JPS6079146A - Carburetor arrangement of vertical engine - Google Patents
Carburetor arrangement of vertical engineInfo
- Publication number
- JPS6079146A JPS6079146A JP18658583A JP18658583A JPS6079146A JP S6079146 A JPS6079146 A JP S6079146A JP 18658583 A JP18658583 A JP 18658583A JP 18658583 A JP18658583 A JP 18658583A JP S6079146 A JPS6079146 A JP S6079146A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- engine
- carburetor
- air
- intake
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10196—Carburetted engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Characterised By The Charging Evacuation (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は主として自動2輪車に用いられる2気筒又は4
気筒の縦置エンジンであって、エンジンをその上端部が
前側に(るように傾斜し、エンジンの前上方にエアクリ
ーナを配置する縦置エンジンに関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention mainly applies to two-cylinder or four-cylinder motors used in motorcycles.
The present invention relates to a vertically installed cylinder engine in which the engine is inclined so that its upper end is forward, and an air cleaner is disposed above and in front of the engine.
(従来技術)
キャブレターの吸気通路管はシリンダーの中心線に対し
てエンジン側方へ略直角方向に配置されている。そのた
めにキャブレターの吸気通路管とエアクリーナとを接続
するゴムダクトを長くしなければならず、またゴムダク
トをエアクリーナ側へと太き(湾曲させなければならな
い。それにより吸気に対するゴムダクトの流路抵抗が太
き(なし、良好なエンジン性能が得られない。(Prior Art) The intake passage pipe of a carburetor is arranged approximately perpendicularly to the side of the engine with respect to the center line of the cylinder. For this purpose, the rubber duct that connects the carburetor's intake passage pipe and the air cleaner must be made longer, and the rubber duct must also be made thicker (curved) toward the air cleaner side.As a result, the flow path resistance of the rubber duct against intake air becomes thicker. (None, good engine performance cannot be obtained.
(発明の目的)
キャブレターの吸気通路管からエアクリーナまでの吸気
通路が短(かつ略直線状になるようにすることにより、
吸気に対する流路抵抗を大幅に減少し、エンジン性能を
向上させることである。(Objective of the invention) By making the intake passage from the intake passage pipe of the carburetor to the air cleaner short (and approximately straight),
The goal is to significantly reduce flow path resistance to intake air and improve engine performance.
(発明の構成)
シリンダ中心線を通る垂直面と略平行なエンジン側方の
垂直面内にキャブレターの吸気通路管を配置し、吸気通
路管の入口部を前上方のエアクリーナ側に向けている。(Structure of the Invention) The intake passage pipe of the carburetor is disposed in a vertical plane on the side of the engine that is substantially parallel to the vertical plane passing through the cylinder centerline, and the inlet portion of the intake passage pipe is directed toward the front upper air cleaner side.
(実施例)
第1図は本発明を適用した2気筒縦置エンジンの右側面
図であり、例えば自動2輪車に搭載される。この第1図
において、各シリンダ1.2は前後に並ぶように配置さ
れると共に、上端部が前側にくるように傾斜しており、
また両シリンダ1.2用の一体形シリンダヘッド3が上
端部に固着されている。シリンダヘッド3の前上方には
エアクリーナ5が配置されている。7はクラッチカバー
である。(Example) FIG. 1 is a right side view of a two-cylinder vertical engine to which the present invention is applied, and is mounted on, for example, a two-wheeled motor vehicle. In FIG. 1, the cylinders 1.2 are arranged so as to be lined up one after the other, and are inclined so that their upper ends are on the front side.
Also fixed to the upper end is a one-piece cylinder head 3 for both cylinders 1.2. An air cleaner 5 is arranged above and in front of the cylinder head 3. 7 is a clutch cover.
前側シリンダl用のキャブレター8は吸気通路管10を
備え、吸気通路IF10の中心線01oは、シリンダ1
の中心線01を通る垂直面(鉛直面)と略平行なシリン
ダ側方の垂直面(第1図の紙面と平行な面)内に位置し
ており、吸気通路管10の入口部10aは前上方のエア
クリーナ5側に向いている。吸気通路管入口部10aは
概ね直線状に近い短いゴムダクト11によりエアクリー
ナ5に接続している。吸気通路管10の出口部はホルダ
ー12に接続し、ホルダー12はリードバルブケース1
3に接続している。リードバルブケース13はクラッチ
カバー7に固着され、クランクケース内(予圧縮室)に
連通している。The carburetor 8 for the front cylinder l is equipped with an intake passage pipe 10, and the center line 01o of the intake passage IF10 is aligned with the cylinder 1.
The inlet portion 10a of the intake passage pipe 10 is located in the vertical plane (parallel to the plane of the paper in FIG. 1) on the side of the cylinder, which is approximately parallel to the vertical plane passing through the center line 01 of the cylinder. It faces toward the upper air cleaner 5 side. The intake passage pipe entrance portion 10a is connected to the air cleaner 5 by a short rubber duct 11 that is approximately linear. The outlet of the intake passage pipe 10 is connected to a holder 12, and the holder 12 is connected to the reed valve case 1.
Connected to 3. The reed valve case 13 is fixed to the clutch cover 7 and communicates with the inside of the crankcase (precompression chamber).
キャブレター8は例えばフロート式であって、ピストン
バルブ部8a及びフロート室8b等を備えている。14
はケーブルであって、バルブ8a内のピストンを操作す
る。The carburetor 8 is, for example, a float type, and includes a piston valve portion 8a, a float chamber 8b, and the like. 14
is a cable that operates the piston within the valve 8a.
第2図は第1図のI−II断断部部分図示しており、シ
リンダ中心線01を通る垂直面(82図の紙面と直角の
垂直面)とキャブレター吸気通路管10の中心線01o
を通る垂直面(第2図の紙面と直角の垂直面)が平行で
あることを明確にしている。FIG. 2 shows a partial view of the section I-II in FIG.
It is clear that the vertical plane passing through (the vertical plane perpendicular to the plane of the paper in Figure 2) is parallel.
16はリードバルブであり、リードバルブケース13内
に設けられている。17はピストン、18は燃焼室であ
る。16 is a reed valve, which is provided inside the reed valve case 13. 17 is a piston, and 18 is a combustion chamber.
なお第1図の後側シリンダ2用のキャブレター♂、吸気
通路管102及びリードバルブケース1を等の配置及び
構造は前側シリンダ1の場合と同様である。即ちシリン
ダ2の中心線08を通る垂直面とキャブレター吸気通路
管10′の中心@ O’soを通る垂直面は互いに略平
行になっており、吸気管10’の入口部1σaは前上方
のエアクリーナ5に向いている。またゴムダクト11’
は短(形成されており、3−
概ね直線状に近(形成されている。The arrangement and structure of the carburetor ♂, intake passage pipe 102, reed valve case 1, etc. for the rear cylinder 2 in FIG. 1 are the same as those for the front cylinder 1. That is, the vertical plane passing through the center line 08 of the cylinder 2 and the vertical plane passing through the center @ O'so of the carburetor intake passage pipe 10' are approximately parallel to each other, and the inlet portion 1σa of the intake pipe 10' is connected to the front upper air cleaner. Suitable for 5. Also rubber duct 11'
is short (formed);
(作用)
吸気はエアクリーナ5から各ゴムダクト11.1rを通
ってキャブレター8、♂の吸気通路管1O11♂内に入
り、通路管10.101で燃料と混合し、リードバルブ
16を通過してクラッチカバー7内に入る。そしてクラ
ッチカバー7内から各シリンダ1,2の掃気通路20
(第2図)を介して各シリンダ1.2の燃焼室18に供
給される。(Function) Intake air passes through each rubber duct 11.1r from the air cleaner 5, enters the intake passage pipe 1O11♂ of the carburetor 8, male, mixes with fuel in the passage pipe 10.101, passes through the reed valve 16, and is removed from the clutch cover. Enter within 7. Then, from inside the clutch cover 7, the scavenging passages 20 of each cylinder 1, 2 are
(FIG. 2) into the combustion chamber 18 of each cylinder 1.2.
(別の実施例)
fo 前述の実施例のようなリードバルブ方式の代りに
ロータリバルブ方式のエンジンに適用する。(Another Embodiment) fo This embodiment is applied to a rotary valve type engine instead of the reed valve type engine as in the previous embodiment.
(ロ) シリンダから直接に混合気を吸入するエンジン
に適用する。(b) Applicable to engines that intake air-fuel mixture directly from the cylinder.
(ハ) シリンダを前後に各1対備えた4気筒エンジン
に適用する・
に) キャブレターがシリンダ軸と若干類いた平面に位
置する構造。(c) Applicable to 4-cylinder engines with one pair of cylinders at the front and rear. (c) A structure in which the carburetor is located on a plane slightly similar to the cylinder axis.
(発明の効果)
シリンダ中心線を通る垂直面と略平行なエンジ4−
ン側方の重置面内にキャブレターの吸気通路管を配置し
、吸気通路管の入口部を前上方のエアクリーナ側に向け
ているので、エアクリーナからキャブレター吸気通路管
に至る吸気通路(ゴムダクト等)が短くかつ直線に近い
状態になる。それにより吸気通路の流路抵抗が大幅に減
少し、エンジン性能が向上する。またエンジン全体がコ
ンノ嘴りトになる。(Effects of the invention) The intake passage pipe of the carburetor is arranged in the overlapping plane on the side of the engine, which is approximately parallel to the vertical plane passing through the cylinder centerline, and the inlet of the intake passage pipe is placed toward the front upper air cleaner side. Because the engine is facing toward the engine, the intake passage (rubber duct, etc.) from the air cleaner to the carburetor intake passage pipe is short and nearly straight. This significantly reduces flow resistance in the intake passage and improves engine performance. In addition, the entire engine will be recessed.
【図面の簡単な説明】
第1図は本発明を適用した2気筒2サイルク型縦置エン
ジンの右側面図、第2図はlit図のI[−■断面図で
ある。1.2・・・シリンダ、5・・優エアクリーナ、
8.8#・・・キャブレター、10、lO−・・吸気通
路管、10a、1G’!・・・入口部特許出願人 川崎
重工業株式会社BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a right side view of a two-cylinder, two-stroke vertical engine to which the present invention is applied, and FIG. 2 is a sectional view of I[-■ in the lit diagram. 1.2...Cylinder, 5...Excellent air cleaner,
8.8#...Carburetor, 10, lO-...Intake passage pipe, 10a, 1G'! ... Entrance section patent applicant Kawasaki Heavy Industries, Ltd.
Claims (1)
ジンの前上方にエアクリーナを配置する縦置エンジンに
おいて、シリンダ中心線を通る垂直面と略平行なエンジ
ン側方の垂直面内にキャブレターの吸気通路管を配置し
、吸気通路管の入口部を前上方のエアクリーナ側に向け
たことを特徴とする縦置エンジンのキャブレター配置構
造。In a vertical engine in which the engine is tilted so that its upper end is at the front and an air cleaner is placed above the front of the engine, the intake air of the carburetor is placed in a vertical plane on the side of the engine that is approximately parallel to the vertical plane passing through the cylinder centerline. A carburetor arrangement structure for a vertically mounted engine characterized by a passage pipe being arranged and the inlet of the intake passage pipe facing toward the front upper air cleaner side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18658583A JPS6079146A (en) | 1983-10-04 | 1983-10-04 | Carburetor arrangement of vertical engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18658583A JPS6079146A (en) | 1983-10-04 | 1983-10-04 | Carburetor arrangement of vertical engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6079146A true JPS6079146A (en) | 1985-05-04 |
JPH0129984B2 JPH0129984B2 (en) | 1989-06-15 |
Family
ID=16191117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18658583A Granted JPS6079146A (en) | 1983-10-04 | 1983-10-04 | Carburetor arrangement of vertical engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6079146A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726017A (en) * | 1980-07-21 | 1982-02-12 | Honda Motor Co Ltd | Carburetor device for autobicycle |
JPS5848977U (en) * | 1981-09-29 | 1983-04-02 | 本田技研工業株式会社 | Motorcycle carburetor arrangement structure |
JPS58174119A (en) * | 1982-04-07 | 1983-10-13 | Yamaha Motor Co Ltd | 2-cycle v-engine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5848977B2 (en) * | 1978-05-31 | 1983-11-01 | 松下電工株式会社 | relay |
-
1983
- 1983-10-04 JP JP18658583A patent/JPS6079146A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726017A (en) * | 1980-07-21 | 1982-02-12 | Honda Motor Co Ltd | Carburetor device for autobicycle |
JPS5848977U (en) * | 1981-09-29 | 1983-04-02 | 本田技研工業株式会社 | Motorcycle carburetor arrangement structure |
JPS58174119A (en) * | 1982-04-07 | 1983-10-13 | Yamaha Motor Co Ltd | 2-cycle v-engine |
Also Published As
Publication number | Publication date |
---|---|
JPH0129984B2 (en) | 1989-06-15 |
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