CN114408030B - Air dam device and vehicle - Google Patents
Air dam device and vehicle Download PDFInfo
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- CN114408030B CN114408030B CN202210004449.XA CN202210004449A CN114408030B CN 114408030 B CN114408030 B CN 114408030B CN 202210004449 A CN202210004449 A CN 202210004449A CN 114408030 B CN114408030 B CN 114408030B
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- air dam
- air
- controller
- vehicle head
- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/005—Front spoilers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Abstract
The invention discloses an air dam device and a vehicle, and belongs to the technical field of vehicles. The air dam device includes: the air dam comprises a plurality of air dams, a plurality of mounting seats and a plurality of first magnets; the installation bases are arranged at the bottom of the vehicle head at intervals; the air dams correspond to the mounting seats one by one, the air dams are arranged on the end faces, away from the bottom of the headstock, of the corresponding mounting seats in a turnover mode, and each air dam is provided with an adsorption assembly; the first magnets correspond to the adsorption assemblies one by one, the magnets can adsorb the adsorption assemblies correspondingly, and the distance between the first magnets and the edge of the vehicle head is smaller than the distance between the mounting seat and the edge of the vehicle head. The air dam device and the vehicle can protect the air dam and ensure the use safety of the air dam.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to an air dam device and a vehicle.
Background
In recent years, in order to achieve the goals of reducing oil consumption, reducing environmental pollution and saving resources, the automobile industry is vigorously researching two aspects, namely improving aerodynamics; secondly, the light weight of the automobile is promoted. Research shows that for a pure electric vehicle, the weight of the whole vehicle is reduced by 10kg, and the driving range can be increased by 2.5km. When the air resistance is reduced by 10 counts, the driving range is increased correspondingly. An air dam for an automobile is a component for improving aerodynamic performance, and is generally arranged below the front end of an automobile. The lower ground clearance at the front end formed by the air dam improves aerodynamic drag of the vehicle at high speed operation, improving fuel economy.
However, in the prior art, the air dam is fixed at the bottom of the vehicle head, so that the air dam is easy to collide with ground obstacles to cause easy damage, and the approach angle of the whole vehicle is sacrificed to cause poor trafficability of the whole vehicle.
Disclosure of Invention
The invention provides an air dam device and a vehicle, and solves or partially solves the technical problems that in the prior art, an air dam is fixed at the bottom of a vehicle head and is easy to collide with a ground obstacle to cause easy damage of the air dam, and the approach angle of the whole vehicle is sacrificed to cause poor trafficability of the whole vehicle.
In order to solve the above technical problem, the present invention provides an air dam apparatus comprising: the air dam comprises a plurality of air dams, a plurality of mounting seats and a plurality of first magnets; the mounting seats are arranged at the bottom of the vehicle head at intervals; the air dams correspond to the mounting seats one by one, the air dams are arranged on the end faces, away from the bottom of the vehicle head, of the corresponding mounting seats in a turnover mode, and each air dam is provided with an adsorption assembly; the first magnets correspond to the adsorption assemblies one by one, the magnets can adsorb the adsorption assemblies correspondingly, and the distance between the first magnets and the edge of the vehicle head is smaller than the distance between the mounting seat and the edge of the vehicle head.
Further, the air dam apparatus includes: a pivotal shaft; the air dam is connected with the corresponding mounting seat through the pivot shaft.
Further, the adsorption assembly includes: a plurality of adsorbing members; the adsorption pieces are arranged on the air dam in parallel at intervals.
Furthermore, the mounting seat can be arranged at the bottom of the vehicle head in a separable mode.
Further, the air dam apparatus further includes: a plurality of locking mechanisms; the locking mechanisms correspond to the mounting seats one by one, and the mounting seats are connected with the bottom of the vehicle head through the corresponding locking mechanisms.
Further, the locking mechanism includes: the lock comprises a motor, a box body, a lock hook and a lock tongue; the box body is arranged at the bottom of the vehicle head; the fixed end of the motor is fixedly connected with the box body, and the action end of the motor is connected with the first end of the lock hook; a lock hole is formed in the middle of the lock tongue, and the second end of the lock hook can be hooked in the lock hole; the bottom of the lock tongue penetrates through the box body and is fixedly connected with the mounting seat.
Further, the locking mechanism further comprises: a spring; the first end of the spring is fixedly connected with the box body, and the second end of the spring is in contact with the mounting seat.
Further, the air dam apparatus further includes: a control system; the control system includes: the alarm device comprises a sound sensor, an alarm and a controller; the sound sensor is arranged at the bottom of the vehicle head; the sound sensor is connected with the controller, and the controller is connected with the motor; the controller acquires a sound loudness decibel, compares the sound loudness decibel with a set threshold value, and sends an alarm signal to the alarm when the acquired sound loudness decibel is greater than the set threshold value.
Further, the control system further includes: the device comprises a camera, a display and a plurality of control buttons; the camera is arranged at the bottom of the vehicle head; the camera is connected with the controller, and the controller is connected with the display; the control buttons correspond to the locking mechanisms one by one, and the control buttons are connected with the controller; the camera acquires an air dam image signal and sends the air dam image signal to the controller, the controller sends the air dam image signal to the display, the control button sends a control signal to the controller according to a display image of the display, and the controller sends an action signal to a motor of the locking mechanism corresponding to the control button.
Based on the same inventive concept, the application also provides a vehicle comprising the air dam device.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the installation seats are arranged at the bottom of the headstock at intervals, the air dams correspond to the installation seats one by one, the air dams are arranged on the end faces of the corresponding installation seats, which are away from the bottom of the headstock, in a reversible manner, each air dam is provided with the adsorption component, the first magnets correspond to the adsorption components one by one, the magnets can adsorb the corresponding adsorption components, the distance between the first magnets and the edge of the headstock is smaller than the distance between the installation seats and the edge of the headstock, when a vehicle runs, foreign matters (such as stones, ice, snow and wind) impact the air dams to reach the limit of stress of the air dams, the air dams turn over on the installation seats, so that the adsorption components are separated from the first magnets, the damage of the air dams is avoided, and the foreign matters only impact the corresponding air dams, the air dam has the advantages that the air dam can be protected, the use safety of the air dam is guaranteed, the air dam is prevented from being in rigid contact with external sundries, the air dam is prevented from being damaged, the approach angle of the whole vehicle is guaranteed, the trafficability of the whole vehicle is guaranteed, when the external sundries do not impact the air dam any more, the air dam is driven by the adsorption component to fall down under the influence of gravity, the air dam overturns towards the vertical direction under the action of gravity, the adsorption component fixed on the air dam is adsorbed by the magnet again after impacting the first magnet once or for multiple times, the air dam is located at the position of normal use, the aerodynamic performance of the vehicle is guaranteed, under the condition that electric energy is not consumed, pivot motion of the air dam 1 when the air dam is stressed excessively is achieved, the position of normal use is restored when no force is applied, and energy is saved.
Drawings
FIG. 1 is a schematic structural diagram of an air dam apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the opening of the air dam apparatus of FIG. 1;
FIG. 3 is a schematic view of an air dam arrangement of the air dam apparatus of FIG. 1;
FIG. 4 is a schematic view of the structure of an air dam of the air dam apparatus of FIG. 1;
fig. 5 is a schematic view showing a locking mechanism of the air dam apparatus of fig. 1.
Detailed Description
Referring to fig. 1 to 3, an air dam apparatus according to an embodiment of the present invention includes: a plurality of air dams 1, a plurality of mounting seats 2 and a plurality of first magnets 3.
The bottom of locomotive 5 is all located at a plurality of mount pad 2 intervals.
A plurality of air dams 1 and a plurality of mount pad 2 one-to-one, air dam 1 can locate turnably on the terminal surface that corresponding mount pad 2 deviates from the bottom of locomotive 5, all is equipped with adsorption component 4 on every air dam 1.
The first magnets 3 correspond to the adsorption components 4 one by one, the magnets can adsorb the adsorption components 4 correspondingly, and the distance between the first magnets 3 and the edge of the vehicle head 5 is smaller than the distance between the mounting seat 2 and the edge of the vehicle head 5.
In the embodiment of the application, the installation bases 2 are arranged at the bottom of the vehicle head 5 at intervals, the air dams 1 correspond to the installation bases 2 one by one, the air dams 1 are arranged on the end faces, deviating from the bottom of the vehicle head 5, of the installation bases 2 correspondingly in a turnover mode, each air dam 1 is provided with the adsorption component 4, the first magnets 3 correspond to the adsorption components 4 one by one, the magnets can adsorb the corresponding adsorption components 4 correspondingly, and the distance between the first magnets 3 and the edge of the vehicle head 5 is smaller than the distance between the installation bases 2 and the edge of the vehicle head 5, so when a vehicle runs, foreign matters (such as stones, ice, snow and wind) impact the air dam 1 to reach the stress limit of the air dam 1, the air dam 1 turns over on the installation bases 2, the adsorption components 4 are separated from the first magnets 3, the damage to the air dam 1 is avoided, and the foreign matters only impact the corresponding air dam 1, the air dam has the advantages that the air dam 1 can not be influenced by other air dams 1, the aerodynamic performance of a vehicle is guaranteed, the air dam 1 can be protected, the use safety of the air dam 1 is guaranteed, the air dam 1 is prevented from being damaged due to the fact that the air dam 1 is in rigid contact with external sundries, the approach angle of the whole vehicle is guaranteed, the trafficability of the whole vehicle is guaranteed, when the external sundries do not impact the air dam 1 any more, the adsorption component 4 drives the air dam 1 to fall down under the influence of gravity, the air dam 1 is enabled to turn over in the vertical direction under the action of gravity, the adsorption component 4 fixed on the air dam 1 is adsorbed by the first magnet 3 again after impacting the magnet for one time or multiple times, the air dam 1 is located at a normal use position, the aerodynamic performance of the vehicle is guaranteed, the pivot motion of the air dam 1 when the air dam 1 is stressed excessively is achieved under the condition that electric energy is not consumed, the normal use position is restored when the air dam is not stressed, and energy is saved.
In this embodiment, a plurality of air dams 1 form "disconnected air dam", arrange that quantity and position are nimble, when some air dams among a plurality of air dams 1 damage, only need change the air dam that damages, need not change whole air dam, practice thrift the cost, the maintenance of being convenient for is changed.
In particular, the approach angle is the angle formed by the tangent to the front wheel and the ground at the salient point of the front end of the vehicle (in particular, the winch of some hard off-road vehicles arranged at the vehicle head 5 is also counted in) when the vehicle is fully loaded (maximum total mass) and at rest.
Specifically, the air dam 1 apparatus includes: a pivot axis 6.
The air dam 1 is connected with the corresponding mounting base 2 through the pivot shaft 6, and when the air dam 1 is impacted, the air dam 1 can turn over on the mounting base 2 through the pivot shaft 6.
Referring to fig. 4, the adsorption assembly 4 includes: a plurality of adsorbing members 4-1.
A plurality of absorption pieces 4-1 are arranged on the air dam 1 at intervals side by side, the weight of the air dam 1 can be guaranteed by the plurality of absorption pieces 4-1, after the air dam 1 is turned over, the air dam 1 can be driven to fall, the air dam 1 is turned over in the vertical direction under the action of gravity, and the absorption component 4 fixed on the air dam 1 is absorbed by the first magnet 3 again after impacting the magnet once or for a plurality of times, so that the air dam 1 is positioned at a normal use position, and the aerodynamic performance of a vehicle is guaranteed. Meanwhile, the plurality of adsorption pieces 4-1 can increase the structural strength of the air dam 1, and further ensure the safety of the air dam 1. Moreover, the plurality of adsorption pieces 4-1 can keep the shape of the air dam 1, and stress fatigue and shape wrinkles of the air dam 1 after long-time use are avoided.
In this embodiment, in order to guarantee that air dam 1 can overturn toward vertical direction under the effect of gravity, simultaneously, in order to guarantee air dam 1's structural strength, all can set up adsorption component 4 at air dam 1's front and back surface.
Specifically, the adsorption member 4-1 includes a ferrous member or a second magnet, ensuring that the first magnet 3 can adsorb the air dam 1.
Specifically, the first magnet 3 and the second magnet are of different magnetic poles, so that the first magnet 3 can adsorb the air dam 1.
In the present embodiment, the material of the air dam 1 may be resin or rubber.
Specifically, mount pad 2 can locate the bottom of locomotive 5 with the detachable, and when air dam 1 damaged, make corresponding mount pad 2 and locomotive 5 separation, throw the air dam 1 that damages down, the connection of the bottom of disconnection damaged air dam 1 and locomotive guarantees the trafficability characteristic of vehicle.
Referring to fig. 5, the air dam 1 apparatus further includes: a plurality of locking mechanisms 7.
A plurality of locking mechanism 7 and a plurality of mount pad 2 one-to-one, mount pad 2 is connected with the bottom of locomotive 5 through corresponding locking mechanism 7.
The lock mechanism 7 includes: the device comprises a motor 7-1, a box body 7-2, a lock hook 7-3 and a lock tongue 7-4.
The box body 7-2 is arranged at the bottom of the vehicle head 5.
The fixed end of the motor 7-1 is fixedly connected with the box body 7-2, and the action end of the motor 7-1 is connected with the first end of the locking hook 7-3.
A lock hole is formed in the middle of the lock tongue 7-4, and the second end of the lock hook 7-3 can be hooked in the lock hole.
The bottom of the bolt 7-4 is arranged through the box body 7-2 and fixedly connected with the mounting seat 2.
The ground clearance of the automobile is usually 12-20 cm, the length of the air dam 1 is usually more than 30cm, a plurality of fixing points are arranged at the bottom of the automobile head 5, when the air dam 1 is damaged, the air dam 1 is usually pulled on the ground from one fixing point, and one end of the air dam 1 is under the action of ground friction force until the fixing points fall off. When the air dam 1 is damaged, the action end of the motor 7-1 drives the lock hook 7-3 to act, so that the lock hook 7-3 is separated from the lock hole, namely the lock tongue 7-4 is separated from the lock hook 7-3, the mounting seat 2 drives the damaged air dam 1 to be separated from the vehicle head 5, and the trafficability of a vehicle is guaranteed.
Specifically, the locking mechanism 7 further includes: and 7-5 of a spring.
The first end of the spring 7-5 is fixedly connected with the box body 7-2, and the second end of the spring 7-5 is in contact with the mounting seat 2.
In the embodiment, when the air dam 1 is not damaged, the springs 7-5 are in a compressed state, when the air dam 1 is damaged, the mounting seat 2 drives the damaged air dam 1 to be separated from the vehicle head 5, the springs 7-5 extend, the mounting seat 2 can be ejected out quickly, and the trafficability characteristic of a vehicle is guaranteed.
Specifically, the air dam apparatus further includes: and (5) controlling the system.
The control system includes: sound sensor, alarm and controller.
The sound sensor is arranged at the bottom of the vehicle head 5.
The sound sensor is connected with the controller, and the controller is connected with the motor.
The controller obtains the loudness decibel of sound and compares the loudness decibel with a set threshold value, and when the obtained loudness decibel of sound is greater than the set threshold value, the controller sends an alarm signal to the alarm.
In the embodiment, when the air dam 1 is damaged, the adsorption component 4 on the air dam 1 drags on the ground and can generate harsh friction sound or knocking sound, the sound sensor acquires a sound signal and sends the sound signal to the controller, the controller acquires the sound loudness decibel and compares the sound loudness decibel with a set threshold value, when the acquired sound loudness decibel is larger than the set threshold value, an alarm signal is sent to the alarm according to the comparison result, and the alarm is arranged in the cab, so that a driver knows that the air dam 1 is damaged, and further stops parking or carefully drives, and the driving safety is ensured.
In this embodiment, the alarm may be a buzzer or a flashing light.
Specifically, the control system further includes: camera, display and a plurality of control button.
The camera is arranged at the bottom of the vehicle head 5.
The camera is connected with the controller, and the controller is connected with the display.
The control buttons correspond to the locking mechanisms one by one, and the control buttons are connected with the controller.
The camera acquires an air dam image signal and sends the air dam image signal to the controller, the controller sends the air dam image signal to the display, the control button sends a control signal to the controller according to a display image of the display, and the controller sends an action signal to a motor of the locking mechanism corresponding to the control button.
The camera acquires an air dam image signal and sends the air dam image signal to the controller, the controller sends the air dam image signal to the display, when the alarm gives an alarm, a driver watches the display and knows the damaged position and the damaged number of the air dam 1 according to a display image of the display, the driver operates the corresponding control button, the control button sends a control signal to the controller, the controller sends an action signal to the motor 7-1 of the locking mechanism 7 corresponding to the control button, the action end of the motor 7-1 drives the locking hook 7-3 to act, so that the locking hook 7-3 is separated from the locking hole, namely the locking tongue 7-4 is separated from the locking hook 7-3, the mounting seat 2 drives the damaged air dam 1 to be separated from the vehicle head 5, and the passing performance of the vehicle is guaranteed.
Based on the same inventive concept, the present application further provides a vehicle, where the vehicle employs the air dam device, and the specific structure of the air dam device refers to the above embodiments, and since the air dam device employs all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not repeated herein.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. An air dam apparatus, comprising: the air dam comprises a plurality of air dams, a plurality of mounting seats and a plurality of first magnets;
the installation bases are arranged at the bottom of the vehicle head at intervals;
the air dams correspond to the mounting seats one by one, the air dams are arranged on the end faces, away from the bottom of the vehicle head, of the corresponding mounting seats in a turnover mode, and each air dam is provided with an adsorption assembly;
the first magnets correspond to the adsorption components one by one, the adsorption components can be adsorbed by the first magnets correspondingly, and the distance between the first magnets and the edge of the vehicle head is smaller than the distance between the mounting seat and the edge of the vehicle head;
the mounting seat is detachably arranged at the bottom of the vehicle head;
the air dam apparatus further comprises: a plurality of locking mechanisms;
the locking mechanisms correspond to the mounting seats one by one, and the mounting seats are connected with the bottom of the vehicle head through the corresponding locking mechanisms;
the locking mechanism includes: the lock comprises a motor, a box body, a lock hook and a lock tongue;
the box body is arranged at the bottom of the vehicle head;
the fixed end of the motor is fixedly connected with the box body, and the action end of the motor is connected with the first end of the lock hook;
a lock hole is formed in the middle of the lock tongue, and the second end of the lock hook can be hooked in the lock hole;
the bottom of the lock tongue penetrates through the box body and is fixedly connected with the mounting seat;
the air dam apparatus further comprises: a control system;
the control system includes: the alarm device comprises a sound sensor, an alarm and a controller;
the sound sensor is arranged at the bottom of the vehicle head;
the sound sensor is connected with the controller, and the controller is connected with the motor;
the controller acquires a sound loudness decibel, compares the sound loudness decibel with a set threshold value, and sends an alarm signal to the alarm when the acquired sound loudness decibel is greater than the set threshold value.
2. The air dam apparatus of claim 1, wherein the air dam apparatus comprises: a pivotal shaft;
the air dam is connected with the corresponding mounting seat through the pivot shaft.
3. The air dam apparatus of claim 1, wherein the adsorbent assembly comprises: a plurality of adsorbing members;
the adsorption pieces are arranged on the air dam in parallel at intervals.
4. The air dam apparatus of claim 1, wherein the locking mechanism further comprises: a spring;
the first end of the spring is fixedly connected with the box body, and the second end of the spring is in contact with the mounting seat.
5. The air dam apparatus of claim 1, wherein the control system further comprises: the device comprises a camera, a display and a plurality of control buttons;
the camera is arranged at the bottom of the vehicle head;
the camera is connected with the controller, and the controller is connected with the display;
the control buttons correspond to the locking mechanisms one by one, and the control buttons are connected with the controller;
the camera acquires an air dam image signal and sends the air dam image signal to the controller, the controller sends the air dam image signal to the display, the control button sends a control signal to the controller according to a display image of the display, and the controller sends an action signal to a motor of the locking mechanism corresponding to the control button.
6. A vehicle comprising an air dam assembly as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004449.XA CN114408030B (en) | 2022-01-04 | 2022-01-04 | Air dam device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004449.XA CN114408030B (en) | 2022-01-04 | 2022-01-04 | Air dam device and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN114408030A CN114408030A (en) | 2022-04-29 |
| CN114408030B true CN114408030B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210004449.XA Active CN114408030B (en) | 2022-01-04 | 2022-01-04 | Air dam device and vehicle |
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| Country | Link |
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| CN (1) | CN114408030B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020079001A (en) * | 2001-04-12 | 2002-10-19 | 현대자동차주식회사 | An Air Dam of Car |
| DE10316847A1 (en) * | 2003-04-11 | 2004-11-11 | Dr.Ing.H.C. F. Porsche Ag | Apron at front of road vehicle for protection of pedestrian in collision extends downward from bumper to prevent pedestrian rolling under front of vehicle and has resilient airbag |
| CN103318275A (en) * | 2012-03-19 | 2013-09-25 | 株式会社三国 | Flow guiding device |
| CN204197079U (en) * | 2014-10-30 | 2015-03-11 | 长城汽车股份有限公司 | Gas dam and apply its automobile |
| CN108215776A (en) * | 2016-12-14 | 2018-06-29 | 通用汽车环球科技运作有限责任公司 | The onboard diagnostics of active air baffle plate assembly |
| CN109383640A (en) * | 2017-08-02 | 2019-02-26 | 通用汽车环球科技运作有限责任公司 | Adjustable air force component and method |
| WO2019063730A1 (en) * | 2017-09-27 | 2019-04-04 | Compagnie Plastic Omnium | Motor vehicle deflector device |
| CN211969363U (en) * | 2020-03-26 | 2020-11-20 | 北京三快在线科技有限公司 | Vehicle bumper and vehicle |
-
2022
- 2022-01-04 CN CN202210004449.XA patent/CN114408030B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020079001A (en) * | 2001-04-12 | 2002-10-19 | 현대자동차주식회사 | An Air Dam of Car |
| DE10316847A1 (en) * | 2003-04-11 | 2004-11-11 | Dr.Ing.H.C. F. Porsche Ag | Apron at front of road vehicle for protection of pedestrian in collision extends downward from bumper to prevent pedestrian rolling under front of vehicle and has resilient airbag |
| CN103318275A (en) * | 2012-03-19 | 2013-09-25 | 株式会社三国 | Flow guiding device |
| CN204197079U (en) * | 2014-10-30 | 2015-03-11 | 长城汽车股份有限公司 | Gas dam and apply its automobile |
| CN108215776A (en) * | 2016-12-14 | 2018-06-29 | 通用汽车环球科技运作有限责任公司 | The onboard diagnostics of active air baffle plate assembly |
| CN109383640A (en) * | 2017-08-02 | 2019-02-26 | 通用汽车环球科技运作有限责任公司 | Adjustable air force component and method |
| WO2019063730A1 (en) * | 2017-09-27 | 2019-04-04 | Compagnie Plastic Omnium | Motor vehicle deflector device |
| CN211969363U (en) * | 2020-03-26 | 2020-11-20 | 北京三快在线科技有限公司 | Vehicle bumper and vehicle |
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| Publication number | Publication date |
|---|---|
| CN114408030A (en) | 2022-04-29 |
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