<1> 2007/12/18 © MAN Diesel SE MAN Diesel PrimeServ Academy CPH Introduction to the ME engine ME Engine control system - Introduction to ME engine (Jan 2008)
2006/05/18 < 1>2007/12/18© MAN Diesel SE
MAN Diesel PrimeServ Academy CPHIntroduction to the ME engine
ME Engine control system - Introduction to ME engine (Jan 2008)
2007/12/18 < 2>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
Designations
6 S 70 M E-B/C/GI7
ConceptC Camshaft controlled
E Electronically controlled
S Super long stroke
K Short strokeL Long stroke
Design C Compact engine
GI Gas Injection and compact
B Electronically controlledsmall bore engine
Engine programme
Diameter of piston in cm
Stroke/bore ratio
Number of cylinders
Mark version
2007/12/18 < 3>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
ME Engine
2007/12/18 < 4>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
Development of the MEDevelopment of the ME--engineengine
1991 Start of Intelligent Engine Project
1993 4T50MX equipped with Electronic Engine Control equipment
1997 4T50MX with 2nd generation control equipment
2003 First production engine
1998/2000 Design - Production - Test - Installation of Engine Control System on M/T ”Bow Cecil”
1997/98 Design - Production - Installation of mechanical/hydraulic components for service test on M/T "Bow Cecil"
2000 Start of service test on M/T ”Bow Cecil”
1997/98 Design and implementation of governor functionality, and service test onboard ”Shanghai Express”
2007/12/18 < 5>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
MC-C ComponentsOmitted / re-designed
•• Chain drive Chain drive •• Chain wheel frameChain wheel frame•• Chain box on frame boxChain box on frame box•• Camshaft with camsCamshaft with cams•• Roller guides for fuel pumpRoller guides for fuel pump
and exhaust valveand exhaust valve•• Fuel pumpsFuel pumps•• Exhaust valveExhaust valve•• Exhaust actuatorExhaust actuator•• Starting air distributorStarting air distributor•• GovernorGovernor•• Regulating shaftRegulating shaft•• Mechanical LubricatorMechanical Lubricator•• Local control standLocal control stand
2007/12/18 < 6>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
New Components / re-designed
•• Hydraulic Power SHydraulic Power Supplyupply ((HPSHPS))
•• Hydraulic Cylinder Unit Hydraulic Cylinder Unit ((HCUHCU))
•• Engine Control System Engine Control System ((ECSECS))
•• Crankshaft Crankshaft ppositionosition sensingsensing systemsystem
•• Local Local OOperationperation PPanelanel ((LOPLOP))
Starting air valvesStarting air valvesSStart and tart and RReversingeversing sequencessequencesGGovernorovernor functionfunctionAAuxiliaryuxiliary blowersblowersElectronicElectronicallyally ProfileProfiledd Injection (EPIC)Injection (EPIC)EExhaustxhaust valve actuationvalve actuationCylinder lubrication (ACC)Cylinder lubrication (ACC)
•• Exhaust valveExhaust valve
2007/12/18 < 7>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
The ME Engine Hydraulic Oil Loop
EL. driven hydraulic pumps
Engine drivenhydraulic pumps
Fuel 7 - 8 bar Hydrauliccylinder unit
ME lubricator
Servo oilreturn to sump
Fine aut. Filter 6μ
Piston cooling + bearings
From Main lub oil pump, cooler and 50 μ filter
Valve block
Servo oil
Fuel oil pressurebooster Exhaust valve actuator
FIVA
Cyl. 1 Cyl. 2 Cyl. 3 Cyl. 4 Cyl. 5 Cyl. 6CCUCCU CCU CCU CCU CCU Approx200 bar
2007/12/18 < 8>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
RedundancyFilter 25μ
Electrically Driven Start-up Pumps
Engine Driven Axial Piston Pumps
Self Cleaning Filter 6μ
Safety and Accumulators Block
Chain Wheel and Step-up Gear
Casing with Drain
and Alarm Functions
Hydraulic Power Supply - HPS
7S60ME-C
2007/12/18 < 9>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
HHydraulic ydraulic CCylinder ylinder UUnit nit -- HCUHCU
FIVA Proportional Valve FIVA Proportional Valve (controlling fuel injection and (controlling fuel injection and exhexh. Valve operation. Valve operation
Distribution BlockDistribution Block
Exhaust Valve Actuator Exhaust Valve Actuator
Fuel Oil Pressure BoosterFuel Oil Pressure Booster
Cylinder Lubricator Cylinder Lubricator
2007/12/18 < 10>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
ME ME Fuel Fuel OilOil PressurePressure BoosterBoosterMC versus ME
S50MCS50MC--CC S50MES50ME--CC
Fuel Fuel PPlungerlunger
Hydraulic Hydraulic actuatoractuator
Fuel oFuel oilil inlet inlet pressurepressure 7 7 -- 8 bar8 bar
Feed back Feed back Position sensorPosition sensor
Suction ValveSuction Valve
2007/12/18 < 11>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
FIVA on-off valveFIVA on-off valve
Exhaust valve spindleExhaust valve spindle
High pressurehydraulic oil –inlet
High pressurehydraulic oil –inlet
MembraneaccumulatorMembraneaccumulator
Hydraulicpush rodHydraulicpush rod
Exhaust valve ActuatorExhaust valve Actuator
Exhaust valve systemMC versus ME
2007/12/18 < 12>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
BridgeBridge
Engine Control RoomEngine Control Room
Engine Room/On EngineEngine Room/On Engine
MainOperating
PanelPC
Control RoomPanel
BACK-UP FOR MOP
BridgePanel
ACU CCU
ECU A
EICU A
Auxiliariy Control Units 1, 2 and 3
Engine Interface Control Units A and B
ECU B
Cylinder Control Units 1 per cylinder
EICU B
Engine Control Units A and B
LocalOperation
Panel
Control Network
ME ME Engine Control SystemEngine Control System
MultiMulti--Purpose Purpose ControllerController
2007/12/18 < 13>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)
ME Tacho-system