CN108216391A - Lower guard board structure is protected after a kind of automobile - Google Patents
Lower guard board structure is protected after a kind of automobile Download PDFInfo
- Publication number
- CN108216391A CN108216391A CN201711485414.8A CN201711485414A CN108216391A CN 108216391 A CN108216391 A CN 108216391A CN 201711485414 A CN201711485414 A CN 201711485414A CN 108216391 A CN108216391 A CN 108216391A
- Authority
- CN
- China
- Prior art keywords
- automobile
- motor
- panel reality
- guard board
- protected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/02—Streamlining the undersurfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D37/00—Stabilising vehicle bodies without controlling suspension arrangements
- B62D37/02—Stabilising vehicle bodies without controlling suspension arrangements by aerodynamic means
-
- 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
-
- 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
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention protects lower guard board structure after providing a kind of automobile applied to automobile body part technical field,The lower panel reality (1) that lower guard board structure is protected after the automobile is connect by regulating member (2) with body bottom (3),Installation motor (5) in the motor box (4) of regulating member (3),The shaft of motor (5) is fixedly connected with interlocking lever (6) one end,Interlocking lever (6) other end is articulated and connected with lower panel reality (1),Motor (5) is with that can control the control unit of motor (5) start and stop and rotation direction to connect,The ontology front end (8) of lower panel reality (1) is positioned close to automobile rear bumper (9) lower end position,Lower guard board structure is protected after automobile of the present invention,It is simple in structure,Pass through the moveable rear setting for protecting lower backplate,Bottom of car air-flow can be oriented to far from vehicle body position,Increase trailing vortex and body of a motor car back distance,Increase automobile backside pressure,Reduce the air drag of automobile.
Description
Technical field
The invention belongs to automobile body part technical fields, are to protect lower backplate after being related to a kind of automobile more specifically
Structure.
Background technology
With the development of auto industry, national governments and major automobile vendor increasingly pay close attention to the energy and the dirt of automobile belt
Dye problem, other than developing the new energy and replacing traditional energy, the technology and device of various windages when reducing galloping
Constantly develop.For automobile when running at high speed, the air-flow of high speed is by headstock, to hair lid, wing, then to front windshield, vehicle
Top, the car door of both sides, body bottom, most backward tail of the body region are collected, and due to the functional topology requirement of automobile tail, make
The incoming that vehicle body arrival tail portion must be flowed through forms a stronger vortex of energy in the tail portion of automobile with rear region, at automobile back
Negative pressure is formed, larger pressure differential before and after exactly this vehicle body, the chief component for becoming vehicle resistance (goes back toughness resistance
Power, relative pressure resistance are smaller).It is shown according to related data:The automobile of one Cd*A=0.8 ㎡, speed reach 65 kilometers per small
When, the energy of dynamical system output have 55% be for overcoming air drag, and when speed reaches 120 kilometers per hour,
This ratio has reached more than 75%, so as to seriously affect vehicle complete vehicle performance.
Invention content
The technical problems to be solved by the invention are:In view of the deficiencies of the prior art, it is simple in structure to provide one kind, in automobile
Under fast state, by the moveable rear setting for protecting lower backplate, bottom of car air-flow can be oriented to far from vehicle body position, increasing
Tailing whirlpool and body of a motor car back distance, and then increase automobile backside pressure, the air drag of automobile is reduced, is reduced so as to reach
Windage protects lower guard board structure after reducing the automobile of energy consumption purpose.
Solve the problems, such as techniques discussed above, the technical solution that the present invention takes is:
The present invention protects lower guard board structure and includes lower backplate sheet to protect lower guard board structure after a kind of automobile after the automobile
Body, the lower panel reality are connect by regulating member with body bottom, and regulating member includes motor box, is installed in motor box
Motor, the shaft of motor are fixedly connected with interlocking lever one end, and the interlocking lever other end is articulated and connected with lower panel reality, motor and energy
Enough control the control unit connection of motor start and stop and rotation direction, the ontology front end of lower panel reality is protected after being positioned close to automobile
Dangerous thick stick lower end position.
The lower panel reality further includes backplate mounting bracket, the interlocking lever and the articulated connection of lower panel reality
One end is articulated and connected with backplate mounting bracket side by connecting pivot pin.
When the automobile is run at a low speed, control unit be configured to control with the interlocking lever that the shaft of motor is connect to by
The structure of near-car head direction side rotation, control unit control is with the interlocking lever that the shaft of motor is connect to by near-car head direction one
After the rotation of side, the ontology front end of lower panel reality is set as the knot being close together with the rear bumper lower end of automobile rear bumper
Structure.
During described galloping, control unit be configured to control and the interlocking lever that the shaft of motor is connect to
Close to the structure of tailstock direction side rotation, control unit control is with the interlocking lever that the shaft of motor is connect to close to tailstock direction
After the rotation of side, the ontology front end of lower panel reality is configured to below the rear bumper lower end for being moved to automobile rear bumper
The structure of position, when the ontology front end of lower panel reality is moved to the rear bumper lower end lower position of automobile rear bumper, this
Body front end is configured to the structure Chong Die with rear bumper lower end.
The control unit is controlled with the interlocking lever that the shaft of motor is connect after being rotated by near-car head direction side, institute
The lower panel reality that lower guard board structure is protected after the automobile stated is arranged in closed state, control unit control and the shaft of motor
The interlocking lever of connection is to the lower panel reality setting that lower guard board structure is protected after the rotation of tailstock direction side, after the automobile
To be in opening state.
The multiple motors of setting in the regulating member, the shaft of each motor is connect respectively with an interlocking lever, described
Lower panel reality be arranged on regulating member lower position, the interlocking lever of each motor is installed respectively with the backplate of lower panel reality
Side face is articulated and connected.
Lower guard board structure is protected after the automobile and includes two regulating members, two regulating members is regulating members I and adjust
Component II is saved, there are two backplate mounting bracket, two backplate mounting brackets is mounting bracket I and mounting bracket on lower panel reality
II, regulating member I is articulated and connected with mounting bracket I, and regulating member II is articulated and connected with mounting bracket II.
Technical solution using the present invention can obtain following advantageous effect:
Lower guard board structure, panel reality under being set in bottom of automobile body position, lower shield are protected after automobile of the present invention
Plate ontology controls change in location by motor and interlocking lever, and lower panel reality is close to automobile rear bumper position, low in automobile
When driving, the lower panel reality of control unit control of driver's cabin is closed speed, and panel reality will not be made at present for this
With.When galloping, motor is controlled to rotate by control unit, interlocking lever change in location is driven, so as to control lower shield
Plate body position moves, at this point, the ontology front end of lower panel reality is Chong Die with the rear bumper lower end of automobile rear bumper,
Realize that lower panel reality extends to automobile tail direction, after lower panel reality extends to automobile tail direction, in automobile high-speed row
When sailing, air-flow can be guided far from body tail, reduce vehicle body back negative pressure, the pressure difference value before and after vehicle reduces, windage with
Reduction, so as to reduce vehicle energy consumption, improve vehicle performance.Lower guard board structure is protected after automobile of the present invention, it is simple in structure,
Under automobile high-speed state, by the moveable rear setting for protecting lower backplate, bottom of car air-flow can be oriented to far from vehicle body
Position increases trailing vortex and body of a motor car back distance, and then increases automobile backside pressure, reduces the air drag of automobile, so as to
Reach reduction windage, reduce energy consumption purpose.
Description of the drawings
To this specification, the content expressed by each attached drawing and the label in figure make brief description below:
Fig. 1 is the side structure schematic view of the lower guard board structure of guarantor after automobile of the present invention;
Fig. 2 is the overlooking the structure diagram of the lower guard board structure of guarantor after automobile of the present invention;
Fig. 3 is protects structure diagram when lower guard board structure is closed after automobile of the present invention;
Fig. 4 is the lower structure diagram of guard board structure in the open state of guarantor after automobile of the present invention;
Fig. 5 is in status diagram when running at high speed for guard board structure under being protected after automobile of the present invention;
Attached drawing acceptance of the bid, which is remembered, is respectively:1st, lower panel reality;2nd, regulating member;3rd, body bottom;4th, motor box;5th, motor;
6th, interlocking lever;7th, air-flow;8th, ontology front end;9th, automobile rear bumper;10th, backplate mounting bracket;11st, pivot pin is connected;12nd, it is rear to protect
Dangerous thick stick lower end;13rd, regulating member I;14th, regulating member II;15th, mounting bracket I;16th, mounting bracket II.
Specific embodiment
Below against attached drawing, by the description of the embodiment, each structure for example involved to the specific embodiment of the present invention
The works such as mutual alignment and connection relation, the effect of each section and operation principle between the shape of part, construction, each section are further
Detailed description:
As shown in attached drawing 1- attached drawings 5, the present invention protects lower backplate to protect lower guard board structure after a kind of automobile after the automobile
Structure includes lower panel reality 1, and the lower panel reality 1 is connect by regulating member 2 with body bottom 3, and regulating member 3 wraps
Include motor box 4, installation motor 5, the shaft of motor 5 are fixedly connected with 6 one end of interlocking lever in motor box 4,6 other end of interlocking lever and
Lower panel reality 1 is articulated and connected, and motor 5 is with that can control the control unit of 5 start and stop of motor and rotation direction to connect, lower backplate sheet
The ontology front end 8 of body 1 is positioned close to 9 lower end position of automobile rear bumper.Above structure is set in bottom of automobile body position
Lower panel reality is put, lower panel reality controls change in location by motor and interlocking lever, and lower panel reality is protected after automobile
Dangerous thick stick position, when automobile is run at a low speed, the lower panel reality of control unit control of driver's cabin is closed, this is protected at present
Plate ontology will not have an effect.When galloping, motor is controlled to rotate by control unit, interlocking lever position is driven to become
Change, so as to which lower panel reality position be controlled to move, at this point, the ontology front end 8 of lower panel reality and automobile rear bumper
Rear bumper lower end is overlapped, and realizes that lower panel reality extends to automobile tail direction, lower panel reality prolongs to automobile tail direction
After stretching, in galloping, air-flow can be guided far from body tail, reduce vehicle body back negative pressure, the pressure before and after vehicle
Force difference value reduces, and windage decreases, and reduces vehicle energy consumption, improves vehicle performance.Lower guard board structure is protected after the automobile of the present invention,
It is simple in structure, under automobile high-speed state, by the moveable rear setting for protecting lower backplate, bottom of car air-flow can be oriented to
Far from vehicle body position, increase trailing vortex and body of a motor car back distance, and then increase automobile backside pressure, reduce the air resistance of automobile
Power so as to reach reduction windage, reduces energy consumption purpose.
The lower panel reality 1 further includes backplate mounting bracket 10, and the interlocking lever 6 is hinged with lower panel reality 1
One end of connection is articulated and connected with 10 side of backplate mounting bracket by connecting pivot pin 11.Above structure installs branch by backplate
The setting of frame, interlocking lever is connect with backplate mounting bracket, and lower panel reality is fixedly connected with backplate mounting bracket, in this way, even
It is flexibly connected between lever and backplate mounting bracket, in motor control interlocking lever rotation, interlocking lever fast can flexibly drive
Lower panel reality position change in galloping, makes trailing vortex reduce vehicle body back far from vehicle body by lower panel reality
Negative pressure reduces windage.
When the automobile is run at a low speed, control unit be configured to the interlocking lever 6 that is connect with the shaft of motor 5 of control to
By the structure of near-car head direction side rotation, the interlocking lever 6 that control unit control is connect with the shaft of motor 5 is to by near-car head side
After being rotated to side, the ontology front end 8 of lower panel reality 1 is set as close with the rear bumper lower end 12 of automobile rear bumper 8
Structure together.During described galloping, control unit is configured to the company that control is connect with the shaft of motor 5
Lever 6 to the structure close to the rotation of tailstock direction side, the control unit interlocking lever 6 that is connect with the shaft of motor 5 of control to by
After nearly tailstock direction side rotation, the ontology front end 8 of lower panel reality 1 is configured to after being moved to automobile rear bumper 9
The structure of 12 lower position of bumper lower end, the ontology front end 8 of lower panel reality 1 are moved to the rear insurance of automobile rear bumper 9
During 12 lower position of thick stick lower end, ontology front end 8 is configured to the structure Chong Die with rear bumper lower end 12.Above structure, energy
Panel reality switches between closing and opening two states and adjusts under enough convenient and efficient control, when backplate is opened instantly, lower shield
Plate, which plays, reduces vehicle body back suction function.And automobile, when running at a low speed, windage is smaller, this backplate closed state at present, lower shield
Plate will not have an effect.Lower guard board structure is protected after automobile of the present invention, windage can be reduced, reduces energy consumption, it is energy saving,
The vehicle modeling under normal condition and the departure angle at vehicle rear portion are not influenced, and installation facilitates, and usage range is wide.
The control unit controls the interlocking lever 6 being connect with the shaft of motor 5 after being rotated by near-car head direction side,
The lower panel reality 1 that lower guard board structure is protected after the automobile is arranged in closed state, control unit control and motor 5
The interlocking lever 6 of shaft connection is to the lower backplate sheet that lower guard board structure is protected after the rotation of tailstock direction side, after the automobile
Body 1 is arranged in opening state.
The multiple motors 5 of setting, the shaft of each motor 5 are connect respectively with an interlocking lever 6 in the regulating member 2,
The lower panel reality 1 is arranged on 2 lower position of regulating member, the interlocking lever 6 of each motor 5 respectively with lower panel reality 1
Backplate mounting bracket 10 be hinged at connecting.Above structure, each lower panel reality pass through two motors and two interlocking levers
Connection, thus it is ensured that the camber line and shift position when being moved to lower panel reality are reliably controlled, so that lower backplate sheet
Body can accurately control relative position between lower panel reality and automobile rear bumper in the open state, so as to effectively reduce
Windage improves performance.
Lower guard board structure is protected after the automobile and includes two regulating members 2, two regulating members 2 are regulating member I 13
There are two backplate mounting bracket 10, two backplate mounting brackets 10 it is mounting bracket on lower panel reality 1 with regulating member II 14
I 15 and mounting bracket II 16, regulating member I 13 is articulated and connected with mounting bracket I 15, regulating member II 14 and mounting bracket II 16
Articulated connection.Above structure, lower panel reality are arranged in below body of a motor car, after extending to automobile from automobile rear bumper left side
On the right side of bumper, realize to comprehensive covering below automobile rear bumper, backplate sheet under two 2 reliable and stable supports of regulating member
Body, and lower panel reality can realize the windage at each position of rear bumper far from automobile rear bumper, so as to far from vehicle body.
Lower guard board structure, panel reality under being set in bottom of automobile body position, lower shield are protected after automobile of the present invention
Plate ontology controls change in location by motor and interlocking lever, and lower panel reality is close to automobile rear bumper position, low in automobile
When driving, the lower panel reality of control unit control of driver's cabin is closed speed, and panel reality will not be made at present for this
With.When galloping, motor is controlled to rotate by control unit, interlocking lever change in location is driven, so as to control lower shield
Plate body position moves, at this point, the ontology front end of lower panel reality is Chong Die with the rear bumper lower end of automobile rear bumper,
Realize that lower panel reality extends to automobile tail direction, after lower panel reality extends to automobile tail direction, in automobile high-speed row
When sailing, air-flow can be guided far from body tail, reduce vehicle body back negative pressure, the pressure difference value before and after vehicle reduces, windage with
Reduction, so as to reduce vehicle energy consumption, improve vehicle performance.Lower guard board structure is protected after automobile of the present invention, it is simple in structure,
Under automobile high-speed state, by the moveable rear setting for protecting lower backplate, bottom of car air-flow can be oriented to far from vehicle body
Position increases trailing vortex and body of a motor car back distance, and then increases automobile backside pressure, reduces the air drag of automobile, so as to
Reach reduction windage, reduce energy consumption purpose.
Illustrative description is carried out to the present invention above in conjunction with attached drawing, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as employing the various improvement or not improved by this of inventive concept and technical scheme of the present invention progress
The design of invention and technical solution directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. lower guard board structure is protected after a kind of automobile, it is characterised in that:Lower guard board structure is protected after the automobile and includes lower backplate sheet
Body (1), the lower panel reality (1) are connect by regulating member (2) with body bottom (3), and regulating member (3) is including motor
Box (4), the interior installation motor (5) of motor box (4), the shaft of motor (5) are fixedly connected with interlocking lever (6) one end, and interlocking lever (6) is another
One end is articulated and connected with lower panel reality (1), motor (5) and the control unit that can control motor (5) start and stop and rotation direction
Connection, the ontology front end (8) of lower panel reality (1) is positioned close to automobile rear bumper (9) lower end position.
2. lower guard board structure is protected after automobile according to claim 1, it is characterised in that:The lower panel reality (1) is also
Including backplate mounting bracket (10), the interlocking lever (6) and one end of lower panel reality (1) articulated connection and backplate installation branch
Frame (10) side is articulated and connected by connecting pivot pin (11).
3. lower guard board structure is protected after automobile according to claim 1 or 2, it is characterised in that:When the automobile is run at a low speed,
Control unit is configured to the control interlocking lever (6) that is connect with the shaft of motor (5) to being rotated by near-car head direction side
Structure, the interlocking lever (6) that control unit control is connect with the shaft of motor (5) by near-car head direction side after rotating, lower shield
The ontology front end (8) of plate ontology (1) is set as the knot being close together with the rear bumper lower end of automobile rear bumper (8) (12)
Structure.
4. lower guard board structure is protected after automobile according to claim 1 or 2, it is characterised in that:During galloping, control
Component is configured to the structure that the interlocking lever (6) that control is connect with the shaft of motor (5) is rotated to close tailstock direction side,
The interlocking lever (6) that control unit control is connect with the shaft of motor (5) close to tailstock direction side after rotating, lower panel reality
(1) ontology front end (8) is configured to be moved to the knot of rear bumper lower end (12) lower position of automobile rear bumper (9)
Structure, the ontology front end (8) of lower panel reality (1) are moved to rear bumper lower end (12) lower position of automobile rear bumper (9)
When, ontology front end (8) are configured to the structure Chong Die with rear bumper lower end (12).
5. lower guard board structure is protected after automobile according to claim 4, it is characterised in that:The control unit control and electricity
The interlocking lever (6) of the shaft connection of machine (5) protects lower guard board structure after being rotated by near-car head direction side, after the automobile
Lower panel reality (1) is arranged in closed state, the interlocking lever (6) that control unit control is connect with the shaft of motor (5) to
The lower panel reality (1) that lower guard board structure is protected after the rotation of tailstock direction side, after the automobile is arranged in opening
State.
6. lower guard board structure is protected after automobile according to claim 1 or 2, it is characterised in that:It is set in the regulating member (2)
Multiple motors (5) are put, the shaft of each motor (5) is connect respectively with an interlocking lever (6), and the lower panel reality (1) is set
It puts in regulating member (2) lower position, the interlocking lever (6) of each motor (5) installs branch with the backplate of lower panel reality (1) respectively
Frame (10) is hinged at connecting.
7. lower guard board structure is protected after automobile according to claim 1 or 2, it is characterised in that:Lower guard board structure is protected after automobile
Including two regulating members (2), two regulating members (2) are regulating member I (13) and regulating member II (14), lower panel reality
(1) there are two backplate mounting bracket (10) on, two backplate mounting brackets (10) are mounting bracket I (15) and mounting bracket II
(16), regulating member I (13) is articulated and connected with mounting bracket I (15), and regulating member II (14) is hinged with mounting bracket II (16)
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711485414.8A CN108216391B (en) | 2017-12-29 | 2017-12-29 | automobile rear protective lower guard plate structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711485414.8A CN108216391B (en) | 2017-12-29 | 2017-12-29 | automobile rear protective lower guard plate structure |
Publications (2)
Publication Number | Publication Date |
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CN108216391A true CN108216391A (en) | 2018-06-29 |
CN108216391B CN108216391B (en) | 2019-12-13 |
Family
ID=62647348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711485414.8A Expired - Fee Related CN108216391B (en) | 2017-12-29 | 2017-12-29 | automobile rear protective lower guard plate structure |
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CN (1) | CN108216391B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111017048A (en) * | 2019-12-27 | 2020-04-17 | 新昌县联航机械有限公司 | Automobile rear bumper spoiler |
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CN204383615U (en) * | 2015-01-16 | 2015-06-10 | 吉林大学 | Telescoping automobile tail fin |
JP2016168980A (en) * | 2015-03-13 | 2016-09-23 | トヨタ自動車株式会社 | Spoiler structure for automobile |
CN205906082U (en) * | 2016-06-23 | 2017-01-25 | 宝丽恒通(天津)科技股份有限公司 | Spoiler behind new energy automobile |
CN206257580U (en) * | 2016-11-29 | 2017-06-16 | 奇瑞汽车股份有限公司 | A kind of taillight for reducing air resistance coefficient |
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2017
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US6196620B1 (en) * | 1999-03-19 | 2001-03-06 | William H. Haraway, Jr. | Aerodynamically responsive vehicular undercarriage safety spoiler system |
CN1530250A (en) * | 2003-03-16 | 2004-09-22 | 骁 李 | Vehicle tail gas exhausting resistance reducting scheme |
JP2005153628A (en) * | 2003-11-21 | 2005-06-16 | Hibino Kagaku Kogyo Kk | Aero parts for automobile |
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JP2016168980A (en) * | 2015-03-13 | 2016-09-23 | トヨタ自動車株式会社 | Spoiler structure for automobile |
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CN111017048A (en) * | 2019-12-27 | 2020-04-17 | 新昌县联航机械有限公司 | Automobile rear bumper spoiler |
CN111017048B (en) * | 2019-12-27 | 2021-10-29 | 常州市凌越装备科技有限公司 | Automobile rear bumper spoiler |
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Publication number | Publication date |
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CN108216391B (en) | 2019-12-13 |
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Granted publication date: 20191213 Termination date: 20201229 |