JP2006088880A - Air current separation reducing sheet - Google Patents

Air current separation reducing sheet Download PDF

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Publication number
JP2006088880A
JP2006088880A JP2004276994A JP2004276994A JP2006088880A JP 2006088880 A JP2006088880 A JP 2006088880A JP 2004276994 A JP2004276994 A JP 2004276994A JP 2004276994 A JP2004276994 A JP 2004276994A JP 2006088880 A JP2006088880 A JP 2006088880A
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Japan
Prior art keywords
sheet
airflow
automobile
exterior
separation
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Pending
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JP2004276994A
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Japanese (ja)
Inventor
Hiroyuki Ueno
浩行 植野
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CORRMANN Inc
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CORRMANN Inc
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Priority to JP2004276994A priority Critical patent/JP2006088880A/en
Publication of JP2006088880A publication Critical patent/JP2006088880A/en
Pending legal-status Critical Current

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    • 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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  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To easily provide recesses or projections for reducing separation of air currents on the exterior of a car body of an automobile. <P>SOLUTION: This air current separation reducing sheet to be applied to the exterior of an automobile is provided with a plurality of recesses formed in the surface, and an adhesive layer formed on the back surface. By thus providing the adhesive layer on the back surface of the sheet provided with the plurality of the recesses, the sheet can be cut in a corresponding form to a necessary part in the exterior of the automobile, so that it is applied to simply provide the recesses for reducing separation of air currents in the surface of the exterior of the automobile. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は自動車の外装に貼り付けて、走行時に車体表面を流れる気流の剥離を低減させるためのシートに関する。   The present invention relates to a sheet that is attached to the exterior of an automobile and reduces the separation of airflow that flows on the surface of a vehicle body during traveling.

自動車レースにおいては、可能な限りに抵抗を低減する必要があり、空気力学的に抵抗の少ない車体の形状を用いることが望ましい。しかし、自動車は形状的な制約があり、どうしても車体には抵抗を発生させる凹凸が生じる。この抵抗の中で、走行時に車体表面を流れる気流の剥離により発生する圧力抵抗がある。これは、車体表面を流れる気流が、車体の曲面の形状によって剥離し、剥離した部分よりも後ろに負圧が生じる結果として抵抗が発生するものである。
このような流体の剥離による圧力抵抗は自動車に限らす、気体や液体内を進む物体に発生する。これを防ぐ方法として、物体の表面に細かな凹部もしくは凸部を設けて小さな乱流を発生させることが行われる。例えば、ゴルフボールの表面に設けられるディンプルや、飛行機の翼に設けられるボルティックスジェネレーターという小突起などが例示される。 In automobile racing, it is necessary to reduce resistance as much as possible, and it is desirable to use the shape of a vehicle body that has low aerodynamic resistance. However, automobiles are limited in shape, and irregularities that cause resistance inevitably occur on the vehicle body. Among these resistances, there is a pressure resistance generated by separation of airflow flowing on the surface of the vehicle body during traveling. This is because the airflow flowing on the surface of the vehicle body peels off due to the shape of the curved surface of the vehicle body, and resistance is generated as a result of a negative pressure generated behind the peeled portion.
Such pressure resistance due to fluid separation occurs not only in automobiles, but also in objects traveling in gases and liquids. As a method for preventing this, a small turbulent flow is generated by providing fine concave portions or convex portions on the surface of the object. For example, dimples provided on the surface of a golf ball, small protrusions such as a vortics generator provided on an airplane wing, and the like are exemplified.

従って、自動車においても気流の剥離を抑制し圧力抵抗を低減するために表面に凹凸を設けることが考えられる。しかし、一般車両を改造して行う自動車レースに用いる自動車については車体表面に凹凸を設ける加工を施すことは非常に手間がかかり大変である。
そこで、本発明は、自動車の車体の外装に気流の剥離を低減するための凹部もしくは凸部を容易に設けることができるようにすることを課題とする。 Therefore, it is conceivable to provide unevenness on the surface of an automobile in order to suppress separation of the airflow and reduce pressure resistance. However, it is very troublesome and troublesome to process the surface of the vehicle body to provide unevenness for an automobile used in an automobile race performed by modifying a general vehicle.
Therefore, an object of the present invention is to make it possible to easily provide a concave portion or a convex portion for reducing air flow separation on the exterior of a vehicle body of an automobile.

上記課題を解決するために、本発明は次のような構成を有する。
請求項１に記載の発明は、自動車の外装に貼り付けるシートであって、表面に形成される複数の凹部と、裏面に形成される粘着層と有する気流剥離低減シートである。
請求項２に記載の発明は、前記気流剥離低減シートにおいて、前記凹部に代えて、凸部を設けたものである。
請求項３に記載の発明は、前記気流剥離低減シートにおいて、前記シートを伸縮性のある材料で形成したものである。 In order to solve the above problems, the present invention has the following configuration.
Invention of Claim 1 is a sheet | seat stuck on the exterior of a motor vehicle, Comprising: It is an airflow peeling reduction sheet | seat which has a some recessed part formed in the surface, and the adhesion layer formed in a back surface.
The invention according to claim 2 is the air flow separation reducing sheet, wherein a convex portion is provided instead of the concave portion.
According to a third aspect of the present invention, in the air flow separation reducing sheet, the sheet is formed of a stretchable material.

請求項１に記載の発明は、複数の凹部を設けたシートの裏面に粘着層を設けたので、自動車の外装の必要な部分に合致する形状にシートを切断して貼り付けるだけで、簡易に自動車の外装表面に気流の剥離を低減させる凹部を設けることができる。
請求項２に記載の発明は、やはり、自動車の外装の必要な部分に合致する形状にシートを切断して貼り付けるだけで、簡易に自動車の外装表面に気流の剥離を低減させる凸部を設けることができる。
請求項３に記載の発明は、シートを伸縮性のある材料で形成することでシートに皺を生じさせることなく、曲面にシートを貼り付けることができる。 In the invention according to claim 1, since the adhesive layer is provided on the back surface of the sheet provided with a plurality of recesses, the sheet can be simply cut and pasted into a shape that matches a necessary part of the exterior of the automobile. A recess for reducing airflow separation can be provided on the exterior surface of the automobile.
According to the second aspect of the present invention, it is possible to simply provide a convex portion for reducing airflow separation on the exterior surface of the automobile simply by cutting and sticking the sheet into a shape that matches a necessary portion of the exterior of the automobile. be able to.
In the invention according to claim 3, by forming the sheet with a stretchable material, the sheet can be attached to the curved surface without causing wrinkles on the sheet.

以下、本発明の実施の形態について、図面を参照しながら説明する。図１に本発明の実施形態に係る気流剥離低減シートXの平面図を図２に気流剥離低減シートXの部分断面図を示す。剥離低減シートXは３層により構成され、表面は伸縮性のある厚さ約３ｍｍのシリコンゴムにより形成される表層シート１０により構成され、表層シート１０の表面には複数の平面視円形の凹部１１が形成されている。中間層はアクリル系の粘着剤により形成される粘着層２０が設けられる。裏面には粘着層を保護する紙に合成樹脂コーティングを施した剥離シート３０が粘着層に貼り付けられている。
次に、このような構成を有する気流剥離低減シートＸの使用方法について説明する。使用者は、まず、自動車の車体の気流が剥離する部位の形状に合わせて、気流剥離低減シートＸを切り取る。そして、裏面の剥離シート３０を剥がして粘着層２０を表出させ、この粘着層２０を気流が剥離する部位に貼り付ける。これにより、気流が剥離する部位に複数の凹部１１が設けられることとなる。図３（ａ）（ｂ）に気流剥離低減シートＸを貼り付けた状態の例を示す。図３（ａ）は、自動車の気流の剥離が生じる部位としてリアフェンダーａ１およびフロントフェンダーａ２に気流剥離低減シートＸを貼り付けた状態を示す部分平面図であり、図３（ｂ）は、同じく気流の剥離が生じる部位としてリアウィングａ３の裏面に気流低減シートを貼り付けた状態を示す断面図である。
なお、上記発明の実施形態では凹部１１の平面視の形状は円形であるが、これは円形に拘束されず、ハート型や星型などのデザイン化されたものでもよく、また、長尺の溝のようなものでもよい。また、凹部１１に代えて、表層シート１０の表面から突出する凸部にしてもよい。さらに、凹部若しくは凸部の大きさ、数、配列などは場合に応じて適宜変更してもよい。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an airflow separation reducing sheet X according to an embodiment of the present invention, and FIG. 2 is a partial cross-sectional view of the airflow separation reduction sheet X. The exfoliation reducing sheet X is composed of three layers, and the surface is composed of a surface layer sheet 10 formed of stretchable silicon rubber having a thickness of about 3 mm. The surface of the surface layer sheet 10 has a plurality of circular recesses 11 in plan view. Is formed. The intermediate layer is provided with an adhesive layer 20 formed of an acrylic adhesive. On the back surface, a release sheet 30 obtained by applying a synthetic resin coating to paper protecting the adhesive layer is attached to the adhesive layer.
Next, the usage method of the airflow peeling reduction sheet | seat X which has such a structure is demonstrated. The user first cuts out the airflow separation reducing sheet X in accordance with the shape of the part where the airflow of the car body of the automobile is separated. And the peeling sheet 30 of a back surface is peeled, the adhesion layer 20 is exposed, and this adhesion layer 20 is affixed on the site | part from which an airflow peels. Thereby, the some recessed part 11 will be provided in the site | part from which airflow peels. The example of the state which affixed the airflow peeling reduction sheet X to Fig.3 (a) (b) is shown. FIG. 3 (a) is a partial plan view showing a state where the airflow separation reducing sheet X is attached to the rear fender a1 and the front fender a2 as a portion where the separation of the airflow of the automobile occurs, and FIG. It is sectional drawing which shows the state which affixed the airflow reduction sheet | seat on the back surface of the rear wing a3 as a site | part from which peeling of an airflow occurs.
In the embodiment of the present invention, the shape of the concave portion 11 in plan view is circular, but this is not restricted to a circular shape, and may be designed as a heart shape or a star shape, or a long groove. It may be something like Moreover, it may replace with the recessed part 11 and may be a convex part protruding from the surface of the surface layer sheet 10. Furthermore, the size, number, arrangement, and the like of the recesses or protrusions may be changed as appropriate.

発明の実施形態に係る気流剥離低減シートを示す平面図である。It is a top view which shows the airflow peeling reduction sheet which concerns on embodiment of invention. 発明の実施形態に係る気流剥離低減シートの一部分の断面図である。It is sectional drawing of a part of airflow peeling reduction sheet which concerns on embodiment of invention. （ａ）は気流剥離低減シートを自動者のリアフェンダー及びフロントフェンダーに貼り付けた状態を示す部分平面図であり、（ｂ）は気流剥離低減シートを自動車のリアウィングの裏面に貼り付けた状態を示す断面図である。(A) is a partial top view which shows the state which affixed the airflow peeling reduction sheet | seat on the rear fender and front fender of an auto, and (b) the state which affixed the airflow peeling reduction sheet on the back surface of the rear wing of a motor vehicle FIG.

符号の説明Explanation of symbols

X 気流剥離低減シート
１０ 表層シート
１１ 凹部
２０ 粘着層
３０ 剥離シート X Airflow peeling reduction sheet 10 Surface layer sheet 11 Recess 20 Adhesive layer 30 Release sheet

Claims (3)

自動車の外装に貼り付けるシートであって、
表面に形成される複数の凹部と、
裏面に形成される粘着層と
を有する気流剥離低減シート。 A sheet to be attached to the exterior of an automobile,
A plurality of recesses formed on the surface;
The airflow peeling reduction sheet which has an adhesion layer formed in the back. 前記凹部に代えて、凸部を設けた請求項１に記載の気流剥離低減シート。   The airflow separation reducing sheet according to claim 1, wherein a convex portion is provided instead of the concave portion. 前記シートは伸縮性のある材料で形成される請求項１又は２に記載の気流剥離低減シート。   The airflow separation reducing sheet according to claim 1, wherein the sheet is formed of a stretchable material.
JP2004276994A 2004-09-24 2004-09-24 Air current separation reducing sheet Pending JP2006088880A (en)

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Cited By (11)

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JP2013193567A (en) * 2012-03-19 2013-09-30 Tatsuya Yamashita Sheet-like spoiler with dimple for improvement in aerodynamic force of wagon, bus, truck, container or the like
WO2015064195A1 (en) 2013-10-30 2015-05-07 トヨタ自動車株式会社 Vehicle, and method of manufacturing same
EP3037288A1 (en) 2014-12-26 2016-06-29 Toyota Jidosha Kabushiki Kaisha Vehicle
EP3067255A1 (en) 2015-03-13 2016-09-14 Toyota Jidosha Kabushiki Kaisha Vehicle
EP3075654A1 (en) 2015-04-03 2016-10-05 Toyota Jidosha Kabushiki Kaisha Vehicle with ionising material
US9903261B2 (en) 2014-12-19 2018-02-27 Toyota Jidosha Kabushiki Kaisha Vehicle cooling device
US9909633B2 (en) 2015-02-10 2018-03-06 Toyota Jidosha Kabushiki Kaisha Braking force generation device of vehicle
JP2020165053A (en) * 2019-03-29 2020-10-08 林テレンプ株式会社 Exterior material for vehicle and its method of manufacturing
US11125256B2 (en) 2017-12-15 2021-09-21 Shinichi Takizawa Adhesive sheet-shaped member for airflow and travel vehicle using the same
JP2021147005A (en) * 2020-03-23 2021-09-27 株式会社Subaru Vehicle with improved aerodynamic characteristic
US11279305B2 (en) 2018-04-03 2022-03-22 Toyota Jidosha Kabushiki Kaisha Vehicle

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013193567A (en) * 2012-03-19 2013-09-30 Tatsuya Yamashita Sheet-like spoiler with dimple for improvement in aerodynamic force of wagon, bus, truck, container or the like
WO2015064195A1 (en) 2013-10-30 2015-05-07 トヨタ自動車株式会社 Vehicle, and method of manufacturing same
US10336270B2 (en) 2013-10-30 2019-07-02 Toyota Jidosha Kabushiki Kaisha Vehicle and manufacturing method thereof
US9903261B2 (en) 2014-12-19 2018-02-27 Toyota Jidosha Kabushiki Kaisha Vehicle cooling device
EP3037288A1 (en) 2014-12-26 2016-06-29 Toyota Jidosha Kabushiki Kaisha Vehicle
US10501034B2 (en) 2014-12-26 2019-12-10 Toyota Jidosha Kabushiki Kaisha Vehicle
US9909633B2 (en) 2015-02-10 2018-03-06 Toyota Jidosha Kabushiki Kaisha Braking force generation device of vehicle
US10207750B2 (en) 2015-03-13 2019-02-19 Toyota Jidosha Kabushiki Kaisha Vehicle
EP3067255A1 (en) 2015-03-13 2016-09-14 Toyota Jidosha Kabushiki Kaisha Vehicle
KR20160110254A (en) 2015-03-13 2016-09-21 도요타 지도샤（주） Vehicle
EP3075654A1 (en) 2015-04-03 2016-10-05 Toyota Jidosha Kabushiki Kaisha Vehicle with ionising material
US10053161B2 (en) 2015-04-03 2018-08-21 Toyota Jidosha Kabushiki Kaisha Vehicle
KR20160118985A (en) 2015-04-03 2016-10-12 도요타 지도샤（주） Vehicle
US11125256B2 (en) 2017-12-15 2021-09-21 Shinichi Takizawa Adhesive sheet-shaped member for airflow and travel vehicle using the same
US11279305B2 (en) 2018-04-03 2022-03-22 Toyota Jidosha Kabushiki Kaisha Vehicle
JP2020165053A (en) * 2019-03-29 2020-10-08 林テレンプ株式会社 Exterior material for vehicle and its method of manufacturing
WO2020203091A1 (en) * 2019-03-29 2020-10-08 林テレンプ株式会社 Exterior member for vehicle, and method for manufacturing exterior member
CN113646165A (en) * 2019-03-29 2021-11-12 林天连布株式会社 Exterior member for vehicle and method for manufacturing same
JP7233286B2 (en) 2019-03-29 2023-03-06 林テレンプ株式会社 VEHICLE EXTERIOR MEMBER AND PRODUCTION METHOD THEREOF
JP2021147005A (en) * 2020-03-23 2021-09-27 株式会社Subaru Vehicle with improved aerodynamic characteristic
JP7449740B2 (en) 2020-03-23 2024-03-14 株式会社Subaru Vehicles that improve aerodynamics

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