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LPG in its liquid phase comes out of the tank by means of the
multivalve (which through the external filler socket is also used
for refueling). It is fed to the engine through a pipe and
solenoid valve. The valve will only allow gas to pass through when
the engine is running and switched on in the gas position.
In the next phase a regulator reduces the pressure, transforming
liquid LPG into gas. From the regulator LPG travels to the
air/fuel mixer. It controls the flow of gas according to the
requirement of the engine (represented by the vacuum generated in
the mixing devices). The air/fuel mixture is constantly kept in a
stoichiometric ratio by a LCS-VO5 computer. It is activated by the
signal of the lambda sensor.
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A linear electromechanical actuator, also controlled by the
LCS-VO5 computer, continuously changes the flow of gas to the
engine so as to ensure optimum carburation in terms of driving,
consumption and emissions. The LCS-VO5 computer, besides its other
functions, facilitates petrol starting and then automatically
switches over to gas. A LCS-VO5 switch/gauge, allows the user to
select the desired fuel at any time and displays the level of LPG
in the tanks. During gas operation, the electronic emulator cuts
off the flow of petrol to the engine, whereas during petrol
operation the flow of LPG to the engine is cut off by the LPG
solenoid valves.
Carburetion |
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