JPH0156947B2 - - Google Patents
Info
- Publication number
- JPH0156947B2 JPH0156947B2 JP56123209A JP12320981A JPH0156947B2 JP H0156947 B2 JPH0156947 B2 JP H0156947B2 JP 56123209 A JP56123209 A JP 56123209A JP 12320981 A JP12320981 A JP 12320981A JP H0156947 B2 JPH0156947 B2 JP H0156947B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- vehicle body
- section
- guide path
- roof
- 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.)
- Expired
Links
- 238000000926 separation method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Description
【発明の詳細な説明】
本発明は、車体の前面部内において取入れた空
気を空気案内路により車体内の後方まで導き、車
体の後面部の外表面に沿つて後方に噴出させるこ
とにより、車体の後面部の外表面上の空気の境界
層の剥れを防止し、自動車の空気抵抗を軽減する
ようにした自動車の車体に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention allows air taken into the front part of the car body to be guided to the rear of the car body through an air guide path, and then blown out rearward along the outer surface of the rear part of the car body. The present invention relates to an automobile body that prevents separation of the air boundary layer on the outer surface of the rear surface and reduces air resistance of the automobile.
自動車の空気抵抗の減少は燃料消費率の改善に
好影響を与えるため、従来より、空気抵抗を減少
させるための種々の外形輪郭を備えた自動車の車
体が提案されてきた。空気抵抗が少い車体形状
は、一般に流線型化された外形輪郭を有する車体
形状であつて、このような車体形状を有する自動
車が前進すると、車体に対して相対的に発生した
空気流は、車体の前面部の外表面から屋根部の外
表面を経て、更に後面部の外表面へと流れる。し
かし、車体の外形輪郭上の多くの改善努力にもか
かわらず、一般に車体の後面部の外表面に沿う空
気の境界層は剥離し易く、車体の後面部の外表面
上の空気の境界層が剥離すると、車体の後面部の
外表面上には渦が生起されて車体に対する誘導抵
抗が生じ、この誘導抵抗によつて車体の空気抵抗
は一段と増加する。 Since a reduction in air resistance of an automobile has a positive effect on improving fuel consumption, automobile bodies having various external contours for reducing air resistance have been proposed. A car body shape with low air resistance generally has a streamlined external contour, and when a car with such a car body shape moves forward, the airflow generated relative to the car body is It flows from the outer surface of the front part of the front part, through the outer surface of the roof part, and further to the outer surface of the rear part. However, despite many efforts to improve the contour of the car body, the boundary layer of air along the outer surface of the rear part of the car body is generally prone to separation, and the boundary layer of air on the outer surface of the rear part of the car body is generally prone to separation. When separated, vortices are generated on the outer surface of the rear surface of the vehicle body, creating induced resistance to the vehicle body, and this induced resistance further increases the air resistance of the vehicle body.
そこで本発明の主な目的は、車体の後面部の外
表面に沿う空気の境界層に空気流を付加して境界
層を積極的に維持し、車体の後面部の外表面上に
おける渦の発生を防止して、自動車の速度上昇に
伴なう空気抵抗の増加を抑制し、燃料消費率の低
減を図ることができるような自動車の車体を提供
することである。 Therefore, the main object of the present invention is to actively maintain the boundary layer by adding air flow to the boundary layer of air along the outer surface of the rear surface of the vehicle body, and to generate vortices on the outer surface of the rear surface of the vehicle body. It is an object of the present invention to provide a vehicle body that can suppress an increase in air resistance due to an increase in the speed of the vehicle and reduce fuel consumption.
以下、図面により本発明の一実施例について説
明する。先ず第１図ないし第３図において、車体
１は前面部２と、屋根部３と、後面部４とを有
し、前面部２内には、フロントグリル部５から前
面部２内に流入した空気を取入れるための空気取
入口１６が配設されている。この空気取入口１６
は、前面部２側の左右一対の側柱部６，６′およ
び屋根部３の左右縁側部７，７′を経て車体１の
後方部まで延在する空気案内路１７に連通してい
る。 An embodiment of the present invention will be described below with reference to the drawings. First, in FIGS. 1 to 3, a vehicle body 1 has a front section 2, a roof section 3, and a rear section 4. An air intake port 16 is provided for introducing air. This air intake 16
are in communication with an air guide path 17 extending to the rear part of the vehicle body 1 via a pair of left and right side columns 6, 6' on the front part 2 side and left and right edge parts 7, 7' of the roof part 3.
第４図および第５図において一層詳細に示され
ているように、屋根部３の後端縁部には、空気案
内路１７に連通し、後面部４の後部外壁１１の外
表面に向けて開口する細隙開口部１５を備えた細
隙開口形成部材１４が装着されていると共に、左
右の側部外壁１０，１０′の上方後縁部には、空
気案内路１７に連通し、後面部４の後部外壁１１
の外表面に向けて開口する細隙開口部１３を備え
た細隙開口形成部材１２が装着されており、空気
案内路１７により案内された空気が、後面部４の
上縁部８および左右側縁部９，９′より、後面部
４の外表面に沿つて後方に噴出されるようになつ
ている。 As shown in more detail in FIGS. 4 and 5, the rear edge of the roof section 3 has an air guide channel 17 which extends toward the outer surface of the rear outer wall 11 of the rear section 4. A slit opening forming member 14 having a slit opening 15 that opens is attached to the upper rear edges of the left and right side outer walls 10, 10', which communicate with the air guide path 17 and connect to the rear surface. 4 rear outer wall 11
A slit opening forming member 12 having a slit opening 13 that opens toward the outer surface of the rear surface section 4 is attached to the slit opening forming member 12, and the air guided by the air guide path 17 is directed to the upper edge 8 of the rear section 4 and to the left and right sides. The liquid is ejected rearward from the edges 9, 9' along the outer surface of the rear surface part 4.
図示された実施例は以上のように構成されてい
るので、自動車が前進すると、フロントグリル部
５より前面部２内に流入した空気は、空気取入口
１６において空気案内路１７内に取入れられ、側
柱部６，６′および屋根部３の左右側縁部７，
７′を経て、後面部４の上縁部８および左右側縁
部９，９′より、後面部４の外表面に沿つて後方
に噴出される。一方、車体１の前面部２の外表面
から屋根部３の外表面を経て、後面部４の外表面
上に達した空気の流れは、後面部４の上縁部８お
よび左右側縁部９，９′より噴出する空気により
加圧されて、後面部４の外表面に沿つて境界層を
維持しつつ、渦を生成することなく滑らかに後方
へと流れ出る。 Since the illustrated embodiment is configured as described above, when the automobile moves forward, the air flowing into the front part 2 from the front grill part 5 is taken into the air guide path 17 at the air intake port 16, Side pillar parts 6, 6' and left and right side edges 7 of roof part 3,
7', and is ejected rearward from the upper edge 8 and right and left side edges 9, 9' of the rear surface 4 along the outer surface of the rear surface 4. On the other hand, air flows from the outer surface of the front section 2 of the vehicle body 1 through the outer surface of the roof section 3 and onto the outer surface of the rear section 4. , 9', the air flows smoothly rearward without generating a vortex while maintaining a boundary layer along the outer surface of the rear surface part 4.
細隙開口形成部材１２，１４は、いずれも例え
ば合成樹脂のような軽量材料により成型されたも
のであつて良い。 Both of the slit opening forming members 12 and 14 may be molded from a lightweight material such as synthetic resin.
以上のように本発明によれば、例えばフロント
グリル部を経て車体の前面部内に流入した空気を
前面部内に配設された空気取入口により取入れる
ようにしたので、車体の外形輪郭に何ら悪影響を
及ぼすことなく、境界層剥離防止用空気を効果的
に取入れることができる。 As described above, according to the present invention, since the air that has flowed into the front surface of the vehicle body through the front grille is taken in through the air intake port provided within the front surface, there is no adverse effect on the external contour of the vehicle body. Air for preventing boundary layer separation can be effectively taken in without causing any adverse effects.
また、空気取入口により取入れられた空気を、
前面部側の側柱部および屋根部の左右側縁部を経
て車体内の後方まで案内する空気案内路により案
内するようにしたので、車体の外形輪郭に悪影響
を及ぼすことなく、車体構造を有効に利用して、
境界層剥離防止用空気を車体内の後方まで案内す
ることができる。 In addition, the air taken in by the air intake
The air is guided through the front side pillars and the left and right edges of the roof to the rear of the vehicle body, allowing the vehicle structure to be effectively maintained without adversely affecting the exterior contours of the vehicle body. Use it to
Air for preventing boundary layer separation can be guided to the rear of the vehicle body.
更に、空気案内路により案内された空気を、後
面部の上縁部および左右側縁部より、後面部の外
表面に沿つて後方に噴出するようにしたので、車
体の後面部の外表面に沿う空気の境界層に空気流
を付加して境界層を積極的に維持し、車体の後面
部の外表面上における渦の発生を防止して、自動
車の速度上昇に伴なう空気抵抗の増加を抑制し、
燃料消費率の低減を図ることができるものであ
る。 Furthermore, the air guided by the air guide path is blown out rearward from the upper edge and left and right side edges of the rear section along the outer surface of the rear section, so that the air is blown out from the upper edge of the rear section and the left and right side edges, so that the air is blown out backward along the outer surface of the rear section of the vehicle body. Actively maintains the boundary layer by adding airflow to the boundary layer of air along the vehicle, preventing the formation of vortices on the outer surface of the rear of the vehicle, which increases air resistance as the vehicle speed increases. suppress,
This makes it possible to reduce the fuel consumption rate.
第１図は本発明の一実施例に基づく自動車の車
体の要部断面平面図、第２図は第１図の車体の要
部断面側面図、第３図は第１図の車体の後面図、
第４図は第３図の−線に沿う要部拡大断面
図、第５図は第３図の−線に沿う要部拡大断
面図である。
１……車体、２……前面部、３……屋根部、４
……後面部、６，６′……側柱部、７，７′……屋
根部の側縁部、８……後面部の上縁部、９，９′
……後面部の側縁部、１３，１５……細隙開口
部、１６……空気取入口、１７……空気案内路。
1 is a sectional plan view of a main part of a car body according to an embodiment of the present invention, FIG. 2 is a sectional side view of a main part of the car body of FIG. 1, and FIG. 3 is a rear view of the car body of FIG. 1. ,
4 is an enlarged cross-sectional view of the main part taken along the - line in FIG. 3, and FIG. 5 is an enlarged cross-sectional view of the main part taken along the - line in FIG. 3. 1...Vehicle body, 2...Front part, 3...Roof part, 4
...Rear part, 6, 6'... Side pillar part, 7, 7'... Side edge of roof part, 8... Upper edge of rear part, 9, 9'
. . . Side edge of rear surface portion, 13, 15 . . . Slit opening, 16 . . . Air intake port, 17 .
Claims (1)
１の前面部２の外表面から屋根部３の外表面を経
て、更に後面部４の外表面に向けて、前記車体１
に対して相対的に生じるような外形輪郭を有する
車体において、前記車体１の前面部２内に流入し
た空気を前記前面部２内において取入れるための
空気取入口１６と、この空気取入口１６により取
入れられた空気を、前記前面部２側の側柱部６，
６′および前記屋根部３の左右側縁部７，７′を経
て、前記車体１内の後方まで案内する空気案内路
１７と、この空気案内路１７により案内された空
気を、前記後面部４の上縁部８および左右側縁部
９，９′より、前記後面部４の外表面上の空気の
境界層の剥れを防止するようにして、前記後面部
４の外表面に沿つて後方に噴出させるための細隙
開口部１３，１５とを備えた自動車の車体。1. As the vehicle moves forward, a continuous air flow flows from the outer surface of the front section 2 of the vehicle body 1, through the outer surface of the roof section 3, and further towards the outer surface of the rear section 4.
In a vehicle body having an external contour that occurs relative to The air taken in by the side pillars 6 on the front side 2,
6' and the left and right side edges 7, 7' of the roof part 3, and an air guide path 17 that guides the air to the rear inside the vehicle body 1, and the air guided by this air guide path 17 to the rear surface part 4. From the upper edge 8 and the left and right side edges 9, 9', the rearward portion is moved along the outer surface of the rear surface 4 in a manner that prevents separation of the boundary layer of air on the outer surface of the rear surface 4. An automobile body comprising slit openings 13 and 15 for discharging water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56123209A JPS5826683A (en) | 1981-08-06 | 1981-08-06 | Automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56123209A JPS5826683A (en) | 1981-08-06 | 1981-08-06 | Automobile body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5826683A JPS5826683A (en) | 1983-02-17 |
| JPH0156947B2 true JPH0156947B2 (en) | 1989-12-01 |
Family
ID=14854891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56123209A Granted JPS5826683A (en) | 1981-08-06 | 1981-08-06 | Automobile body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5826683A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58174874A (en) * | 1982-04-08 | 1983-10-13 | Tokyo Optical Co Ltd | Light wave distance measuring method and apparatus |
| JPH01106354U (en) * | 1988-01-11 | 1989-07-18 | ||
| GR910100368A (en) * | 1991-09-04 | 1993-06-21 | Georgios Vlachos | Air-duct on the rear end of the car for the improvement of its aerodynamics |
| FR2744689B1 (en) * | 1996-02-08 | 1998-04-10 | Onera (Off Nat Aerospatiale) | INSTALLATION FOR THE REDUCTION OF GENUINE AERODYNAMIC NOISE IN THE INTERIOR OF FAST VEHICLES |
-
1981
- 1981-08-06 JP JP56123209A patent/JPS5826683A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5826683A (en) | 1983-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3549162B2 (en) | Fairing for motorcycles | |
| JP3577018B2 (en) | Air intake structure around the front grill of the vehicle | |
| US8132850B2 (en) | Motor vehicle rear end and associated rear light | |
| US4653795A (en) | Passenger motor vehicle rear section | |
| JPH0156947B2 (en) | ||
| JP2010047231A (en) | Fender liner for vehicle | |
| JP3357712B2 (en) | Rear body structure of vehicle | |
| US3437371A (en) | Vehicle air stream antiturbulence mechanism | |
| JP2002308154A (en) | Front lower structure for vehicle | |
| JPS6334974Y2 (en) | ||
| JP6597741B2 (en) | Vehicle exterior structure | |
| JP2554914Y2 (en) | Underfloor covers for vehicles | |
| JP4103443B2 (en) | Lower structure at the front of the vehicle | |
| US2064380A (en) | Motor vehicle body | |
| JPS57158192A (en) | Sailing device | |
| CN108928398A (en) | Vehicle rear body structure | |
| US2775185A (en) | Aerating device for vehicles, particularly omnibusses | |
| JPS639540Y2 (en) | ||
| JPH0348954Y2 (en) | ||
| JP7506989B2 (en) | Vehicles with improved aerodynamics | |
| JPH08198163A (en) | Construction of radiator passing air flow route in motorcycle | |
| JPS6239972Y2 (en) | ||
| JPH1053915A (en) | Ventilation structure of helmet | |
| JP7375613B2 (en) | Vehicle lower body structure | |
| US11614057B2 (en) | Vehicle air induction assembly |