A type of internal combustion engine that uses gasoline as fuel, it is a type of spark ignition engine. A mixture of gasoline and air is drawn into the cylinder, compressed, and ignited by a spark plug to burn, and the expansion force of the gas is converted into rotational motion. There are four-stroke, two-stroke, and rotary engines. Historically, G. Daimler produced a hot-tube ignition vertical engine with a surface carburetor in 1883, followed by K. Benz's gasoline engine using electric ignition. Since then, it has developed rapidly, and is now widely used in automobiles and small aircraft. It has a high fuel consumption rate, which is disadvantageous compared to large engines, but it has the advantage of being small, lightweight, and easy to make faster. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ガソリンを燃料とする内燃機関の1形式で火花点火機関の1種である。ガソリンと空気との混合気をシリンダ内に吸込み,圧縮し,これに点火プラグで点火して燃焼させ,そのガスの膨張力を回転運動に変える。4サイクル機関,2サイクル機関,ロータリー機関などの種類がある。歴史的には G.ダイムラーが 1883年に表面気化器をもった熱管点火式の立て型機関を製作し,続いて K.ベンツが電気点火法によるガソリン機関を製作したのをはじめとして,その後急速な発達をとげ,現在では広く自動車,小型航空機用として用いられている。燃料消費率が大きく大型機関には不利であるが,小型・軽量・高速化しやすい利点がある。
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