Digital twin spark ignition

1. PRESENTED BY-
Yashwardhan Sahi
ME 3rd
Year
140970104064

2. Digital Twin Spark
Ignition.
Used to ignite air
fuel mixture.
2 spark plugs.
It only use in the
petrol engine.
What Is DTS-i SystemWhat Is DTS-i System

3. Conventional
Engine
 Single spark plug
 Ignition time is large
 Fuel do not burn
completely
DTS-I System
 Two spark plugs
 Ignition time is very
less
 Fuel burn completely
and efficiently

5. TWIN SPARK PLUGSTWIN SPARK PLUGS
 Two spark plugs
 Control by ECU
 Ignition rate is
doubled
 Better and
efficient
combustion
 Gas expands
faster
 Generates high
power

6.  Capacitor Discharge
Ignition
 Handles spark injection
 8 bit micro processor
 CID have a memory
storage containing
separate ignition maps
for different throttle
speed.

7.  Throttle responsive ignition control system – 3rd
generation
 Magnetically operated reed switch,
incorporated on carburetor throttle shaft.

8.  Increase efficiency
 Faster and better combustion
 Fully burn air fuel mixture
 Increase the power output of engine.

9.  Ignition time decreases.
 Air and fuel mixture completely burns
in combustion chamber.
 Power produced by DTS-i more
compare to single spark ignition
system.
 Increase the pick up of engine
 Less vibrations and noise.
 Long life of the engine parts such as
piston rings and valve stem.
 Decrease in the specific fuel
consumption.
 Gradual increase in the pressure.

10.  There is high NOx emission.
 If one spark plug get damaged then we have to replace
both.
 The cost is relatively more.
 The engine tends to overheat and loose power at higher
speeds.
 Requires more investment for replacing the plugs.
 The engine wear and tear is somehow increased and
hence these engines need frequent checkup.

11. In India, Bajaj has
patented for dtsi
technology.
Platina125,135
XCD 125,135
Discover 150
Pulsar
135,150,180,200,220

12. Quantity
150 cc Engine 180 cc Engine
Old DTSi Old DTSi
Power (bhp) 12 15 15 17.02
Torque (Nm) 10.8 12.5 13.20 14.72
Max Speed 100 120 107 127
Comparison between DTS-I &
Conventional Engine

13.  Digital Twin Spark
– Swirl Induction
(DTS-Si)
 Digital Twin Spark
– Fuel Injection
(DTS - Fi)
 Digital Triple
Spark ignition

15. So, finallySo, finally II conclude…..conclude…..
 Perfect Combustion in Internal
Combustion engine is not possible.
 DTSI system helps to increase engine
efficiency by burning fuel
instantaneously.