ENGINE

To provide an engine capable of suppressing protrusion in a vehicle width direction to be arranged as lower as possible for a vehicle when mounted on a motor cycle.SOLUTION: An engine 31 comprises: a crank case 32; a cover 49, 69 which is coupled to the crank case 32 at a mating surface 54, 72 which...

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Bibliographic Details
Main Authors OKUBO FUMIAKI, KAWAI CHIHARU, DEGUCHI TOSHIAKI, NUKADA YOSHITAKA, MORI KENSUKE, YOKOTA HIROSHI
Format Patent
LanguageEnglish
Japanese
Published 23.01.2020
Subjects
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:To provide an engine capable of suppressing protrusion in a vehicle width direction to be arranged as lower as possible for a vehicle when mounted on a motor cycle.SOLUTION: An engine 31 comprises: a crank case 32; a cover 49, 69 which is coupled to the crank case 32 at a mating surface 54, 72 which is inclined inward in a vehicle width direction as it goes downward when mounted on a vehicle body, and which covers a protruding end of a rotational shaft; and a mounting boss 55, 73 formed integrally with the cover 49, 69, having a predetermined height from the mating surface 54, 72, and receiving a fastening member 56, 74 for fastening the cover 49, 69 to the crank case 32.SELECTED DRAWING: Figure 4 【課題】自動二輪車に搭載された際に車幅方向に出っ張りを抑制し車両に対してできる限り低位置に配置されることができるエンジンを提供する。【解決手段】エンジン３１は、クランクケース３２と、車体への搭載時に下方にいくにつれて車幅方向内側に傾斜する合わせ面５４；７２でクランクケース３２に結合されて、回転軸の突出端を覆うカバー４９；６９と、カバー４９；６９に一体に形成されて、合わせ面５４；７２から所定の高さを有し、クランクケース３２にカバー４９；６９を締結する締結部材５６；７４を受け入れる取り付け用ボス５５；７３とを備える。【選択図】図４
Bibliography:Application Number: JP20190083157