CN204961669U - Liquid electricity is presented can formula semi active contro shock absorber system - Google Patents
Liquid electricity is presented can formula semi active contro shock absorber system Download PDFInfo
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- CN204961669U CN204961669U CN201520411243.4U CN201520411243U CN204961669U CN 204961669 U CN204961669 U CN 204961669U CN 201520411243 U CN201520411243 U CN 201520411243U CN 204961669 U CN204961669 U CN 204961669U
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Abstract
The utility model relates to a liquid electricity is presented can formula semi active contro shock absorber system, mainly include by the hydraulic pressure working cylinder, the oil storage jar, a piston, the hollow piston pole, the compression valve, binocular hydraulic pressure damping module that the surge valve constituted and by hollow piston pole adapter, the energy storage ware, oil storage jar adapter, hydraulic pressure is presented can the pipeline, hydraulic motor, an electric generator, the liquid electricity that the load control circuit constitutes is presented can control module, it has a round hole to bore on one side outer wall of oil storage jar, through this round hole welding oil storage jar adapter, hydraulic motor passes through the shaft coupling and links to each other with the generator, generator and load control circuit connection and regulation. The utility model discloses profitable effect: the utility model discloses can reform transform based on traditional binocular hydraulic damper and form, to under the shock absorber damping characteristic basic demand prerequisite, can retrieve the mechanical energy that the suspension vibration dissipated reaching the vehicle, make it convert the electric energy into, reach the energy -conserving purpose of vehicle, and can realize the semi active contro of damping force, promote the ride performance of vehicle.
Description
Technical field
The utility model belongs to vehicle suspension vibration damper systems technology field, particularly relates to a kind of electrohydraulic energy-regenerative type semi-active control damper system.
Background technique
Vehicle can be subject to the Persistent Excitation of uneven road surface in the process of moving, causes the vertical vibration of sprung weight and the consecutive variations of tyre dynamic load lotus, directly affects smoothness and the control stability of vehicle.Conventional fluid torque vibration damper is that the relative movement mechanical energy of sprung weight and unsprung weight is converted into thermal dissipation by damping function.And energy regenerative suspension this part vibration mechanical energy is converted into hydraulic energy or electric energy, other equipment use on supply vehicle, thus reach the object reducing vehicle energy and consume.
The structural type of current vehicle energy regenerative suspension system is mainly divided into mechanical hydraulic-pressure type energy regenerative (comprising crank-linkage type, quiet liquid energy-storage type), electromagnetic type energy regenerative (comprising electromagnetic coil induction type, pinion and-rack, Ball screw type, linear motor type) and liquid to reply box-like energy regenerative by cable.Electrohydraulic energy-regenerative type semi-active control vibration damper belong to liquid reply by cable box-like, comprise bitubular liquid-springing module and liquid electricity energy regenerative control module, the movement progress oil hydraulic motor of work fluid in oil duct is utilized to rotate, thus the rotation motion of driven rotary motor, thus the mechanical vibrational energy between vehicle body and wheel is converted into electric energy.Through the large quantity research of scientific research personnel, existing various energy regenerative suspensions still have some shortcomings, cannot reach the usage requirement of traditional vibration damper; The good combination property of the electrohydraulic energy-regenerative type semi-active control vibration damper that the utility model proposes, practical.
Chinese patent 1626370A designs and adopts ball wire rod mechanism, is the rotary motion of motor by the transform linear motion between spring carried mass and nonspring carried mass.Energy feed system is made up of ball wire rod mechanism and motor, in the running process of vehicle, by the energy storage of recovery at battery.Along with the Persistent Excitation of uneven road surface, power feeding shock absorber makes compression movement and stretching exercise, and ball nut moves up and down vertically, drives ball screw and rotor to do positive and negative rotation.According to body vibrations state, circuit for controlling motor makes motor be in electronic or braking state, thus the body vibrations of active attenuation uneven road surface generation and impact.Traditional Hydrodynamic unit is replaced to mechanical device by Ball screw type energy regenerative suspension, and the shortcoming of this structural type is the existence due to transmission system internal void, and the frequency response function of energy feed system to high-frequency signal is non-vanishing.Therefore, under Ball screw type energy regenerative is suspended in the excitation of low frequency large amplitude, suspension performance and energy recovery efficiency are better, and when being subject to high frequency pumping, suspension performance is undesirable, and energy recovery efficiency is lower.
Chinese patent CN101749353A designs the hydraulic pressure rectifier bridge of employing four one-way valve compositions, and forming " machine-electricity-liquid " integrated liquid electricity energy feed system, is the flowing of liquid by the transform linear motion between spring carried mass and nonspring carried mass.No matter be compression movement and stretching exercise, after one-way valve hydraulic pressure rectifier bridge, liquid is all in the same direction by oil hydraulic motor, and drive electrical generators generates electricity.The program can make oil hydraulic motor rotate in the same direction all the time, and generator is in higher working efficiency, and the whole efficiency of liquid electricity energy feed system is higher.But the opening and closing of one-way valve relies on the fluid pressure of front end and back end completely, during piston movement commutation, liquid is comparatively large to the impact of one-way valve, affects the operating life of one-way valve.Because oil hydraulic cylinder rod chamber is different with the Volume Changes of rodless cavity, the damping force of compression stroke is caused to be greater than the damping force upheld and formed, contrary with the external characteristics of conventional fluid torque vibration damper, be not easy to practical engineering application.
Chinese patent CN103244495A designs and adopts automatically controlled rectifying valve, the pressure signal that control unit gathers by comparing the upper and lower cavity pressure sensor of piston, judge rectifying valve front end flow direction, by solenoid valve, rectifying valve valve element position is controlled, rectification is carried out to the liquid flowed out in vibration damper cylinder barrel, liquid stream after rectification drives oil hydraulic motor to rotate along a direction all the time, and drive electrical generators generates electricity under being in greater efficiency state, thus realizes vibrating machine energy and be converted into electric energy.But vehicle is subject to the Persistent Excitation of uneven road surface in the process of moving, cause reciprocating compression motion and the stretching exercise of spring carried mass, automatically controlled rectifying valve is in continuous print adjustment state, greatly reduces its working life.Meanwhile, once automatically controlled rectifying valve operational failure, the usability of this vibration damper is difficult to the driving requirements meeting vehicle.
Being carried out presenting in the middle of recoverable device by vibrating machine energy above, there is the problem that rotor switches along with the to-and-fro motion sense of rotation positive and negative alternate of suspension in Chinese patent 1626370A, produces a large amount of inertia losses, reduces the generating efficiency of motor.Chinese patent CN101749353A and Chinese patent CN103244495A adopts the structure of valve to solve the problem of the positive anti-switching of rotor sense of rotation, improve the working efficiency of generator, but certain non-return valve operational actual effect of hydraulic pressure rectifier bridge, system can be caused normally to work, be not easy to maintenance simultaneously; Utilize automatically controlled rectifying valve can reduce the hydraulic energy loss of hydraulic pressure rectifier bridge generation, but high requirement is proposed to its working life, be not suitable for long-time actual use.
Model utility content
The purpose of this utility model is the deficiency overcoming prior art existence, and a kind of electrohydraulic energy-regenerative type semi-active control damper system is provided, can form based on traditional double-cylinder hydraulic damper transformation, reaching vehicle under resistance of shock absorber characteristic basic demand prerequisite, the mechanical energy that suspension vibration dissipates can be reclaimed, make it be converted to electric energy, reach the object of automobile energy-saving; And the semi-active control of damping force can be realized, the run smoothness of lifting vehicle.
The purpose of this utility model has been come by following technical solution.This electrohydraulic energy-regenerative type semi-active control damper system, mainly comprise the bitubular liquid-springing module be made up of hydraulic working cylinder, oil storage cylinder, piston, hollow piston rod, compression valve, recuperation valve and the liquid be made up of hollow piston rod conversion adapter, accumulator, oil storage cylinder conversion adapter, hydraulic pressure energy regenerative pipeline, oil hydraulic motor, generator, load control circuit electricity energy regenerative control module, the side outer wall of described oil storage cylinder is drilled with a circular hole, by this circular hole welding oil storage cylinder conversion adapter; The described top end radial direction being positioned at the hollow piston rod of hydraulic working cylinder draws an oil outlet, and at oil outlet place welded hollow piston rod conversion adapter; The front end of described oil hydraulic motor is connected with the hollow piston rod conversion adapter of hollow piston rod by hydraulic pipe line, adopts three-way union to connect an accumulator in oil hydraulic circuit; The rear end of described oil hydraulic motor is connected with the oil storage cylinder conversion adapter of oil storage cylinder by hydraulic pipe line, is connected with a low pressure accumulator in oil hydraulic circuit; Described oil hydraulic motor is connected with generator by coupling, and generator is connected with load control circuit and regulates; The top of described hollow piston rod is connected with upper hanger, and the bottom of described oil storage cylinder is connected with lower hanger.Described hollow piston rod be connected with a piston without oil duct end, this piston is positioned among hydraulic working cylinder; The superjacent air space part of piston is oil hydraulic cylinder rod chamber, and underlying space part is oil hydraulic cylinder rodless cavity.
As preferably, described oil storage cylinder is positioned at the outside of hydraulic working cylinder, and the upper outer cover of oil storage cylinder has dust-proof cover; The lower end of hydraulic working cylinder is provided with supporting base, this supporting base is provided with compression valve and recuperation valve, and this supporting base is positioned at the lower inner of oil storage cylinder.
As preferably, the axial core of described hollow piston rod is provided with the center hole do not run through, and radially opens a through hole, and be communicated with center hole in hollow piston rod bottom.
As preferably, described piston is divided into valve system piston and valveless system piston, has in valve system piston and is provided with flowing valve, and this flowing valve is communicated in oil hydraulic cylinder rod chamber and oil hydraulic cylinder rodless cavity; An one-way valve in parallel on the hydraulic pipe line of the oil hydraulic motor of its outside of valveless system piston, the opening direction of one-way valve is contrary with the sense of rotation of oil hydraulic motor.
As preferably, described accumulator and low pressure accumulator adopt bag type accumulator.
The beneficial effects of the utility model are:
One, the damping characteristic of power feeding shock absorber meets vehicle and stretches to vibration damper and the ratio requirement of compression stroke damping force, compression stroke reaches the passive effectiveness in vibration suppression of traditional vibration damper, carries out the semi-active control of vibration energy regeneration and damping force in stretching travel; Energy regenerative effect and smoothness arrive balance to a certain extent;
Its two, effectively can reclaim the mechanical energy that Vibration of Vehicle Suspensions dissipates, system " inertia loss " is lower than the power feeding shock absorber of other schemes, and motor sense of rotation is fixed, and energy recovery efficiency is high;
Its three, can transform on conventional hydraulic vibration damper basis, utilize its diaphragm valve group, its elastic characteristic curve is level and smooth, and the external characteristics of vibration damper is excellent, can be applicable to different vehicles, and adjustment is convenient;
Its four, change less to the component of conventional fluid torque vibration damper, structure is simple, is easy to install, dismounting and maintenance, the simultaneously long service life of generator, and system availability is strong.
Accompanying drawing explanation
Fig. 1 is main embodiment concrete structure schematic diagram of the present utility model.
Fig. 2 is basic principle figure of the present utility model.
Fig. 3 is the structural representation of the utility model hollow core piston rod.
Fig. 4 is the structural representation of another embodiment of the present utility model.
Fig. 5 is the basic principle figure of another embodiment of the present utility model.
Label in accompanying drawing is respectively: 1, upper hanger; 2, hollow piston rod conversion adapter; 3, accumulator; 4, three-way union; 5, oil hydraulic motor; 6, generator; 7, load control circuit; 8, hydraulic pipe line; 9, oil storage cylinder conversion adapter; 10, lower hanger; 11, compression valve; 12, recuperation valve; 13, supporting base; 14, hydraulic working cylinder; 15, valve system piston is had; 16, flowing valve; 17, hollow piston rod; 18, oil storage cylinder; 19, dust-proof cover; 20, oil hydraulic cylinder rod chamber; 21, low pressure accumulator; 22, one-way valve; 23, valveless system piston; 24, oil hydraulic cylinder rodless cavity; 171, center hole; 172, through hole.
Embodiment
Below in conjunction with accompanying drawing, detailed introduction is done to the utility model: as accompanying drawing 1, shown in 2, the utility model mainly comprises by hydraulic working cylinder 14, oil storage cylinder 18, piston 15, hollow piston rod 17, compression valve 11, the bitubular liquid-springing module that recuperation valve 12 is formed and by hollow piston rod conversion adapter 2, accumulator 3, oil storage cylinder conversion adapter 9, hydraulic pressure energy regenerative pipeline 8, oil hydraulic motor 5, generator 6, the liquid electricity energy regenerative control module that load control circuit 7 is formed, the side outer wall of described oil storage cylinder 18 is drilled with a circular hole, by this circular hole welding oil storage cylinder conversion adapter 9, the top end radial direction of the described hollow piston rod 17 being positioned at hydraulic working cylinder 14 draws an oil outlet, and at oil outlet place welded hollow piston rod conversion adapter 2, the front end of described oil hydraulic motor 5 is connected with the hollow piston rod conversion adapter 2 of hollow piston rod 17 by hydraulic pipe line 8, adopts three-way union 4 to connect an accumulator 3 in oil hydraulic circuit, the rear end of described oil hydraulic motor 5 is connected with the oil storage cylinder conversion adapter 9 of oil storage cylinder 18 by hydraulic pipe line 8, is connected with a low pressure accumulator 21 in oil hydraulic circuit, described oil hydraulic motor 5 is connected with generator 6 by coupling, and generator 6 is connected with load control circuit 7 and regulates, the top of described hollow piston rod 17 is connected with upper hanger 1, and the bottom of described oil storage cylinder 18 is connected with lower hanger 10.By the oil storage cylinder conversion adapter 9 of the oil duct of hollow piston rod 17, hollow piston rod conversion adapter 2 and oil storage cylinder 18, work fluid is caused external hydraulic loop, liquid stream drives oil hydraulic motor 5 to rotate along fixed-direction all the time, the rotation motion of oil hydraulic motor 5 drive electrical generators 6, thus vibrating machine energy is converted into electric energy, store in the battery or for other energy-consuming parts on vehicle; Generator 6 can be carried out the adjustment of damping force by its load control circuit 7 system simultaneously.
Described hollow piston rod 17 be connected with a piston without oil duct end, this piston is positioned among hydraulic working cylinder 14; The superjacent air space part of piston is oil hydraulic cylinder rod chamber 20, and underlying space part is oil hydraulic cylinder rodless cavity 24; Described oil storage cylinder 18 is positioned at the outside of hydraulic working cylinder 14, and the upper outer cover of oil storage cylinder 18 has dust-proof cover 19; The lower end of hydraulic working cylinder 14 is provided with supporting base 13, this supporting base 13 is provided with compression valve 11 and recuperation valve 12, and this supporting base 13 is positioned at the lower inner of oil storage cylinder 18.
As shown in Figure 3, the axial core of described hollow piston rod 17 is provided with the center hole 171 do not run through, and radially opens a through hole 172, and be communicated with center hole 171 in hollow piston rod 17 bottom.
Described piston is divided into valve system piston 15 and valveless system piston 23, as shown in Figure 1, has in valve system piston 15 and is provided with flowing valve 16, and this flowing valve 16 is communicated in oil hydraulic cylinder rod chamber 20 and oil hydraulic cylinder rodless cavity 24; As shown in Figure 4, an one-way valve 22 in parallel on the hydraulic pipe line 8 of the oil hydraulic motor 5 of its outside of valveless system piston 23, the opening direction of one-way valve 22 is contrary with the sense of rotation of oil hydraulic motor 5.
Described accumulator 3 and low pressure accumulator 21 adopt bag type accumulator, and its effect is the Oil shocking of absorption liquid cylinder pressure rod chamber 20, and reduce the possibility that oil hydraulic motor 5 damages, have lightweight, volume is little, is convenient to integrated advantage.Described oil hydraulic motor 5 adopts unidirectional inside engaged gear oil hydraulic motor, has little, that efficiency the is high advantage that takes up room.Described generator 6 adopts non-brush permanent-magnet DC motor, is connected by coupling and oil hydraulic motor 5, adopts vector control frequency control mode to regulate motor, can change the damping force of extension stroke, realize the semi-active control of power feeding shock absorber damping force.
Electrohydraulic energy-regenerative type semi-active control vibration damper of the present utility model is from the maximum different of existing several electrohydraulic energy-regenerative type shock absorber: its compression stroke does not carry out energy regenerating, only reclaims vibration mechanical energy in extension stroke; Only realize traditional passive effectiveness in vibration suppression when compression stroke, can damping force semi-active control be carried out in stretching travel; Thus the external characteristics realizing electrohydraulic energy-regenerative type shock absorber meets the run smoothness requirement of vehicle.The compression stroke damping force of existing several electrohydraulic energy-regenerative type shock absorber is greater than rebound resistance, and this is contrary with the external characteristics of conventional fluid torque vibration damper, is difficult to the daily traveling being applicable to vehicle.
Specific works process of the present utility model is: when spring carried mass and nonspring carried mass make reciprocal relative movement, has valve system piston 15 also reciprocating in hydraulic working cylinder 14 in power feeding shock absorber.During compression stroke, valve system piston 15 is had to move to supporting base 13 direction under the promotion of hollow piston rod 17, spring rate due to flowing valve 16 is less than the spring rate of compression valve 11, flowing valve 16 opening time is early than compression valve 11, the high pressure oil of oil hydraulic cylinder rodless cavity 24 enters oil hydraulic cylinder rod chamber 20 by flowing valve 16, some fluid pushes compression valve 11 open, flow back into oil storage cylinder 18, or enter low pressure accumulator 21, the throttling action of flowing valve 16 and compression valve 11 forms the damping force of compression stroke.During extension stroke, valve system piston 15 is had to move to guide holder direction under the pulling of hollow piston rod 17, the high pressure oil of oil hydraulic cylinder rod chamber 20 is through hollow piston rod 17, flow to outside energy regenerative loop, under the pressure stabilization function of accumulator 3, drive oil hydraulic motor 5 to rotate along fixed-direction, drive electrical generators 6 rotation motion, completes and vibrating machine energy is converted into electric energy.The fluid of oil hydraulic cylinder rod chamber 20 finally flows back into oil storage cylinder 18, and because the spring rate of recuperation valve 12 is less, the fluid of oil storage cylinder 18 can be oil hydraulic cylinder rodless cavity 24 fluid infusion in time, avoids the generation of idle running distortion phenomenon.The damping force of extension stroke mainly comes from the resistance that high pressure oil drives oil hydraulic motor 5.According to the normal acceleration of spring carried mass and the real time data of suspension dynamic deflection, regulate motor in real time by motor vector control frequency control mode, change the damping force driving oil hydraulic motor 5, the damping force semi-active control of reclaiming energy suspension system can be realized.
Alternative of the present utility model also can adopt another analog structure scheme, as shown in Figure 4 and Figure 5, namely cancel the flowing valve on former piston and rebound valve simultaneously, keep other structures of piston constant, an one-way valve 22 in parallel on the hydraulic pipe line 8 of oil hydraulic motor 5, the opening direction of one-way valve 22 is contrary with the sense of rotation of oil hydraulic motor 5.During compression stroke, the high-voltage oil liquid of oil hydraulic cylinder rodless cavity 24 pushes compression valve 11 open, flows back into oil storage cylinder 18, and the fluid of oil storage cylinder 18 li can be pushed one-way valve 22 open and enters oil hydraulic cylinder rod chamber 20, timely fluid infusion, thus avoids compression stroke to produce idle running distortion phenomenon.When extension stroke, because one-way valve 22 remains closed condition, its fluid pathways and working procedure the same with above-mentioned main embodiment.
Be understandable that, for a person skilled in the art, the technical solution of the utility model and model utility design be equal to and replace or change the protection domain that all should belong to the claim appended by the utility model.
Claims (5)
1. an electrohydraulic energy-regenerative type semi-active control damper system, mainly comprise by hydraulic working cylinder (14), oil storage cylinder (18), piston (15), hollow piston rod (17), compression valve (11), the bitubular liquid-springing module that recuperation valve (12) is formed and by hollow piston rod conversion adapter (2), accumulator (3), oil storage cylinder conversion adapter (9), hydraulic pressure energy regenerative pipeline (8), oil hydraulic motor (5), generator (6), the liquid electricity energy regenerative control module that load control circuit (7) is formed, it is characterized in that: the side outer wall of described oil storage cylinder (18) is drilled with a circular hole, by this circular hole welding oil storage cylinder conversion adapter (9), the top end radial direction of the described hollow piston rod (17) being positioned at hydraulic working cylinder (14) draws an oil outlet, and at oil outlet place welded hollow piston rod conversion adapter (2), the front end of described oil hydraulic motor (5) is connected with the hollow piston rod conversion adapter (2) of hollow piston rod (17) by hydraulic pipe line (8), adopts three-way union (4) to connect an accumulator (3) in oil hydraulic circuit, the rear end of described oil hydraulic motor (5) is connected with the oil storage cylinder conversion adapter (9) of oil storage cylinder (18) by hydraulic pipe line (8), is connected with a low pressure accumulator (21) in oil hydraulic circuit, described oil hydraulic motor (5) is connected with generator (6) by coupling, and generator (6) is connected with load control circuit (7) and regulates, the top of described hollow piston rod (17) is connected with upper hanger (1), and the bottom of described oil storage cylinder (18) is connected with lower hanger (10), described hollow piston rod (17) be connected with a piston without oil duct end, this piston is positioned among hydraulic working cylinder (14), the superjacent air space part of piston is oil hydraulic cylinder rod chamber (20), and underlying space part is oil hydraulic cylinder rodless cavity (24).
2. electrohydraulic energy-regenerative type semi-active control damper system according to claim 1, it is characterized in that: described oil storage cylinder (18) is positioned at the outside of hydraulic working cylinder (14), and the upper outer cover of oil storage cylinder (18) has dust-proof cover (19); The lower end of hydraulic working cylinder (14) is provided with supporting base (13), this supporting base (13) is provided with compression valve (11) and recuperation valve (12), and this supporting base (13) is positioned at the lower inner of oil storage cylinder (18).
3. electrohydraulic energy-regenerative type semi-active control damper system according to claim 1, it is characterized in that: the axial core of described hollow piston rod (17) is provided with the center hole (171) do not run through, radially open a through hole (172) in hollow piston rod (17) bottom, and be communicated with center hole (171).
4. electrohydraulic energy-regenerative type semi-active control damper system according to claim 1, it is characterized in that: described piston is divided into valve system piston (15) and valveless system piston (23), have in valve system piston (15) and be provided with flowing valve (16), this flowing valve (16) is communicated in oil hydraulic cylinder rod chamber (20) and oil hydraulic cylinder rodless cavity (24); The upper one-way valve (22) in parallel of hydraulic pipe line (8) of the oil hydraulic motor (5) of valveless system piston (23) its outside, the opening direction of one-way valve (22) is contrary with the sense of rotation of oil hydraulic motor (5).
5. electrohydraulic energy-regenerative type semi-active control damper system according to claim 1, is characterized in that: described accumulator (3) and low pressure accumulator (21) adopt bag type accumulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520411243.4U CN204961669U (en) | 2015-06-15 | 2015-06-15 | Liquid electricity is presented can formula semi active contro shock absorber system |
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| CN201520411243.4U CN204961669U (en) | 2015-06-15 | 2015-06-15 | Liquid electricity is presented can formula semi active contro shock absorber system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976266A (en) * | 2015-06-15 | 2015-10-14 | 万向钱潮股份有限公司 | Fluid electric energy feedback type semi-active control shock absorber system |
| CN107336572A (en) * | 2016-05-02 | 2017-11-10 | 现代自动车株式会社 | Device for active control intact stability |
| CN107630969A (en) * | 2017-10-31 | 2018-01-26 | 西安科技大学 | The adjustable self energizing type active suspension actuator of electric of composite damping and its control method |
| CN108343656A (en) * | 2018-01-31 | 2018-07-31 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of adaptive clamping device in deep-sea and its adaptive clamping means |
| CN112243413A (en) * | 2018-05-07 | 2021-01-19 | 法尔韦克电子系统有限公司 | Shock absorber unit for a vehicle chassis with horizontal adjustment |
| CN112747063A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Vibration damper, energy conversion device and vehicle |
| WO2021195799A1 (en) * | 2020-04-04 | 2021-10-07 | 赵学清 | Hydraulic generator |
| CN113833148A (en) * | 2021-10-13 | 2021-12-24 | 杨保光 | Antitorque antidetonation tensile building structure that building engineering used |
| CN113847380A (en) * | 2021-09-06 | 2021-12-28 | 上海跨悦信息技术有限公司 | Self-energy-feeding damping force adjustable electric control shock absorber system |
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2015
- 2015-06-15 CN CN201520411243.4U patent/CN204961669U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976266A (en) * | 2015-06-15 | 2015-10-14 | 万向钱潮股份有限公司 | Fluid electric energy feedback type semi-active control shock absorber system |
| CN107336572A (en) * | 2016-05-02 | 2017-11-10 | 现代自动车株式会社 | Device for active control intact stability |
| CN107630969A (en) * | 2017-10-31 | 2018-01-26 | 西安科技大学 | The adjustable self energizing type active suspension actuator of electric of composite damping and its control method |
| CN107630969B (en) * | 2017-10-31 | 2023-08-18 | 西安科技大学 | Composite damping adjustable self-energy-supply type active suspension actuator and control method thereof |
| CN108343656A (en) * | 2018-01-31 | 2018-07-31 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of adaptive clamping device in deep-sea and its adaptive clamping means |
| CN108343656B (en) * | 2018-01-31 | 2020-04-07 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep sea self-adaptive clamping device and self-adaptive clamping method thereof |
| CN112243413A (en) * | 2018-05-07 | 2021-01-19 | 法尔韦克电子系统有限公司 | Shock absorber unit for a vehicle chassis with horizontal adjustment |
| CN112747063A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Vibration damper, energy conversion device and vehicle |
| CN112747063B (en) * | 2019-10-31 | 2022-06-14 | 比亚迪股份有限公司 | Vibration damper, energy conversion device and vehicle |
| WO2021195799A1 (en) * | 2020-04-04 | 2021-10-07 | 赵学清 | Hydraulic generator |
| CN113847380A (en) * | 2021-09-06 | 2021-12-28 | 上海跨悦信息技术有限公司 | Self-energy-feeding damping force adjustable electric control shock absorber system |
| CN113833148A (en) * | 2021-10-13 | 2021-12-24 | 杨保光 | Antitorque antidetonation tensile building structure that building engineering used |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20210615 |