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1、N52 Engine. Welcome Magnesium Aluminium laminated crank case VALVETRONIC II Volume controlled oil pump Electric coolant pump 3 Step DISA. N52 Engine. Topics. Magnesium (Mg) Aluminium (AL) Laminated crank case. Mg AL laminated crank case. Insert (Al) and Outer Cast (Mg). Mg AL laminated crank case. S
2、teel Inlays in the Bedplate. Mg AL laminated crank case. Corrosion. Mg AL laminated crank case. Gasket. Mg AL laminated crank case. Screw connection. Mg AL laminated crank case. Screw connection. VALVETRONIC II. System. VALVETRONIC II. Chart. VALVETRONIC II Variable valve train VALVETRONIC II. Phasi
3、ng. Valve travel mm 90180 270360450540630 Crank angle KW 10 9 8 7 6 5 4 3 2 1 0 Exhaust Intake valve 1 Exhaust valve 2 VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3
4、 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel
5、mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake va
6、lve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve 2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Valve travel mm Exhaust Intake valve 1 Exhaust valve
7、2 90180 270360450540630 Crank angle KW VALVETRONIC II. Phasing. 10 9 8 7 6 5 4 3 2 1 0 Exhaust Intake valve 1 Exhaust valve 2 Valve travel mm 90180 270360450540630 Crank angle KW VALVETRONIC II. VANOS. 10 9 8 7 6 5 4 3 2 1 0 90180 270360450540630 Crank angle KW Exhaust Intake valve 1 Exhaust valve 2
8、 Valve travel mm VALVETRONIC II. VANOS. 10 9 8 7 6 5 4 3 2 1 0 VALVETRONIC II. VANOS. 90180 270360450540630 Crank angle KW Exhaust Intake valve 1 Exhaust valve 2 Valve travel mm Oil Circuit. Consumer. Oil Circuit. Volume controlled Oil pump. Oil Circuit. Volume controlled Oil pump. Thermal Managemen
9、t. Cooling Circuit. Thermal Management. Electric Coolant Pump. Thermal Management. Operating Modes. 15 8 5 5 9797 75 90 0 20 40 60 80 100 120 EcoNormalHighHigh+KFT Temperature C T_Mot (Controlled via EWP) T_in (regulated via KFT) 95* 80* 112 105 Reduction of Volume stream EWP Increase of Volume stream EWP, Together with KFT Maximum current on KFT * Depending on Outside Temperature 3 Step DISA. Engine Speed/Torque. 3 Step DISA. Step. 3 Step DISA. Step 2. 3 Step DISA. Step 3. Thank you for your attention.
