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Have you ever wished to know precisely how the widespread rail expertise in your diesel works or what exactly charging-airpressure means? Then you’ve got come to the best place.

Find out about all of the vital phrases regarding chip tuning, engine applied sciences and engine electronics – all in alphabetical order. Our chip tuning dictionary is consistently up to date and expanded, so test back continuously – it is worth a glance.

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– Common rail know-how

Widespread Rail technology is used today in most turbo-charged diesel direct injection engines. The central function of this technology is that a excessive strain pump is used to generate pressure that’s used to inject diesel straight into the combustion chamber with the injectors. This stress is generated centrally for all injectors and is then sent accordingly to each. This creates an excellent gas-air mix for injection.

– Direct injection engine (charged)

The discovery of the combustion engine ushered within the age of the vehicle. Since then, engines have developed enormously but nonetheless comply with the essential operate of the unique combustion engine. A mix of fuel and air is ignited in a combustion chamber and the vitality released by the managed explosion generates kinetic energy. At the moment, there are two fundamental variations of combustion know-how: non-turbo-charged engines (referred to as aspirated engines, that are still used in several gasoline engines) and turbo-charged piston engines (compressors and turbo-charged engines; modern diesel motors are based on this expertise and, more and more, gasoline engines to additional enhance fuel efficiency). For non-turbo-charged engines (aspirated engines), the pistons create low stress in the intake system, into which the air then flows. With rising RPMs, this low pressure is insufficient to feed the utmost doable amount of air or gas-air mixture into the combustion chamber and limits the facility that the engine can achieve. To counteract this, you possibly can add extra valves on the cylinder. If extra combustion air is required in the cylinders, then these valves are full of high strain. The cylinders are charged with a turbocharger or compressor. Direct injection means that the gas is injected immediately into the combustion chamber via a gas injector, where it is then blended with the air.

– Injection quantity

The quantity of gas injected into the combustion chamber, i.e., into the cylinder. The optimal quantity will depend on varied components resembling the current engine RPM.

– Injection system

A system accountable for injecting gasoline into the engine’s combustion chamber (cylinder).

– Increase strain

Typically one in all two technologies are utilized in “turbo-charged” engines: a turbocharger or a compressor. Each fulfil the same want, specifically condensing or compressing the air equipped to the engine. By pre-condensing the air and as a result of ensuing pressure enhance, the quantity of air supplied to the combustion chamber/cylinder increases. This gives a greater fuel-air combine within the cylinder, which significantly will increase the quantity of power launched by means of combustion and influences the engine’s energy accordingly.

– Increase stress sensor

Measures the present increase strain and bmw stage 3 transmits this knowledge to the ECU. The ECU then calculates the required enhance pressure as effectively because the engine’s cost state.

– Injection strain

The injection stress is the amount of stress with which the gas is injected into the system. This strain varies tremendously between gasoline and diesel engines and can be dependent upon the injection system sort utilized in these kind of engines. For instance, a fashionable Frequent Rail diesel engine injects with pressures as much as 2,300 bar. In distinction, a direct injection petrol engine uses only around 200 bar. The strain at which the gasoline is injected has a direct affect on the ability as well as on the engine’s fuel consumption and effectivity. The higher the injection strain, the finer the nebulisation and the extra efficient the combustion inside the cylinder.

– Air mass sensor

Measures the amount of air equipped to the engine. Relying upon the engine, the temperature and pressure are additionally measured. This makes the air mass sensor certainly one of crucial sensors within the engine compartment. The information gathered right here serve to regulate numerous processes by way of the ECU.

– Pump-nozzle injection know-how

For diesel engines based mostly on pump-nozzle injection expertise (this technology was used up to round 2009 and was typically used by the Volkswagen Group, for instance), the injection stress is generated at every cylinder. In the Widespread Rail technology primarily used at this time, a excessive pressure pump is used for injection, which supplies the strain to all the injectors. For one, this expertise allows for a greater fuel-air mix and is also much cheaper for the automotive manufacturers. The pump-nozzle injection know-how is also a type of turbo-charged direct injection.

– Intake manifold stress

Measures the current stress in the intake manifold (behind the throttle valve) and transmits data to the ECU.

– Diesel particulate filter (DPF)

The diesel particulate filter (DPF) is a machine that reduces the variety of particulates emitted from diesel engines. RaceChip chip tuning is designed to be used with all types of diesel particulate filters.