CN103434477A - Vehicle and engine hood thereof - Google Patents
Vehicle and engine hood thereof Download PDFInfo
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- CN103434477A CN103434477A CN2013103865598A CN201310386559A CN103434477A CN 103434477 A CN103434477 A CN 103434477A CN 2013103865598 A CN2013103865598 A CN 2013103865598A CN 201310386559 A CN201310386559 A CN 201310386559A CN 103434477 A CN103434477 A CN 103434477A
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- jacking device
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- car bonnet
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Abstract
The invention discloses an engine hood for a vehicle and the vehicle provided with the engine hood. The engine hood comprises a hood body, a jacking device, a sensor and a controller. The jacking device is arranged below the hood body, is adjacent to the front side of the hood body and is used for jacking the hood body upwards. The sensor is used for detecting collision between a pedestrian and the vehicle. The sensor and the jacking device are respectively connected with the controller. The controller is used for controlling the jacking device to jack the front portion of the hood body upwards after receiving a pedestrian collision signal sent by the sensor. According to the engine hood, after collision between the pedestrian and the vehicle happens, the controller controls the jacking device to jack the front portion of the hood body upwards, and therefore axial direction stress of the thighs of the pedestrian, the bending moment of the thighs around a Y axis and head stress can be effectively reduced, and the pedestrian can be protected adequately.
Description
Technical field
The present invention relates to the automobile construction field, especially relate to a kind of vehicle and car bonnet.
Background technology
Modern vehicle is more and more focused on crash survivability, is embodied in the protection to passenger's personal safety on the one hand, is embodied on the other hand the protection to the pedestrian.When vehicle and pedestrian impact, the injury be subject in order to reduce the pedestrian, can arrange priming device at the rear side of car bonnet, and after pedestrian and vehicle frontal collision, priming device, by the rear portion jack-up of driving engine, is hit thereby reduce the pedestrian.
Summary of the invention
The application be based on the contriver to the cognition of the following fact and problem with find to make: the rear portion of conventional engines cover arranges priming device, after pedestrian and vehicle collision, the priming device ignition and detonation, thus by the rear portion of the car bonnet jack-up certain distance that makes progress, reduce the pedestrian and be hurt.But the contriver is surprised to find after by a large amount of experiments and research, after pedestrian and vehicle frontal collision, the front portion of the car bonnet certain distance of upspringing can be protected the pedestrian better, and the reduction pedestrian is hit.
The present invention is intended to solve at least to a certain extent one of above-mentioned technical matters of the prior art.
For this reason, one object of the present invention is to propose a kind of car bonnet for vehicle, and this car bonnet can be protected better pedestrian's shank and head after pedestrian and vehicle frontal collision.
Another object of the present invention is to propose a kind of vehicle with above-mentioned car bonnet, and this vehicle is can protect better the pedestrian after pedestrian impact thus.
According to the car bonnet for vehicle of the present invention, comprising: cover body; Jacking device, described jacking device is located under described cover body for the described cover body of jacking upwards, the front side of the contiguous described cover body of described jacking device; Sensor for detection of pedestrian and described collision happens; And controller, described controller is connected with described jacking device with described sensor respectively, and described controller is configured to control the make progress front portion of the described cover body of jacking of described jacking device after described controller receives the pedestrian impact signal that described sensor sends.
Car bonnet according to the embodiment of the present invention; after pedestrian and vehicle generation central collision; controller is controlled jacking device by the front portion of the cover body jack-up that makes progress, thereby can effectively reduce pedestrian's thigh axially loaded, thigh is stressed around moment of flexure and the head of Y-axis, and the pedestrian adequately protects.
In addition, according to the car bonnet for vehicle of the present invention, can also there is following additional technical feature:
According to some embodiments of the present invention, described jacking device be a plurality of and described a plurality of jacking devices described vehicle transversely toward each other.
By a plurality of jacking devices and a plurality of jacking device being set in the horizontal toward each other, after pedestrian and vehicle collision, controller can be controlled jacking device in time like this, thus the front portion of the rapid jack-up cover body of jacking device, reduce cover body by the lag time of jack-up, increase the speed of response that cover body is upspring.
According to some embodiments of the present invention, described jacking device is the formula jacking device that detonates.Thus, reduce the opening time of jacking device, increased the speed of response of jacking device.
According to some embodiments of the present invention, described jacking device comprises:
Conduit, described conduit hollow and top and bottom are opened wide respectively;
Piston, described piston is located in described conduit;
Top cover, described top cover seals the top of described conduit;
Bottom, described bottom seals the bottom of described conduit;
The section of detonating, the described section of detonating is located in described conduit and between the bottom of described bottom and described piston; And
The igniting wire harness, described igniting wire harness is connected with the described section of detonating with described controller respectively;
Wherein, after described controller receives described pedestrian impact signal, described controller is controlled the described section's ignition and detonation that detonates, so that described piston upwards backs down described top cover and the front portion of the described cover body of jacking that makes progress.
According to some embodiments of the present invention, be provided with position limiting structure in described conduit, described position limiting structure is for after the described section of detonating detonates, and the described piston of backstop during described piston upward movement preset distance, eject in described conduit to prevent described piston integral body.
Like this, can avoid piston integral body eject and may cause secondary injury to the pedestrian, increase the protection to the pedestrian.And, by controlling the setting position of position limiting structure, can control plunger go out the stroke of conduit, can indirectly control the stroke that cover body is upspring like this.In addition, because piston can integral body not gone out conduit, so catheter interior can guarantee certain air pressure, thereby piston can not fall down after going out at once, thereby provides certain dwell time for the jacking of cover body.
According to some embodiments of the present invention, described jacking device is pedestrian's air bag.
According to some embodiments of the present invention, described sensor is a plurality of and is suitable for being located on the front bumper of described vehicle.
According to some embodiments of the present invention, described sensor comprises: pressure sensor and/or acceleration pick-up.
According to some embodiments of the present invention, after described controller receives described pedestrian impact signal, described controller is controlled described jacking device by the front portion of the described cover body jacking 90mm-140mm that makes progress.
Vehicle according to the invention, comprise the car bonnet for vehicle above-mentioned according to the present invention.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of car bonnet according to an embodiment of the invention;
Fig. 2 is the exploded view of jacking device according to an embodiment of the invention;
Fig. 3 and Fig. 4 are to the axial force of pedestrian's thigh and around the comparison diagram of Y-axis moment of flexure according to the car bonnet of the embodiment of the present invention and conventional posterior upspring type car bonnet;
Fig. 5 carries out the schematic diagram of head reconnaissance by emulation experiment.
Reference numeral:
The specific embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only mean that the First Characteristic level height is less than Second Characteristic.
The application be based on the contriver to the cognition of the following fact and problem with find to make: the rear portion of conventional engines cover arranges priming device, after pedestrian and vehicle collision, the priming device ignition and detonation, thus by the rear portion of the car bonnet jack-up certain distance that makes progress, reduce the pedestrian and be hurt.And upspring and can protect the pedestrian by industry, accepted and extensively adopt in the car bonnet rear portion.
But; the contriver is surprised to find by a large amount of experiments with after studying: after pedestrian and vehicle frontal collision; the front portion of car bonnet 100 certain distance of upspringing is relatively better to pedestrian's protection; the contriver on this basis again by experimental results demonstrate; after pedestrian and vehicle collision; the front portion of car bonnet 100 mode that certain distance upsprings with conventional posterior of upspringing is compared; protection to the pedestrian is larger; particularly, to the protection better effects if of pedestrian's thigh and head, effectively reduce the pedestrian and be hit.
Below with reference to Fig. 1-Fig. 2, describe in detail according to embodiment of the present invention car bonnet 100, this car bonnet 100 is applicable to vehicle, vehicle can comprise floor and vehicle body, and car bonnet 100 is important component parts of vehicle body, and car bonnet 100 is used to open or close machinery space.
According to some embodiments of the present invention, vehicle is self-propelled vehicle, and particularly, vehicle can be car, SUV or pick up etc.Especially, according to the car bonnet 100 of the embodiment of the present invention, preferably be located on larger-size vehicle, in vehicles such as SUV, MPV and pick up, still, should be appreciated that and the present invention includes but be not limited to this.
Comprise cover body 1, jacking device 2, sensor 3 and controller 4 according to the car bonnet 100 of the embodiment of the present invention.
The structure of cover body 1 can be according to different vehicle and adaptability design.Jacking device 2 is located at cover body 1 time for jacking cover body 1 upwards, the front side of jacking device 2 contiguous cover bodies 1.In other words, jacking device 2 is for the jack-up that makes progress of the front portion by cover body 1, and unconventional rear portion.
Whether sensor 3 bumps for detection of pedestrian and vehicle.After pedestrian and vehicle generation central collision, sensor 3 can send the pedestrian impact signal.Be to be understood that, sensor 3 for the collision detection type has been mature technology at automotive field, therefore do not make particular determination for the sensor 3 that can detect pedestrian and collision happens here, as long as can detect the pedestrian and whether vehicle bumps.
For example, after collision happens, sensor 3 can feed back to controller 4 by information such as the relevant speed of collision and/or pressure, controller 4 calculates by default algorithm, determine whether pedestrian and vehicle collision, if pedestrian and vehicle collision are controlled jacking device 2 actions, if judgement is not pedestrian and vehicle collision, controller 4 is not controlled jacking device 2.
Shown in Fig. 3 and Fig. 4, wherein RR_pop-up is conventional posterior upspring type car bonnet, and FRT_pop-up is the anterior upspring type car bonnet according to the embodiment of the present invention, the top moment of flexure that M1 is thigh, M2 is large midleg moment of flexure, the bottom moment of flexure that M3 is thigh.Fig. 3 is the comparison diagram that thigh is axially made a concerted effort, Fig. 4 is the comparison diagram of the moment of flexure around Y-axis that thigh is subject to, investigate the maxim of two indexes absolute value in whole collision process, can know and find out from the injury correlation curve figure of Fig. 3 and Fig. 4, according to the thigh injury values of the anterior upspring type car bonnet of the embodiment of the present invention than corresponding the reducing of thigh injury values of conventional posterior bounced engine cover, thereby to huckle, injury has optimization function preferably.
Fig. 5 is head emulation experiment reconnaissance schematic diagram, particularly, selects all Euro NCAP collision points position on car bonnet Y-direction center to analyze reconnaissance, and the head injury critical for the evaluation is the HIC value, and HIC is less, less to head injury, and simulation result is as follows:
| Collision point | C.0.0 | C.0.1 | C.0.2 | C.0.3 | C.0.4 | C.0.5 | C.0.6 | C.0.7 |
| HIC upsprings at rear portion | 1300 | 1772 | 835 | 671 | 531 | 446 | 307 | 364 |
| HIC upsprings in front portion | 389 | 586 | 456 | 395 | 332 | 342 | 335 | 517 |
From simulation result, front area and central region according to the anterior upspring type car bonnet of the embodiment of the present invention at hood, compare with rear portion upspring type car bonnet, and head injury HIC value has obvious reduction.In the hood rear positions, the head injury value increases than rear portion upspring type hood, but the amplitude improved is little, and, for general central collision, pedestrian head generally contacts with the front middle part of car bonnet.Therefore in terms of overall, can protect better pedestrian's head according to the anterior upspring type car bonnet of the embodiment of the present invention.
Thus; anterior upspring type car bonnet according to the embodiment of the present invention; after pedestrian and vehicle generation central collision; controller 4 is controlled jacking devices 2 by the front portion of cover body 1 jack-up that makes progress; thereby can effectively reduce pedestrian's thigh axially loaded, thigh is stressed around moment of flexure and the head of Y-axis, the pedestrian adequately protects.
According to some embodiments of the present invention, jacking device 2 can be a plurality of and jacking device 2 vehicle transversely toward each other.Here, the Width that laterally is vehicle of so-called vehicle, the namely left and right directions of vehicle.
By a plurality of jacking devices 2 and a plurality of jacking device 2 being set in the horizontal toward each other, like this after pedestrian and vehicle collision, controller 4 can be controlled jacking device 2 in time, thereby the front portion of jacking device 2 rapid jack-up cover bodies 1, reduce cover body 1 by the lag time of jack-up, increase the speed of response that cover body 1 is upspring.
But, should be understood that, the concrete quantity of jacking device 2 and concrete setting position can be according to the situations of vehicle engine compartments and concrete the layout is not limited to above-mentioned arrangement, as long as after pedestrian and vehicle frontal collision, jacking device 2 can get final product the anterior jack-up of cover body 1.
In order to reduce the opening time of jacking device 2, increase the speed of response of jacking device 2, make the cover body 1 can be in the very first time by jack-up after bumping.Preferably, jacking device 2 is the formula jacking device 2 that detonates.
Particularly, as shown in Figure 2, jacking device 2 can comprise conduit 22, piston 23, top cover 21, bottom 25, section 24 and igniting wire harness 26 detonate.
With reference to Fig. 2, conduit 22 is that hollow structure and top and bottom are opened wide respectively, and piston 23 is located in conduit 22, and piston 23 can be at the interior axial motion along conduit 22 of conduit 22.The top of top cover 21 closes ducts 22, the bottom of bottom 25 closes ducts 22.
The section 24 of detonating is located in conduit 22 and between the bottom of bottom 25 and piston 23.Igniting wire harness 26 is connected with the section of detonating 24 with controller 4 respectively.Like this, after controller 4 receives the pedestrian impact signal, controller 4 is controlled section's 24 ignition and detonations that detonate, thereby the air pressure of piston 23 bottoms is had to go to the toilet to increase severely in the extremely short time and is added, upwards back down top cover 21 and continue the upwards front portion of jacking cover body 1 thereby promote piston 23, thereby by the anterior jack-up of cover body 1.
Preferably, conduit 22 is interior can be provided with position limiting structure, and position limiting structure is for after the section of detonating 24 detonates, and backstop piston 23 during piston 23 upward movement preset distance, to prevent that piston 23 integral body are from the interior ejection of conduit 22.
Like this, can avoid piston 23 integral body eject and may cause secondary injury to the pedestrian, increase the protection to the pedestrian.And, by controlling the setting position of position limiting structure, can control plunger 23 go out the stroke of conduit 22, can indirectly control the stroke that cover body 1 is upspring like this.In addition, because piston 23 can integral body not gone out conduit 22, so conduit 22 inside can guarantee certain air pressure, thereby piston 23 can not fall down after going out at once, thereby provide certain dwell time for the jacking of cover body 1.
Position limiting structure can be spacing preiection, and spacing preiection can be located on the internal face of conduit 22.Accordingly, on piston 23, can be provided with bulge-structure, thereby be suitable for spacing preiection backstop spacing.Shown in Fig. 2, can be provided with support 27 on the outside wall surface of conduit 22, this formula jacking device 2 that detonates can be fixed in machinery space by this support 27.
According to another embodiment of the invention, jacking device 2 can also be pedestrian's air bag.After pedestrian and vehicle frontal collision, pedestrian's air bag flicks like this, thereby, by the front portion of cover body 1 jack-up that makes progress, can realize protecting equally pedestrian's purpose.Should be appreciated that pedestrian's air bag can be identical or close with the common bag structure be located in bearing circle.
According to some embodiments of the present invention, as shown in Figure 1, sensor 3 is a plurality of and is suitable for being located on the front bumper 200 of vehicle, particularly, sensor 3 can be arranged between front bumper 200 and bumper energy absorption foam, and a plurality of sensors 3 can be evenly distributed on the Width of whole front bumper 200.Like this, can improve accuracy of detection, while guaranteeing pedestrian and the collision of vehicle front side different piece, sensor 3 all can detect and send pedestrian's collision alarm.
Preferably, sensor 3 comprises pressure sensor and speed sensor.Alternatively, sensor 3 can be only pressure sensor.Alternatively, sensor 3 can be only speed sensor.
According to preferred embodiments more of the present invention, after controller 4 receives the pedestrian impact signal, controller 4 is controlled jacking devices 2 by the front portion of the cover body 1 jacking 90mm-140mm that makes progress.Like this, to the protection best results of pedestrian's shank and head.According to preferred embodiments more of the present invention, jacking device 2 apart from cover body 1 forward position the distance between 0-50mm.Preferably, jacking device 2 apart from cover body 1 forward position the distance between 0-40mm.More preferably, jacking device 2 apart from cover body 1 forward position the distance between 10mm-30mm.Like this, to the protection best results of pedestrian's shank and head.
Generally speaking, car bonnet 100 in accordance with a preferred embodiment of the present invention can have following advantage:
1) this car bonnet 100 can be the pedestrian after inevitable and vehicle collision, cover body 1 front portion is lifted, increase the pedestrian protecting collision space in cover body 1 zone, forward position, when pedestrian's huckle strikes this zone, increase thigh energy-absorbing space, reduce the huckle injury values;
2) this car bonnet 100 can the pedestrian inevitable with vehicle collision after, cover body 1 front portion is lifted, when head occurs to clash into cover body 1, the reduction head vertically clashes into the component of cover body 1, and then reaches the effect of protecting head;
3) this car bonnet 100 is applied widely, and the special car type larger for body dimensions is as better as SUV, pick up texts.
Below the simple vehicle of describing according to the embodiment of the present invention.
Can comprise car bonnet 100 according to the vehicle of the embodiment of the present invention, this car bonnet 100 is according to the car bonnet 100 of describing in the above embodiment of the present invention.
Thus, according to the vehicle of the embodiment of the present invention, after pedestrian's central collision, can protect better pedestrian's shank and head, reduce the pedestrian and be hurt.
The controller 4 that is appreciated that above-mentioned car bonnet 100 can be the safety airbag ECU of vehicle.But, should be understood that, above-mentioned controller 4 can be also separately in one of ECU extra controller.
In addition, be all prior art according to other structure example of the vehicle of the embodiment of the present invention as driving engine, change-speed box etc., and be well known for ordinary skill in the art, therefore described in detail no longer one by one here.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.In addition, those skilled in the art can be engaged different embodiment or the example described in this specification sheets and combined.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can be changed above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. the car bonnet for vehicle, is characterized in that, comprising:
Cover body;
Jacking device, described jacking device is located under described cover body for the described cover body of jacking upwards, the front side of the contiguous described cover body of described jacking device;
Sensor for detection of pedestrian and described collision happens; And
Controller, described controller is connected with described jacking device with described sensor respectively, and described controller is configured to control the make progress front portion of the described cover body of jacking of described jacking device after described controller receives the pedestrian impact signal that described sensor sends.
2. the car bonnet for vehicle according to claim 1, is characterized in that, described jacking device be a plurality of and described a plurality of jacking devices described vehicle transversely toward each other.
3. the car bonnet for vehicle according to claim 1, is characterized in that, described jacking device is the formula jacking device that detonates.
4. the car bonnet for vehicle according to claim 3, is characterized in that, described jacking device comprises:
Conduit, described conduit hollow and top and bottom are opened wide respectively;
Piston, described piston is located in described conduit;
Top cover, described top cover seals the top of described conduit;
Bottom, described bottom seals the bottom of described conduit;
The section of detonating, the described section of detonating is located in described conduit and between the bottom of described bottom and described piston; And
The igniting wire harness, described igniting wire harness is connected with the described section of detonating with described controller respectively;
Wherein, after described controller receives described pedestrian impact signal, described controller is controlled the described section's ignition and detonation that detonates, so that described piston upwards backs down described top cover and the front portion of the described cover body of jacking that makes progress.
5. the car bonnet for vehicle according to claim 4, it is characterized in that, be provided with position limiting structure in described conduit, described position limiting structure is for after the described section of detonating detonates, the described piston of backstop during described piston upward movement preset distance, eject in described conduit to prevent described piston integral body.
6. the car bonnet for vehicle according to claim 3, is characterized in that, described jacking device is pedestrian's air bag.
7. the car bonnet for vehicle according to claim 1, is characterized in that, described sensor is a plurality of and is suitable for being located on the front bumper of described vehicle.
8. the car bonnet for vehicle according to claim 7, is characterized in that, described sensor comprises: pressure sensor and/or acceleration pick-up.
9. according to the described car bonnet for vehicle of any one in claim 1-8, it is characterized in that, after described controller receives described pedestrian impact signal, described controller is controlled described jacking device by the front portion of the described cover body jacking 90mm-140mm that makes progress.
10. a vehicle, is characterized in that, comprises car bonnet, and described car bonnet is according to the described car bonnet of any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103865598A CN103434477A (en) | 2013-08-29 | 2013-08-29 | Vehicle and engine hood thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103865598A CN103434477A (en) | 2013-08-29 | 2013-08-29 | Vehicle and engine hood thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103434477A true CN103434477A (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103865598A Pending CN103434477A (en) | 2013-08-29 | 2013-08-29 | Vehicle and engine hood thereof |
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| CN (1) | CN103434477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107662575A (en) * | 2016-07-27 | 2018-02-06 | 通用汽车环球科技运作有限责任公司 | Impact microphone device for the Active hood system of motor vehicles |
| CN109173116A (en) * | 2018-09-21 | 2019-01-11 | 山东交通学院 | Automobile engine nacelle extinguishing device and its extinguishing method |
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| CN107662575A (en) * | 2016-07-27 | 2018-02-06 | 通用汽车环球科技运作有限责任公司 | Impact microphone device for the Active hood system of motor vehicles |
| CN107662575B (en) * | 2016-07-27 | 2019-12-20 | 通用汽车环球科技运作有限责任公司 | Impact sensor device for an active hood system of a motor vehicle |
| CN109173116A (en) * | 2018-09-21 | 2019-01-11 | 山东交通学院 | Automobile engine nacelle extinguishing device and its extinguishing method |
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Application publication date: 20131211 |
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| RJ01 | Rejection of invention patent application after publication |