How Do Liquid LPG Systems Work?

The system pumps LPG at high pressure from the LPG tank to the engine inlet manifold via a set of liquid LPG injectors.  The injectors spray the liquid LPG into the intake manifold.  The LPG immediately vapourises after being injected.  This vapourisation process rapidly cools the surrounding air. This cooling effect increases the density of the air-fuel mixture, ensuring power and torque are maintained and fewer CO2 emissions.  The effect is similar to intercooling on turbocharged cars.

An Electronic Control Unit (ECU) controls the various components of the liquid injection system, including the injectors.  LPG injection signal optimises the flow and LPG injection timing.   The ECU is calibrated to the specific vehicle and engine.

Components of a Liquid Phase Injection System produced by Vialle

As driver you will experience:

There is no noticeable difference between driving with gasoline or with autogas.
There is minmal power loss which means the maximum velocity of your car is barely effected. There is  no extra maintenance required and  you can remain with your original schedule for servicing. With less particulates than fuel engine wear is noticeably reduced and there is no risk of back- fire damage, a point that cannot be completely excluded when using vapour injection systems. The system is not sensitive to fuel composition and ambient conditions such as temperature, humidity or altitude.

For more information contact us on 0434447427


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