket bearing, the middle part of described U-shaped structure is fixedly installed a fixed plate, described fixed plate is provided with one for fixing the through hole of described Hall-type angle transducer; One end of described fixed plate is outwards extended puts one for fixing the grip block of described generator housing.
Described energy-storage travelling wave tube adopts super capacitor group or battery.
Described generator adopts DC permanent magnetic generator.
The utility model is owing to taking above technological scheme, it has the following advantages: 1, the utility model comprises connecting rod, tooth bar, gear, flywheel, generator, energy-storage travelling wave tube, ECU (electronic control unit) and RF wireless launcher, the bonding tire inner wall in one end of connecting rod, the other end of connecting rod is connected through the hinge connection tooth bar, and rack and pinion engages; The displacement of squeegee action is passed to tooth bar by connecting rod, rack drives gear rotates, gear is connected by a unilateral bearing with the generating axle of generator, generating axle fixedly wears flywheel, when tooth bar moves downward, flywheel rotates under the drive of generating axle, thus stores kinetic energy, and generate electricity the generating of axle drive electrical generators simultaneously; When tooth bar moves upward, due to the existence of unilateral bearing, flywheel relies on the generating axle of the kinetic energy drive electrical generators stored to continue to rotate by original sense of rotation, generator is generated electricity, improves power generation duration; The power delivery of generation is entered energy-storage travelling wave tube and is stored by generator, for powering for self, therefore tire self-energy is reclaimed, and the Energy transmission density that improve, compared to traditional powered battery, solve smart tire sensor powerup issue, the energy scale reclaimed can meet the requirement that sensor sends data in real time, improves performance and the vehicle safety of active control system.2, the utility model comprises Hall-type angle transducer and link angle sensor, angle of gear sensor is used for the angle of swing of real-time gear, link angle sensor is used for the rotation angle of Real-time Collection connecting rod, and the angle of swing of collection and rotation angle are sent to ECU by Hall-type angle transducer and link angle sensor.3, the electric energy that in the utility model, the use of unilateral bearing makes generator produce is direct current energy, therefore can remove rectification circuit from, improves circuit efficiency.4, be provided with the limit spring of restriction tooth bar vertical motion between the utility model tooth bar and frame top, ensure not cause additional injury to tire when connecting rod and tire abutting edge lost efficacy, and tooth bar returning quickly can be realized, thus raise the efficiency.5, the present invention due to generating axle be fixedly connected with gear, so when the motion state of vehicle changes, tire pulls tooth bar to move downward or upward by connecting rod, thus drive and tooth bar meshed gears turn clockwise or are rotated counterclockwise, and the axle that generates electricity does synchronous rotary motion with gear, generator produces AC energy under the drive of generating axle, the AC energy of generation is converted to direct current by an AC/DC changeover switch by generator, and after being converted into stable output voltage by DC/DC voltage stabilizer, be transported to energy-storage travelling wave tube to store, thus achieve the recovery of tire self-energy.The utility model can be widely used in tire self-energy process.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment one; Wherein, (a) is schematic three dimensional views, and (b) is plan view, and (c) is the left view of (b), and (d) is (b) sectional view along A-A direction.
Fig. 3 is scheme of installation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment one:
As shown in Figures 1 to 3, the tire self-energy recovering device that the utility model provides comprises frame 1, Hall-type angle transducer 2, generator 3, ECU4, RF wireless launcher 5, flywheel 6, two stands bearing 7, unilateral bearing 8, gear 9, spring 10, tooth bar 11, connecting rod 12, link angle sensor 13, DC/DC voltage stabilizer 14, energy-storage travelling wave tube 15.
The top of frame 1 is fixedly installed on outside wheel rim 16, and the housing of generator 3 is fixedly installed in frame 1; .The generating axle 31 of generator 1 fixedly wears flywheel 6, and is fixed in frame 1 by two stands bearing 7, and two stands bearing 7, for bearing the power of generator 3 vertical direction, ensures that generating axle 31 rotates simultaneously.The generating axle 31 being positioned at frame 1 connects gear 9 by unilateral bearing 8.Gear 9 engage teeth 11, one end of tooth bar 11 is fixedly connected with the top of frame 1 by spring 10, spring 10 is for making tooth bar 11 returning quickly, make tooth bar 11 keep vertical motion simultaneously, the other end of tooth bar 11 is flexibly connected one end of connecting rod 12 by a hinge (not shown), the other end of connecting rod 12 is bonded in the inwall of tire 17; One end of hinge is provided with link angle sensor 13, and the connecting rod 12 rotation angle θ of collection is sent to the ECU4 be arranged in tire by link angle sensor 13.Hall-type angle transducer 2 is fixedly installed in frame 1, and be oppositely arranged the angle of swing for Real-time Collection gear 9 with gear 9, the angle of swing of collection is sent to ECU4 by Hall-type angle transducer 2, and ECU4 calculates the displacement size of tooth bar 11 according to gear 9 angle of swing.ECU4 calculates the size of the vertical deformation amount of tire 17, side drift angle and lateral deviation power according to the displacement size of connecting rod 12 rotation angle θ and tooth bar 11, and result of calculation is sent to extraneous master control system by RF wireless launcher 5, for the calculating of master control system and exploitation provide foundation.Generator 3 is transported to energy-storage travelling wave tube 15 and stores after the electric energy of generation is converted into stable output voltage by DC/DC voltage stabilizer 14; Energy-storage travelling wave tube 15 is for powering for TPMS system existing in Hall-type angle transducer 2, link angle sensor 13, ECU4, RF wireless launcher 5, DC/DC voltage stabilizer 14 and tire 17.
Embodiment two:
The tire self-energy recovering device that the present embodiment provides is substantially identical with embodiment one structure, and difference is: the generating axle 31 being positioned at frame 1 is fixedly connected with gear 9.
When the motion state of vehicle changes, tire 17 drivening rod 12 moves, and then pull tooth bar 11 to move downward or upward, thus drive and tooth bar 11 meshed gears 9 turn clockwise or are rotated counterclockwise, because generating axle 31 is fixedly connected with gear 9, so generating axle 31 does synchronous rotary motion with gear 9, generator 3 produces AC energy under the drive of generating axle 31, the AC energy of generation is converted to direct current by an AC/DC changeover switch by generator 3, and after being converted into stable output voltage by DC/DC voltage stabilizer 14, be transported to energy-storage travelling wave tube 15 to store.Now, flywheel 6, for balancing the rotary inertia of generating axle 31, has certain stabilization.
Frame 1 of the present utility model can adopt various structure, as shown in Figures 1 to 3, in embodiment of the present utility model, frame 1 is U-shaped structure 101, the opening end bottom of U-shaped structure 101 is respectively arranged with the through hole for mounting bracket bearing 7, the middle part of U-shaped structure 101 is fixedly installed a fixed plate 102, fixed plate 102 is provided with one for the through hole of fixing Hall-type angle transducer 2, and one end of fixed plate 102 is outwards extended puts one for the grip block 103 of fixed generator 3 housing.
In a preferred embodiment, energy-storage travelling wave tube 15 can adopt super capacitor group or battery.
In a preferred embodiment, generator 3 can adopt DC permanent magnetic generator.
The tire self-energy recovering device provided with embodiment one below describes specific works process of the present invention in detail:
Tire 17 produces lateral deviation displacement due to the motion state change of vehicle, relative movement is had between tire 17 inwall and wheel rim 16, tire 17 drivening rod 12 moves, and then be with carry-over bar 11 to move down by connecting rod 12, now unilateral bearing 8 is in self-locking state, rotate under the drive of tooth bar 11 with tooth bar 11 meshed gears 9, and then drive the flywheel 6 on generating axle 31 and generating axle 31 to rotate, the rotary motion of flywheel 6 makes flywheel 6 be provided with kinetic energy, meanwhile, the axle 31 that generates electricity rotarily drives generator 3 and generates electricity.After the electric energy that generator 3 produces is converted into stable output voltage by DC/DC voltage stabilizer 14, enters energy-storage travelling wave tube 15 and store.
Because the continuation of state of motion of vehicle changes, the displacement of tire 17 lateral deviation no longer continues to increase or start to reduce, and tire 17 reduces with the relative displacement of wheel rim 16.Tire 17 drivening rod 12 moves, and tooth bar 11 moves up, and now unilateral bearing 8 is in free state, can not be delivered to the rotary motion of tooth bar 11 meshed gears 9 axle 31 that generates electricity.Because flywheel 6 is provided with kinetic energy, therefore flywheel 6 drives generating axle 31 to continue to rotate by original sense of rotation, the electric energy that generator 3 is produced is direct current energy, the kinetic energy of flywheel 6 is converted into electric energy by generator 3 gradually, after electric energy is converted into stable output voltage by DC/DC voltage stabilizer 14, enters energy-storage travelling wave tube 15 and store.The electric energy that energy-storage travelling wave tube 15 stores can be powered for Hall-type angle transducer 2, link angle sensor 13, ECU4, RF wireless launcher 5 and the DC/DC voltage stabilizer 14 in tire 17, also can provide energy for the TPMS system of tire 17 inside or other sensory-control systems.
Meanwhile, the angle of swing of Hall-type angle transducer 2 Real-time Collection gear 9, and the angle of swing of collection is sent to ECU4, ECU4 calculates the displacement size of tooth bar 11 according to gear 9 angle of swing.Link angle sensor 13 Real-time Collection connecting rod 12 rotation angle θ, and the rotation angle θ of collection is sent to ECU4.ECU4 calculates the size of the vertical deformation amount of tire 17, side drift angle and lateral deviation power according to the displacement size of tooth bar 11 and connecting rod 12 rotation angle θ, and result of calculation is sent to extraneous master control system by RF wireless launcher 5, for the calculating of master control system and exploitation provide foundation.
The various embodiments described above are only for illustration of the utility model; wherein the structure of each parts, Placement and preparation process etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. a tire self-energy recovering device, is characterized in that: comprise a frame, a Hall-type angle transducer, a generator, a gear, a connecting rod, a link angle sensor, a DC/DC voltage stabilizer and an energy-storage travelling wave tube;
The top of described frame is fixedly installed on outside wheel rim, and the housing of described generator is fixedly installed in described frame; The generating axle of described generator fixedly wears flywheel, and is fixed in described frame by two stands bearing; The described generating axle being positioned at described frame connects described gear by a unilateral bearing; Described gears meshing one tooth bar, one end of described tooth bar is fixedly connected with the top of described frame by a spring, the other end of described tooth bar connects one end of described connecting rod by an articulate, and the other end of described connecting rod is bonded in the inwall of tire; One end of described hinge is provided with described link angle sensor, and the described link rotatable angle gathered sends to one to be arranged on ECU in described tire by described link angle sensor;
Described Hall-type angle transducer is fixedly installed in described frame, and is oppositely arranged the angle of swing for gear described in Real-time Collection with described gear, and the angle of swing of collection is sent to described ECU by described Hall-type angle transducer;
Described ECU is electrically connected a RF wireless launcher; Described generator is electrically connected described DC/DC voltage stabilizer, and described generator is transported to described energy-storage travelling wave tube and stores after the electric energy of generation is converted into stable output voltage by described DC/DC voltage stabilizer; Described energy-storage travelling wave tube is used for for the TPMS system in described Hall-type angle transducer, link angle sensor, ECU, RF wireless launcher, DC/DC voltage stabilizer and described tire is powered.
2. a kind of tire self-energy recovering device as claimed in claim 1, it is characterized in that: described frame is U-shaped structure, the opening end bottom of described U-shaped structure is respectively arranged with the through hole for installing described bracket bearing, the middle part of described U-shaped structure is fixedly installed a fixed plate, described fixed plate is provided with one for fixing the through hole of described Hall-type angle transducer; One end of described fixed plate is outwards extended puts one for fixing the grip block of described generator housing.
3. a kind of tire self-energy recovering device as claimed in claim 1, is characterized in that: described energy-storage travelling wave tube adopts super capacitor group or battery.
4. a kind of tire self-energy recovering device as claimed in claim 2, is characterized in that: described energy-storage travelling wave tube adopts super capacitor group or battery.
5. a kind of tire self-energy recovering device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described generator adopts DC permanent magnetic generator.
6. a tire self-energy recovering device, is characterized in that: comprise a frame, a Hall-type angle transducer, a generator, a gear, a connecting rod, a link angle sensor, a DC/DC voltage stabilizer and an energy-storage travelling wave tube;
The top of described frame is fixedly installed on outside wheel rim, and the housing of described generator is fixedly installed in described frame; The generating axle of described generator fixedly wears flywheel, and is fixed in described frame by two stands bearing; The described generating axle being positioned at described frame is fixedly connected with described gear; Described gears meshing one tooth bar, one end of described tooth bar is fixedly connected with the top of described frame by a spring, the other end of described tooth bar connects one end of described connecting rod by an articulate, and the other end of described connecting rod is bonded in the inwall of tire; One end of described hinge is provided with described link angle sensor, and the described link rotatable angle gathered sends to one to be arranged on ECU in described tire by described link angle sensor;
Described Hall-type angle transducer is fixedly installed in described frame, and is oppositely arranged the angle of swing for gear described in Real-time Collection with described gear, and the angle of swing of collection is sent to described ECU by described Hall-type angle transducer;
Described ECU is electrically connected a RF wireless launcher; The AC energy of generation is converted to direct current by an AC-DC converter by described generator, and after being converted into stable output voltage by described DC/DC voltage stabilizer, being transported to described energy-storage travelling wave tube and storing; Described energy-storage travelling wave tube is used for for the TPMS system in described Hall-type angle transducer, link angle sensor, ECU, RF wireless launcher, DC/DC voltage stabilizer and described tire is powered.
7. a kind of tire self-energy recovering device as claimed in claim 6, it is characterized in that: described frame is U-shaped structure, the opening end bottom of described U-shaped structure is respectively arranged with the through hole for installing described bracket bearing, the middle part of described U-shaped structure is fixedly installed a fixed plate, described fixed plate is provided with one for fixing the through hole of described Hall-type angle transducer; One end of described fixed plate is outwards extended puts one for fixing the grip block of described generator housing.
8. a kind of tire self-energy recovering device as claimed in claim 6, is characterized in that: described energy-storage travelling wave tube adopts super capacitor group or battery.
9. a kind of tire self-energy recovering device as claimed in claim 7, is characterized in that: described energy-storage travelling wave tube adopts super capacitor group or battery.
10. a kind of tire self-energy recovering device as described in claim 6 or 7 or 8 or 9, is characterized in that: described generator adopts DC permanent magnetic generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392997.XU CN204900168U (en) | 2015-06-09 | 2015-06-09 | Energy recuperation device in tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392997.XU CN204900168U (en) | 2015-06-09 | 2015-06-09 | Energy recuperation device in tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900168U true CN204900168U (en) | 2015-12-23 |
Family
ID=54922350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392997.XU Active CN204900168U (en) | 2015-06-09 | 2015-06-09 | Energy recuperation device in tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900168U (en) |
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2015
- 2015-06-09 CN CN201520392997.XU patent/CN204900168U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |