1.5L l as the unit, indicating l; 1.5T means adding turbocharging on the basis of 1.5 naturally aspirated engine. Under the same conditions, the performance is equivalent to 1.8, while the fuel consumption is similar to 1.6.
Turbocharging is a technology that uses the exhaust gas generated by the operation of internal combustion engine to drive the air compressor.
Who is the inventor of turbocharger? It is recognized that the Swiss engineer Bisch applied for this patent in 1905, which was mainly used for aircraft engines and tank engines at that time. It was not until 196 1 that General Motors of the United States installed a turbocharger on a certain model it produced. The 1970s became the turning point of the turbocharger, and Porsche 965438+ was equipped with a supercharged engine.
However, SAAB Sic Bo in Sweden is the only company that has updated its turbocharging technology. 1977 Saab 99, which went on the market, spread the turbocharger technology more widely, but at that time the turbocharger was only assembled on the gasoline engine of the car. It was not until the mid-1980s that truck manufacturers in Europe and America applied the turbocharger technology to their diesel engines, and it was not until the recent 10 that domestic cars gradually popularized the models with turbochargers.
Turbocharged engine is an engine that relies on the turbocharger turbine to increase the air intake of the engine. The turbocharger is actually an air compressor.
It uses the exhaust gas from the engine as the power to drive the turbine in the turbine room (located in the exhaust pipe), and the turbine drives the coaxial impeller (located in the intake pipe) to compress the fresh air sent by the air cleaner pipeline and send it to the cylinder. When the engine speed is increased, the exhaust speed and turbine speed are also accelerated synchronously, the degree of air compression is increased, and the air intake of the engine is also increased accordingly, which can increase the output power of the engine.