engine is the heart of the car, today’s automotive engine technology advances, many manufacturers have their own unique technologies such as variable valve timing, variable cylinder, stratified combustion, these technologies can achieve to enhance engine performance purpose.
1. The term engine technology unique interpretation
engine is the heart of the car, today’s automotive engine technology advances, many manufacturers have their own unique technologies such as variable valve timing, variable cylinder, stratified combustion, these techniques can achieve the purpose of enhancing the performance of the engine.
2. Engine three genre
Two important factors affecting the efficiency of the gasoline engine with one gas, the second is oil. Despite supercharged engine, the hybrid does not say, and now the mainstream auto makers broadly divided into three factions:
● First, Japanese and Korean cars and domestic brands led VVT-i, VTEC, VVT technology just a different name for nothing, but the basic principle is by changing the amount of intake air and the valve lift to optimize power output and fuel consumption;
● Second, German cars as the representative of Volkswagen . In the past two years has been the promotion of FSI technology, they will fuel the desired concentration is injected directly into the cylinder, and then through the stratified combustion, in order to achieve the best efficiency of the engine;
● Third, is the American Pie . Once in a large displacement, high fuel consumption proud American cars, in today’s increasingly tense energy also had to make some compromises, and then close the portion of the cylinder became their unique Cheats.
3 main engine several unique technology
1, VVT (Variable Valve Timing) -. The variable valve timing, there is a common type of VVT-i, VTEC, CVVT etc. .
● VVT-i: VVT-i system is the abbreviation of Toyota’s intelligent variable valve timing system.
Highlights: increase the torque in all speed ranges, improved fuel economy.
on behalf of models: Corolla, Camry, Reiz and so on.
● VTEC: Honda is developing advanced engine technology, is the world’s first simultaneous control valve opening and closing times and different circumstances valve lift two control systems .
Highlights: changing the intake air amount and displacement, increase power, decrease fuel consumption.
Representative models: Fit, Accord, CR-V, Platinum Core like.
● CVVT: a camshaft changes by the electro-hydraulic control system of the intake valve is opened sooner or later, so that the desired control valve overlap angle.
Highlights: keep control opening and closing of valves, lifting power, lower fuel consumption
on behalf of models: modern i30, Yuet, Genesis
2,48V light mixing system, the core member comprises a 48V battery, 48V starter motor / generator, a 48V / 12V (DC / DC) voltage of the inverter, and the corresponding the control module.
4.48V electrical system
48V light mixing system, the core member comprises a 48V battery 48V starter motor / generator, a 48V / 12V (DC / DC) voltage of the inverter, and the corresponding control module. 4 batteries for the electrical work of the car, start-stop system works, kinetic energy recovery work and so on. With 48V battery, the engine may have more downtime. High-power motor can be driven from air conditioning compressor to further reduce fuel consumption caused by idling the engine and reduce emissions. Basic Characteristics
5.FSI the
FSI (Fuel Stratified Injection) – stratified fuel injection technology, is based on the GDI (cylinder the direct injection engine) is a technique.
Highlights: significantly higher than the same level of engine power, fuel consumption can be reduced by about 15 percentage.
on behalf of models: the new Golf, Magotan, Skoda Octavia and so on. Basic Characteristics
6.MDS of
MDS (Multi-Displacement System), for the HEMI Chrysler tailored multistage variable displacement control system.
Highlights: if necessary, so that an engine is running, the other seating.
on behalf of models: 300C5.7L, commander 5.7L, Honda Accord 3.5L.