CN206943130U - Vehicle - Google Patents
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- Publication number
- CN206943130U CN206943130U CN201720462647.5U CN201720462647U CN206943130U CN 206943130 U CN206943130 U CN 206943130U CN 201720462647 U CN201720462647 U CN 201720462647U CN 206943130 U CN206943130 U CN 206943130U
- Authority
- CN
- China
- Prior art keywords
- oil pump
- oil
- pump
- fuel tank
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 49
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 238000010408 sweeping Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 149
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model discloses a kind of vehicle, the vehicle includes：Equipment；Fuel tank；Oil pump, the oil pump are connected with the fuel tank and the equipment respectively, and the oil pump is used for from the fuel tank to the equipment pump oil；Drive device, the drive device are connected with the oil pump transmission, and the drive device is used to drive vehicle to travel；Control valve group, the control valve group are connected with the oil pump, the fuel tank and the equipment respectively, and the control valve group is used to control the fuel pump outlet switchably to connect with the fuel tank and/or the equipment.According to vehicle of the present utility model, oil pump is driven by using the drive device of driving vehicle traveling, and utilize the access and disconnection of control valve group control oil pump and equipment, so as to which the break-make that oil pump and equipment are realized in gearshift need not be passed through, it is simple in construction, easy to operate, fault rate is low.
Description
Technical field
It the utility model is related to a kind of vehicle.
Background technology
It is that the access of hydraulic pressure pump power is realized by gearshift and broken between the gearbox and hydraulic pump of vehicle in correlation technique
Open, when only vehicle is in halted state, hangs and takes power gear, power could be accessed hydraulic pump by speed changer.Due to this kind of side
Formula needs to shift gears, and can have the problems such as tooth, gearshift clamping stagnation are beaten in gearshift, and maintenance, maintenance cost are high, and fault rate is high, operating time length.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model exists
In proposing a kind of vehicle, the vehicle need not realize the access and disconnection of hydraulic pump by gearshift, and simple in construction, performance is good.
According to vehicle of the present utility model, including：Equipment；Fuel tank；Oil pump, the oil pump respectively with the fuel tank and
The equipment is connected, and the oil pump is used for from the fuel tank to the equipment pump oil；Travelled for driving vehicle
Drive device, the drive device are connected with the oil pump transmission, and shaft coupling is provided between the drive device and the oil pump,
The shaft coupling is unidirectional coupling, and the unidirectional coupling connects the oil pump and described in the drive device main story
The oil pump and the drive device are disconnected when drive device, reversion；Control valve group, the control valve group respectively with it is described
Oil pump, the fuel tank and the equipment are connected, and the control valve group is used to control the fuel pump outlet switchably
Connected with the fuel tank and/or the equipment.
According to vehicle of the present utility model, oil pump is driven by using the drive device of driving vehicle traveling, and utilize control
The access and disconnection of valve module control oil pump and equipment processed, oil pump and work clothes are realized so as to which gearshift need not be passed through
The break-make put, simple in construction, easy to operate, fault rate is low.
In certain embodiments, the control valve group includes：Reversal valve, the reversal valve and the equipment phase
Even, and the reversal valve has oil inlet and oil return opening, and the oil inlet is connected with the oil pump, the oil return opening and the oil
Case is connected.
In some instances, the reversal valve is the solenoid directional control valve of Median Function H types.
Further, the control valve group includes：Delivery valve, the delivery valve be serially connected in the fuel pump outlet with it is described
Between the oil inlet of reversal valve, the delivery valve is switched on or switched off the oil pump and the reversal valve.
In some instances, the control valve group includes：Oil return valve, the oil return valve be serially connected in the fuel pump outlet with
Between the fuel tank, the oil return valve is switched on or switched off the outlet of the oil pump and the fuel tank.
In some instances, the control valve group also includes：Overflow valve, the overflow valve are serially connected in the fuel pump outlet
Between the fuel tank, the oil pressure that the overflow valve is suitable in the equipment is opened when being higher than predetermined pressure.
In certain embodiments, the oil pump is constant displacement pump.
Further, the oil pump is gear pump or vane pump.
In certain embodiments, it is serially connected with oil strainer between the entrance of the oil pump and the fuel tank.
In certain embodiments, the drive device includes：Motor；Decelerator, the decelerator and the driving
Motor is connected, wherein, the oil pump is connected with the decelerator.
In certain embodiments, the equipment is at least one in road sweeping device, watering device, refuse compressor
Kind.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the vehicle of the utility model embodiment；
Fig. 2 is the schematic diagram coordinated according to the speed changer of the vehicle of the utility model embodiment with oil pump；
Fig. 3 is the schematic diagram according to the unidirectional coupling of the utility model embodiment.
Reference：
Vehicle 100,
Equipment 1, fuel tank 2, oil pump 3,
Drive device 4, motor 41, decelerator 42, input shaft 421, the first output shaft 422, the second output shaft 423,
Control valve group 5, reversal valve 51, delivery valve 52, oil return valve 53, overflow valve 54,
Shaft coupling 6, oil strainer 7.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Vehicle 100 below with reference to Fig. 1-Fig. 3 descriptions according to the utility model embodiment.
As shown in figure 1, according to the vehicle 100 of the utility model embodiment, including：Equipment 1, fuel tank 2, oil pump 3, drive
Dynamic device 4 and control valve group 5.Wherein, equipment 1 is the device for realizing some specific functions that loads on vehicle 100, example
The watering device on road sweeping device, sprinkling truck, the refuse compressor on garbage truck such as on sweeping machine, and this practicality is new
The type of drive of the equipment 1 of type embodiment is hydraulic-driven, that is to say, that the realization of each function action of equipment 1
It is to be realized by hydraulic-driven.
Specifically, oil pump 3 is connected with fuel tank 2 and equipment 1 respectively, and oil pump 3 is used for from fuel tank 2 to the pump of equipment 1
Oil, in order to which the pressure oil of pumping driving equipment 1 can be utilized to work.
Drive device 4 is connected with oil pump 3, i.e., drive device 4 drives oil pump 3 to work, to realize to the pump of equipment 1
Pressurization pressure oil.And simultaneously, this drive device 4 is the drive device 4 for driving vehicle 100 to travel.That is, this practicality is new
The vehicle 100 of type embodiment, oil pump 3 directly is driven using the drive device 4 for driving vehicle 100 to travel, without for work clothes
The oil pump 3 for putting 1 individually sets a drive device 4 (such as oil pump motor 41) in addition, so as to simplify structure, reduces
Cost.
Shaft coupling 6 can be provided between drive device 4 and oil pump 3.That is, drive device 4 passes through shaft coupling 6 and oil
Pump 3 is connected, drive device 4 drives oil pump 3 to work by shaft coupling 6, so as to realize the drive connection of drive device 4 and oil pump 3.
Preferably, shaft coupling 6 is unidirectional coupling 6, and in 4 main story of drive device, unidirectional coupling 6 connects oil pump 3
With drive device 4, now, drive device 4 drives oil pump 3 to work by shaft coupling 6；When drive device 4 inverts, unidirectional shaft coupling
Device 6 disconnects oil pump 3 and drive device 4, and now, drive device 4 can not drive oil pump 3 to work, and oil pump 3 stops.In other words, drive
During 4 reverse operation of device, the locking of unidirectional coupling 6, shaft coupling 6 dallies, defeated to the power of oil pump 3 so as to cut off drive device 4
Enter.This way it is possible to avoid the reverse operation of oil pump 3 causes the damage of oil pump 3 and equipment 1.Here, drive device 4 rotates forward
Refer to that drive device 4 drives vehicle 100 to advance and travelled, the reversion of drive device 4 refers to that drive device 4 drives vehicle 100 to retreat.
Control valve group 5 is connected with oil pump 3, fuel tank 2 and equipment 1 respectively, and control valve group 5 is used for control oil pump
3 outlets switchably connect with fuel tank 2 and/or equipment 1.For example, when equipment 1 needs pressure oil, control valve group
Part 5 connects the outlet of oil pump 3 and equipment 1, and oil pump 3 is oily to the pumping pressure of equipment 1；When equipment 1 does not need pressure
When oily, control valve group 5 connects the outlet of oil pump 3 and fuel tank 2, and the outlet of oil pump 3 disconnects with equipment 1, now, in fuel tank 2
Oil pumped out by oil pump 3, returned through control valve group 5 in fuel tank 2, in fuel tank 2 oil circulated under non-loaded, do not do
Work(.So, the vehicle 100 of the present embodiment is only needed by controlling control valve group 5 that connecing for oil pump 3 and equipment 1 can be achieved
Enter and disconnect, without hanging and taking power gear, and during oil pump 3 and equipment 1 are switched in or out, drive device 4 with
Oil pump 3 remains connection, so that simple, convenient, the efficiency high that the access of control oil pump disconnects, fault rate are low.
It should be noted that when drive device 4 drives vehicle 100 to travel, drive device 4 drives oil pump 3 to work all the time,
That is, oil pump 3 all the time in pumping oil state, so as to realize vehicle 100 using drive device 4 while walking and
While driving oil pump 3 is to the pump oil of equipment 1, so as to ensure equipment 1 when vehicle 100 travels can with normal work, and
Oil pump motor 41 need not be set up, it is not required that hang and take power gear.
According to the vehicle 100 of the utility model embodiment, the drive device 4 travelled by using driving vehicle 100 drives
Oil pump 3, and using the control oil pump 3 of control valve group 5 and the access and disconnection of equipment 1, changed so as to pass through
Gear realizes the break-make of oil pump 3 and equipment 1, and simple in construction, easy to operate, fault rate is low.
In one embodiment of the present utility model, control valve group 5 can include：Reversal valve 51, reversal valve 51 and work
Make device 1 to be connected, and reversal valve 51 has oil inlet P and oil return opening D, oil inlet P is connected with oil pump 3, oil return opening D and fuel tank 2
It is connected.When the outlet of oil pump 3 connects with equipment 1, the oil pump in fuel tank 2 is entered reversal valve 51 by oil pump 3, the root again of reversal valve 51
Different working positions is determined according to the different working condition of equipment 1, so as to drive equipment 1 to realize different functions.
The specific work process of reversal valve 51 once is described with reference to Fig. 1：By the pressure oil that oil pump 3 inputs from reversal valve
51 oil inlet P flows into equipment 1 through the first actuator port A, oily the second working oil through reversal valve 51 in equipment 1
Mouthful B oil return box 2 again.Specifically, plunger shaft is provided with equipment 1, is provided with piston in piston, plunger shaft is divided into left chamber by piston
Room and right chamber room, when the first actuator port A connects with left chamber, and the second actuator port B is with right chamber, oil is through first
Actuator port A, which enters in left chamber, promotes piston is past to move right, and the oil in right chamber room is back to fuel tank 2 through the second actuator port
In；As the first actuator port A and right chamber, and when the second actuator port B connects with left chamber, oil is through the first actuator port
A, which enters in right chamber room, promotes piston is past to move left, and the oil in left chamber is back in fuel tank 2 through the second actuator port B.
Furthermore it is preferred that reversal valve 51 can be the solenoid directional control valve 51 of Median Function H types.When reversal valve 51 is in middle position
When, each hydraulic fluid port standard-sized sheet of reversal valve 51, equipment 1 is in quick condition, connected with fuel tank 2, without oil pressure, now, oil pump 3
The oil of pumping flows only through reversal valve 51 and returned in fuel tank 2, so as to prevent hydraulic shock from causing to damage to equipment 1.
In some examples of the present utility model, control valve group 5 may further include：Delivery valve 52, delivery valve 52
It is serially connected in oil pump 3 to export between the oil inlet P of reversal valve 51, delivery valve 52 is switched on or switched off oil pump 3 and reversal valve 51.Fuel feeding
Valve 52 is used to control whether the break-make to reversal valve 51 (equipment 1) between oil pump.
In some examples of the present utility model, control valve group 5 can also include：Oil return valve 53, oil return valve 53 concatenate
Exported in oil pump 3 between fuel tank 2, oil return valve 53 is switched on or switched off outlet and the fuel tank 2 of oil pump 3.Oil return valve 53 is used to control
Oil pump 3 exports the break-make between fuel tank 2.
Wherein it is preferred to delivery valve 52 and oil return valve 53 are magnetic valve, thus, it is possible to the convenient control He of delivery valve 52
The power on/off of oil return valve 53, simple, convenient, quick, faster system response.
With reference to Fig. 1, control valve group 5 include be magnetic valve delivery valve 52 and oil return valve 53, wherein, delivery valve 52 is gone here and there
It is connected on oil pump 3 to export between the oil inlet P of reversal valve 51, oil return valve 53 is serially connected in oil pump 3 and exported between fuel tank 2.
When vehicle 100 travels advance but 1 no pressure oil demand of equipment, oil pump 3 remains work, now oil return
52 equal dead electricity of valve 53 and delivery valve, oil return valve 53 are in lower working position, are on-state, and delivery valve 52 is operated in right position, is to close
Closed state, the flow that oil pump 3 pumps out is directly by the oil return box 2 of oil return valve 53, and now hydraulic oil circulates under non-loaded, no
Acting.
When equipment 1 needs to provide pressure oil, oil return valve 53 and delivery valve 52 it is electric, oil return valve 53 is operated in
Position, in closure state, delivery valve 52 is in left position, is on-state, now, solenoid directional control valve 51 according to equipment 1 not
Same state is in different working positions.
So, the vehicle 100 of the present embodiment, oil return valve 53 and delivery valve 52 can be controlled by switch or electric control handle
It is powered, power-off, can controls whether to the fuel feeding of equipment 1, control method is simple, faster system response, fault rate are low.
In some examples of the present utility model, control valve group 5 can also include：Overflow valve 54, overflow valve 54 concatenate
Exported in oil pump 3 between fuel tank 2, the oil pressure that overflow valve 54 is suitable in equipment 1 is opened when being higher than predetermined pressure.Example
Such as, when the oil pressure in equipment 1 is more than the scheduled pressure value set on overflow valve 54, overflow valve 54 is opened, and oil is back to
Fuel tank 2, thus, it is possible to prevent hypertonia from causing the damage of equipment 1.
In some embodiments of the utility model, oil pump 3 can be constant displacement pump.Further, oil pump 3 be gear pump or
Vane pump.Thus, it is possible to reduce cost.
Wherein,, therefore, can be by oil pump 3 because the flow of oil pump 3 is constant non-adjustable when oil pump 3 is constant displacement pump
Overflow valve 54 is concatenated between outlet and fuel tank 2, for realizing the pressure in adjustment work device 1, avoids pressure in equipment 1
It is too high, thus, it is possible to simplify the structure of vehicle 100, cost is reduced, and control simple.
In some embodiments of the utility model, oil strainer 7 can be serially connected between the entrance and fuel tank 2 of oil pump 3,
Oil strainer 7 can filter out the impurity in oil, avoid impurity from entering in oil pump 3 and equipment 1 and influence oil pump 3 and work
The service life of device 1.
The vehicle 100 of the utility model embodiment can be electric car, wherein, the drive device 4 of electric car can include：
Motor 41 and decelerator 42, decelerator 42 are connected with motor 41, and oil pump 3 is connected with decelerator 42, for example, decelerator
It is connected between 42 and oil pump 3 by unidirectional coupling 6, thus, it is possible to shorten the power transmission between motor 41 and oil pump 3
Distance, mechanical efficiency is improved, and integration is good.Further, since motor 41 is directly powered by the electrokinetic cell of electric car, nothing
Operating efficiency is higher simultaneously, noise is smaller for waste gas discharge.
With reference to Fig. 2, decelerator 42 includes input shaft 421, the first output shaft 422 and the second output shaft 423, input shaft 421
With the output axis connection of motor 41, the first output shaft 422 and the second output shaft 423 are connected with input shaft 421, and first is defeated
Shaft 422 exports power drive vehicle 100 and travelled, the pump oil from fuel tank 2 of the second output shaft 423 output power drive oil pump 3.
Wherein, connected between the output shaft 423 of input shaft 421 and second by gear.
In some embodiments of the utility model, equipment 1 is road sweeping device, watering device, refuse compressor
At least one of.
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect, can also be communication；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship.For one of ordinary skill in the art
For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (11)
- A kind of 1. vehicle, it is characterised in that including：Equipment；Fuel tank；Oil pump, the oil pump are connected with the fuel tank and the equipment respectively, and the oil pump is used for from the fuel tank to institute State equipment pump oil；For the drive device for driving vehicle to travel, the drive device is connected with the oil pump transmission, the drive device and Shaft coupling is provided between the oil pump, the shaft coupling is unidirectional coupling, and the unidirectional coupling is in the drive device The oil pump and the drive device are disconnected when the oil pump and the drive device, reversion are connected during main story；Control valve group, the control valve group is connected with the oil pump, the fuel tank and the equipment respectively, described Control valve group is used to control the fuel pump outlet switchably to connect with the fuel tank and/or the equipment.
- 2. vehicle according to claim 1, it is characterised in that the control valve group includes：Reversal valve, the reversal valve are connected with the equipment, and the reversal valve has an oil inlet and oil return opening, it is described enter Hydraulic fluid port is connected with the oil pump, and the oil return opening is connected with the fuel tank.
- 3. vehicle according to claim 2, it is characterised in that the reversal valve is the solenoid directional control valve of Median Function H types.
- 4. vehicle according to claim 3, it is characterised in that the control valve group includes：Delivery valve, the delivery valve are serially connected between the oil inlet of the fuel pump outlet and the reversal valve, and the delivery valve connects On-off drives the oil pump and the reversal valve.
- 5. according to the vehicle any one of claim 2-4, it is characterised in that the control valve group includes：Oil return valve, the oil return valve are serially connected between the fuel pump outlet and the fuel tank, and the oil return valve is switched on or switched off institute State the outlet of oil pump and the fuel tank.
- 6. according to the vehicle any one of claim 2-4, it is characterised in that the control valve group also includes：Overflow valve, the overflow valve are serially connected between the fuel pump outlet and the fuel tank, and the overflow valve is suitable in the work Make to open when the oil pressure in device is higher than predetermined pressure.
- 7. according to the vehicle any one of claim 1-4, it is characterised in that the oil pump is constant displacement pump.
- 8. vehicle according to claim 7, it is characterised in that the oil pump is gear pump or vane pump.
- 9. according to the vehicle any one of claim 1-4, it is characterised in that the entrance of the oil pump and the fuel tank it Between be serially connected with oil strainer.
- 10. according to the vehicle any one of claim 1-4, it is characterised in that the drive device includes：Motor；Decelerator, the decelerator are connected with the motor,Wherein, the oil pump is connected with the decelerator.
- 11. vehicle according to claim 1, it is characterised in that the equipment is road sweeping device, watering device, rubbish At least one of rubbish compression set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462647.5U CN206943130U (en) | 2017-04-27 | 2017-04-27 | Vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462647.5U CN206943130U (en) | 2017-04-27 | 2017-04-27 | Vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943130U true CN206943130U (en) | 2018-01-30 |
Family
ID=61358845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462647.5U Expired - Fee Related CN206943130U (en) | 2017-04-27 | 2017-04-27 | Vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206943130U (en) |
-
2017
- 2017-04-27 CN CN201720462647.5U patent/CN206943130U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |