This document discusses various technologies for converting internal combustion engines to operate using alternative fuels. It focuses on dual fuel conversion systems that allow engines to run on both diesel and natural gas. The document provides overviews and specifications for dual fuel mixer components, control modules, sensors and other accessories required for a dual fuel conversion. It also presents case studies on dual fuel conversions conducted in Indonesia and discusses the cost savings and return on investment that can be achieved by converting to lower-cost alternative fuels like natural gas.

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New Technologies For Internal
Combustion Engines
Engines Management Systems
Alternative Fuel Systems
Engine Conversions
Gasoline – Diesel – Natural Gas –CNG
Biomass

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Dual Fuel Conversion system

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Overview V-Engine TM_4T-V10

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Overview V-Engine 4M_4T-V10

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DF Mixer
The DF Mixer series are specially designed for Dual Fuel applications.
Hence, the gas metering tube allows being adapted to any application.
The mixer is equipped with an ATB throttle body mounting flange.
DF- 5-S3- Mixer With HAV 523DF 5” and 8” Mixer

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Y-Flap Gas Flow Control for Dual Fuel V-
Engines

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15. • -Developed to detect the knocking of gas and Dual-Fuel Engines. Controller
standard analog and binary outputs are intended to control gas engine ignition
system or gas portion control in Dual-fuel engines.
• -Applicable on 2-and 4 stoke engines up to 20 Cylinders. Any set of cylinders up to
20pcs can be evaluated. Each evaluated cylinder or adjacent cylinders is equipped
by dedicated sensor. Pg. 15
DENOX ( KNKOCK MONITORING SYSTEM)

16. The DFM-100 family of Dual-Actuator-Driver
modules is typically used for twin-diesel-fuel-
pumps and dual-fuel applications, mainly diesel-
gas. The DFM-100 units have various unique
dynamic functions, as well as safety features and
can be combined with different ESD-family
speed-control-units.
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Dual fuel Module 100
&
GAC’s Speed control Units
GAC’s Speed Control Units are precise speed
controls designed and manufactured in various
configuration to meet application requirements
using the latest analog and digital control
technologies. Reverse battery polarity and fail-
safe protection in the event of loss of speed
sensor signal or battery voltage is incorporated
in every GAC Speed Control Unit. A wide variety
of application needs can be satisfied with GAC’s
constant or variable speed governing, in
isochronous or droop operation.

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Accessories of Dual fuel system
Magnetic Speed Sensor Anti Knocking Sensor
TMC 2000 DF-Y3 Controller

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DENOX Antiknocking Module & Sensor L85
Natural Gas Actuator & Throttle Body ATB series
Diesel Actuator

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HT Dual Fuel Conversion in Indonesia
Project Reference

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Gas Street

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Diesel Actuator replacement

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Wiring of connections to panel

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Anti-knocking sensors

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Throttle and Y flap mounting

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Do not place host that collapse

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Mounting Mixer

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Engine operational on dual fuel – Diesel & Gas
Providing the opportunity to exploit gas ratio of 70%
No de-rating of power
No major alteration to engine
Ability to switch back to 100% diesel engine
Reduces maintenance and servicing cost

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SAVINGS
Making entry into a typical spreadsheet.
Determine appox. Cost saving with the current prices of the fuel.
Ensuring the return of investment period of system through
payback.

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 The conversion is a perfect investment for power users who are looking to upgrade their
current system to alternative fuel technology, without revamping the entire system
 As a retrofit technology, the system provides an economically attractive alternative instead of
buying costly new generators.
 With the ability to operate both fuels, the engine will never be down due to a lack of
adequate gas fuel supply. Another distinct advantage of dual fuel is the decreased engine
wear that comes with use of cleaner fuel.
 Due to reduction in carbon soot build up & cleaner lube oil, longer intervals between service
maintenance can be expected, in some cases doubled.
 This means a longer economical life for the engine and better overall return in your
investment.

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1. Data review
2. Inspection Review and Testing with 100% load
3. Recommendation on system adjustments
4. Works Undertaking Agreement
5. Pre-installation
6. Performance in Diesel /Gas mode 100% load
7. Final Checks and Testing
8. Full commissioning of system in operational mode

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