Dual fuel engines are diesel engine that have gone through an application engineering process to develop a set of dual fuel hardware plus a dataset specifically for each engine type. When this equipment is fitted to an engine and the system commissioned, the engine will be capable of dual fuel operation.
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Diesel
module – reduces and controls the diesel
flow to the engine during dual fuel operation
and a rack stop switch that allow correct initialisation
of the system at start up and system checking
during shut down.
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Gas module – takes the high pressure gas
from the storage cylinders and delivers it at
a constant pressure to the gas valve and then
injects the gas into the inlet manifold of the
engine. The storage cylinder pressure is monitored
and a solenoid valve is fitted for safety.
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Throttle
module – maintains the inlet manifold air
pressure at a specified levels.
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Sensor module
– indicates the drivers demand, engine speed,
coolant temperature and inlet manifold air temperature
and pressure.
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Driver interface module – to communicate
with the driver including a switch to show either
gas storage pressure or gas use percentage on
dual fuel, a switch to change from diesel to gas
operation, LED lights to indicate faults and gas
use and RS232 computer communication port.
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Controller module – includes the Controller
module and wiring loom.
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Storage module – includes fill valve and
storage cylinders and pipe work is installed on
the vehicle but not normally the responsibility
of DieselGas.
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