上海交通大学：《工程学导论》课程教学资源（讲义）Technical knowledge_Engine

2.Engine classification 2.1.By fuel systems ●●● Gasoline engine Diesel engine

Gasoline engine Diesel engine 2.Engine classification 2.1. By fuel systems

2.Engine classification 2.2 By stroke Two-stroke engine Four-stroke engine

2.Engine classification 2.2 By stroke Two-stroke engine Four-stroke engine

•Four-stroke engine Introduced by Nikolaus Otto in 1876 (Otto cycle) The most common engine type It powers almost all cars and trucks

•Four-stroke engine • Introduced by Nikolaus Otto in 1876 ( Otto cycle) • The most common engine type • It powers almost all cars and trucks