a common architecture for future spark ignited engines
TRANSCRIPT
One Engine –
Any Fuel :
A Common
Architecture for
Future Spark
Ignited Engines
Simon Brewster
Chief Engineer
October 2010
Pg 2
Sustainable Mobility?
Pg 3
Alternate Fuels
The Solutions
W2W CO2
Cost /
Lifetime
Fuel Cells
Electrification
Efficiency Options
TODAY
Pg 4
Our Challenge
power
efficiency
1.4 1.6 1.8
1.0
turbo
LPG
CNG
ethanol
Pg 5
Our Opportunity
power
efficiencyAnalysis &
Design
Development &
Calibration
Manufacturing,
Handling &
Assembly
Marketing
Distribution &
Service
COMMONCombustion SystemEngine Architecture
EMS
fuel type
Pg 6
One Technology
PERFORMANCE� Wide range of specific output
� Very high specific output
� Increased knock tolerance
� Increased compression ratio
� Maximum charge cooling
� Boosting synergies
���� DIRECT INJECTION
FUEL FLEXIBILITY
� Cold start with low volatility fuels
� Maximum benefit for every fuel type
� No power loss with gaseous fuels
� Operation with hydrogen rich gases
� SI combustion of heavy fuels
� Differential stratification of fuel types
���� DIRECT INJECTION
EMISSIONS
� Cold start with low volatility fuels
� Lean stratified starting
� Lean after start operation
� Extreme fast catalyst light off
� No intake port fuel film
� Reduced catalyst loading
���� DIRECT INJECTION
EFFICIENCY� Increased compression ratio
� Aggressive engine downsizing
� Highly dilute & lean operation
� Homogeneous & stratified combustion
� Unthrottled operation
� HCCI / CAI controllability
���� DIRECT INJECTION
Pg 7
One Technology
LIQUIDFUEL
GASEOUS
FUEL
or AIR
DIRECT
INJECTEDFUEL
Pg 8
One Engine Roadmap
+
+
+
+
Pg 9
The Way Ahead
THE INTERNAL COMBUSTION ENGINE HAS A LONG LIFETIME.
GLOBAL REQUIREMENTS ARE DIVERSE. FUTURE FLEXIBILITY
MUST BE BUILT INTO FEW ENGINE PLATFORMS.
NEW ENGINE PLATFORMS REQUIRE INNOVATION NOW TO
ENSURE SUSTAINABLE COMPETITIVE ADVANTAGE.
� � �
