KR20030027977A - Drag reducing apparatus for vehicle - Google Patents
Drag reducing apparatus for vehicle Download PDFInfo
- Publication number
- KR20030027977A KR20030027977A KR1020010057638A KR20010057638A KR20030027977A KR 20030027977 A KR20030027977 A KR 20030027977A KR 1020010057638 A KR1020010057638 A KR 1020010057638A KR 20010057638 A KR20010057638 A KR 20010057638A KR 20030027977 A KR20030027977 A KR 20030027977A
- Authority
- KR
- South Korea
- Prior art keywords
- vehicle
- air
- orifice
- trunk lid
- drag reduction
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S180/00—Motor vehicles
- Y10S180/903—Airstream reactive vehicle or vehicle structure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
본 발명은 자동차용 항력감소장치에 관한 것으로서, 더욱더 상세하게는 자동차를 운행시 상기 자동차의 전방과 후방간에 발생되는 압력차를 감소시켜 자동차의 주행성능 및 연비가 향상되도록 하는 자동차용 항력감소장치에 관한 것이다.The present invention relates to a drag reduction device for a vehicle, and more particularly, to a drag reduction apparatus for a vehicle to reduce the pressure difference generated between the front and rear of the vehicle when the vehicle is driven, thereby improving driving performance and fuel economy of the vehicle. It is about.
일반적으로 자동차를 운행시에는 공기가 윈드실드와 루프를 지나 트렁크리드에 이르면 상기 트렁크리드의 면이 급격히 변화되는 것에 의해 유동의 박리 및 와류가 발생하여 자동차의 전방과 후방의 압력차가 발생하여 항력이 커지게 된다.In general, when driving a car, when the air reaches the trunk lid through the windshield and the roof, the surface of the trunk lid is rapidly changed, causing separation of the flow and vortex, causing a pressure difference between the front and rear of the vehicle, resulting in a drag force. It becomes bigger.
그러나 상기와 같이 자동차를 운행시 자동차의 전방과 후방간에 압력차가 발생하는 경우에는 자동차가 지면으로 부터 뜨게 되는 현상이 발생하여 각종 안전사고를 유발시키게 되는 문제점이 있었다.However, when a pressure difference is generated between the front and the rear of the car when driving the car as described above, there is a problem that the car floats from the ground, causing various safety accidents.
따라서 종래에는 자동차의 전방과 후방간에 압력차가 발생하는 경우에도 국부적으로 공기의 유동을 변경시켜 다운포스가 발생되도록 함으로서 자동차의 접지력이 향상되도록 하는 프론트스포일러와 리어스포일러 및 범퍼 립, 에어 댐, 휠 디프렉터(Wheel Deflector)등과 같은 에어로 파츠(Aero Parts)를 개발하여 장착 사용하고 있다.Therefore, in the past, even when a pressure difference occurs between the front and rear of the vehicle, the front spoiler and rear spoiler and bumper lip, air dam, and wheel deflection are improved by locally changing the flow of air so that downforce is generated. Aero Parts such as Wheel Deflector have been developed and used.
그러나 이 역시도 자동차를 운행시 전방과 후방간에 압력차가 발생하게 됨으로서, 자동차를 운행시 가속능력이 저하되고, 과도하게 많은 연료를 필요로 하게 됨은 물론, 최고속도를 저하시켜 자동차가 가지고 있는 자체의 성능을 제대로 발휘하지 못하게 됨으로서 자동차의 성능을 저하시키게 되는 문제점이 있었다.However, this also causes a pressure difference between the front and the rear when driving the car, deteriorating the acceleration capacity when driving the car, requires too much fuel, as well as lowering the top speed of the car has its own performance There is a problem that will degrade the performance of the car by not properly exhibit.
본 발명의 목적은 상기 종래와 같은 문제점을 해결하기 위해, 트렁크리드를 통해 공기가 유입 및 배출되는 오리피스가 중앙부에 관통되게 형성된 고정부재와, 상기 고정부재에 형성된 오리피스를 통해 유입 및 배출되는 공기에 의해 일측 및 타측으로 진동이 발생하는 진동판과, 상기 진동판을 진동시키는 공기가 유입 및 배출되는 공간부로 구성된 자동차용 항력감소장치를 트렁크리드의 내측면에 설치하여, 자동차를 운행중 윈드쉴드와 루프를 지난 공기가 트렁크리드에 이른 경우, 상기 공기가 항력감소장치의 오리피스를 통해 와류되면서 배출되는 공기의 외측면을 따라 유동박리 현상인 와류없이 부드럽게 외측면을 타고 흐르게 됨으로서, 운행중인 자동차의 전방과 후방간의 압력차가 저감되어 가속능력이 향상되고, 최고속도가 향상되어 자동차의 성능이 제대로 발휘됨은 물론, 연비가 저감되도록 하는 자동차용 항력감소장치를 제공하는 데 있다.An object of the present invention is to solve the problem as described above, the orifice through which the air is introduced and discharged through the trunk lid is formed in the fixing member and the air introduced and discharged through the orifice formed in the fixing member By installing a drag reduction device for a vehicle on the inner side of the trunk lid composed of a diaphragm that vibrates to one side and the other side, and a space portion in which air vibrating the diaphragm is introduced and discharged, the vehicle passes a windshield and a loop while driving the vehicle. When the air reaches the trunk lid, the air is vortexed through the orifice of the drag reduction device and flows along the outer surface of the discharged air smoothly without the vortex, which is a flow separation phenomenon, so that the front and rear surfaces of the driving vehicle Reduced pressure differential improves acceleration capacity and improves top speed It is to provide a drag reduction device for cars that can be properly exhibited, as well as fuel economy.
도 1은 본 발명인 항력감소장치가 설치된 상태를 보인 단면도1 is a cross-sectional view showing a state in which a drag reduction device of the present invention is installed
도 2는 본 발명인 항력감소장치가 자동차에 설치된 상태를 보인 사시도2 is a perspective view showing a state in which the drag reduction device of the present invention is installed in a vehicle
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
100 : 항력감소장치110 : 고정부재100: drag reduction device 110: fixed member
111 : 오리피스120 : 진동판111: orifice 120: diaphragm
200 : 트렁크리드210 : 통공200: trunk lid 210: through hole
이하, 첨부된 도면에 의하여 본 발명의 그 기술적 구성을 상세히 설명하면 다음과 같다.Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail as follows.
본 발명의 자동차용 항력감소장치는 도 1에 도시하고 있는 바와 같이,The drag reduction device for automobiles of the present invention is shown in Figure 1,
트렁크리드(200)를 통해 공기가 유입 및 배출되는 오리피스(111)가 중앙부에 관통되게 형성된 고정부재(110)와, 상기 고정부재(110)에 형성된 오리피스(111)를 통해 유입 및 배출되는 공기에 의해 일측 및 타측으로 진동이 발생하는 진동판(120)과, 상기 진동판(120)을 진동시키는 공기가 유입 및 배출되는 공간부(130)로 구성됨을 그 기술적 구성상의 기본 특징으로 한다.The orifice 111 through which the air flows in and out through the trunk lid 200 is formed in the fixing member 110 so that the air is introduced and discharged through the orifice 111 formed in the fixing member 110. By virtue of the technical configuration of the diaphragm 120 to generate vibration to one side and the other side, and the space portion 130 through which the air vibrating the diaphragm 120 is introduced and discharged.
한편, 상기 트렁크리드(200)에는 고정부재(110)에 형성된 오리피스(111)와 중심과 내경이 통일한 통공(210)이 관통되게 형성됨을 밝혀 둔다.On the other hand, the trunk lid 200 is revealed that the orifice 111 formed in the fixing member 110 and the through hole 210 having a uniform center and inner diameter are formed to penetrate.
또한, 상기 진동판(120)은 진동성이 좋은 압전소자로 제작됨을 밝혀 둔다.In addition, the diaphragm 120 is made of a piezoelectric element with good vibration.
이와같이 구성되는 본 고안은 트렁크리드(200)에 형성된 통공(210)과 고정부재(110)에 형성된 오리피스의 중심이 일치시킨 상태에서 고정부재(110)를 트렁크리드(200)의 내측면에 고정되게 설치한 상태에서 차량을 운행하면, 상기 트렁크리드(200)에 형성된 통공(210)을 통해 오리피스(111)로 공기가 전달되고, 상기 오리피스(111)로 전달된 공기는 공간부(130)로 유입되면서 진동판(120)을 진동시키게 된다.The present invention constituted as described above allows the fixing member 110 to be fixed to the inner surface of the trunk lid 200 in a state where the center of the orifice formed in the through hole 210 and the fixing member 110 formed in the trunk lid 200 is matched. When the vehicle is operated in the installed state, air is delivered to the orifice 111 through the through hole 210 formed in the trunk lid 200, and the air delivered to the orifice 111 flows into the space 130. While vibrating the diaphragm 120.
한편, 상기와 같이 공간부(130)로 유입된 공기에 의해 진동판(120)이 진동하면 상기 공간부(130)로 유입된 공기가 고정부재(110)에 형성된 오리피스(111)를 통해 배출되는 와류흐름을 일으키게 됨으로서, 자동차를 운행중 윈드쉴드와 루프를 지난 공기가 트렁크리드(200)에 이른 경우에도 유동박리 현상인 와류없이 부드럽게 외측면을 타고 흐르게 된다.Meanwhile, when the diaphragm 120 vibrates by the air introduced into the space 130 as described above, the air introduced into the space 130 is discharged through the orifice 111 formed in the fixing member 110. By causing the flow, even if the air passing through the windshield and the roof while driving the car reaches the trunk lid 200, it flows smoothly on the outer surface without vortex, which is a flow separation phenomenon.
따라서 이러한 본 발명은 자동차를 운행중 윈드쉴드와 루프를 지난 공기가 트렁크리드(200)에 이른 경우, 상기 공기가 항력감소장치(100)의 오리피스(111)를 통해 와류되면서 배출되는 공기의 외측면을 따라 유동박리 현상인 와류없이 부드럽게 외측면을 타고 흐르게 됨으로서, 운행중인 자동차의 전방과 후방간의 압력차가 저감되어 가속능력이 향상되고, 최고속도가 향상되어 자동차의 성능이 제대로 발휘됨은 물론, 연비가 저감되도록 하는 효과가 있다.Therefore, in the present invention, when the air passing through the windshield and the roof reaches the trunk lid 200 while the vehicle is driven, the air is vortexed through the orifice 111 of the drag reduction device 100 to discharge the outer surface of the air. Accordingly, by flowing smoothly on the outer surface without vortex, which is a fluid separation phenomenon, the pressure difference between the front and rear of the driving vehicle is reduced, the acceleration capability is improved, the maximum speed is improved, and the performance of the vehicle is properly exhibited, and fuel economy is reduced. It is effective to make.
이상에서 살펴본 바와 같이 본 발명은 트렁크리드를 통해 공기가 유입 및 배출되는 오리피스가 중앙부에 관통되게 형성된 고정부재와, 상기 고정부재에 형성된 오리피스를 통해 유입 및 배출되는 공기에 의해 일측 및 타측으로 진동이 발생하는 진동판과, 상기 진동판을 진동시키는 공기가 유입 및 배출되는 공간부로 구성된 자동차용 항력감소장치를 트렁크리드의 내측면에 설치하여, 자동차를 운행중 윈드쉴드와 루프를 지난 공기가 트렁크리드에 이른 경우, 상기 공기가 항력감소장치의 오리피스를 통해 와류되면서 배출되는 공기의 외측면을 따라 유동박리 현상인 와류없이 부드럽게 외측면을 타고 흐르게 됨으로서, 운행중인 자동차의 전방과 후방간의 압력차가 저감되어 가속능력이 향상되고, 최고속도가 향상되어 자동차의 성능이 제대로 발휘됨은 물론, 연비가 저감되도록 하는 매우 유용한 발명이다.As described above, the present invention provides vibrations to one side and the other side by the fixing member formed through the trunk lid and the orifice through which the air is introduced and discharged through the center portion, and the air introduced and discharged through the orifice formed on the fixing member. When a drag reduction device for a vehicle composed of a diaphragm generated and a space part through which the air vibrating the diaphragm is introduced and discharged is installed on the inner side of the trunk lid, and the air passing through the windshield and the roof reaches the trunk lid while the vehicle is in operation. As the air vortexes through the orifice of the drag reduction device, the air flows smoothly along the outer surface of the discharged air without vortex, which is a flow separation phenomenon, thereby reducing the pressure difference between the front and rear of the driving vehicle, thereby accelerating the acceleration ability. Improved performance, the highest speed, the car's performance Of course, it is a very useful invention that allows the fuel economy is reduced.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0057638A KR100427768B1 (en) | 2001-09-18 | 2001-09-18 | Drag reducing apparatus for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0057638A KR100427768B1 (en) | 2001-09-18 | 2001-09-18 | Drag reducing apparatus for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030027977A true KR20030027977A (en) | 2003-04-08 |
| KR100427768B1 KR100427768B1 (en) | 2004-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0057638A KR100427768B1 (en) | 2001-09-18 | 2001-09-18 | Drag reducing apparatus for vehicle |
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| Country | Link |
|---|---|
| KR (1) | KR100427768B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100539968B1 (en) * | 2002-09-18 | 2006-01-16 | 재단법인서울대학교산학협력재단 | Drag reduction apparatus of transportation vehicle having a variable separation point |
| KR20200059715A (en) * | 2018-11-21 | 2020-05-29 | 김용수 | Propulsion device that generates propulsion force on the vehicle |
-
2001
- 2001-09-18 KR KR10-2001-0057638A patent/KR100427768B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100539968B1 (en) * | 2002-09-18 | 2006-01-16 | 재단법인서울대학교산학협력재단 | Drag reduction apparatus of transportation vehicle having a variable separation point |
| KR20200059715A (en) * | 2018-11-21 | 2020-05-29 | 김용수 | Propulsion device that generates propulsion force on the vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100427768B1 (en) | 2004-04-30 |
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