CN1145317A - Automobile tail choked flow device - Google Patents
Automobile tail choked flow device Download PDFInfo
- Publication number
- CN1145317A CN1145317A CN96115741A CN96115741A CN1145317A CN 1145317 A CN1145317 A CN 1145317A CN 96115741 A CN96115741 A CN 96115741A CN 96115741 A CN96115741 A CN 96115741A CN 1145317 A CN1145317 A CN 1145317A
- Authority
- CN
- China
- Prior art keywords
- oil
- spoiler
- electromagnetic valve
- solenoid valve
- rising
- 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.)
- Pending
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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
- B62D35/007—Rear spoilers
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
A tail spoiler for sedan car is installed over trunk cover by two pivoted stands. A cylinder whose piston rod is connected to the spolier is arranged under the central spoiler. Said system can be controlled by an oil-electricity integrated controller to continuously regulate the spoiler when sedan car is running, in order to change its flow-resistant action and in turn to increase the stability and safety of sedan car, as well as its drive performance.
Description
When the present invention relates to car and running at high speed, keep the device of adhesion of wheels and vehicle stability.
As everyone knows, when car was run at high speed, particularly under the little situation of car rear section load, vehicle body leaned forward, and the rear portion upwarps, and trailing wheel adhesive ability reduces, vehicle stability, deterioration of safety.In order to overcome above-mentioned shortcoming, cover at the car boot in recent years and tail choked flow device occurred, automobile tail choked flow device is to be provided with bearing at the spoiler two ends, bearing is fastened on boot and covers, what have also is provided with fixing bearing at the spoiler middle part, this automobile tail choked flow device is owing to fix, at vehicle start and low, in, each stage of running at high speed, under various states and the various road conditions condition, all play same choked flow effect, can not conversion choked flow effect with the variation of adhesion of wheels and vehicle stability, so the fixed type tail choked flow device has reduced the dynamic property and the economy of vehicle.
The objective of the invention is, provide a kind of can conversion choked flow effect with the variation of adhesion of wheels and vehicle stability, can either guarantee that vehicle is in starting and low, the dynamic property when driving at moderate speed, economy, can when high vehicle speeds, remain the automobile tail choked flow device of best adhesion of wheels and vehicle stability, safety again.
For achieving the above object, the present invention can adopt following scheme to realize: the side of covering is provided with spoiler at the car boot, the spoiler two ends are provided with bearing, bearing is fastened on boot and covers, its keystone configuration characteristics are, connection is cut with scissors mutually with bearing in the spoiler two ends, and middle part, spoiler below is provided with oil cylinder, and the piston rod of oil cylinder is connected with spoiler.
The present invention is because connection is cut with scissors mutually with bearing in the spoiler two ends, and middle part, spoiler below is provided with oil cylinder, and in-oil cylinder reciprocating motion of the pistons drives spoiler through piston rod and fluctuates; Reciprocating motion of the pistons is owing to adopt oil-electrical integrated control system, spoiler can friction speed, various state and various road conditions condition in vehicle ' under, constantly fluctuate, the automatic compensation angle, the constantly choked flow effect of conversion spoiler, remain wheel and be in best adhesive ability, improve vehicle stability, safety and dynamic property thereof, economy.The present invention is applicable to various light buss, is specially adapted to various cars, sport car, racing car etc.
Description of drawings
Accompanying drawing is a kind of scheme drawing of the present invention, also is the scheme drawing of a kind of embodiment.
Fig. 1 is a front view, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the birds-eye view of Fig. 1, and Fig. 4 is the A-A cutaway view Amplified image of Fig. 3, and Fig. 5 is the B-B semi-sictional view enlarged drawing of Fig. 4, and Fig. 6 is oil piping system figure, and Fig. 7 is a circuit system figure
Below in conjunction with accompanying drawing, provide embodiment, the present invention is further described.
Embodiment: be provided with spoiler 2 above boot lid 4, spoiler 2 two ends are associated on the bearing 3 through hingle shaft 6 hinges, can make spoiler 2 easy on and off activity on bearing 3; Bearing 3 can adopt binding bolt 14 to be fastened on the prolongation piece 5 of keying hinge of boot lid 4, cover the pressure that bear 4 tops for reducing boot, can above covering the prolongation piece 5 of 4 keying hinge, boot be provided with adjustment nut 13, the below is provided with middle part, clamp nut 15 spoilers 2 belows and is provided with oil cylinder 11, oil cylinder 11 can be arranged on boot and cover inboard, 4 rear, the piston rod 10 of oil cylinder 11 is connected with spoiler 2, when piston 17 pumps, can drive spoiler 2 and fluctuate; Fluctuate for making piston rod 10 can drive spoiler 2 neatly, can cover inboard, 4 rear at boot and be provided with cylinder bracket 12, oil cylinder 11 belows are associated on the cylinder bracket 12 through hingle shaft 19 hinges; Connection is cut with scissors mutually with middle part, spoiler 2 belows in piston rod 10 tops, can below spoiler 2, be provided with ball cap 7 in the middle part, piston rod 10 tops are provided with bulb 8, through bulb lid 1 piston rod 10 is associated in spoiler 2 hinges, also can adopts support and hingle shaft that piston rod 10 and spoiler 2 are cut with scissors connection mutually; Suit dust protecting cap 9 on the piston rod 10 can be prevented foreign material intrusion boots such as sealing, dust, and dust protecting cap 9 two ends are separately fixed on boot lid 4 and the spoiler 2.Because vehicle is in the friction speed conversion such as starting, acceleration, low speed, middling speed, high speed under steam often, also often be under the various states such as braking, emergency braking, and under the different road conditions such as the road surface just rises and falls, upward slope, descending, constantly influence stability, safety and dynamic property and the economy of adhesion of wheels and vehicle ', tail choked flow device adopts oil-electrical integrated control system, perhaps gas-electrical integrated control system.Oil piping system connects decline oil-feed electromagnetic valve 23 and rising oil return solenoid valve 20 on oil inlet and outlet 16 on the oil cylinder 11, the following oil inlet and outlet 18 of oil cylinder 11 connects rising oil-feed electromagnetic valve 22 and decline oil return solenoid valve 21, vacuum servo oil pump 24, vac switch 23, decline oil-feed electromagnetic valve 28 is connected oil pump 27 with rising oil-feed electromagnetic valve 22, insert fuel tank 25 through fil 26, it is that power supply 32 inserts vac switch 23 respectively that rising oil return solenoid valve 20 and decline oil return solenoid valve 21 insert fuel tank 25 Circuits System, velocity pulse sensor 30, adhere to inductor 31, contact switch 33, velocity pulse sensor 30 is imported computer 29 with speed pulse signal, the control signal that after arrangement, sends, one tunnel input rising oil-feed electromagnetic valve 22 and rising oil return solenoid valve 20, control plunger 17 up oil circuits; Another road input decline oil-feed electromagnetic valve 28 and decline oil return solenoid valve 21, control plunger 17 descending oil circuits adhere to inductor 31 with wheel adhering sense induction signal, and one tunnel input computer 29 is closed computer 29; Another road input vacuum servo oil pump electromagnetic valve 34 and rising oil return solenoid valve 20 are opened vacuum servo oil pump 24, control plunger 17 rising oil circuits.Vac switch 23 is with power supply, and one tunnel input computer 29 is closed computer 29; Another road input decline oil-feed electromagnetic valve 28, control plunger 17 descending oil circuits.Contact switch 33 is with power supply, and one tunnel input computer 29 is closed computer 29; Another road input vacuum servo oil pump electromagnetic valve 34 and rising oil return solenoid valve 20 are opened vacuum servo oil pump 24, control plunger 17 rising oil circuits.Above-mentioned computer, pulse transducer, inductor and various electromagnetic valve, switch are prior arts, repeat no more.Velocity pulse sensor 30 can be installed in the corresponding position of change speed gear box high speed gear output shaft, adhering to inductor 31 can be installed in rear overhang and hang up, contact switch 33 can be installed in the brake pedal below, at vehicle start, low speed and when driving at moderate speed, velocity pulse sensor 30 sends low frequency impulse singla input computer 29, this moment, computer 29 was in closed condition, oil-feed electromagnetic valve 28 promptly descends, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 is in closed condition, piston 17 is in below of oil cylinder 11, spoiler 2 is in lowest order, has improved the dynamic property and the economy of vehicle.Vehicle Speed raises, vehicle body leans forward, the rear portion upwarps, trailing wheel adhesive ability reduces, stability, deterioration of safety, velocity pulse sensor 30 is imported computer 29 with impulse singla, after arrangement, control signal is imported rising oil-feed electromagnetic valve 22 and rising oil return solenoid valve 20, rising oil-feed electromagnetic valve 22 and rising oil return solenoid valve 20 are opened, the pressure oil of oil cylinder 11 epicoeles is got back to fuel tank 25 through rising oil return solenoid valve 20, oil pump 27 with pressure oil by fuel tank 25 through fil 26, rising oil-feed electromagnetic valve 22 pumps into oil cylinder 11 cavity of resorptions, piston 17 promotes piston rod 10, promoting spoiler 2 rises, spoiler 2 is under the effect of air-flow, increased the recoil of vehicle, improved the stability of adhesion of wheels and vehicle, the safety Vehicle Speed reduces, velocity pulse sensor 30 is imported computer 29 with impulse singla, after arrangement, control signal is imported decline oil-feed electromagnetic valve 28 and decline oil return solenoid valve 21, decline oil-feed electromagnetic valve 28 and decline oil return solenoid valve 21 are opened, the pressure oil of oil cylinder 11 cavity of resorptions is got back to fuel tank 25 through decline oil return solenoid valve 21, oil pump 27 with pressure oil by fuel tank 25 through fil 26, decline oil-feed electromagnetic valve 28 pumps into oil cylinder 11 epicoeles, piston 17 drives piston rod 10, driving spoiler 2 descends, the choked flow effect of spoiler 2 descends thereupon, has improved the dynamic property and the economy of vehicle.Spoiler 2 constantly fluctuates, automatic compensation angle at any time, and wheel remains best adhesive ability, and vehicle remains best stability, safety and dynamic property and economy.Because the road surface height is uneven, upward slope, descending, during vehicle ', the ripple of constantly running rises and falls, and improve or reduce by moment thereupon for adhesion of wheels.The vehicle top is floating, adhesion of wheels descends, and adheres to inductor 31 with wheel adhering sense induction signal, one tunnel input computer 29, moment is closed computer 29, and 20 moments of decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve close; Another road input vacuum servo oil pump electromagnetic valve 34 and rising oil return solenoid valve 20, make it the moment unlatching, the pressure oil of oil cylinder 11 epicoeles is got back to fuel tank 25 through rising oil return solenoid valve 20, vacuum servo oil pump 24 is with pressure oil moment input oil cylinder 11 cavity of resorptions in it, piston 17 moments promotion piston rod 10, promotion spoiler 2 rise, moment increases the vehicle recoil, improves adhesion of wheels, increases vehicle stability, safety.Vehicle top volt, adhesion of wheels moment is excessive, adhere to inductor 31 instantaneous trips input computer 29, vacuum servo oil pump electromagnetic valve 34, the induced signal of rising oil return solenoid valve 20, computer 29 is opened, decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 is resumed work thereupon, vacuum servo oil pump electromagnetic valve 34, rising oil return solenoid valve 20 is closed, vacuum servo oil pump 24 returns, pressure oil moment of oil cylinder 11 cavity of resorptions is got back to vacuum servo oil pump 24, oil circuit produces the moment vacuum, vac switch 23 moments unlatching, with power supply one tunnel input computer 29, moment is closed computer 29, decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22,20 moments of rising oil return solenoid valve close; Another road input decline oil-feed electromagnetic valve 28, make it to open, oil pump 27 is with the pressure oil in the fuel tank 25, through fil 26, decline oil-feed electromagnetic valve 28 pumps into oil cylinder 11 epicoeles, piston 17 drives piston rod 10 and descends, driving spoiler 2 descends, reduce the vehicle recoil rapidly, piston 17 continues to descend, the pressure oil of oil cylinder 11 cavity of resorptions continues to get back to vacuum servo oil pump 24, loss of vacuum in the oil circuit, and vac switch 23 is closed, computer 29 is opened decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 is resumed work thereupon.Glancing impact depresses brake pedal, and contact switch 33 is opened, and with power supply one tunnel input computer 29, closes computer 29, and decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 are closed; Another road input power-assisted oil pump electromagnetic valve 34 and rising oil return solenoid valve 20, make it to open, the pressure oil of oil cylinder 11 epicoeles is got back to fuel tank 25 through rising oil return solenoid valve 20, pressure oil in the vacuum servo oil pump 24 enters oil cylinder 11 cavity of resorptions, piston 17 promotes piston rod 10, promotes spoiler 2 and rises rapidly, and the vehicle recoil increases sharply, increase adhesion of wheels, improve deceleration and stopping performance.Loosen the brake, contact switch 33 is closed, cut off input computer 29, vacuum servo oil pump electromagnetic valve 34, the power supply of rising oil return solenoid valve 20, computer 29 is opened, decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 is resumed work thereupon, vacuum servo oil pump electromagnetic valve 34, rising oil return solenoid valve 20 is closed, vacuum servo oil pump 24 returns, the pressure oil of oil cylinder 11 cavity of resorptions is got back to vacuum servo oil pump 24, make oil circuit produce the moment vacuum, vac switch 23 moments unlatching, with power supply one tunnel input computer 29, close computer 29, decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22,20 moments of rising oil return solenoid valve close; Another road input decline oil-feed electromagnetic valve 28, make it to open, oil pump 27 with the pressure oil in the fuel tank 25 through fil 26, decline oil-feed electromagnetic valve 28 pumps into oil cylinder 11 epicoeles, piston 17 drives piston rod 10 and descends, driving spoiler 2 descends, piston 17 continues to descend, the pressure oil of oil cylinder 11 cavity of resorptions continues to get back to vacuum servo oil pump 24, loss of vacuum in the oil circuit, vac switch 23 is closed, and computer 29 is opened, and decline oil-feed electromagnetic valve 28, decline oil return solenoid valve 21 and rising oil-feed electromagnetic valve 22, rising oil return solenoid valve 20 are resumed work thereupon.
Claims (3)
1. an automobile tail choked flow device is made up of spoiler, bearing, it is characterized in that: connection is cut with scissors mutually with bearing in the spoiler two ends, and middle part, spoiler below is provided with oil cylinder, and the piston rod of oil cylinder is connected with spoiler
2. automobile tail choked flow device according to claim 1 is characterized in that: said spoiler cuts with scissors connection mutually with the piston rod of oil cylinder
3. automobile tail choked flow device according to claim 1 is characterized in that: said oil cylinder below hinge is associated in boot lid inboard, rear
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115741A CN1145317A (en) | 1996-03-06 | 1996-03-06 | Automobile tail choked flow device |
| AU18663/97A AU1866397A (en) | 1996-03-06 | 1997-03-05 | A car rear spoiler |
| PCT/CN1997/000014 WO1997032770A1 (en) | 1996-03-06 | 1997-03-05 | A car rear spoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115741A CN1145317A (en) | 1996-03-06 | 1996-03-06 | Automobile tail choked flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1145317A true CN1145317A (en) | 1997-03-19 |
Family
ID=5122966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96115741A Pending CN1145317A (en) | 1996-03-06 | 1996-03-06 | Automobile tail choked flow device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1145317A (en) |
| AU (1) | AU1866397A (en) |
| WO (1) | WO1997032770A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287511A (en) * | 2013-06-08 | 2013-09-11 | 奇瑞汽车股份有限公司 | Automobile tail vortex breakdown device and installation method thereof |
| CN104176021A (en) * | 2014-08-15 | 2014-12-03 | 武汉理工大学 | Aerodynamics additional device for improving automobile braking performance |
| CN104828156A (en) * | 2015-04-16 | 2015-08-12 | 浙江理工大学 | Device for adjusting air resistance at tail of automobile |
| CN106114655A (en) * | 2016-08-24 | 2016-11-16 | 俞旭辉 | A kind of height adjustable automobile spoiler |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10048122B4 (en) * | 2000-09-28 | 2010-02-04 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air guiding device for a motor vehicle |
| DE10336664A1 (en) | 2003-08-09 | 2005-03-03 | Dr.Ing.H.C. F. Porsche Ag | Rear wing for a motor vehicle |
| DE102004033175B3 (en) | 2004-07-09 | 2006-02-16 | Dr.Ing.H.C. F. Porsche Ag | Fastening element for a spoiler wing of a motor vehicle |
| DE102006014261A1 (en) | 2006-03-28 | 2007-10-04 | Dr.Ing.H.C. F. Porsche Ag | Air guiding device for a vehicle |
| DE102007061812A1 (en) * | 2007-12-20 | 2009-07-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle with a spoiler device |
| DE102012104423A1 (en) * | 2012-05-23 | 2013-11-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air guide device for motor car, has spoiler unit comprising center part whose wing ends are adjustable about lateral axes to steep position in which wing ends are upwardly pivoted with respect to center part |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649953C2 (en) * | 1976-10-30 | 1985-07-04 | Daimler-Benz Ag, 7000 Stuttgart | Air guiding device for motor vehicles |
| US4159140A (en) * | 1978-03-24 | 1979-06-26 | Ford Motor Company | Self-deployable air spoiler assembly |
| US4629240A (en) * | 1985-06-20 | 1986-12-16 | Dornier Claude M | Vehicle stabilizing means |
-
1996
- 1996-03-06 CN CN96115741A patent/CN1145317A/en active Pending
-
1997
- 1997-03-05 AU AU18663/97A patent/AU1866397A/en not_active Abandoned
- 1997-03-05 WO PCT/CN1997/000014 patent/WO1997032770A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287511A (en) * | 2013-06-08 | 2013-09-11 | 奇瑞汽车股份有限公司 | Automobile tail vortex breakdown device and installation method thereof |
| CN104176021A (en) * | 2014-08-15 | 2014-12-03 | 武汉理工大学 | Aerodynamics additional device for improving automobile braking performance |
| CN104828156A (en) * | 2015-04-16 | 2015-08-12 | 浙江理工大学 | Device for adjusting air resistance at tail of automobile |
| CN106114655A (en) * | 2016-08-24 | 2016-11-16 | 俞旭辉 | A kind of height adjustable automobile spoiler |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997032770A1 (en) | 1997-09-12 |
| AU1866397A (en) | 1997-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |