Diesel engine.
Diesel cycle

Endothermic engine
Gearbox

Internal, external and electric combustion engines

In this web we try to explain the operation of the different types of engines, especially the thermal engines (gasoline engines and diesel engines). They are also known as alternative internal combustion engines.

During the combustion process gases are produced which push a piston, moving it inside a cylinder and rotating a crankshaft, to obtain a rotation movement.

Our objective is to make known what types of engines exist, the basic concepts of how they work and the historical evolution they have undergone. In the case of thermal motors our objective will be to explain technically the operation of both methods (diesel and otto) by performing and studying their theoretical and real cycles.

Diesel internal combustion engine

Piston section, and injector of a diesel engine. The diesel engine is a thermal internal combustion engine. Its main feature is in the ignition of fuel. This is achieved by the elevated temperature produced by the compression of the air inside the cylinder.

Rudolf Diesel invented it and created it in 1895, from which it derives its name. It was initially designed and presented at the 1900 international fair in Paris as the first engine for "biofuel", as pure palm or coconut oil.

Diesel also claimed in its patent the use of coal dust as fuel, although it is not used because of the abrasive it is.

Internal combustion engine otto (combustion engine)

An explosion engine is a type of internal combustion engine that uses the explosion of a fuel to expand the gas pushing a piston. This explosion is caused by a spark.

Explosion engines can be two- and four-stroke. The thermodynamic cycle used is known as the Otto Cycle.

This engine, also called a gasoline engine or Otto engine, is next to the diesel engine, the most used today in automotive.

Other engines

This would be the case with steam engines and electric motors.

Electric motors are those engines that are capable of transforming electrical energy into mechanical energy of rotation. There are those that use continuous electric current and others that operate by alternating electric current.

Steam engines are capes of transforming thermal energy into mechanical energy. They use steam. The electric energy heats water to convert it into steam at high pressure. This pressure will be in charge of triggering the mechanisms to generate a mechanical movement.

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