Author: Jonathon T Campbell
Source: ezinearticles.com
To start out with, gas engines were mainly utilized carburetors to help prepare the gas and air mixture. This method had an inaccuracy that has prompted the creating of a direct fuel injection. Direct fuel injection results in a more efficient burn and reduced emissions. In this article I will go into a bit of detail to help you understand how direct fuel injection works, along with it advantages and disadvantages. It is said that a large number of vehicles will be created with this type of engine installed in the future. It is a very worthwhile thing to learn and become knowledgeable with due to this fact.
How Direct Fuel Injection Works:
In a lot of the gasoline fueled vehicles, the engines operate on a 4-stroke cycle. A 4-stroke cycle engine’s first step is to open its valves and cylinders are then filled with an air and gasoline mixture. After this step, the valves will close and the pistons will move up and down, which compresses the mixture. Once this has happened, the ignition is triggered, which sends the pistons down towards what is called the power stroke. The last step involves the exhaust valve to open and the piston to travel upward, which forces out the waste exhaust.
Within a carbureted vehicle, the blend of fuel is mixed prior to entering the cylinder during the first stroke. However, with direct injection, the gas is sprayed within the cylinder as the air enters through the intake manifold.
Advantages
There are many advantages to a direct injected engine.
#1 Advantage: Involves an improvement in fuel economy and a greater power output. – Each gas burst is measured precisely and timed by a computer onboard. This helps to translate more efficiency and a lot less pollution.
#2 Advantage: Ultra fine droplets are dispersed evenly creating by the system which has a cooling effect upon the engine which causes a power increase across the whole RPM band. – When it is running, the computer varies continually the differences in the air-to-gas ratio to make sure it is giving the best performance.
There are three modes:
For more information on direct fuel injection, please log onto http://www.rj-performance.com/. Much more information is available for you here along with excellent customer service to assist you in any way you may require.
RJ Performance was founded in 1998 and has grown into one of North America’s premier medium and light duty diesel engine and component suppliers. We import manufactured products from more than 10 countries. Our goal is to provide you with exceptional Parts for exceptional prices.