JP3251953B2 - Air cleaner for motorcycles and tricycles - Google Patents
Air cleaner for motorcycles and tricyclesInfo
- Publication number
- JP3251953B2 JP3251953B2 JP17693791A JP17693791A JP3251953B2 JP 3251953 B2 JP3251953 B2 JP 3251953B2 JP 17693791 A JP17693791 A JP 17693791A JP 17693791 A JP17693791 A JP 17693791A JP 3251953 B2 JP3251953 B2 JP 3251953B2
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- air cleaner
- rear chamber
- dirty
- partition wall
- 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 - Fee Related
Links
- 238000005192 partition Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は，自動二輪車や自動三輪
車に装着されるエアクリーナに関し，特に，エアクリー
ナケースの内部を吸気ダクトに接続するダーティーサイ
ド室とエンジンに接続するクリーンサイド室とに区画
し，前記ダーティーサイド室とクリーンサイド室間にエ
レメントを配設してなる自動二・三輪車用エアクリーナ
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaner mounted on a motorcycle or a three-wheeled motor vehicle, and in particular, divides the inside of an air cleaner case into a dirty side chamber connected to an intake duct and a clean side chamber connected to an engine. The present invention also relates to an air cleaner for motorcycles and motorcycles, wherein an element is disposed between the dirty side chamber and the clean side chamber.
【０００２】[0002]
【従来の技術】自動二輪車用のエアクリーナは，エアク
リーナケースの内部をダーティーサイド室とクリーンサ
イド室とに区画してダーティーサイド室を吸気ダクトを
介して外気に連通させるとともにクリーンサイド室をエ
ンジンのキャブレタに接続し，ダーティーサイド室とク
リーンサイド室との間に，吸入した外気に含まれる塵を
除去するためのエレメントを設けた構造を備えている
（例えば，実開平１−１６２８８５号公報参照）。2. Description of the Related Art In an air cleaner for a motorcycle, the interior of an air cleaner case is divided into a dirty side chamber and a clean side chamber, and the dirty side chamber is communicated with outside air via an intake duct, and the clean side chamber is a carburetor of an engine. And a structure is provided between the dirty side chamber and the clean side chamber to provide an element for removing dust contained in the sucked outside air (for example, see Japanese Utility Model Laid-Open No. 1-162885).
【０００３】[0003]
【発明が解決しようとする課題】ところで，エンジンが
大型化するに従って必要とされるエアクリーナの容積も
増加するが，自動二輪車の車体には各種の機器が搭載さ
れるためにエアクリーナの容積を充分に確保することは
困難である。By the way, as the size of the engine increases, the required volume of the air cleaner also increases. However, since various devices are mounted on the body of the motorcycle, the volume of the air cleaner is sufficiently increased. It is difficult to secure.
【０００４】本発明は前述の事情に鑑みてなされたもの
で，エアクリーナの容積を増加させることなく，その内
部における空気の流れをスムーズにすることによりエン
ジンの性能を充分に発揮させることが可能な自動二・三
輪車用エアクリーナを提供することを目的とする。[0004] The present invention has been made in view of the above circumstances, and it is possible to sufficiently exhibit the performance of an engine by smoothing the air flow inside the air cleaner without increasing the volume of the air cleaner. An object of the present invention is to provide an air cleaner for a motorcycle.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に，本発明は，エアクリーナケースの内部を吸気ダクト
に接続するダーティーサイド室とエンジンに接続するク
リーンサイド室とに区画し，前記ダーティーサイド室と
クリーンサイド室間にエレメントを配設し，前記ダーテ
ィーサイド室を仕切り壁によって吸気ダクト側の前室と
エレメント側の後室に区画してなる自動二・三輪車用エ
アクリーナにおいて，前室及び後室の配列方向に延び且
つ前室側から後室側に向けて断面積が漸次縮小する筒状
に形成した整流部材の中間部を前記仕切り壁に貫通支持
させて，その整流部材の先拡がり状の上流端部を前室
に，また同整流部材の先細り状の下流端部を後室にそれ
ぞれ突出させ，前記エレメントは，その上方に前記ダー
ティーサイド室の後室が，またその下方にクリーンサイ
ド室がそれぞれ隣接するように配置され，前記後室のエ
レメント直上空間に前記整流部材の下流端部開口が臨ん
でいることを第１の特徴とし，またこの特徴に加えて，
前記整流部材の内面に，前室側から後室側に向かって延
びる補強リブを突設したことを第２の特徴とする。In order to achieve the above object, the present invention provides an air cleaner case which is divided into a dirty side chamber connected to an intake duct and a clean side chamber connected to an engine. An element is arranged between the clean room and the clean side room, and the dirty side room is divided into a front room on the intake duct side and a rear room on the element side by a partition wall. An intermediate portion of a rectifying member formed in a cylindrical shape, which extends in the arrangement direction of the chambers and whose cross-sectional area gradually decreases from the front chamber side to the rear chamber side, is penetrated and supported by the partition wall. of the upstream end portion to the front chamber, also to protrude the downstream end tapered in the rectifying member to the rear chamber, the element, the Zehnder thereabove
The rear room of the tea side room and the clean room
Are arranged adjacent to each other, and
The downstream end opening of the straightening member faces the space directly above the
Is the first feature, and in addition to this feature,
A second feature is that a reinforcing rib extending from the front chamber side toward the rear chamber side is provided on the inner surface of the flow regulating member.
【０００６】[0006]
【実施例】以下，図面に基づいて本発明の実施例を説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【０００７】図１〜図６は本発明の一実施例を示すもの
で，図１はそのエアクリーナを装着した自動二輪車の全
体側面図，図２はエアクリーナの一部破断側面図，図３
は図２の３−３線断面図，図４は図２の４−４線断面
図，図５は図２の５−５線断面図，図６は図２の６部拡
大図である。1 to 6 show an embodiment of the present invention. FIG. 1 is an overall side view of a motorcycle equipped with the air cleaner, FIG. 2 is a partially cutaway side view of the air cleaner, and FIG.
2 is a sectional view taken along line 3-3 of FIG. 2, FIG. 4 is a sectional view taken along line 4-4 of FIG. 2, FIG. 5 is a sectional view taken along line 5-5 of FIG. 2, and FIG.
【０００８】図１に示すように，自動二輪車Ｖは前端が
ヘッドパイプ１に接続されて後下方に延びる左右一対の
メインフレーム２を備える。ヘッドパイプ１に支持した
フロントフォーク３の下端には前輪Ｗｆが軸支され，そ
のフロントフォーク３の上端には車体左右方向に延びる
操向ハンドル４が設けられる。メインアーム２の後端に
はリヤフォーク５の前端がピボット６を介して上下揺動
自在に枢支され，そのリヤフォーク５の後端には後輪Ｗ
ｒが軸支される。As shown in FIG. 1, the motorcycle V includes a pair of left and right main frames 2 whose front ends are connected to a head pipe 1 and extend rearward and downward. A front wheel Wf is pivotally supported at the lower end of the front fork 3 supported by the head pipe 1, and a steering handle 4 extending in the left-right direction of the vehicle body is provided at the upper end of the front fork 3. The front end of a rear fork 5 is pivotally supported at the rear end of the main arm 2 via a pivot 6 so as to be vertically swingable.
r is supported.
【０００９】メインフレーム２の下部には直列４気筒エ
ンジンＥが吊り下げ支持される。エンジンＥの上部に位
置する燃料タンク７の前下部に形成した凹部７1 と左右
のメインフレーム２に挟まれる空間に設けられたエアク
リーナＣは，エンジンＥとの間に配設したキャブレタ８
に接続される。An in-line four-cylinder engine E is suspended and supported below the main frame 2. Air cleaner C provided in a space sandwiched between the main frame 2 and the left and right front recess 71 which is lower in the formation of the fuel tank 7 positioned above the engine E, the carburetor 8 is disposed between the engine E
Connected to.
【００１０】図２〜図５に示すように，エアクリーナＣ
は下面が開放した合成樹脂製のアッパー部材１１と上面
が開放した合成樹脂製のロア部材１２を中央の接合面に
おいて上下に重ね合わせ，アッパー部材１１を貫通する
９本のボルト１３をロア部材１２に埋め込んだナット１
４に螺入することにより一体に接合される。アッパー部
材１１とロア部材１２の外周の接合面には互いに対向す
る溝１１1 ，１２1 が形成され，その溝１１1 ，１２1
にエレメント支持部材１５の外周に形成したフランジ１
５1 がシール部材１６を介在させた状態で嵌合して挟持
される（図６参照）。その結果，アッパー部材１１とエ
レメント支持部材１５間にダーティーサイド室１７が形
成されるとともに，ロア部材１２とエレメント支持部材
１５間にクリーンサイド室１８が形成される。[0010] As shown in FIGS.
The upper member 11 made of synthetic resin having an open lower surface and the lower member 12 made of synthetic resin having an open upper surface are vertically overlapped on a central joint surface, and nine bolts 13 penetrating the upper member 11 are connected to the lower member 12. Nut 1 embedded in
4 to be integrally joined. Opposite grooves 11 1 , 12 1 are formed on the outer peripheral joining surface of the upper member 11 and the lower member 12, and the grooves 11 1 , 12 1
Flange 1 formed on the outer periphery of element support member 15
5 1 is held fitted in a state of being interposed a seal member 16 (see FIG. 6). As a result, a dirty side chamber 17 is formed between the upper member 11 and the element support member 15, and a clean side chamber 18 is formed between the lower member 12 and the element support member 15.
【００１１】アッパー部材１１の前面には２本の吸気ダ
クト１９を装着するための吸気ダクト取付穴１１2 が形
成される。吸気ダクト１９はラバー製の筒状部材であっ
て，その前端に外気を導入するための吸入口１９1 を有
するとともに，その後部外周には前記吸気ダクト取付穴
１１2 に嵌合する環状溝１９2 が形成される。An intake duct mounting hole 112 for mounting two intake ducts 19 is formed on the front surface of the upper member 11. The intake duct 19 a cylindrical member made of rubber, annular groove 19 and has a suction port 19 1 for introducing outside air at its front end, on its rear outer periphery which fits into the intake duct mounting hole 11 2 2 is formed.
【００１２】アッパー部材１１の下面とエレメント支持
部材１５の上面には互いに対向する先端部において凹凸
係合する仕切り壁１１3 ，１５2 が形成され，その仕切
り壁１１3 ，１５2 によってダーティーサイド室１７は
前室１７1 と後室１７2 に仕切られる。仕切り壁１
１3 ，１５2 には後述の整流部材２０が貫通する切欠き
１１4 ，１５3 が形成されるとともに，アッパー部材１
１の仕切り壁１１3 の前後には整流部材２０を固定する
ための４個の取付ボス１１5 が形成される。[0012] is the partition wall 11 3, 15 2 on the upper surface of the lower surface and the element support member 15 which recess-projection engaging at the distal end that face each other of the upper member 11 is formed, the partition walls 11 3, 15 dirty side chamber by 2 17 is partitioned into the front chamber 17 1 and the rear chamber 17 2. Partition wall 1
1 3, together with 15 notches 11 to 2 in which the straightening member 20 to be described later through 4, 15 3 is formed, the upper member 1
Before and after the first partition wall 11 3 is four mounting bosses 11 5 for fixing the rectifying member 20 is formed.
【００１３】整流部材２０は上部半体２１と下部半体２
２とに分割された断面楕円形の筒状部材であって，前室
１７ 1 と後室１７ 2 の配列方向に延び，その断面積は前
室１７1 から後室１７2 に向かって漸次縮小し，即ちそ
の整流部材２０の先拡がり状の上流端部２０ｕが前室１
７1 に，また同整流部材２０の先細り状の下流端部２０
ｄが後室１７2 にそれぞれ突出する。整流部材２０は，
その接合面から側方に突設した４個のブラケット２０1
を貫通するボルト２３を前記取付ボス１１5 に螺入する
ことによりアッパー部材１１に固定される。このとき，
整流部材２０の中間部外周に突設した環状突起２０2 は
前記切欠き１１4 ，１５3 の端面に形成した溝に係合
し，整流部材２０の固定を確実なものとしている。な
お，アッパー部材１１の下面と整流部材２０の内面に
は，前後方向に延びる複数の補強リブ１１6 ，２０3 が
それぞれ突設される。The rectifying member 20 includes an upper half 21 and a lower half 2
A tubular member of an elliptical section which is divided into two and, front chamber
17 1 and the rear chamber 17 extends in the second arrangement direction, a cross-sectional area gradually diminished toward the front chamber 17 1 into the rear chamber 17 2, i.e. previous spreading shape of the upstream end portion 20u is the front chamber of the rectifying member 20 1
7 to 1, also the downstream end portion 20 tapered in the same rectifying member 20
d projects each rear chamber 17 2. The rectifying member 20 is
Four brackets 20 1 projecting laterally from the joint surface
Is fixed to the upper member 11 by screwing a bolt 23 which penetrates into the mounting boss 11 5. At this time,
Annular projection 20 2 protruding from the intermediate portion outer periphery of the rectifying member 20 engages in a groove formed in an end face of the cutout 11 4, 15 3, it is assumed ensure fixation of the rectifying member 20. Note that the lower surface and the inner surface of the rectifying member 20 of the upper member 11, a plurality of reinforcing ribs 11 6, 20 3 extending in the longitudinal direction are protruded, respectively.
【００１４】エレメント支持部材１５の後部には前後一
対の把持爪１５4 がアッパー部材１１に向けて突設さ
れ，その把持爪１５4 間に矩形状のエレメント２４が後
部が僅かに高くなるように傾斜させた状態で支持され
る。エレメント支持部材１５におけるエレメント２４の
下面が当接する部分には，ダーティーサイド室１７の後
室１７2 とクリーンサイド室１８を連通させるための多
数の円形の通孔１５5 が形成される。[0014] a pair of gripping claws 15 4 back and forth in the rear of the element support member 15 is protruded toward the upper member 11, as rectangular elements 24 between the gripping claws 15 4 the rear slightly higher It is supported in an inclined state. The lower surface of the element 24 in the element support member 15 is in the abutting portion, a number of circular holes 15 5 for Ru communicates the rear chamber 17 2 and the clean side chamber 18 of the dirty side chamber 17 is formed.
【００１５】ロア部材１２の下面には，直列４気筒エン
ジンＥの４個のキャブレタ８に接続される４個の開口１
２2 が車体左右方向に一列に形成される。各開口１２2
に装着された短筒状の継手部材２５には前記キャブレタ
８の吸気路上流端が嵌合し，バンド２６によって固定さ
れる。ロア部材１２の前端には，燃料タンク７のブリー
ザ装置（図示せず）から排出されたの燃料蒸気を導入す
るためにニップル２７が設けられる。またロア部材１２
の前端には，エアクリーナＣを車体に固定するための取
付ブラケット１２3 が突設される。On the lower surface of the lower member 12, four openings 1 connected to four carburetors 8 of the in-line four-cylinder engine E are provided.
2 2 is formed in a line in the lateral direction of the vehicle body. Each opening 12 2
The carburetor is attached to the short tubular joint member 25 mounted on the
The upper end of the intake passage 8 is fitted and fixed by the band 26. A nipple 27 is provided at a front end of the lower member 12 to introduce fuel vapor discharged from a breather device (not shown) of the fuel tank 7. Also, the lower member 12
To the front end, the mounting bracket 12 3 for securing the air cleaner C to the vehicle body is projected.
【００１６】かくして，ダーティーサイド室１７の後室
１７ 2 のエレメント上方空間には整流部材２０の下流端
部２０ｄ開口が臨んでおり，またクリーンサイド室１８
のエレメント下方空間には，燃料供給装置としてのキャ
ブレタ８の吸気路上流端側の各開口１２ 2 が臨んでい
る。従って整流部材２０の下流端部２０ｄより後室１７
2 内に流入した空気をエレメント２４側に無理なくスム
ーズに導き，更に該エレメント２４からクリーンサイド
室１８を経てキャブレタ８側にスムーズに導くことが可
能となる而して，エンジンＥの運転によって吸気ダクト
１９の吸気口１９1 から吸い込まれた外気は，吸気ダク
ト１９の内部を通ってエアクリーナＣのダーティーサイ
ド室１７の前室１７1 に流入する。前室１７1 の空気は
仕切り壁１１3 ，１５2貫通する整流部材２０の内部を
通ってダーティーサイド室１７の後室１７2 に流入し，
そこからエレメント２４を上下に横切って，該空気に含
まれる塵を除去された後，ダーティーサイド室１７下方
のクリーンサイド室１８に達する。クリーンサイド室１
８の空気は４個のキャブレタ８に供給され，そこで燃料
と混合してエンジンＥに供給される。 Thus, the rear room of the dirty side room 17
17 The second element space above the downstream end of the rectifying member 20
20d opening is facing and clean side room 18
In the space below the element,
Each opening of the intake path upstream end side of the Bureta 8 12 2 have faces
You. Therefore, the rear chamber 17 is located closer to the downstream end 20 d of the flow regulating member 20.
The air that has flowed into 2 is smoothly
And clean side from the element 24
Can be guided smoothly to the carburetor 8 side through the chamber 18
And Thus the ability outside air sucked from the intake port 19 1 of the intake duct 19 by operation of the engine E passes through the interior of the intake duct 19 and flows into the front chamber 17 1 of the air cleaner C dirty side chamber 17 . Air of the front chamber 17 1 flows into the rear chamber 17 2 of the dirty side chamber 17 through the interior of the partition wall 11 3, 15 2 through rectifying member 20,
After traversing the element 24 up and down from there, dust contained in the air is removed, and
Reaches the clean side chamber 18. Clean side room 1
The air of 8 is supplied to four carburetors 8, where it is mixed with fuel and supplied to the engine E.
【００１７】さて，エアクリーナＣのダーティーサイド
室１７に設けた断面積が次第に縮小する整流部材２０に
より，前室１７1 の空気は渦を生じることなくスムーズ
に後室１７2 に導かれるため，空気の流通抵抗が減少し
てエンジンＥの出力が増加する。また整流部材２０によ
って空気の流路長が増加するため，エアクリーナの容積
を増加させることなく吸気系の共振周波数を低下させ，
吸気騒音を効果的に低減することができる。[0017] Now, the rectifying member 20 to the cross-sectional area provided in the dirty side chamber 17 of the air cleaner C is gradually reduced, because the air in the front chamber 17 1 is guided to the rear chamber 17 2 smoothly without causing a vortex, air And the output of the engine E increases. Further, since the flow path length of the air is increased by the rectifying member 20, the resonance frequency of the intake system is reduced without increasing the volume of the air cleaner,
Intake noise can be effectively reduced.
【００１８】以上，本発明の実施例を詳述したが，本発
明は前記実施例に限定されるものでなく，特許請求の範
囲に記載された本発明を逸脱することなく種々の小設計
変更を行うことが可能である。Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the above embodiment, and various small design changes can be made without departing from the present invention described in the appended claims. It is possible to do.
【００１９】例えば，このエアクリーナＣは自動二輪車
用に限定されず，自動三輪車に対しても適用可能であ
る。また整流部材２０の本数は必ずしも１本である必要
は無く，複数本に分割して形成することができる。For example, the air cleaner C is not limited to a motorcycle, but can be applied to a motorcycle. Further, the number of the flow regulating members 20 does not necessarily have to be one, and the flow regulating member 20 can be divided into a plurality of members.
【００２０】[0020]
【発明の効果】以上のように本発明によれば，エアクリ
ーナのダーティーサイド室を仕切り壁によって吸気ダク
ト側の前室とエレメント側の後室に区画した自動二・三
輪車用エアクリーナにおいて，前室側から後室側に向け
て断面積が漸次縮小する筒状の整流部材の中間部を仕切
り壁に貫通支持させて，その整流部材の先拡がり状の上
流端部を前室に，また同整流部材の先細り状の下流端部
を後室にそれぞれ突出させたので，ダーティーサイド室
の前後二室の仕切り壁を貫通してその前後に延びる整流
部材の特設により，ダーティーサイド室を通過する空気
の流路長を実質的に増加させることできて，エアクリー
ナの容積を増加させずに吸気系の共振周波数を低下させ
ることができ，しかもこの整流部材は，その吸気通路断
面積が下流側の出口端で最小となって吸気流を無理なく
絞ることができ，かくして吸入空気の流路長が極力長く
なり且つその流路径が極力小さくなるようにして吸気騒
音を効果的に低減することができる。また，前室の比較
的小さい容積に対して，整流部材の比較的大口径の上流
端部開口より整流部材内に空気をスムーズに吸入するこ
とができるため，前室の隅部等における空気の淀みを効
果的に減らすことができて，その淀み（即ち前室が比較
的小容積であること）に起因した吸入効率の低下を抑え
ることができ，しかもその整流部材内に吸入された空気
は，整流部材内周面の案内作用により，渦流の発生を抑
えながら（即ち整流部材の内周面近傍に空気流の大きな
剥離層を生起することなく）整流部材内周面に沿ってス
ムーズに後室，延いてはエレメントに導かれるため，全
体としてエアクリーナにおける吸気抵抗を効果的に減少
させて十分な吸気量を確保でき，エンジン出力を増加さ
せることができる。以上の結果，エンジン出力の向上を
図りながらも吸気騒音を効果的に低減した極めて高性能
なエアクリーナが得られる。また特に上記エレメント
は，その上方にダーティーサイド室の後室が，またその
下方にクリーンサイド室がそれぞれ隣接するように配置
され，該後室のエレメント直上空間に前記整流部材の下
流端部開口が臨んでいるので，整流部材の下流端部より
後室内に流入した空気をエレメント側に無理なくスムー
ズに導くことが可能となり，吸気騒音の一層の低減が図
られる。 As described above, according to the present invention, in the air cleaner for motorcycles and tricycles, the dirty side chamber of the air cleaner is divided into a front chamber on the intake duct side and a rear chamber on the element side by a partition wall. The middle part of the cylindrical rectifying member whose cross-sectional area gradually decreases from the rear to the rear chamber side is supported through the partition wall, and the divergent upstream end of the rectifying member extends to the front chamber and the rectifying member. The tapered downstream ends of the two sides project into the rear chamber, respectively, and the flow of air passing through the dirty side chamber is specially provided with a rectifying member that extends through the two front and rear partition walls of the dirty side chamber. The path length can be substantially increased, and the resonance frequency of the intake system can be reduced without increasing the volume of the air cleaner. Becomes minimum at the end can squeeze without difficulty intake flow, thus the flow path length of the intake air becomes as long as possible and can be the flow path diameter to effectively reduce intake noise in the as small as possible. Further, air can be smoothly sucked into the rectifying member from the relatively large-diameter upstream end opening of the rectifying member with respect to the relatively small volume of the front chamber. The stagnation can be effectively reduced, and the decrease in the suction efficiency caused by the stagnation (that is, the front chamber has a relatively small volume) can be suppressed. By the guiding action of the inner surface of the rectifying member, the vortex flow is suppressed smoothly (that is, without generating a large separation layer of the air flow near the inner surface of the rectifying member), and the air flows smoothly along the inner peripheral surface of the rectifying member. Since the air is guided to the chamber and thus to the element, the intake resistance of the air cleaner as a whole can be effectively reduced to secure a sufficient amount of intake air, and the engine output can be increased. As a result, an extremely high-performance air cleaner that effectively reduces intake noise while improving engine output can be obtained. And especially the above elements
Above the back of the dirty side room,
Clean side chambers are located below each other.
And in the space just above the element of the rear chamber below the rectifying member.
Since the flow end opening is facing, from the downstream end of the straightening member
The air that has flowed into the rear room is smoothly
And further reduction of intake noise
Can be
【００２１】また本発明の第２の特徴によれば，整流部
材の内面に，前室側から後室側に向かって延びる補強リ
ブを突設したので，整流部材内を絞られながら流れる吸
気を補強リブによりスムーズに案内することができて，
該整流部材による前述の空気整流効果を一層高めること
ができ，しかもこの補強リブの特設により整流部材自体
の剛性が高くなるから，整流部材が吸気流を絞る際に大
きな抵抗圧力を受けても該整流部材の変形を効果的に防
止することができる。 According to a second aspect of the present invention, a rectifying unit is provided.
Reinforcing ribs extending from the front room side to the rear room side
The protruding section provides a suction
The air can be guided smoothly by the reinforcing ribs,
To further enhance the aforementioned air rectification effect by the rectification member.
The rectifying member itself is provided by the special construction of the reinforcing ribs.
The rigidity of the rectifier increases, so that the
Effectively prevents deformation of the rectifying member even if it receives
Can be stopped.
【００２２】[0022]
【図１】自動二輪車の全体側面図FIG. 1 is an overall side view of a motorcycle.
【図２】エアクリーナの一部破断側面図FIG. 2 is a partially cutaway side view of an air cleaner.
【図３】図２の３−３線断面図FIG. 3 is a sectional view taken along line 3-3 in FIG. 2;
【図４】図２の４−４線断面図FIG. 4 is a sectional view taken along line 4-4 in FIG. 2;
【図５】図２の５−５線断面図FIG. 5 is a sectional view taken along line 5-5 of FIG. 2;
【図６】図２の６部拡大図FIG. 6 is an enlarged view of part 6 of FIG.
１１・・・・・アッパー部材（エアクリーナケース） １１3 ・・・・仕切り壁 １２・・・・・ロア部材（エアクリーナケース） １５2 ・・・・仕切り壁 １７・・・・・ダーティーサイド室 １７1 ・・・・前室 １７2 ・・・・後室 １８・・・・・クリーンサイド室 １９・・・・・吸気ダクト ２０・・・・・整流部材２０ｄ・・・・下流端部 ２０ｕ・・・・上流端部 ２０ 3 ・・・・補強リブ ２４・・・・・エレメント11 Upper member (air cleaner case) 11 3 Partition wall 12 Lower member (air cleaner case) 15 2 Partition wall 17 Dirty side chamber 17 1 front chamber 17 2 rear chamber 18 clean side chamber 19 intake duct 20 rectifying member 20 d downstream end 20 u ... Upstream end 20 3 ... Reinforcing rib 24 ... Element
フロントページの続き (72)発明者 浜田 明広 埼玉県和光市中央１丁目４番１号 株式 会社本田技術研究所内 (56)参考文献 特開 昭61−89973（ＪＰ，Ａ) 実開 昭63−154756（ＪＰ，Ｕ) 実開 昭61−126073（ＪＰ，Ｕ)Continuation of the front page (72) Inventor Akihiro Hamada 1-4-1 Chuo, Wako-shi, Saitama Pref. Honda Technical Research Institute Co., Ltd. (56) References (JP, U) Japanese Utility Model Showa 61-126073 (JP, U)
Claims (2)
部を，吸気ダクト（１９）に接続するダーティーサイド
室（１７）とエンジン（Ｅ）に接続するクリーンサイド
室（１８）とに区画し，前記ダーティーサイド室（１
７）とクリーンサイド室（１８）間にエレメント（２
４）を配設し，前記ダーティーサイド室（１７）を仕切
り壁（１１3 ，１５2 ）によって吸気ダクト（１９）側
の前室（１７1 ）とエレメント（２４）側の後室（１７
2 ）に区画してなる自動二・三輪車用エアクリーナにお
いて， 前室（１７1 ）及び後室（１７2 ）の配列方向に延び且
つ前室（１７1 ）側から後室（１７2 ）側に向けて断面
積が漸次縮小する筒状に形成した整流部材（２０）の中
間部を前記仕切り壁（１１3 ，１５2 ）に貫通支持させ
て，その整流部材（２０）の先拡がり状の上流端部（２
０ｕ）を前室（１７1 ）に，また同整流部材（２０）の
先細り状の下流端部（２０ｄ）を後室（１７2 ）にそれ
ぞれ突出させ， 前記エレメント（２４）は，その上方に前記ダーティー
サイド室（１７）の後室（１７ 2 ）が，またその下方に
クリーンサイド室（１８）がそれぞれ隣接するように配
置され，前記後室（１７ 2 ）のエレメント（２４）直上
空間に前記整流部材（２０）の下流端部（２０ｄ）開口
が臨んでいる ことを特徴とする，自動二・三輪車用エア
クリーナ。The interior of an air cleaner case (11, 12) is divided into a dirty side chamber (17) connected to an intake duct (19) and a clean side chamber (18) connected to an engine (E). Dirty side room (1
7) and the clean side chamber (18)
4), the dirty side chamber (17) is partitioned by a partition wall (11 3 , 15 2 ) into a front chamber (17 1 ) on the intake duct (19) side and a rear chamber (17) on the element (24) side.
In the automatic two-tricycle cleaner formed by compartment 2), the front chamber (17 1) and the rear chamber (17 2) in the arrangement direction in the extension and the front chamber (from 17 1) side rear chamber (17 2) side An intermediate portion of a rectifying member (20) formed in a cylindrical shape whose cross-sectional area gradually decreases toward the partition wall (11 3 , 15 2 ), and is supported by the partition wall (11 3 , 15 2 ). End (2
0u) a front chamber (17 1) and are projected respectively tapered downstream end portion of the straightening member (20) to (20d) in the rear chamber (17 2), said element (24) has on its upper The dirty
Side chamber (17) a rear chamber (17 2) is also in its lower
Clean side rooms (18) are arranged adjacent to each other.
Is location, directly above the element (24) of the rear chamber (17 2)
Opening of the downstream end (20d) of the rectifying member (20) in the space
Characterized in that confronts, automatic two-tricycle cleaner.
（１７1 ）側から後室（１７2 ）側に向かって延びる補
強リブ（２０3 ）を突設したことを特徴とする，請求項
１に記載の自動二・三輪車用エアクリーナ。 2. A reinforcing rib (20 3 ) extending from the front chamber (17 1 ) side to the rear chamber (17 2 ) side on the inner surface of the flow regulating member (20). automatic two-tricycle air cleaner of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17693791A JP3251953B2 (en) | 1991-07-17 | 1991-07-17 | Air cleaner for motorcycles and tricycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17693791A JP3251953B2 (en) | 1991-07-17 | 1991-07-17 | Air cleaner for motorcycles and tricycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0526124A JPH0526124A (en) | 1993-02-02 |
| JP3251953B2 true JP3251953B2 (en) | 2002-01-28 |
Family
ID=16022350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17693791A Expired - Fee Related JP3251953B2 (en) | 1991-07-17 | 1991-07-17 | Air cleaner for motorcycles and tricycles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3251953B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5399168B2 (en) | 2009-08-25 | 2014-01-29 | 本田技研工業株式会社 | Motorcycle |
| JP5624780B2 (en) * | 2010-03-23 | 2014-11-12 | 本田技研工業株式会社 | Air cleaner device |
| KR101382282B1 (en) * | 2012-02-29 | 2014-04-08 | 현대자동차(주) | Variable intake device of engine |
| WO2014050489A1 (en) * | 2012-09-28 | 2014-04-03 | 本田技研工業株式会社 | Saddled vehicle |
| JP6117001B2 (en) * | 2013-05-27 | 2017-04-19 | 川崎重工業株式会社 | Motorcycle air cleaner |
-
1991
- 1991-07-17 JP JP17693791A patent/JP3251953B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526124A (en) | 1993-02-02 |
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