PROBLEM TO BE SOLVED: To achieve downsizing in a direction along an axis of a crank shaft by devising arrangement of a clutch release lever while keeping right and left weight balance, in an internal combustion engine for a saddle riding-type vehicle in which a generator and a clutch are disposed in a distributed manner at both sides in an axial direction, of the crank shaft.SOLUTION: A power transmission mechanism 64 for starting for transmitting starting power from a stater motor mounted on an outer face of a crank case 28 to a crank shaft 51, is disposed between a cylinder bore 56 and a generator 58 in a direction along an axis of the crank shaft 51. A crank case cover 62 covering the generator 58 and the power transmission mechanism 64 for starting, is mounted on the crank case 28 at a side opposite to a clutch 59. A release rod 98 of the clutch release lever for switching power transmission and power cut-off of the clutch 59 is turnably supported by the crank case cover 62 at a side position of the generator 58.SELECTED DRAWING: Figure 4

    【課題】クランクシャフトの軸方向両側に、発電機およびクラッチが振り分けて配置される鞍乗り型車両用内燃機関において、左右の重量バランスが得られるようにした上で、クラッチレリーズレバーの配置を工夫してクランクシャフトの軸線に沿う方向での小型化を可能とする。【解決手段】クランクケース28の外側面に取付けられるスタータモータからの始動用動力をクランクシャフト51に伝達する始動用動力伝達機構64が、クランクシャフト51の軸線に沿う方向でシリンダボア56および発電機58間に配置され、発電機58および始動用動力伝達機構64を覆うクランクケースカバー62が、クラッチ59と反対側でクランクケース28に取付けられ、クラッチ59の動力伝達および遮断を切替えるクラッチレリーズレバーのレリーズロッド98が、発電機58の側方位置でクランクケースカバー62に回動可能に支持される。【選択図】 図4


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    Title :

    INTERNAL COMBUSTION ENGINE FOR SADDLE RIDING-TYPE VEHICLE


    Additional title:

    鞍乗り型車両用内燃機関


    Contributors:

    Publication date :

    2018-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen



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