:

SIP

Swirl Injection Principle ()

SIP

:

Camshaft Driving chain casing

()

:

1.:0.2MPa

2.

3.

4.

swirl injection port.

ALPHA LUBRICATOR SYSTEM

ALPHA

:

1. Pump station 40-50 bar Alpha Lubricator

2. MCU Lubricator

3. lubricator

(feedback signal) (LED )

4. angle encoder (No.1

TDC ) Alpha

Lubricator System

5. injection

frequency (specified feed rate)

6. (fuel index) (speed) Injection

frequency (MEP)

power mode RPM mode

7. injection frequency / rpm lubricator stroke MCR (100%) (basic cylinder oil feed rate 0.8 g/BHPh)

8. MHI panel60%200%100%

9. MCU (Master Control Unit) MHI panel

10. MCUBCU (Backup Control Unit) (Auto)MHI panel BCU

11. BCURPM modetimingBCU injection frequencybasic cylinder oil feed rate 50% (150%)

Alpha lubricator system

ALPHA

1.

Pump station and starter panels

tankPump station starter panel 2 NFBTank 40-6070

Lubricator Unit

lubricator unit2 lubricator (98-70 2 1 )lubricator 25-30 bar accumulator1.5 bar accumulator

lubricator 3-6 lubricating piston (ITAL LAGUNA 10

lubricating quilllubricator 5 )1 feed back pickup 1

Alpha Lubricator Control Unit (ALCU)

(1) MCU (Master Control Unit)

(2) BCU (Backup Control Unit)

(3) SBU (Switch Board Unit)

DC 24V UPS NFBUPS Uninterrupted Power Supply ()

30

Load transmitter

Load transmitter fuel rack fuel index % MCUMCU load transmitter rpm engine load

Trigger system (Shaft encoder)

Shaft encoder (Angle

encoder) crankshaft (No.1 TDC)terminal box computer panelengine crankshaft angle encodertrigger ring tacho pickupscrankshaft Angle encoderterminal box

Backup trigger system

Backup trigger

system 2 tacho pickuprpm BCUrpm MCUpickup 2

Human Machine Interface (HMI) panel

HMI panel () booster pumppre-lubricationHMI 3 bar graphEngine speedIndex Oil pressure

Engine speed Index bar graph fuel index ( mep%) 0120%100% MCR

Oil pressure bar graph0 ~ 100 bar

Alpha lubricator system

ALPHA

2.

Booster pump Unit

Lubricator Unit

Alpha Lubricator Control Unit(ALCU)

Load transmitter

angle encoder

backup trigger system

non-return valve

Human Machine Interface (HMI) panel

angle encoder (270~310 )ALCU MCU (Master Control Unit) Lubricator unit booster pump

Lubricator unitlubricator unit1 accumulator 2 lubricator2 2 accumulator

booster pump 45 bar lubricator unit actuator pistonActuator piston plunger25 bar plunger

(A & B) (1)lubricator unit feed back sensor (feed back sensor proximity switchlubricator piston)feed back indicator MCR 4

lubricator accumulatoraccumulator 5 injection nozzle with non-return valve5

A 5 1~5B 5 6~1010 1-6-2-7-3-8-4-9-5-105 Injection nozzle with non-return valve non-return valve injection nozzle with non-return valve A & B

Alpha lubricator system MCR (100% load 100% rpm) 0.80g/BHPhbasic feed rateHMI panel F.rAtE100 (%)100 Alpha ACC F.rAtE100100100 MCR 0.8

Master Control Unit Lubricator No.1 (270~310 25 bar MCU BCU (BackupControl Unit) BCU rpm random timingNo.1

Alpha lubricator system Alpha Adaptive Cylinder oil Control (Alpha ACC)

MCR load basic cylinder oil feed rate 0.8 g/BHPh0.6 g/BHPh

Part-load control mean cylinder pressure 25% load engine speed

Alpha ACC -lubricator systemAlpha ACCAlpha&ACC Adaptive Cylinder oil dosage Control

maker Alpha ACCAlpha ACC

3.2% 100%basic cylinder oil feedrate 0.8 g/BHPh3.2%0.5 g/BHPh,Alpha ACC -lubricator = 0.25 g/BHPh x S %

3.2% HMI setting 100 (

0.80 g/BHPh)2.8%F.rAtE100 88

(0.70 g/BHPh)

rpm pickupfuel index MCUloadLoad ()load 0.80g/BHPh (-lubricator F.rAtE100% )-lubricator F.rAtE125%0.80 x 125% = 1.00

1Alpha lubricator system MCR (100% load 100% rpm) 0.8 g/BHPhrpmfuel index A & B rpm load -lubricator 0.80 g/BHPh

2Alpha Lubricator System HMI panel rE.inj

(3~6)maker 44 Basic feed rate rpm fuel index MCR 0.80g/BHPhrE.injA & BA B (5 )rE.inj = 4MCR (104.0 rpm x 55890ps)A & B 44 MCR

1. MCR -lubricator 100% (0.80)

Rev./Inj = 4

(1) 1 A 5

(2) 2 B 5

(3) 3 & 4 A & B

(4) 4 (1) ~ (3)