WO2021192626A1 - 鞍乗り型車両の風防構造 - Google Patents
鞍乗り型車両の風防構造 Download PDFInfo
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- WO2021192626A1 WO2021192626A1 PCT/JP2021/003750 JP2021003750W WO2021192626A1 WO 2021192626 A1 WO2021192626 A1 WO 2021192626A1 JP 2021003750 W JP2021003750 W JP 2021003750W WO 2021192626 A1 WO2021192626 A1 WO 2021192626A1
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- WIPO (PCT)
- Prior art keywords
- recess
- curved surface
- vehicle width
- screen
- saddle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
- B62J17/02—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for shielding only the rider's front
- B62J17/04—Windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
- B62J50/30—Means for ventilation within devices provided on the cycle, e.g. ventilation means in a battery container
Definitions
- the present invention relates to a windshield structure of a saddle-riding vehicle.
- the present application claims priority based on Japanese Patent Application No. 2020-055520 filed in Japan on March 26, 2020, the contents of which are incorporated herein by reference.
- Patent Document 1 a windshield is provided on a cowling attached to the front part of a vehicle body, a windshield is opened at the lower part of the cowling, and a windshield is provided on the windshield and a windshield facing the rear surface of the windshield. Is disclosed.
- a blocking wall protruding from the front surface and extending in the vehicle width direction is provided on the front surface of the wind guide plate located above the air guide port.
- the baffle plate when the baffle plate is provided with a curved surface that protrudes upward at a position facing the rear surface of the screen, if a convex portion is formed on the curved surface, it becomes a resistance when the vehicle body tilts in the roll direction, and the turning performance is improved. May decrease. Therefore, in a saddle-riding vehicle having a screen at the front of the vehicle, there is a problem that the generation of wind noise is suppressed while suppressing the deterioration of the turning performance.
- the present invention provides a windshield structure capable of suppressing the generation of wind noise while suppressing a decrease in turning performance in a saddle-riding vehicle having a screen at the front of the vehicle.
- the windshield structure of the saddle-riding vehicle includes a meter visor (30) having a curved surface (32) that covers the meter (20) from above and protrudes upward, and the meter visor (30).
- a screen (40) that is arranged above the curved surface (32) and forms an air guide path (50) between the curved surface (32) and the curved surface (32), and the air guide path (50). It includes at least one recess (35) formed in the curved surface (32) of the meter visor (30).
- a part of the traveling wind passing through the air guide path flows into the recess, so that a turbulent flow is generated on the downstream side of the recess.
- turbulence can be introduced into the space behind the screen without providing a convex portion on the curved surface of the meter visor. Therefore, it is necessary to suppress the deterioration of the turning performance of the vehicle due to the air resistance of the convex portion, weaken the directivity of the flow of the running wind introduced into the space behind the screen from the air guide, and suppress the generation of wind noise. Can be done.
- the windshield structure of the saddle-riding vehicle according to the second aspect of the present invention includes a plurality of recesses (35) in the windshield structure of the saddle-riding vehicle according to the first aspect. ..
- turbulence can be reliably introduced into the space behind the screen as compared with the configuration in which a single recess is formed on the curved surface of the meter visor. Therefore, it is possible to weaken the directivity of the flow of the traveling wind introduced into the space behind the screen from the air guide, and to more reliably suppress the generation of wind noise.
- the at least one recess (35) is the vehicle of the vehicle. It is provided with a pair of left and right lateral recesses (35S) arranged on both sides in the vehicle width direction with the width center (C) in between.
- the turbulent flow due to the recesses is caused by the vehicle width as compared with the configuration in which the pair of recesses are arranged in the front-rear direction. It can be introduced into the space behind the screen in a wider range of directions, and the running wind can pass smoothly in the air guide. Therefore, the directivity of the flow of the traveling wind introduced from the wind guide into the space behind the screen can be weakened, and the generation of wind noise can be suppressed more reliably.
- the windshield structure of the saddle-mounted vehicle according to the fourth aspect of the present invention is the windshield structure of the saddle-mounted vehicle according to any one of the first to third aspects, wherein the windshield structure has at least one recess (35). ) Is located inside the opening (51) on the upstream side of the air guide (50) with respect to both ends in the vehicle width direction.
- the traveling wind introduced into the air guide path and flowing backward can be passed along the concave portion.
- turbulence can be reliably generated on the downstream side of the recess.
- the windshield structure of the saddle-riding vehicle according to the fifth aspect of the present invention is the windshield structure of the saddle-riding vehicle according to any one of the first to fourth aspects, wherein the windshield structure has at least one recess (35). ) Provide a recess (35) having a bottom (38) located at the deepest position with respect to the opening edge, and the distance (D1) from the front end of the recess (35) at the opening edge to the bottom (38). ) Is larger than the distance (D2) from the rear end portion of the recessed portion (35) to the bottom portion (38) at the opening edge.
- the windshield structure of the saddle-riding vehicle of the fifth aspect it is possible to make the shape so that the traveling wind can easily flow into the recess and the traveling wind flowing into the recess can be easily disturbed. Therefore, turbulence can be reliably generated on the downstream side of the recess.
- the windshield structure of the saddle-riding vehicle according to the sixth aspect of the present invention is the windshield structure of the saddle-riding vehicle according to any one of the first to fifth aspects, wherein the windshield structure has at least one recess (35).
- the opening edges of) are widened in the vehicle width direction from the front end to the rear.
- the traveling wind flowing into the recess becomes a vertical vortex, so that the horizontal vortex can be reduced by intersecting with the wind (horizontal vortex) on the screen. Therefore, the wind noise can be reduced.
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG. It is a perspective view which shows the vehicle front part of the motorcycle of embodiment. It is a front view which shows the cross section of the meter visor in the IV-IV line of FIG. It is an enlarged view of the V part of FIG.
- FIG. 1 is a front view showing the front portion of the motorcycle of the embodiment.
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
- the motorcycle 1 of the present embodiment is a saddle-riding vehicle in which a driver rides across a vehicle body.
- the front body cover 10 that covers the head pipe (not shown) at the front end of the vehicle body frame, the meter 20 that is arranged above the front body cover 10 and in front of the handlebar 3, and the meter 20
- a meter visor 30 for covering the meter visor 30 from above and a screen 40 arranged above the meter visor 30 are provided.
- the front body cover 10, the meter visor 30, and the screen 40 are formed symmetrically with respect to the vehicle width center C of the vehicle.
- FIG. 3 is a perspective view showing a front portion of the motorcycle of the embodiment. Note that FIG. 3 shows a state in which the screen 40 is removed.
- the meter visor 30 overlaps the upper end 10a of the front portion of the front body cover 10 at the front end portion 30a of the meter visor 30 and projects rearward and upward from the meter 20.
- a curved surface 32 is provided on the upper surface 31 of the meter visor 30.
- the curved surface 32 is formed in a convex curved surface shape that protrudes upward, and extends downward from the vehicle width center C toward the outside in the vehicle width direction (see also FIG. 4).
- the curved surface 32 itself projects upward, but no convex portion is formed on the curved surface 32.
- the curved surface 32 extends upward from the front end portion (leading edge 32a described later) toward the rear end portion on a cross section orthogonal to the vehicle width direction.
- the outer edge of the curved surface 32 includes a leading edge 32a that faces in a direction inclined forward with respect to the outside in the vehicle width direction when viewed from above.
- the leading edge 32a is formed in a curved shape so as to extend rearward from the vehicle width center C toward the outside in the vehicle width direction.
- the leading edge 32a of the curved surface 32 is located inside the outer edge of the entire upper surface 31 of the meter visor 30.
- a plurality of recesses 35 that do not penetrate the meter visor 30 are formed on the curved surface 32 of the meter visor 30.
- the plurality of recesses 35 are arranged at different positions in the vehicle width direction.
- the plurality of recesses 35 are arranged at the same positions in the vertical direction in the front view (see FIG. 1).
- the plurality of recesses 35 include a pair of left and right lateral recesses 35S arranged symmetrically with respect to the vehicle width center C in the vehicle width direction, and a central recess 35C arranged on the vehicle width center C.
- Each recess 35 is formed at a position closer to the leading edge 32a than the trailing edge on the curved surface 32 in the front-rear direction.
- Each recess 35 is formed at a position closer to the leading edge 32a than the intermediate portion in the front-rear direction on the curved surface 32 on the cross section orthogonal to the vehicle width direction.
- the recess 35 is formed so that the dimension in the front-rear direction is larger than the dimension in the vehicle width direction.
- the opening edges of the recess 35 are spaced apart in the vehicle width direction from the front end thereof toward the rear.
- the opening edge of the recess 35 is formed in a triangular shape and has a trailing edge 36 extending in the vehicle width direction and a pair of side edges 37 extending forward from both ends of the trailing edge 36 and connecting to each other. Be prepared.
- FIG. 4 is a front view showing a cross section of the meter visor on the IV-IV line of FIG.
- FIG. 5 is an enlarged view of the V portion of FIG.
- the recess 35 includes a bottom 38 located at the deepest position with respect to the opening edge.
- the recess 35 is defined from the rear by the rear surface 35a connecting the trailing edge 36 and the bottom 38, and is defined from the outside in the vehicle width direction by a pair of side surfaces 35b connecting each side edge 37 and the bottom 38.
- the rear surface 35a is formed in a triangular shape with the trailing edge 36 as one side and the bottom 38 as the opposite apex of the trailing edge 36.
- the side surface 35b is formed in a triangular shape with the side edge 37 as one side and the bottom 38 as the opposite apex of the side edge 37.
- the rear surface 35a and the side surface 35b are respectively inclined and connected to the curved surface 32 at an angle of less than 90 °.
- the distance D1 from the front end (that is, the connection between the pair of side edges 37) to the bottom 38 at the opening edge of the recess 35 is the distance from the rear end (that is, the trailing edge 36) to the bottom 38 at the opening edge of the recess 35. Larger than D2.
- the plurality of recesses 35 are formed in the same shape as each other.
- the screen 40 blocks the traveling wind toward the driver when the motorcycle 1 is traveling forward.
- the screen 40 is formed in a thin plate shape by a resin material.
- the screen 40 is arranged so as to face at least the entire curved surface 32 of the upper surface 31 of the meter visor 30.
- the screen 40 projects rearward and upward from the meter visor 30 from a portion facing the upper surface 31 of the meter visor 30.
- the screen 40 follows the shape of the upper surface 31 of the meter visor 30 and is curved so as to extend downward from the vehicle width center C toward the outside in the vehicle width direction.
- the screen 40 extends from the front lower end portion to the rear upper end portion on a cross section orthogonal to the vehicle width direction to reach the rear upper end portion.
- the screen 40 is fixed so as to overlap the curved surface 32 on the meter visor 30 on the outer side in the vehicle width direction.
- the portion of the lower surface of the screen 40 facing the curved surface 32 of the meter visor 30 is formed in a concave curved surface shape, and extends downward from the vehicle width center C toward the outside in the vehicle width direction.
- the screen 40 is arranged at a distance from at least the curved surface 32 of the upper surface 31 of the meter visor 30.
- the screen 40 forms a wind guide 50 with the curved surface 32 of the meter visor 30.
- the screen 40 projects forward and downward from the portion of the meter visor 30 facing the curved surface 32, and faces the front surface of the upper portion of the front body cover 10 at intervals.
- the air guide path 50 is formed by the space between the screen 40 and the front body cover 10 and the space between the screen 40 and the meter visor 30.
- a protruding portion 41 projecting downward in the front is formed at the lower front end portion of the screen 40.
- the lower end edge of the protruding portion 41 extends rearward and upward from the vehicle width center C toward the outside in the vehicle width direction.
- the lower end edge of the protruding portion 41 is formed so as to come into contact with or approach the front body cover 10 at both ends and to be spaced from the front body cover 10 in the entire intermediate portion excluding both ends.
- the protrusion 41 of the screen forms an opening 51 on the upstream side of the air guide path 50 between the lower end edge of the protrusion 41 and the front body cover 10.
- the opening 51 on the upstream side of the air guide path 50 extends upward from the vehicle width center C toward the outside in the vehicle width direction when viewed from the front.
- the opening 51 on the upstream side of the air guide path 50 is formed smaller than the curved surface 32 of the meter visor 30 in the vehicle width direction.
- a plurality of recesses 35 are located inside the opening 51 on the upstream side of the air guide 50 in the vehicle width direction with respect to both ends in the vehicle width direction.
- the opening 51 on the upstream side of the headrace 50 takes in the running wind into the headrace 50.
- the traveling wind taken into the guide passage 50 passes through the guide passage 50 along the curved surface 32 of the meter visor 30 and flows out from the opening on the downstream side of the guide passage 50.
- the opening on the downstream side of the air guide path 50 is formed between the trailing edge of the curved surface 32 of the meter visor 30 and the screen 40, and faces the space behind the screen 40. As a result, the traveling wind that has passed through the air guide path 50 is introduced into the space behind the screen 40.
- the windshield structure of the motorcycle 1 of the present embodiment includes a recess 35 formed on the curved surface 32 of the meter visor 30 in the air guide path 50. According to this configuration, a part of the traveling wind passing through the air guide passage 50 flows into the recess 35, so that a turbulent flow is generated on the downstream side of the recess 35. As a result, turbulence can be introduced into the space behind the screen 40 without providing a convex portion on the curved surface 32 of the meter visor 30.
- a plurality of recesses 35 are formed on the curved surface 32. This allows turbulence to be reliably introduced into the space behind the screen 40 as compared to a configuration in which a single recess is formed on the curved surface.
- the plurality of recesses 35 are arranged at different positions in the vehicle width direction. Therefore, the turbulent flow due to the recesses 35 can be introduced into the space behind the screen 40 in a wider range in the vehicle width direction, as compared with the configuration in which all the recesses are arranged at only one location in the vehicle width direction. Therefore, the directivity of the flow of the traveling wind introduced from the air guide passage 50 to the space behind the screen 40 can be weakened, and the generation of wind noise can be suppressed more reliably.
- the recess 35 includes a pair of left and right lateral recesses 35S arranged on both sides in the vehicle width direction with the vehicle width center C in between. According to this configuration, since the pair of side recesses 35S are separated from each other, the screen 40 has a wider range of turbulence due to the recesses 35 in the vehicle width direction than the configuration in which the pair of recesses are arranged in the front-rear direction. In addition to being able to be introduced into the space behind the above, the traveling wind can be smoothly passed through the air guide path 50. Therefore, the directivity of the flow of the traveling wind introduced from the air guide passage 50 into the space behind the screen 40 can be weakened, and the generation of wind noise can be suppressed more reliably.
- the recess 35 is located inside the opening 51 on the upstream side of the air guide path 50 in the vehicle width direction with respect to both ends in the vehicle width direction. According to this configuration, the traveling wind introduced into the air guide path 50 and flowing backward can be passed along the recess 35. As a result, turbulence can be reliably generated on the downstream side of the recess 35.
- the recess 35 includes a bottom 38 located at the deepest position with respect to the opening edge.
- the distance D1 from the front end to the bottom 38 at the opening edge of the recess 35 is larger than the distance D2 from the rear end to the bottom 38 at the opening edge of the recess 35.
- the opening edge of the recess 35 is widened in the vehicle width direction from the front end to the rear. As a result, the traveling wind flowing into the recess 35 becomes a vertical vortex, so that the horizontal vortex can be reduced by intersecting with the wind (horizontal vortex) on the screen 40. Therefore, the wind noise can be reduced.
- the present invention is not limited to the above-described embodiment described with reference to the drawings, and various modifications can be considered within the technical scope thereof.
- the present invention is applicable not only to motorcycles but also to tricycles or motorcycles such as buggies and ATVs (All Terrain Vehicles).
- a plurality of recesses 35 are formed on the curved surface 32, but only one recess may be formed. Further, the arrangement of the plurality of recesses 35 is not limited to the above embodiment, and for example, the central recess may be arranged at a position different from the lateral recess in the vertical direction. Further, an even number of recesses may be arranged symmetrically with respect to the center of the vehicle width in the vehicle width direction. Further, the shape of the recess may be changed as appropriate.
- the opening 51 on the upstream side of the air guide path 50 is formed between the screen 40 and the front body cover 10, but the opening on the upstream side of the air guide path is the upper surface of the screen and the meter visor. It may be formed between. Further, the opening on the upstream side of the air guide may be formed as a through hole in the screen.
- the curved surface 32 of the meter visor 30 is not formed with a convex portion, but at least the convex portion overlaps with the opening 51 on the upstream side of the air guide path 50 on the curved surface 32 in the vehicle width direction. Is not formed. However, it is more desirable that the curved surface 32 does not have a convex portion in the passing range of the traveling wind in the air guide path 50.
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Abstract
Description
本願は、2020年3月26日に、日本に出願された特願2020-055520号に基づき優先権を主張し、その内容をここに援用する。
図1および図2に示すように、本実施形態の自動二輪車1は、運転者が車体を跨いで乗車する鞍乗り型車両である。自動二輪車1の車両前部には、車体フレームの前端部のヘッドパイプ(不図示)を覆うフロントボディカバー10と、フロントボディカバー10の上方かつハンドルバー3の前方に配置されたメータ20と、メータ20を前上方から覆うメータバイザー30と、メータバイザー30の上方に配置されたスクリーン40と、が設けられている。なお本実施形態では、フロントボディカバー10、メータバイザー30およびスクリーン40は、車両の車幅中心Cに対して左右対称に形成されているものとする。
図2および図3に示すように、メータバイザー30は、メータバイザー30の前端部30aにおいてフロントボディカバー10の前部の上端10aに重なっているとともに、メータ20よりも後上方に張り出している。メータバイザー30の上面31には、湾曲面32が設けられている。湾曲面32は、上方に突出する凸曲面状に形成され、車幅中心Cから車幅方向外側に向かうに従い下方に延びている(図4を併せて参照)。なお湾曲面32自体は上方に突出しているが、湾曲面32には凸部が形成されていない。湾曲面32は、車幅方向に直交する断面上で、前端部(後述する前縁32a)から後端部に向かうに従い上方に延びている。
図4および図5に示すように、凹部35は、開口縁に対して最も深い位置に位置する底部38を備える。凹部35は、後縁36と底部38とを接続する後面35aによって後方から画成されているとともに、各側縁37と底部38とを接続する一対の側面35bによって車幅方向の外側から画成されている。後面35aは、後縁36を1辺とするとともに底部38を後縁36の対頂点とする三角形状に形成されている。側面35bは、側縁37を1辺とするとともに底部38を側縁37の対頂点とする三角形状に形成されている。後面35aおよび側面35bは、それぞれ湾曲面32に対して90°未満の角度で傾斜して接続している。凹部35の開口縁における前端部(すなわち一対の側縁37同士の接続部)から底部38までの距離D1は、凹部35の開口縁における後端部(すなわち後縁36)から底部38までの距離D2よりも大きい。なお本実施形態では、複数の凹部35は、互いに同一形状に形成されている。
20 メータ
30 メータバイザー
32 湾曲面
35 凹部
35S 側方凹部
38 底部
40 スクリーン
50 導風路
51 開口
C 車幅中心
D1,D2 距離
Claims (6)
- メータ(20)を上方から覆い、上方に突出した湾曲面(32)を有するメータバイザー(30)と、
前記メータバイザー(30)の上方に配置され、前記湾曲面(32)に対向して前記湾曲面(32)との間に導風路(50)を形成するスクリーン(40)と、
前記導風路(50)で前記メータバイザー(30)の前記湾曲面(32)に形成された少なくとも1つの凹部(35)と、
を備える鞍乗り型車両の風防構造。 - 前記少なくとも1つの凹部(35)は、複数の凹部(35)を備える、
請求項1に記載の鞍乗り型車両の風防構造。 - 前記少なくとも1つの凹部(35)は、車両の車幅中心(C)を挟んで車幅方向の両側に配置された左右一対の側方凹部(35S)を備える、
請求項1または請求項2に記載の鞍乗り型車両の風防構造。 - 前記少なくとも1つの凹部(35)は、前記導風路(50)の上流側の開口(51)における車幅方向の両端よりも車幅方向の内側に位置している、
請求項1から請求項3のいずれか1項に記載の鞍乗り型車両の風防構造。 - 前記少なくとも1つの凹部(35)は、開口縁に対して最も深い位置に位置する底部(38)を有する凹部(35)を備え、
前記凹部(35)の前記開口縁における前端部から前記底部(38)までの距離(D1)は、前記凹部(35)の前記開口縁における後端部から前記底部(38)までの距離(D2)よりも大きい、
請求項1から請求項4のいずれか1項に記載の鞍乗り型車両の風防構造。 - 前記少なくとも1つの凹部(35)の開口縁は、前端部から後方に向かうに従い車幅方向に間隔を広げている、
請求項1から請求項5のいずれか1項に記載の鞍乗り型車両の風防構造。
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JP2022509343A JP7366235B2 (ja) | 2020-03-26 | 2021-02-02 | 鞍乗り型車両の風防構造 |
BR112022014825A BR112022014825A2 (pt) | 2020-03-26 | 2021-02-02 | Estrutura de para-brisa de veículo para conduzir montado em selim |
CN202190000317.9U CN218141908U (zh) | 2020-03-26 | 2021-02-02 | 跨骑型车辆的防风结构 |
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JP2020055520 | 2020-03-26 | ||
JP2020-055520 | 2020-03-26 |
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Citations (4)
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JP2008080868A (ja) * | 2006-09-26 | 2008-04-10 | Honda Motor Co Ltd | 自動二輪車のアンテナ取付構造 |
JP2013193649A (ja) * | 2012-03-22 | 2013-09-30 | Honda Motor Co Ltd | 鞍乗り型車両の導風構造 |
JP2014028588A (ja) * | 2012-07-31 | 2014-02-13 | Yamaha Motor Co Ltd | 鞍乗型車両 |
JP2016190517A (ja) * | 2015-03-30 | 2016-11-10 | 本田技研工業株式会社 | 鞍乗り型車両の走行風取り入れ構造 |
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2021
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- 2021-02-02 BR BR112022014825A patent/BR112022014825A2/pt unknown
- 2021-02-02 JP JP2022509343A patent/JP7366235B2/ja active Active
- 2021-02-02 CN CN202190000317.9U patent/CN218141908U/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008080868A (ja) * | 2006-09-26 | 2008-04-10 | Honda Motor Co Ltd | 自動二輪車のアンテナ取付構造 |
JP2013193649A (ja) * | 2012-03-22 | 2013-09-30 | Honda Motor Co Ltd | 鞍乗り型車両の導風構造 |
JP2014028588A (ja) * | 2012-07-31 | 2014-02-13 | Yamaha Motor Co Ltd | 鞍乗型車両 |
JP2016190517A (ja) * | 2015-03-30 | 2016-11-10 | 本田技研工業株式会社 | 鞍乗り型車両の走行風取り入れ構造 |
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JPWO2021192626A1 (ja) | 2021-09-30 |
JP7366235B2 (ja) | 2023-10-20 |
CN218141908U (zh) | 2022-12-27 |
BR112022014825A2 (pt) | 2022-10-04 |
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