Because the OEM air-intake and diesel
injection systems are utilized by the Bi-Fuel (Dual-Fuel) System, no engine modifications
are required for installation.
The various components of the Bi-Fuel System are installed externally of the engine, and
at no time is the engine disassembled during installation. All OEM engine specifications
for injection timing, valve timing, compression ratio, etc., remain unchanged after
installation of the Bi-Fuel System. The Bi-Fuel System requires a low pressure
natural gas supply (approximately 2 - 5 psi) with a flow rate of approximately 8 scfh/kW
(i.e. 500 kW=5,000 scfh).
The Ring Power
GTI® Bi-Fuel System incorporates a sophisticated, electronic control system,
which controls both natural gas and diesel fuel during operation. In addition, the GTI
Electronic Control System (ECS) acts as an engine safety device, by monitoring up to 24
critical data channels.
Gas supply is regulated by a sophisticated "Gas Train". Conditioning and
regulating the gas prior to admission into the engine is a critical part of the Bi-Fuel
System. The Gas-Train includes a 20-micron fuel filter, an electrically operated solenoid
valve and a zero-pressure, demand type gas regulator.
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