CN105365717A - Automobile turbulence device capable of reducing wind resistance - Google Patents
Automobile turbulence device capable of reducing wind resistance Download PDFInfo
- Publication number
- CN105365717A CN105365717A CN201510899867.XA CN201510899867A CN105365717A CN 105365717 A CN105365717 A CN 105365717A CN 201510899867 A CN201510899867 A CN 201510899867A CN 105365717 A CN105365717 A CN 105365717A
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- China
- Prior art keywords
- air bag
- automobile
- insurance
- shoulder
- flexible variable
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/001—For commercial vehicles or tractor-trailer combinations, e.g. caravans
- B62D35/004—Inflatable nose or rear cones
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an automobile turbulence device capable of reducing wind resistance. The automobile turbulence device comprises a flexible variable front bumper, a flexible variable rear bumper and an inflation control device. The flexible variable front bumper is arranged at the front end of an automobile, and comprises a bumper body, a first inflation air bag arranged in front of the bumper body, and a second inflation air bag arranged in the first inflation air bag. The flexible variable rear bumper is arranged at the rear end of the automobile and comprises a bumper body, a third inflation air bag arranged behind the bumper body, and a fourth inflation air bag arranged in the third inflation air bag. The inflation control device comprises a controller, an air storage cylinder and solenoid valves. The first inflation air bag, the second inflation air bag, the third inflation air bag and the fourth inflation air bag are all connected to the air storage cylinder through the solenoid valves. According to the automobile turbulence device, the running wind resistance of the automobile can be effectively reduced, and the utilization rate of automobile fuel can be increased.
Description
Technical field
The present invention relates to vehicle structure field, particularly relate to a kind of automobile disturbing flow device reducing windage.
Background technology
Automobile body shape-designing is a very large knowledge, and wherein emphasis is exactly tare, structural strength and windage problem.Automobile windage mostly refers to the resistance that the outside of automobile and airflow function produce.In fact, the air-flow flowing through automotive interior also forms resistance to the traveling of automobile.Research shows, the resistance acted on automobile is made up of 5 parts.
One, outer form-drag, refers to account for 58% of whole air resistance by the resistance that the difference of the positive pressure of automotive front and the negative pressure of body tail is formed;
Two, interference drag, refers to as bumper/spoiler, back mirror, front licence plate, drainage channel, chassis gearing mechanism etc. cause air-flow to interfere with each other the resistance of generation, account for 14% of whole air resistance by the part that car surface is outstanding;
Three, internal drag, refers to automotive interior draft, resistance that the air-flow etc. of cooled engine causes, accounts for 12% of whole air resistance;
Four, the resistance that the lift produced by running at high speed causes, accounts for 7% of whole air resistance;
Five, the friction force of the relative vehicle body flowing of air, accounts for 9% of whole air resistance;
At present for first and second kind of resistance, motorcar body should be designed to stream line pattern as far as possible, lateral cross-sectional area is not too big, the suitable arc transition of vehicle body each several part, reduce the annex of outstanding vehicle body as far as possible, front face, engine compartment cover, front windshield suitably tilt backwards, and the length of rear window, back header, the design at inclination angle are wanted suitably.In addition, can also mounting guiding board or spoiler in position.By studying the air-flow rule of automobile external, not only can design more reasonably body structure, can also guide air-flow dexterously, the dust suitably utilizing the scouring action of local air flow to reduce on vehicle body deposits.Some vehicles is even different to the demand of air inlet for different speed per hour, develops the import grid automatically can closed in high-speed case.
Application number is 201120540281.1, and name is called " a kind of automotive wheel guiding device " also discloses and a kind of arrange water conservancy diversion cover body in wheel side, and controls water conservancy diversion cover body by slide mechanism, thus reduces the technical scheme of windage.
Exist with next problem in existing automobile windage design:
1, just open by simply controlling air-inlet grille or close, or reduce internal resistance by installing the spoilers such as simple empennage additional;
2, need to set up spoiler motor or hydraulic gear, vehicle weight increases many;
3, the structure of spoiler is simple, and the effect reducing windage is not limit.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of automobile disturbing flow device reducing windage, for reducing windage during galloping, improving the utilization ratio of fuel.
The present invention is achieved in that
Reduce an automobile disturbing flow device for windage, comprise that insurance before flexible variable is shouldered, insure after flexible variable and shoulder and aeration control device;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag below, and the 4th air bag be arranged in the 3rd air bag, described 3rd air bag is the taper air bag of middle part to rearward projection;
Described aeration control device comprises controller, gaholder and electromagnetic valve, described first air bag, the second air bag, the 3rd air bag and the 4th air bag are connected to gaholder respectively by pipeline and electromagnetic valve, when the moving velocity of automobile exceedes default threshold value, controller controls described solenoid valve conduction, shoulders and insures after flexible variable shoulder inflation to insurance before flexible variable.
Further, described aeration control device comprises the first gaholder and the second gaholder, described first gaholder is arranged in car engine cabin, described first air bag is connected with the first gaholder with the second air bag, second gaholder is arranged in automotive back railway carriage or compartment, and the 3rd air bag is connected with the second gaholder with the 4th air bag.
Further, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
Further, the upper surface of described 3rd air bag and lower surface are curve slope.
Further, described aeration control device also comprises vacuum extractor, described first air bag, the second air bag, the 3rd air bag are connected to described vacuum extractor with the 4th air bag, vacuum extractor is used for when the moving velocity of automobile is reduced to below described default threshold value, extracts the gas in the first air bag, the second air bag, the 3rd air bag and the 4th air bag.
Further, described default threshold value is 80 ㎞/h ~ 110 ㎞/h.
For solving the problems of the technologies described above, another technical scheme provided by the invention is:
Reduce an automobile disturbing flow device for windage, comprise insurance before flexible variable shoulder with flexible variable after insure and shoulder;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag below, and the 4th air bag be arranged in the 3rd air bag, described 3rd air bag is the taper air bag of middle part to rearward projection;
Described first air bag, the second air bag, the 3rd air bag and the 4th air bag are connected to the vent pipe of car engine charging turbine set.
Further, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
Further, the upper surface of described 3rd air bag and lower surface are curve slope.
Beneficial effect of the present invention is: before the automobile disturbing flow device that the present invention can reduce windage comprises flexible variable, insurance is shouldered, after flexible variable, insurance is shouldered and aeration control device, before variable insurance shoulder with flexible variable after insurance shoulder and be provided with air bag, when car speed exceedes the threshold value of setting, aeration control device just before flexible variable insurance shoulder with flexible variable after insure in the air bag shouldered and inflate, thus change the shape of automobile windward side and leeward end, can effectively reduce front part of vehicle wind area, optimize tailstock portion flow-disturbing, reduce windage when running at high speed, automobile energy consumption can be reduced, improve energy utilization rate, and, the present invention adopts air bag as main structural materials, its structure is simple, lightweight, substantially the complete vehicle weight of automobile is not increased, further, the structure based on air bag has good flexibility characteristics, is arranged on headstock insurance and shoulders the effect that buffering collision of closed can be played in position, the pedestrian protecting function of effective lifting vehicle.
Accompanying drawing explanation
Fig. 1 is the module frame chart that embodiment of the present invention can reduce the automobile disturbing flow device of windage;
Vehicle side surface view when Fig. 2 is air bag unaerated in embodiment of the present invention and birds-eye view;
Fig. 3 be in embodiment of the present invention air bag inflation after vehicle side surface view and birds-eye view.
Label declaration:
1, the first air bag; 2, the second air bag; 3, the first gaholder;
4, the first controller; 5, the 4th air bag; 6, the 3rd air bag;
7, the second gaholder; 8, second controller.
Detailed description of the invention
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Embodiment one
Refer to Fig. 1 to Fig. 3, embodiment of the present invention, a kind of automobile disturbing flow device reducing windage, this automobile disturbing flow device comprises that insurance before flexible variable is shouldered, insure after flexible variable and shoulder and aeration control device.
Wherein, before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag 1 insuring and shoulder before body, and be arranged at the second air bag 2 in the first air bag 1, described first air bag 1 is the taper air bag of middle part to front protrusion.
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag 6 below (wherein, described " above " " below " take automobile as object of reference, the direction of automobile head indication is above, the direction of tailstock indication is below), and the 4th air bag 5 be arranged in the 3rd air bag 6, described 3rd air bag is the taper air bag of middle part to rearward projection.Wherein, the structure that body is shouldered in insurance shoulders by inches with existing automobile front protecting and rear insurance is shouldered consistent.
Described aeration control device comprises the first controller 4, second controller 8, first gaholder 3 and the second gaholder 7, is integrated with electromagnetic valve in described first controller 4 and second controller 8.Described first air bag 1, second air bag 2 is connected to the first gaholder 3 respectively by pipeline, 3rd air bag 6 and the 4th air bag 5 are connected to the second gaholder 7 respectively by pipeline, wherein the first controller 4 controls for the inflation/deflation of the first air bag 1, second air bag 2, and second controller 8 controls for the inflation/deflation of the 3rd air bag 6 and the 4th air bag 5.
When the moving velocity of automobile exceedes default threshold value, described first controller and second controller then control described solenoid valve conduction, shoulder and insure after flexible variable and shoulder inflation, namely inflate to the 4th air bag the first air bag insurance before flexible variable.Refer to Fig. 2, be the contour structures of automobile during unaerated, refer to Fig. 3, for before described flexible variable insurance shoulder and after flexible variable insurance shoulder inflation after, the contour structures of automobile.Can effectively reduce front part of vehicle wind area after visible inflation, and optimize the flow-disturbing in tailstock portion, thus automobile windage coefficient is reduced, effectively reduce windage during galloping.
Described second air bag 2 and the 4th air bag 5 are played a supporting role, the first air bag 1 and the 3rd air bag 6 is made to have stronger anti-deformation intensity, thus ensure that, when galloping, air bag can not be out of shape because of stream pressure, affect its water conservancy diversion effect.
In the present embodiment, it is two gaholder and two controllers (i.e. the first gaholder 3, second gaholder 7, first controller 4, second controller 8) that described aeration control device comprises, and in other embodiments, described aeration control device also only can be provided with a gaholder and a controller, wherein, first to fourth air bag is all connected to same gaholder, and controls inflation/deflation by with a controller.
In the present embodiment, when the speed of a motor vehicle of automobile is more than 80 ㎞/h, before described first controller 4 and second controller 8 control the first gaholder 3 and the second gaholder 7 pairs of flexible variables, insurance is shouldered and is insured after flexible variable and shoulders inflation, and namely described default threshold value is 80 ㎞/h.And in some other embodiments, the arbitrary value in when described default threshold value can be 80 ㎞/h ~ 120 ㎞/h.
In the present embodiment, the upper surface of described first air bag 1 is the curve slope that forward downward tilts, the lower surface of the first air bag 1 is horizontal plane, upper surface and the car engine hatchcover of the first air bag 1 seamlessly transit, lower surface flushes with car chassis, and upper surface and the lower surface of described 3rd air bag 6 are curve slope.Therefore, when galloping, the air-flow velocity of lower surface can be greater than at the air-flow velocity of automobile upper surface, thus the downforce that generation one is larger, make automobile when running at high speed, still there is better earth-grasping force, ensure handling and safety during galloping.
In some automobiles, automobile is integrated with pneumatically operated brake at car, pneumatically operated brake includes air pump and gaholder, therefore, in one embodiment, described automobile disturbing flow device does not arrange gaholder, in these vehicles, can directly use the gaholder in former pneumatically operated brake as the source of the gas of air bag, i.e. the first air bag ~ the 4th air bag is connected to the gaholder of pneumatically operated brake by pipeline, and controls inflation/deflation by the controller mentioned in above embodiment.
During for making automobile from high-speed travel state to low-speed running state, before described flexible variable, insurance is shouldered, insure the air bag in shouldering after flexible variable can pack up timely, in the present embodiment, also in described aeration control device, be provided with vacuum extractor, described first air bag, second air bag, 3rd air bag is connected to described vacuum extractor with the 4th air bag, vacuum extractor is used for when the moving velocity of automobile is reduced to below described default threshold value, namely during 80 ㎞/h, vacuum extractor is just opened, extract the first air bag, second air bag, gas in 3rd air bag and the 4th air bag, thus the first air bag and the second air bag and the 3rd air bag and the 4th air bag are packed up.
Embodiment two
Reduce an automobile disturbing flow device for windage, identical with embodiment one, in the present embodiment, be provided with insurance before same flexible variable shoulder with flexible variable after insure and shoulder,
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag below, and the 4th air bag be arranged in the 3rd air bag, described 3rd air bag is the taper air bag of middle part to rearward projection.
Be with the difference of embodiment one, the automobile disturbing flow device of present embodiment is only applicable to the automobile with charging turbine set, therefore, the automobile disturbing flow device of present embodiment does not arrange gaholder, described first air bag, the second air bag, the 3rd air bag and the 4th air bag are connected to the vent pipe of car engine charging turbine set, and the vent pipe of described charging turbine set and charging turbine set are to the gas line of engine supercharging.By charging turbine set, the first air bag, the second air bag, the 3rd air bag and the 4th air bag are inflated.
In existing turbo-charging automobile, turbine is generally when car engine revolution exceedes certain value, and just open turbine is to starting supercharging, and now automobile is all travel with higher speed per hour substantially, or raising speed from low speed to high speed process.And in present embodiment, automobile disturbing flow device is shouldered insurance before flexible variable at this moment just and is insured to shoulder after flexible variable and inflates, thus windage when reducing galloping.In the present embodiment, the aeration control device saved, and directly adopt charging turbine set to carry out inflating and ventilating control, not only greatly reduce the weight of automobile disturbing flow device, save hardware cost, also simplify the controlling mechanism of air bag.
In sum, the present invention, by changing the shape of automobile windward side and leeward end, can effectively reduce front part of vehicle wind area, optimizes tailstock portion flow-disturbing, reduce windage when running at high speed, can automobile energy consumption be reduced, improve energy utilization rate, and, the present invention adopts air bag as main structural materials, its structure is simple, lightweight, does not substantially increase the complete vehicle weight of automobile; Further, the structure based on air bag has good flexibility characteristics, is arranged on headstock insurance and shoulders the effect that buffering collision of closed can be played in position, the pedestrian protecting function of effective lifting vehicle.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. can reduce an automobile disturbing flow device for windage, it is characterized in that, comprise that insurance before flexible variable is shouldered, insure after flexible variable and shoulder and aeration control device;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag below, and the 4th air bag be arranged in the 3rd air bag, described 3rd air bag is the taper air bag of middle part to rearward projection;
Described aeration control device comprises controller, gaholder and electromagnetic valve, described first air bag, the second air bag, the 3rd air bag and the 4th air bag are connected to gaholder respectively by pipeline and electromagnetic valve, when the moving velocity of automobile exceedes default threshold value, controller controls described solenoid valve conduction, shoulders and insures after flexible variable shoulder inflation to insurance before flexible variable.
2. the automobile disturbing flow device reducing windage according to claim 1, it is characterized in that, described aeration control device comprises the first gaholder and the second gaholder, described first gaholder is arranged in car engine cabin, described first air bag is connected with the first gaholder with the second air bag, second gaholder is arranged in automotive back railway carriage or compartment, and the 3rd air bag is connected with the second gaholder with the 4th air bag.
3. the automobile disturbing flow device reducing windage according to claim 1, is characterized in that, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
4. the automobile disturbing flow device reducing windage according to claim 1, is characterized in that, upper surface and the lower surface of described 3rd air bag are curve slope.
5. the automobile disturbing flow device reducing windage according to claim 1, it is characterized in that, described aeration control device also comprises vacuum extractor, described first air bag, the second air bag, the 3rd air bag are connected to described vacuum extractor with the 4th air bag, vacuum extractor is used for when the moving velocity of automobile is reduced to below described default threshold value, extracts the gas in the first air bag, the second air bag, the 3rd air bag and the 4th air bag.
6. the automobile disturbing flow device reducing windage according to claim 1, is characterized in that, described default threshold value is 80 ㎞/h ~ 110 ㎞/h.
7. can reduce an automobile disturbing flow device for windage, it is characterized in that, comprise insurance before flexible variable shoulder with flexible variable after insure and shoulder;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
After described flexible variable, the rear end being arranged at automobile is shouldered in insurance, comprise insuring to shoulder body and be arranged at insurance and shoulder body the 3rd air bag below, and the 4th air bag be arranged in the 3rd air bag, described 3rd air bag is the taper air bag of middle part to rearward projection;
Described first air bag, the second air bag, the 3rd air bag and the 4th air bag are connected to the vent pipe of car engine charging turbine set.
8. the automobile disturbing flow device reducing windage according to claim 7, is characterized in that, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
9. the automobile disturbing flow device reducing windage according to claim 7, is characterized in that, upper surface and the lower surface of described 3rd air bag are curve slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899867.XA CN105365717B (en) | 2015-12-08 | 2015-12-08 | A kind of automobile disturbing flow device reducing windage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899867.XA CN105365717B (en) | 2015-12-08 | 2015-12-08 | A kind of automobile disturbing flow device reducing windage |
Publications (2)
| Publication Number | Publication Date |
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| CN105365717A true CN105365717A (en) | 2016-03-02 |
| CN105365717B CN105365717B (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510899867.XA Active CN105365717B (en) | 2015-12-08 | 2015-12-08 | A kind of automobile disturbing flow device reducing windage |
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| CN (1) | CN105365717B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184003A (en) * | 2016-08-26 | 2016-12-07 | 奇瑞汽车股份有限公司 | Reduce method and the outside rear-view mirror cover of outside rear-view mirror windage |
| CN110329288A (en) * | 2019-07-30 | 2019-10-15 | 东莞开道科技有限公司 | Railcar |
| CN115923950A (en) * | 2022-12-16 | 2023-04-07 | 武汉路特斯汽车有限公司 | Vehicle aerodynamics external member control system and vehicle |
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| US4930823A (en) * | 1989-07-19 | 1990-06-05 | David Rivera | Vehicle bumper |
| US4978162A (en) * | 1989-11-29 | 1990-12-18 | Labbe Francois P | Drag reducer for rear end of vehicle |
| US5236347A (en) * | 1991-08-29 | 1993-08-17 | Andrus Paul G L | Drag reducer for rear end of vehicle |
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| US4006932A (en) * | 1975-07-21 | 1977-02-08 | The United States Of America As Represented By The Secretary Of The Department Of Transportation | Inflatable drag reducer for land vehicles |
| US4702509A (en) * | 1986-05-27 | 1987-10-27 | Elliott Sr Morris C | Long-haul vehicle streamline apparatus |
| US4930823A (en) * | 1989-07-19 | 1990-06-05 | David Rivera | Vehicle bumper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106184003A (en) * | 2016-08-26 | 2016-12-07 | 奇瑞汽车股份有限公司 | Reduce method and the outside rear-view mirror cover of outside rear-view mirror windage |
| CN106184003B (en) * | 2016-08-26 | 2018-09-21 | 奇瑞汽车股份有限公司 | Reduce the outside rear-view mirror cover of outside rear-view mirror windage |
| CN110329288A (en) * | 2019-07-30 | 2019-10-15 | 东莞开道科技有限公司 | Railcar |
| CN115923950A (en) * | 2022-12-16 | 2023-04-07 | 武汉路特斯汽车有限公司 | Vehicle aerodynamics external member control system and vehicle |
| CN115923950B (en) * | 2022-12-16 | 2023-10-31 | 武汉路特斯汽车有限公司 | Vehicle aerodynamic suite control system and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105365717B (en) | 2016-10-26 |
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