marine main engine

MAN B&W Diesel A/SMAN B&W Diesel A/S

The Electronically ControlledME Engine

The Electronically ControlledME Engine

2002.05.24 - (2440/PCS)

Software auditSoftware audit

Approval test ofElectronic Control System

Approval test ofElectronic Control System

Quay trialQuay trial Sea trialSea trial

Development HistoryDevelopment History

2002.05.24 (2440/PCS)

InspectionInspection

8020 hours8020 hours

ME Engine ProgrammeME Engine Programme

2002.05.24 (2440/PCS)

MC versus ME EngineMC versus ME Engineplus the ME Engine Control Systemplus the ME Engine Control System

2002.05.24 (2440/PCS)

MC EngineMC Engine ME EngineME Engine

The differenceThe difference

2002.05.24 (2440/PCS)

Removed Removed from from the the MCMC

2002.05.24 (2440/PCS)

Chain drive for camshaftChain drive for camshaftCamshaft with fuel cams and exhaust camsCamshaft with fuel cams and exhaust camsFuel pump actuating gearFuel pump actuating gearConventional fuel injection pumpsConventional fuel injection pumpsExhaust valve actuating gear and roller guidesExhaust valve actuating gear and roller guidesEngine driven starting air distributorEngine driven starting air distributorElectronic governor with actuatorElectronic governor with actuatorRegulating shaftRegulating shaftEngine-side control consoleEngine-side control consoleMechanical cylinder lubricatorsMechanical cylinder lubricators

2002.05.24 (2440/PCS)

Hydraulic power supply unitHydraulic power supply unitHydraulic cylinder unitHydraulic cylinder unit

Electronically controlled starting air valvesElectronically controlled starting air valvesIntegrated electronic control of auxiliary blowersIntegrated electronic control of auxiliary blowersIntegrated electronic governor functionsIntegrated electronic governor functions

Crankshaft position sensing and tacho systemCrankshaft position sensing and tacho system

Electronically controlled Alpha LubricatorsElectronically controlled Alpha LubricatorsLocal Operating PanelLocal Operating Panel

Added Added to to make it make it an MEan ME

Engine Control SystemEngine Control System

ME-C Engines

Reduction of weight for ME-C compared to MC-C

6S70MC-C: 555 ton

Calculated reduction 25 ton

6S70ME-C: 530 ton

Approximately 5% reduction

Mechanical Mechanical –– Hydraulic System Hydraulic System

Hydraulic Power SupplyHydraulic Power Supply

Hydraulic Cylinder UnitHydraulic Cylinder Unit




FilterFilter

Electrically driven pumpsElectrically driven pumps

Safety and accumulator blockSafety and accumulator block

Engine driven pumpsEngine driven pumps

(2440/PCS)

Mechanical Mechanical –– Hydraulic Hydraulic SystemSystemHydraulic Hydraulic Power Power SupplySupply

Hydraulic Power SupplyHydraulic Power Supply (HPS) (HPS)

MCMC MEME2002.05.24 (2440/PCS)

4T50ME-X; Pumps at fore end4T50ME-X; Pumps at fore end

Pumps and pump gear drivePumps and pump gear drive

7S50ME-C7S50ME-C

ME-C EnginesHydraulic Oil Loop

L/73273-7.0/0902 (2600/RØL)

200 bar

Fuel oil pump

Cyl. 1 Cyl. 2 Cyl. 3

ELVA

Cyl. 5 Cyl. 6

Exhaust valve actuator

Hydrauliccylinder unit

Cyl. 4

Alpha lubricator

ELFI

Return to sump

Main lubepump

Fine aut. filter

Engine drivenhydraulic pumps

Safety and accumulator blok

Fine aut. filter

EL. driven hydraulic pumps

Fuel 10 bar

From sump

Piston cooling + bearings

CCU

7S50ME-C Engine Outline

L/73146-8.0/0802 (2220/TOV)

S50ME-C Overview

Port side

Starboard side

Location of gearbox for the3 hydraulic pumps.

(2200/OZS)

S50ME-C Main inner parts

• Output wheel………………..• Intermediate wheel…………• Connected wheels………….• Gearwheel on crankshaft….

– Double row of teeth

• Removable distance piece………………

• Total ratio: 12:1

(2200/OZS)

(2600/KNB)

Two-Stroke Medium BoreME – Engine, Design Concept

(2600/KNB)

Filter station

Step-up Gear

Hydraulic pumps

2. Order MomentCompensator shaft

Tightening of Guidewayarrangement


Chain wheel

Studs for hydraulic tightening

Balancer weigths

(2600/KNB)

Guideway Arrangement


100 90 80 70 60 50 40 30 20 10

Engine driven pump Example: 7S50ME-C with 3 engine driven pumps

110

1 cylindercut

2 cylinderscut

With cylinder cut-outs:%

56%

100 100

22

57

110

54%

56% 54%

Number ofpumps in use.

Hydraulicpump index.

Available Engine Power onAvailable Engine Power onthe Propeller Curvethe Propeller Curve: 7S50ME-C: 7S50ME-C

56% 54%

X%

83%

83%

81%

81% 100% 100%100%

0

(2440/PCS)

100 90 80 70 60 50 40 30 20 10

Engine driven pump Example: 12K98ME-C with 4 engine driven pumps

110

1 cylindercut

2 cylinderscut

With cylinder cut-outs:

%

66%

100 100

1225

45

110

63%

66%

100%

63%

100%

Number ofpumps in use.

Hydraulicpump index.

Available Engine Power onAvailable Engine Power onthe Propeller Curvethe Propeller Curve: 12K98ME-C: 12K98ME-C

66% 63%

X%

99%

99%

100%

95%

95%

100%

100%

100%

100%

100%

100%

100%

(2440/PCS)




Fuel pumpFuel pump

ELFI valveELFI valve

Distributor blockDistributor block

Exhaust valve actuatorExhaust valve actuator

ELVA valveELVA valve

Mechanical Mechanical –– Hydraulic System Hydraulic SystemHydraulic Cylinder UnitHydraulic Cylinder Unit

Fuel pumpFuel pump

ELFI valveELFI valve

Distributor blockDistributor block

Exhaust valve actuatorExhaust valve actuator

ELVA valveELVA valve

Fuel injectionFuel injection Valve actuationValve actuation

Accumulator Distribution Block

Fuel Pump

ELFI Proportional Valve

ELVA On/Off Valve

Exhaust ValveActuator

Hydraulic Hydraulic Cylinder Unit (HCU)Cylinder Unit (HCU)

2002.05.05 (2440/PCS)


2600/KNB August 2002.

Fuel Pump – S60ME-C.

Topcover

Plunger

Position sensor (1 per pump)

Umbrella

Main Hydraulic Piston

Fuel Pump Housing


2600/KNB August 2002.

Exhaust ActuatorS60ME-C.

Top cover

Minimesh

Actuator house

Drain hole

Actuator Piston

Exhaust Valve

Actuator Piston

Main hydraulic

1. Step

2.Step

Sealing oilcontrol unit

Inductive sensor

S50ME-C MS.12 Exhaust valve

Self-adjustingDamper piston

Hydraulic nut/measuring cone

Sealing oilcontrol unit

Contactless sensor withintegrated electronics

Damper

Bushing with newsealing system

W-seat

Standard:SNCrWrolled seat

Option:Nimonic 80A

S50ME-C MS.12 Exhaust valve

S50ME-C cylinder frame

Camshaft housing closed bycasting – used as draincompartment.

Intermediate piece with aft-mostpair of staybolts.

Hydraulic Cylinder Unit

Hydraulic Cylinder Unit (complete)Hydraulic Cylinder Units mounted on common base plate.

Hydraulic Exhaust Actuator (ELVA)

• Hydraulic exhaust actuator ishandled as one unit.

• Easy mounting/dismounting onhydraulic cylinder unit.

• Sealings in accordance withSolas classification rules.

(2600/KNB)

”Common Beam” for mounting of HCU for 6S70ME-C.

The Beam is to mounted on topof extended brackets for ordinarygallery for 6S70MC-C.

Face for HCU.


(2600/KNB)


(2600/KNB)

Fuel Pump Topcover

Fuel pump Housing

ElFI Valve

”Common” Oil supplyfor HCU from HPS(Double Wall Pipe)

Drain oil Collector iscommon for the entirerow of HCU.

Drain pipe fromcollector to crankcaseor lub. oil tank

HCU for S70ME-Cmounted on ”CommonBeam” (seen fromFore).


(2600/KNB)

Hydraulic Cylinder Units for a 6S70ME-C.


(2440/PCS)

Mechanical Mechanical –– Hydraulic Hydraulic SystemSystemHydraulic Hydraulic Cylinder UnitCylinder Unit

(2440/PCS)

BridgeBridge

Engine Control RoomEngine Control Room

Engine Room/On EngineEngine Room/On Engine


(2440/PCS)

BridgeBridge


Engine Room/On EngineEngine Room/On EngineController

MainOperating

Panel

Control Network


Control Network

BridgeBridge



(2440/PCS)

Controller

MainOperating

Panel

Control Network


(2440/PCS)

BridgeBridge



Controller

Controller

Controller

MainOperating

Panel

Auxiliaries Cylinders

Engine

Interface

Control Network


(2440/PCS)

BridgeBridge



Controller

Controller

Controller

MainOperating

Panel

Auxiliaries Cylinders

Engine

Interface

EngineController

Controller

Interface

Control Network


(2440/PCS)

BridgeBridge



Controller

Controller

Controller

MainOperating

Panel

Auxiliaries

Engine

Interface

EngineController

Controller

Interface

Cylinders

Control Network


(2440/PCS)

BridgeBridge



Controller

Controller

Controller

MainOperating

Panel

Auxiliaries

Engine

Interface

EngineController

Controller

Interface

Cylinders

PCControl Room

Panel

BACK-UP FOR MOP

Control Network


(2440/PCS)

BridgeBridge



Controller

Controller

Controller

MainOperating

Panel

Auxiliaries

Engine

Interface

EngineController

Controller

Interface

Cylinders

PCControl Room

Panel

BACK-UP FOR MOP

BridgePanel

Control Network


(2440/PCS)

BridgeBridge



MainOperating

PanelPC

Control RoomPanel

BACK-UP FOR MOP

BridgePanel

ACU CCU

ECU A

EICU A

Engine Control Unit A and B

Engine Interface Control Unit A and B

ECU B

Cylinders Control Unit 1 per cylinder

EICU B

Auxiliaries Control Unit 1, 2 and 3

Control Network


(2440/PCS)

BridgeBridge



MainOperating

PanelPC

Control RoomPanel

BACK-UP FOR MOP

BridgePanel

ACU CCU

ECU A

EICU A

Auxiliaries Control Unit 1, 2 and 3

Engine Interface Control Unit A and B

ECU B

Cylinders Control Unit 1 per cylinder

EICU B

Engine Control Unit A and B

LocalOperation

Panel

Control Network


Engine ControlEngine Control System SystemBridgeBridge



MainOperating

PanelPC

Control RoomPanel

BACK-UP FOR MOP

BridgePanel

LocalOperation

Panel

Control Network

(2440/PCS)

MPCMPC MPCMPC

MPCMPC MPCMPC

MPCMPC MPCMPC

Multi-Multi-Purpose ControllerPurpose Controller

LOPLOP

(2440/PCS)

Configuration of Control Configuration of Control SystemSystem

Combustion pressure sensor


External sensor

Indicator valve (sketch)

Internal sensor withholder

Combustion pressure sensor

• Pretension parts

• Pressure sensor

• Holder for sensor(preliminary design)

Basic Electronic SystemBasic Electronic System (BES) (BES)

2002.05.24 (2440/PCS)

The aim has been to have a general platform andThe aim has been to have a general platform andframework of validated and well-proven hardware andframework of validated and well-proven hardware andsoftware components allowing for applicationsoftware components allowing for applicationoriented development.oriented development.

The system should cater for, the development of, aThe system should cater for, the development of, anumber of more or less well-defined applicationsnumber of more or less well-defined applicationsover the coming years.over the coming years.

Systems should be built using a minimum number ofSystems should be built using a minimum number ofidentical BES hardware components as buildingidentical BES hardware components as buildingblocks.blocks.

Basic Electronic SystemBasic Electronic SystemHardwareHardware

2002.05.24 (2440/PCS)

The The hardware hardware of the Basic Electronic of the Basic Electronic SystemSystemcurrently consists of three main componentscurrently consists of three main components::•• The The Multi-Multi-Purpose ControllerPurpose Controller

•• The Main The Main Operating PanelOperating Panel

•• The Control The Control Network.Network.

Four secondary Basic Electronic Four secondary Basic Electronic System hardwareSystem hardwarecomponents are also availablecomponents are also available::•• Control Control Network Network converterconverter//repeaterrepeater/isolator//isolator/hubhub

•• TachoTacho Signal Signal AmplifierAmplifier

•• Amplifier Amplifier for ELFI for ELFI valvevalve

•• Amplifier Amplifier for pump for pump controlcontrol..

(2440/PCS)

Multi-Purpose Controller Mk 2Multi-Purpose Controller Mk 2

(2440/PCS)

Multi-Purpose ControllersMulti-Purpose ControllersMk I and Mk IIMk I and Mk II

MkMk II IIMkMk I I

Multi-Purpose Controller

Complex ControllerInputOutput N

etw

ork

A BTac

ho

(0)4-2

0mA

+/-10

V

Potentio

meter

PT100

Contacts

(0)4-2

0mA

+/-10

V

XVX

Other ComputerEquipmentPower

A BService ChannelSerial Communication

Power


(2440/PCS)

Basic Electronic SystemMulti-Purpose Controller Software

(2440/PCS)

Net

wor

k

A B

XVX

Other ComputerEquipmentPower

A B

Power

ServiceTerminal

Sensor-Actuator API

ControlNetworkprotocole(Services)

ApplicationFunctionality

Serial Protocole

SystemClock

Alarmhandling

Parameterhandling

Variabelhandling


Variablehandling

protocol

Main Operating Panel

(2440/PCS)

Basic Electronic SystemMain Operating Panel Software

(2440/PCS)

Net

wor

k

A B

Main Operating Panel

ControlNetworkprotocole(services)

Alarm Handling- Alarm list- Event list- Cut-out lists

Detailed alarm info

GraphicApplication

Pictures

Parameterback-up

ApplicationSW

back-up

Load ofComplex

Controllers

Input / outputcheck and test

SWconfiguration

display protocol

Multi-PurposeController

Load of

Local Operating Panel (LOP)

(2440/PCS)

7S50ME-C Engine Control Box

L/73148-1.0/0802 (2220/TOV)

7S50ME-C Engine Control Box

L/73149-3.0/0802 (2220/TOV)

Cyl

inde

r pre

ssur

eC

ylin

der p

ress

ure

Fuel

pum

p pr

essu

reFu

el p

ump

pres

sure

Exha

ust v

alve

are

aEx

haus

t val

ve a

rea

Scav

engi

ng p

ort a

rea

Scav

engi

ng p

ort a

reaStart injectionStart injection

Length injectionLength injectionStopStop injection injection

Shape of injectionShape of injection

Start opening exhaust valveStart opening exhaust valveClosing exhaust valveClosing exhaust valveLength of open exhaust valveLength of open exhaust valve

Process Flexibility Process Flexibility –– Control Modes Control Modes

Test rigTest rig measurementsmeasurementsshowing fourshowing fourpossibilities of fuelpossibilities of fuelinjection pattern.injection pattern.

Each example showsEach example showsfuel injection pressurefuel injection pressureat the fuel valve andat the fuel valve andthethe corresponding fuelcorresponding fuelvalve spindle lift curvevalve spindle lift curve..

1: Typical Pump Injection1: Typical Pump Injection

2: Typical Common Rail2: Typical Common Rail3: Special 3: Special

4: Special4: Special

Injection Shaping1 3

42

2002.05.05 (2440/PCS)

Bar abs

Engine load %

MEMC

Fuel Injection Pressure Fuel Injection Pressure –– ME versus MC ME versus MC

2002.05.05 (2440/PCS)

Fuel Injection PressureFuel Injection Pressure

2002.05.05 (2440/PCS)

Flexibility of the ME Concept

L/74336-7.0/0502 (2430/NK)

ME-C

MC-C

13050 110907030-5-4-3-2-10123456

140130120

100908070605040

110

Engine load in %

ChangeNOx in %

g/kWh∆SFOC

NOx

OdfjellOdfjell - - M/T M/T ””Bow CecilBow Cecil””3737,,000 000 dwtdwt Chemical Carrier Chemical Carrier

2002.07.01 (2440/PCS)

Total -Total - 2002.07.01 - 80202002.07.01 - 8020 hourshourswith electronically controlled enginewith electronically controlled engine

Confirmation Test aboard Bow CecilConfirmation Test aboard Bow Cecil

Main Engine: 6L60MC “6L60ME”Main Engine: 6L60MC “6L60ME”

Confirmation TestConfirmation Test

StandardStandardfuelfuel pump pump

ME ME fuel fuel pumppump

M/T M/T Bow Bow Cecil: Cecil: Hydraulic Hydraulic Cylinder UnitCylinder Unit

2002.05.24 (2440/PCS)

Arrangement Arrangement of HCUof HCU’’s s forforthethe ELFI and ELVA System ELFI and ELVA System

Arrangement of HPSArrangement of HPS atatthe fore endthe fore end of the engineof the engine

6L60MC/ME - M/T 6L60MC/ME - M/T ””BowBow Cecil Cecil””

6L60MC/ME cam engine6L60MC/ME cam engine 6L60MC/ME cam-less engine6L60MC/ME cam-less engine

Engine Room ofEngine Room of M/T M/T ””BowBow Cecil Cecil””

Before rebuildingBefore rebuildingTurning wheel

Semicircular wheel – markingprecisely half the circumference

Tacho gearwheel – 360 teeth

Tacho sensors

Tacho Tacho System System onon M/T M/T ””BowBow Cecil Cecil””

AfterAfter rebuilding rebuilding

Tacho Tacho System System onon M/T M/T ””BowBow Cecil Cecil””

Engine Room of Engine Room of M/T M/T ””Bow Bow CecilCecil””

2002.05.24 (2440/PCS)

Fuel Pump

Exhaust Valve Actuator

Accumulators

ELVA On/Off ValveELFI Proportional Valve

Hydraulic Hydraulic Cylinder Unit (HCU)Cylinder Unit (HCU)

Inspection oInspection onboardnboardBow Cecil aBow Cecil after 4137fter 4137running hours asrunning hours asME engineME engine

2002.05.24 (2440/PCS)

Inspection onboardInspection onboardBow Cecil after 4137Bow Cecil after 4137running hours asrunning hours asME engineME engine

Exhaust Valve ActuatorExhaust Valve Actuator

2002.05.24 (2440/PCS)

Inspection onInspection onboardboardBow Cecil after 4137Bow Cecil after 4137running hours asrunning hours asME engineME engine

Exhaust Valve ActuatorExhaust Valve Actuator

2002.05.24 (2440/PCS)


Fuel Pump Plunger andFuel Pump Plunger andActuator PistonActuator Piston

2002.05.24 (2440/PCS)


Fuel Fuel Pump Pump –– Actuator Actuator PistonPiston

2002.05.05 (2440/PCS)


Pitting

Distribution Distribution BlockBlock


ELFI and ELVA ELFI and ELVA ValvesValves

Multi-Purpose Controller - ECUMulti-Purpose Controller - ECU

2002.05.24 (2440/PCS)

Inspection onbInspection onboardoardBow Cecil afteBow Cecil afterr 41374137running hours running hours asasME engineME engine

Main Operating Panel - HMI

Interview with the daily operators- finger touch to trackball -

Interview with the daily operators- finger touch to trackball -

MainMain Operating Panel in ECR - HMI Operating Panel in ECR - HMI

2002.05.24 (2440/PCS)


•• Tacho Tacho system, mechanical: system, mechanical: More rigid suspension of theMore rigid suspension of the sensors sensors aas well as relocation s well as relocation of of same same for better for better accesacces forfor adjustmentsadjustments of the sensorsof the sensors introducedintroduced..•• TachoTacho system, software: at second failure of a system, software: at second failure of a tachotacho set, shift set, shift of of tachotacho set was not always performed. Software bug in the set was not always performed. Software bug in the low level failure-handling algorithm found and corrected. low level failure-handling algorithm found and corrected.•• A A small small number of bad electrical connections resulting innumber of bad electrical connections resulting in various alarms has occurred. At all instances the various alarms has occurred. At all instances the redundanciesredundancies in the system has secured the engine availability. in the system has secured the engine availability. •• CCU changed by the crew while engine was still running CCU changed by the crew while engine was still running..

•• EL ELFIFI valve changed valve changed..•• Tacho Tacho sensor drowned by salt water. sensor drowned by salt water.

Service Service ExperienceExperience

2002.05.05 (2440/PCS)

•• After 4000 hours in service all moving mechanical parts in the After 4000 hours in service all moving mechanical parts in the hydraulic system showed excellent surfaces. hydraulic system showed excellent surfaces. •• After 4000 hours in service two places with pitting was found on After 4000 hours in service two places with pitting was found on top of the distribution block below the fuel pump actuator piston top of the distribution block below the fuel pump actuator piston house. This design will be modified. house. This design will be modified.

Rotating Force CompensatorRotating Force Compensator

RotCompRotComp

ME Compensators ConceptME Compensators Concept

2002.05.24 (2440/PCS)

Linear Force CompensatorLinear Force Compensator

LinCompLinComp

Steering gear room

Prototype andPrototype and Model of Model of RotCompRotComp

2002.05.24 (2440/PCS)

Alpha Lubricator System

L/74177-3.0/0402 (2200/OZS)

Multi PurposeController


Cylinder oilservice tank

Lube oil pipes

Electricalconnections

Multi PurposeController


Cylinderliner

Cylinderliner

Lubr

icat

or

Lubr

icat

or

200 barsystem oil

To othercylinders

Solenoidvalve

Feedbacksensor

Feedbacksensor

Solenoidvalve

Feedbacksensor

Lubr

icat

or

Lubr

icat

or

(2600/KNB)

Alpha Lubricator System

1 * 7S50ME-C Odfjell 37.000 dwt Chemical Carrier Alpha Diesel2 + 2 * 7S60ME-C Stena 316.000 dwt Crud Oil Tanker HHI2 * 6S60ME-C Viken Aframax Tanker HSD2 + (1) * 6S70ME-C Viken 150.000 dwt Suezmax Tanker HSD

Orders

2 + 2 * 5S80ME-C Stena Tanker HHI6S70ME-C Stena Tanker HHI

2 * 7K98ME-C* Wulff Container HSD/Gdynia2 * 6S50ME-C ? P.C. Hitachi

Projects

1 * 7S60ME-C* Norgas Carriers Tanker Kina/Korea1 * 5S60ME-C* Andromeda Tanker Korea

Total 9 + (1) covering ME engine bore range from 50 to 70 bore

1 * 6S70ME-C* ALPHA Tanker Tanker Korea 6S60ME-C Japan 7S50ME-C Japan

Orders and Projects for ME EnginesOrders and Projects for ME Engines

2002.08.16 (2440/PCS) * Originally MC-C

MAN B&W Diesel A/SMAN B&W Diesel A/S

2002.05.24 (2440/PCS)

fuel injection characteristics can be optimised at a large number of loadfuel injection characteristics can be optimised at a large number of load conditions conditions

Reduced fuel consumption:Reduced fuel consumption:

constant constant ppmax max in the upper load range can be achieved by a combination of fuelin the upper load range can be achieved by a combination of fuelinjection timing and variation of the compression ratio (the latter by variation of theinjection timing and variation of the compression ratio (the latter by variation of theclosing of the exhaust valve). Due to this, the max. pressure can be kept constantclosing of the exhaust valve). Due to this, the max. pressure can be kept constantover a wider load range without overloading the engine, leading to SFOCover a wider load range without overloading the engine, leading to SFOCreductions at part loadreductions at part loadon-line monitoring of the cylinder process on-line monitoring of the cylinder process can can ensures that the load distributionensures that the load distributionamong the cylinders and the individual cylinderamong the cylinders and the individual cylinder’’s firing pressure can be kept up tos firing pressure can be kept up to‘‘as newas new’’ standard, maintaining the standard, maintaining the ‘‘as newas new’’ performance over the lifetime of the performance over the lifetime of theengineengine

1 of 3

the enginethe engine’’s crash stop and reverse running performance can be improveds crash stop and reverse running performance can be improvedbecause the timing of exhaust valves and fuel injection can be optimal for thesebecause the timing of exhaust valves and fuel injection can be optimal for thesesituations toosituations too

Operational safety and flexibility:Operational safety and flexibility:

‘‘engine brakingengine braking’’ may be obtained, reducing the stopping distance of the vessel may be obtained, reducing the stopping distance of the vessel

Advantages of the ME EngineAdvantages of the ME Engine

faster acceleration of the engine because the scavenge air pressure can befaster acceleration of the engine because the scavenge air pressure can beincreased faster than normal by opening the exhaust valve earlier duringincreased faster than normal by opening the exhaust valve earlier duringaccelerationaccelerationdead slow running, slow steaming, is improved significantly: the minimum RPM isdead slow running, slow steaming, is improved significantly: the minimum RPM issignificantly lower than for a conventional engine, dead slow running is much moresignificantly lower than for a conventional engine, dead slow running is much moreregular and combustion is improved due to the electronic control of fuel injection.regular and combustion is improved due to the electronic control of fuel injection.Minimum RPM of 12 rpm has been measured for a 6L60MC engine in serviceMinimum RPM of 12 rpm has been measured for a 6L60MC engine in service

the engine control system includes our on-line OPS-feature: Overload Protectionthe engine control system includes our on-line OPS-feature: Overload ProtectionSystem, which ensures that the engine complies with the load-diagram and is notSystem, which ensures that the engine complies with the load-diagram and is notoverloaded (as is often seen in shallow waters and with overloaded (as is often seen in shallow waters and with ‘‘heavy propellerheavy propeller’’operation)operation)

Operational safety and flexibility - continued:Operational safety and flexibility - continued:

2 of 3


the engine can change over to different the engine can change over to different ‘‘low emission modeslow emission modes’’ where its where its NONOxxexhaust emission can be reduced below the IMO limits if desirable due to exhaust emission can be reduced below the IMO limits if desirable due to ‘‘locallocal’’emission regulations. Thus the vessels may sail with lower exhaust gas emissionemission regulations. Thus the vessels may sail with lower exhaust gas emissionwithin the within the ‘‘special areasspecial areas’’ where this may be required (or be feasible due to special where this may be required (or be feasible due to specialharbour fee schemes) without having negative effects on SFOC outside suchharbour fee schemes) without having negative effects on SFOC outside suchspecial areasspecial areas

Flexibility regarding exhaust gas emissions:Flexibility regarding exhaust gas emissions:

mode for smokeless slow steaming can be made availablemode for smokeless slow steaming can be made available

adaptation to different fuelsadaptation to different fuels

Others:Others:

less weight: approximate 3 tons per cylinder for a 60-bore engineless weight: approximate 3 tons per cylinder for a 60-bore engine

adaptation to different operation modeadaptation to different operation modecomputer controlled cylinder lubricator with intermittent lubrication, enables acomputer controlled cylinder lubricator with intermittent lubrication, enables areduction in lube oil dosage.reduction in lube oil dosage.

3 of 3


Montageramme til sensorbeslag

Montering af segmenter

Triggersegment

Placering af sensorboxe

7S50ME-C High Pressure Pipe

L/73145-6.0/0802 (2220/TOV)

High Pressure pipe from accumulator

block to hydraulic cylinder units.

S50ME-C Main outer parts

• Gearbox……………………….• Hydraulic pumps……………..• Inspection covers…………….• Base between gearbox and

bedplate……………………….

(2200/OZS)


Hydraulic ExhaustActuator (ELVA)

Cover for return oil pipe

Return oil stand pipe

ELFI valve

ELVA valve

Plug valve


Fuel Pump (ELFI)

Connecting flange

Hydraulic accumulator

(2600/KNB)


(2600/KNB)

Hydraulic Power Supply withintegrated 2. Order MommentCompensator.

Chaindrive from Crankshaft to step-up gear.

Chaindrive is adjusted by means ofa guideway arrangement.

The guideway arrangement as wellas the tensioning of the chain iscarried-out by means of hydraulicjacks.


(2600/KNB)

Accumulator bloc

Filter station

Main pipe for lub. oil

Hydraulic pumps

Step-up gear

2. Order Moment Compensator shaft

Tightening of Guideway arrangement

Turning wheel

Crankshaft


(2600/KNB)


(2600/KNB)

Hydraulic Cylinder Unit – Distributor Block.

Exhaust Valve Actuatorhigh pressure supplyFuel Pump

high pressure supply

Main Hydraulic Pressure


(2600/KNB)

S70ME-CWeigth: 777kg

S60ME-CWeigth: 555kg

Distributor Block Comparison – S70 vs. S60ME-C


(2600/KNB)

Cylinder Frame forS70ME-C withoutintegrated housing forcamshaft.


S50ME-C Fuel pump ELFI

Suction valve

Fuel oil inlet

Feed-back sensor

Distributor Block

2200/OZS/20020813

Bores in Distributor Block

2200/OZS/20020813

Bores in Distributor Block.

2200/OZS/20020813


Oil cylinder – top piece (KPF)

Piston – step 2 (SNitr)(2 test pistons – tenifer) (S34Cr1)

Oil cylinder – middle piece (KP)

Piston – step 1 (SNitr)

Minimess (x2)

Kantseal

Oil cylinder – bottom piece (SNitr)

Kantseal (x2)


Mounting on distributor block.

marine main engine

Documents

control consoleengine

engine control system2002

engine control systemplus

driven h

fuel cams

pump gear drivepumps

starting air distributorengine

pcsmc enginemc engine