大众新宝来R5发动机技术培训课件

1、R5 ENGINE,Objetive:,Participants will know R5 engine technology,Mechanical engine technology: Cylinder block, crankcase Cylinder head Crankcase vent Secondary air system,Fuel injection system technology Summary diagram Didactic diagram Practices Final exam,Content,Disposition:5 cylinders in line Dis

2、placement:2480 ml. (Aprox. 2.5 Liters.) Unitary displacement:496 ml. Output :107kW. 110 kW. / 5,000 rpm Torque :231Nm. 228 Nm. / 4,000 rpm Compression :10 : 1 Firing order:1 - 2 - 4 - 5 - 3 Assembly position: 12 back Exhaust emissions norms : SULEV BGQ ULEV 2 , TIER 2 BGP Transmissions:MQ250-5F AQ25

3、0-6F,Technical data,Torque Output graphic,Thermostat,Secondary air pump,Air filter,Oil filter,Hybrid carter,Front view, intake manifold side,G70 Mass air flow sensor,Hole to unscrew converter,G28 RPM sensor,Vacuum pump,Secondary air pump,Left view, transmission side,Damper,Right view, damper side,N1

4、12 valve,Hot air supply,Back view, exhaust manifold side,G70 Mass air sensor,Upper view,Fluid honing Honing is achieved applying high preasure water so that we get a better lubrication during work (oil pearls effect),Cylinder block,4 gravity return oil ducts,Ducts below oil level,Oil ducts,Synthetic

5、 oil,Vacuum pump,Tensioner 2,Toothed wheel,Itll be covered with the cylinder head,To N205,To cylinder head,Principal duct,Secondary duct,Cylinder block,Oil to filter,Unfiltered oil,Vent,Coolant,Filtered and unfiltered oil together,To cylinder head,To N205,Main duct,Secondary duct,Itll be covered wit

6、h the cylinder head,Cylinder block,Oil ducts,To filter,Main duct,Unfiltered oil to the main duct crankshaft and ejectors,Cylinder block,Oil ducts,To lifters and intake Exhaust camshafts,To N205,To toothed wheel,To vacuum pump,To chain tensioner,Main duct,Secondary duct,Oil ducts,Cylinder block,Air a

7、nd coolant ducts,Coolant to oil radiator,Vent,Crankcase vent ducts,covers,Coolant pump,Coolant chambers,Cylinder block,Vacuum pump,N205,Toothed wheel,crankshaft,Ejectors,Chain tensioner,To cylinder head,Cylinder block,Crankcase vent ducts,Oil ducts,Coolant ducts,Cylinder block,Oil ejectors,Crankshaf

8、t tops,Cylinder block,5 oil ejectors,4 oil ducts,3 vent ducts,Oil pump base,Crankshaft tops,Cylinder block,Distribution toothed wheel, synchronized with piston 5 top dead center,Crankshaft,Cracked rod,I Transversal section,Connecting rod,Grooves for intake valves.,Oil holes,Graphite inserts,There ar

9、e no grooves for exhaust valves because their heads have a smaller diameter,Piston,Openning pressure: PRegulada = 3,5 +0,7 bar PLimitada = 11 +2/-1 bar Transmission radio (engine / pump): 1 = 0,96,Regulator valve,Preasure Limiter valve,Impulsed oil 14.0 ml./gear cycle,Oil pump,Hybrid carter concept

10、Engine block crankcase structural component Seawall integration Gravity return oil ducts integration Lower and middle part silica seal Middle and upper part silica seal,Screw pulg,Oil ducts,Hybrid crnkcase,Steel plate design Engine-retainer sylicon seal,Front crankshaft oil retainer,Hall sender scre

11、en,Exhaust camshaft,Intake camshaft,Bolts,Coolant tube,Exhaust valves,bolts,N205 valve,Intake valves,Roller rocker fingers and lifters,Valve spring Valve spring plate Valve keepers,Overhead,Design trait: Material: GK-AlSi10Mg (DIN 1725) VWM smelting,Cylinder head,Secundary air ducts,Oil filter,check

12、 valve for N205,Tensioner 1,Cylinder head,N205,Check valve,Oil filter,Lifters,Cam bases,Over head,Lubrucation ducts,Secundary chanel,Tensioner body,N205 valve,Fins variator,Chain tensioner,Over head,Lubrucation ducts,Camshaft essambly Intake camshaft whit position wheel Whith bolt holes to attach th

13、e overhead,Intake,Exaust,Camshaft,4 ways, 3 positions,Pressure chambe A,Pressure chamber B,Pump flow,Variable distribution (N205 valve),Maximun adjustment accuracy: 42 turn crankshaft(21 turn camshafth) Camshaft continous adjustment,Advance camber,Retard chaber,Fins variator,Crankcase,Oil separator,

14、Oil module,Intake manifold,Performance principle:,Air filter,G70,Check valve,Fumes vent,Regulation valve,Oil return Below mirror,Crankcase vent,Oil separator,Oil module,Performance principle in full power and parcial load,Valve regulation,Crankcase positive vent,Oil separator,Mdulo de aceite,Check v

15、alve,Regulation valve,Condense oil to the crankcase,Idling performance principle,Crankcase negative vent,1.- Primary oil stabilization and Separation chamber,Vent intakes,Condense oil return valve,2.-Delicate oil separation in the cyclone,Overhead cover,2.- Delicate oil separation in the cyclone,blo

16、w-by fumes free of oil,Bypass valve for high blow-by fumes flow,blow-by fumes with oil,Oil return,Overhead cover,First open: 80 0,2C Full open: 95C,To the water pump,Coolant from the overhead,Coolant from the radiator,Coolant from the oil radiator,Thermostat housing,. Filtracin del aceite Enfriamien

17、to del aceite Ventilacin de gases blow-by (PCV) Conmutador de presin,Oil module,Durability Oil pump activation Vacuum pump activation Intermediate cog wheel,Intake camshaft,Exaust camshaft,Vacuum pump,Oil pump,Crankshaft,Distribution,Crankshaft rear seal and chain sistem Vcuum pump assembly RPM sens

18、or and transfer gear assembly Sealing compound between the cover and the engine,Rear crankshaft,Overhead and chain sistem rear seal Bridle assembly Oil cap assembly Cap and engine sealing compound,Cap (filler cap),Hall efect sensor Magnetizing gear More precise than the current concept,30 positive p

19、olarizations and30 negative intersperse minus 2,The minus two signal reaches the engine ECU when the number five piston is in BDC or when it is going to begin the compression,Impulse gear (G28),Mechanical vacuumj pump for the brake system Intermediate cog wheel activation,Vacuum pump,Exhaust manifol

20、d whit isolated air flow Lambda probe assembly,Exhuast manifold,Hot air intake (to the air filter),Protective plate,plastic manifold Fuel regulator pressure, AKF valve and throttle valv assembly,Intake manifold,Porqu la estrella generatrz del G40 sigue teniendo 4 muescas ventanas si el motor es de 5

21、 cilindros? Qu ventaja se tiene con la ventilacin negativa del carter si solo se logra en ralenti? La mayor parte del tiempo el motor funciona en cargas parciales, durante las cuales se vuelve ventilacin positiva. Qu ventaja se tiene con la seal del G28 que ahora llega a 180 APMS y en el Modelo previo llegaba a 90APMS.? Porqu abre el termostato a 80C y