Copyright by Hyundai Motor Company. All rights reserved. U-II Engine. - презентация

1 Copyright by Hyundai Motor Company. All rights reserved. U-II Engine

2 2 Application : A/T, M/T : M/T ONLY Engine TransmissionArea M/TA/TEuropeGeneralIndia Gasoline Kappa 1.2L (1,197cc) M5EF2- -- Kappa 1.25L (1,248cc) - Gamma 1.4 M5CF1-1A4CF1 - Gamma Diesel U 1.4 M5CF U-II 1.6 M6CF

3 3 U-II Engine U engine ContentsU1U2 Displacement1,396 (L)1,396 (H)1,582 (L)1,582 (H) Bore × Stroke( ) 75 X X 84.5 Max. Power (ps/rpm) 75 / 4,00090 / 4, / 4, /4,000 Max. Torque (kgf.m) TurbochargerWGTVGT Emission System Electrical EGR + EGR Cooler + WCC Electrical EGR + EGR Cooler + CPF U-II Feature Applied VGT Expanded EGR cooler Swirl Control Valve Timing Chain Electrical Throttle Flap Serpentine belt Lambda Sensor CPF Inlet Control type

4 4 U-II Engine Electrical E.G.R Throttle flap VGT Timing chain Serpentine belt SCV (Swirl Control Valve) DOC (Diesel Oxidation Catalyst) 4 valve DOHC HLA λ sensor E.G.R cooler Overview Eco type Oil filter

5 5 U-II Engine Timing System DOHC 4 Valve VALVE operating type: - END PIVOT ROLLER SWING ARM CAM operating type : 2 Chains Hollow camshaft HLA is applied Hydraulic type auto-tensioner

6 6 U-II Engine Intake / Exhaust manifold VGT SCV (Swirl Control Valve) Electrical EGR VALVE WCC (Warm-up Catalytic Converter) EGR COOLER High Speed Low Speed Swirl Control Valve

7 7 U-II Engine With A/CWithout A/C Appearance RemarkP/S pump is not applied because of MDPS Serpentine Belt

8 8 U-II Engine ItemsPerformanceDurabilityInterchangeableRemark Cylinder Block × Reinforced rigidity of exhaust side Cylinder Head × Improved cooling performance Piston × Offset Piston pin × Reinforced rigidity Injector × Enlarged hole size (0.124) HP Pump × Normal Closed type Common Rail × Removed rail pressure valve Water pump pulley × Changed ratio of pulley CPF × Added newly ACV × Electrical type Exhaust Manifold × Changed shape Air Heater × Added newly (M/T only) Changed items

9 9 U-II Engine Changed item – Cylinder Head U 1U 2 Exhaust Port Water Pump Pulley Φ26 Φ30 Φ Φ110

10 10 U-II Engine Fuel Pressure Valve Fuel System U2 ItemDescription High Pressure Pump Max. Pressure1,600 bar ModelCP1H Injector ModelIQA (Injection Quantity Adjustment) Injection3~5 times Max. Pressure1,600 bar Min. amount of injection1.0 mm3/st Min. gap of injection0.8 ms Pressure controlInlet control type IQA Injector (U2)

11 11 U-II Engine CPF Differential Pressure sensor Exhaust gas temperature sensor CPF Common Rail CPF Overview -Increased area of ash stored (entrance channel > exit channel) : Increased life time Main function - Convert CO & HC - secure temperature of filter regeneration Main function - Store PM and regeneration - Reduce temperature of emission gas. Control oxygen density DOC CPF Lambda Sensor

12 12 U-II Engine Regeneration Burning by unburned HC + TC EGR ECU AFSACV Increased EX. Gas temp. Increased EX. Gas temp. POST 1 PILOT 2 PILOT 1MAINPOST 2 NOItemsConditionRemarks 1Differential Pressure Sensor Differential pressure : Over 20 ~ 30KPa After satisfying No 4,5,6,7,8,9, satisfy 1or 2 or 3 2Driving DistanceOver 1000Km 3Engine running timeOver 26 hours 4Engine RPM1000 ~ 4000RPM 5Engine loadOver BMEP 0.7bar 6Fuel injectionOver 8mg/st 7Vehicle SppedOver 5km/h 8ECT Over 40 9Brake S/WON Regeneration condition * BMEP : Brake Mean Effective Pressure