Completar frases AUTOMOTIVE SYSTEMSVersión en línea We will see how it works engine and basic elements. por Harold Sebastian Barreto Gutierrez 1 Engine speed flywheel combustion emergency diffuser temperature automatic springs brake mechanical gearbox pedal mechanisms power mounted reduce power friction The engine provides energy to move the car . Most cars use piston engines , although in the early 1970s were very common rotary or rotary engines . The piston combustion engines can be gasoline or diesel . Carburization In the carburetor air is mixed with fuel spray . The fuel pump drives the fuel from the tank to the carburetor where it is sprayed by a . The accelerator pedal controls the amount of mixture passing cylinders , while the various devices of the carburetor automatically regulate the richness of the mixture , that is , the ratio of fuel relative to air . Lubrication and cooling The motors need lubrication to and wear between moving parts . Oil , located in the crankcase or lower engine cover , directly or splashes parts is driven by a pump to different points . In addition , the motors also require refrigeration . At the time of the explosion , the cylinder is much higher than the melting point of iron . If not chilled , they are heated while the Pistons would be blocked . Transmission The cylinders are transmitted first to the engine and subsequently linking the clutch motor with transmission elements , where power is transferred to the or speed . Clutch All cars have some kind of clutch . In European cars usually driven by a , while in the US is usually or semiautomatic . Gearbox Engines develop maximum power at a given . If the crankshaft was linked directly to the wheels , cause I could only circulated efficiently at a certain speed , it is a system that modifies the speed and relations between the engine and the drive wheels . Suspension , steering and brakes The automobile suspension is formed by the , ball joints forks , springs and dampers , stabilizers , wheels and tires . Steering is controlled by a steering column in an inclined and attached to the front wheels by different . A car usually has two types of brakes : the , or brake and foot or pedal . The emergency brake usually acts only on the rear wheels or the transmission shaft .